| HITACHI METALS, LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120125155 | METHOD AND DEVICE FOR RECOVERING HYDROGEN PULVERIZED POWDER OF RAW-MATERIAL ALLOY FOR RARE-EARTH MAGNET - A method and a device for recovering hydrogen pulverized powder of a raw-material alloy for rare-earth magnets capable of lowering a possibility that hydrogen pulverized powder after hydrogen was pulverized remains in a recovery chamber and capable of enhancing magnetic properties by reducing an amount of oxygen of an obtained rare-earth magnet, a processing container | 05-24-2012 |
| 20120114964 | COATED-SURFACE SLIDING PART HAVING EXCELLENT COATING ADHESION AND METHOD FOR PRODUCING THE SAME - Provided is a coated-surface sliding part having excellent adhesion of a hard coating, and a method for producing the same part. The coated-surface sliding part is a sliding part wherein a hard coating is formed by physical deposition on the surface of a base material formed from, by mass percent, C 0.5 to 0.8%, Si 0.1 to 1.5%, Mn 0.2 to 1.0%, Cr 8.0 to 13.5%, Mo and/or W 0.5 to 4.0% in terms of (Mo+ 1/2 W), and N 0.01 to 0.1%, with the remainder being Fe and impurities. The physically deposited coating is a titanium metal coating further covered by a diamond-like carbon coating. The method for producing a coated-surface part involves sputtering in order to apply the physically deposited coating, which consists of the titanium metal coating and then the diamond-like carbon coating which forms the surface layer, to the surface of the base material having the aforementioned composition. The base material is preferably subjected to argon gas bombardment prior to application of the physically deposited coating. | 05-10-2012 |
| 20120114844 | PROCESS FOR PRODUCTION OF R-Fe-B-BASED RARE EARTH SINTERED MAGNET, AND STEAM CONTROL MEMBER - A sintered R—Fe—B based rare-earth magnet body | 05-10-2012 |
| 20120112863 | PROCESS FOR PRODUCTION OF R-T-B BASED SINTERED MAGNETS AND R-T-B BASED SINTERED MAGNETS - A method for producing a sintered R-T-B based magnet includes the steps of: providing a sintered R-T-B based magnet body | 05-10-2012 |
| 20120112741 | METHOD FOR PRODUCING MAGNETORESISTIVE EFFECT ELEMENT, MAGNETIC SENSOR, ROTATION-ANGLE DETECTION DEVICE - To provide a method which can define the direction and orientation of magnetization of a pinned layer while reducing the number of steps of forming a GMR film. The magnetization direction of the pinned layer is defined in a plurality of directions by forming a plurality of patterns having directivities. Further, when the magneto-resistive effect film is formed, a magnetic field is applied in a direction at an angle set between the angles of the plurality of patterns. | 05-10-2012 |
| 20120105185 | METHOD FOR PRODUCING SINTERED FERRIT MAGNET, AND SINTERED FERRITE MAGNET - A sintered ferrite magnet comprising (a) a ferrite phase having a hexagonal M-type magnetoplumbite structure comprising Ca, an element R which is at least one of rare earth elements and indispensably includes La, an element A which is Ba and/or Sr, Fe, and Co as indispensable elements, the composition of metal elements of Ca, R, A, Fe and Co being represented by the general formula of Ca | 05-03-2012 |
| 20120088153 | METHOD FOR PRODUCING ALUMINUM FOIL - An object of the present invention is to provide a method for producing a high-ductility, high-purity aluminum foil at a high film formation rate by electrolysis using a plating solution having a low chlorine concentration. A method for producing an aluminum foil of the present invention as a means for achieving the object is characterized in that an aluminum film is formed on a surface of a substrate by electrolysis using a plating solution at least containing (1) a dialkyl sulfone, (2) an aluminum halide, and (3) at least one nitrogen-containing compound selected from the group consisting of an ammonium halide, a hydrogen halide salt of a primary amine, a hydrogen halide salt of a secondary amine, a hydrogen halide salt of a tertiary amine, and a quaternary ammonium salt represented by a general formula: R | 04-12-2012 |
| 20120086619 | RESONANCE-TYPE, RECEIVING ANTENNA AND RECEIVING APPARATUS - A resonance-type, receiving antenna comprising a circular-ring-shaped, magnetic core constituting a closed magnetic path having one gap, one or more coils wound around the circular-ring-shaped, magnetic core, and a capacitor connected in parallel to both ends of each coil; an angle between a straight line extending from a geographical center of the circular-ring-shaped, magnetic core to a center of the gap and a straight line extending from the geographical center to a center of the coil being in a range of 10° to 90°. | 04-12-2012 |
| 20120070578 | METHOD FOR PRODUCING TITANIUM METAL - Disclosed is a method for producing titanium metal, which comprises: (a) a step in which a mixed gas is formed by supplying titanium tetrachloride and magnesium into a mixing space that is held at an absolute pressure of 50-500 kPa and at a temperature not less than 1700° C.; (b) a step in which the mixed gas is introduced into a deposition space; (c) a step in which titanium metal is deposited and grown on a substrate for deposition; and (d) a step in which the mixed gas after the step (c) is discharged. In this connection, the deposition space has an absolute pressure of 50-500 kPa, the substrate for deposition is arranged in the deposition space, and at least a part of the substrate for deposition is held within the temperature range of 715-1500° C. | 03-22-2012 |
| 20120068454 | PIPE JOINT - A pipe joint comprising a pressing nut into which a flexible pipe is inserted, a joint body into which the pressing nut is partially inserted, a resilient means unlocked when pushed by a tip end of the flexible pipe, a sealing member, a retainer engaging the flexible pipe, and an engaging mechanism keeping the pressing nut at a predetermined position in the joint body; the engaging mechanism comprising a stop ring, an annular groove formed on an outer surface of the pressing nut for receiving the stop ring, pluralities of engaging grooves formed on an inner surface of the joint body for receiving the stop ring and communicating with each other; the stop ring engaging both of the annular groove and the first engaging groove before the connection of the flexible pipe is completed; and when the flexible pipe is pulled after completing the connection, the stop ring moving from the first engaging groove to the second engaging groove to draw the pressing nut from the joint body, so that the normal connection of the flexible pipe can be confirmed. | 03-22-2012 |
| 20120062992 | MAGNETIC CIRCUIT FOR FARADAY ROTATOR AND METHOD OF MANUFACTURING MAGNETIC CIRCUIT FOR FARADAY ROTATOR - A magnetic circuit for a Faraday rotator capable of suppressing generation of irreversible demagnetization is provided. This magnetic circuit ( | 03-15-2012 |
| 20120062351 | Ferromagnetic amorphous alloy ribbon with reduced surface protrusions, method of casting and application thereof - A ferromagnetic amorphous alloy ribbon includes an alloy having a composition represented by Fe | 03-15-2012 |
| 20120038348 | ANGLE DETECTION APPARATUS AND POSITION DETECTION APPARATUS - An angle detection apparatus comprising a magnet rotor having a multi-pole segment magnet, and a magnetic sensor for detecting the direction of a magnetic flux generated from the multi-pole segment magnet; the multi-pole segment magnet having pluralities of magnetic poles along the rotation direction of the magnet rotor, the magnetic sensor comprising a magnetosensitive plane having pluralities of spin-valve, giant-magnetoresistive devices each having a pinned layer having a fixed magnetization direction and a free layer having a magnetization direction rotating in response to the magnetic flux direction; and the magnetic sensor being positioned relative to the magnet rotor, such that the magnetosensitive plane crosses the magnetic flux, with perpendicular magnetic flux density components having different amplitudes on the magnetosensitive plane. | 02-16-2012 |
| 20120034128 | AL-MG-SI-BASED, CASTING ALUMINUM ALLOY WITH EXCELLENT YIELD STRENGTH AND CAST MEMBER MADE THEREOF - A Al—Mg—Si-based, casting aluminum alloy comprising by mass 4-6% of Mg, 3.1-4.5% of Si, 0.5-1% of Mn, 0.1-0.3% of Cr, and 0.1-0.4% of Cu, the balance being Al and inevitable impurities. | 02-09-2012 |
| 20120032764 | ALLOY FOR SINTERED R-T-B-M MAGNET AND METHOD FOR PRODUCING SAME - In order to make a sintered R-T-B-M magnet so that R | 02-09-2012 |
| 20120031529 | MARAGING STEEL STRIP - Provided is a maraging steel strip which has such a composition that can reduce the content of TiN acting as the starting point of fatigue fracture in a high-cycle region, and the bending fatigue strength of which has been improved by the precipitation hardening effect yielded by precipitating coherent nitrides in the nitrided structure. A maraging steel strip produced by nitriding a managing steel which contains by mass, C: 0.01% or less, Si: 0.1% or less, Mn: 0.1% or less, P: 0.01% or less, S: 0.005% or less, Ni: 8.0 to 22.0%, Cr: 0.1 to 8.0%, Mo: 2.0 to 10.0%, Co: 2.0 to 20.0%, Ti: 0.1% or less, Al: 2.5% or less, N: 0.03% or less, and O: 0.005% or less, with the balance being Fe and unavoidable impurities, wherein Baker-Nutting orientation relationship with an orientation difference within 10° exists between the Cr nitride precipitated in the nitrided layer and the matrix martensite. | 02-09-2012 |
| 20120023879 | CERAMIC HONEYCOMB STRUCTURE AND ITS PRODUCTION METHOD - A ceramic honeycomb structure having a large number of flow paths defined by porous cell walls; said porous cell walls being composed of cordierite crystals, mullite crystals, corundum crystals and/or spinel crystals; the percentage of the X-ray diffraction intensity of the cordierite crystals being 72% or more and less than 85%, the percentage of the X-ray diffraction intensity of the mullite crystals being 15-25%, and the percentage of the total X-ray diffraction intensity of the corundum crystals and the spinel crystals being 5% or less, per the total X-ray diffraction intensity of these crystals; said porous cell walls having a true density of 2.55-2.70 g/cm | 02-02-2012 |
| 20120021221 | NANOCOMPOSITE BULK MAGNET AND PROCESS FOR PRODUCING SAME - In a nanocomposite bulk magnet according to the present invention, nanocomposite magnet powder particles, including an Nd | 01-26-2012 |
| 20120015198 | DIELECTRIC CERAMIC COMPOSITION, MULTILAYER DIELECTRIC SUBSTRATE, ELECTRONIC COMPONENT, AND METHOD FOR PRODUCING DIELECTRIC CERAMIC COMPOSITION - Disclosed is a dielectric ceramic composition which has high dielectric constant and suppressed low thermal expansion coefficient. Also disclosed are a multilayer dielectric substrate using the dielectric ceramic composition, and an electronic component. Specifically disclosed is a dielectric ceramic composition which contains an ATiO | 01-19-2012 |
| 20110293940 | COATED, FINE METAL PARTICLES AND THEIR PRODUCTION METHOD - A method for producing coated, fine metal particles each having a Ti oxide coating and a silicon oxide coating formed in this order on a metal core particle by mixing powder comprising TiC and TiN with oxide powder of a metal M meeting the relation of ΔG | 12-01-2011 |
| 20110284989 | SEMICONDUCTOR APPARATUS AND POWER SUPPLY CIRCUIT - A semiconductor apparatus comprising an integrated semiconductor circuit device having pluralities of electrode pads, pluralities of first external terminals connected to the electrode pads of the integrated semiconductor circuit device, an inductor disposed in a region surrounded by the first external terminals, and a resin portion sealing them, the integrated semiconductor circuit device being arranged on an upper surface of the inductor, and the inductor being exposed from a lower surface of the resin portion together with the first external terminals. | 11-24-2011 |
| 20110273254 | MAGNETIC FIELD GENERATOR - There is provided a magnetic field generator in which separation and dislocation of permanent magnets from their permanent magnet groups is prevented easily and reliably for a long period of time without sacrificing productivity. A magnetic field generator | 11-10-2011 |
| 20110273252 | CORROSION-RESISTANT MAGNET AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide an R—Fe—B based sintered magnet that exhibits excellent corrosion resistance and maintains excellent adhesion strength to an adherend even under severe conditions, and a method for producing the same. A corrosion-resistant magnet of the present invention as a means for achieving the object is characterized by comprising a chemical conversion film containing at least Zr, V, Al, fluorine, and oxygen as constituent elements and not containing phosphorus over a surface of an R—Fe—B based sintered magnet with a film made of Al or an alloy thereof therebetween. | 11-10-2011 |
| 20110272187 | SILICON NITRIDE SUBSTRATE MANUFACTURING METHOD, SILICON NITRIDE SUBSTRATE, SILICON NITRIDE CIRCUIT SUBSTRATE, AND SEMICONDUCTOR MODULE - Provided is a manufacturing method with which a high thermal conductivity silicon nitride substrate having excellent sintering performance can be manufactured without the occurrence of a molding crack or degreasing crack, as well as to provide a silicon nitride substrate, and a silicon nitride circuit board and a semiconductor module using said silicon nitride substrate. | 11-10-2011 |
| 20110272065 | SOFT MAGNETIC ALLOY RIBBON AND ITS PRODUCTION METHOD, AND MAGNETIC DEVICE HAVING SOFT MAGNETIC ALLOY RIBBON - A method for producing a soft magnetic alloy ribbon having a composition represented by Fe | 11-10-2011 |
| 20110262297 | METHOD FOR PRODUCING R-T-B SINTERED MAGNET - A method for producing a sintered R-T-B based magnet includes the steps of: providing R-T-B based alloy powders A and B so that the R-T-B based alloy powder B has a particle size D50 that is smaller by at least 1.0 μm than that of the R-T-B based alloy powder A and that there is a difference ΔRH of at least 4 mass % between the higher content of a heavy rare-earth element RH in the R-T-B based alloy powder B and the lower content of the heavy rare-earth element RH in the R-T-B based alloy powder A; mixing these two R-T-B based alloy powders A and B together; compacting the mixed R-T-B based alloy powder to obtain a compact with a predetermined shape; and sintering the compact. | 10-27-2011 |
| 20110260816 | R-Fe-B RARE-EARTH SINTERED MAGNET AND PROCESS FOR PRODUCING THE SAME - First, an R—Fe—B based rare-earth sintered magnet body including, as a main phase, crystal grains of an R | 10-27-2011 |
| 20110260806 | HIGH-FREQUENCY CIRCUIT, HIGH-FREQUENCY DEVICE, AND MULTIBAND COMMUNICATIONS APPARATUS - A high-frequency circuit for use in a multiband wireless apparatus for switching the connection between an antenna and transmission/reception circuits depending on signals for pluralities of communications systems, comprising a single-pole, multi-throw switch circuit comprising FET switch circuits between a common port connected to an antenna-side circuit and pluralities of single ports connected to the transmission/reception circuits, and a first matching circuit connected to the common port; the first matching circuit comprising a first inductance element connected in series to a signal path between the antenna and the common port, and a first capacitance element connected to the first inductance element on the antenna side and grounded; the first inductance element making the impedance of the single-pole, multi-throw switch circuit inductive when the single port is viewed from the antenna side; and the first capacitance element adjusting impedance matching between the antenna-side circuit and the transmission/reception circuits. | 10-27-2011 |
| 20110253543 | ALUMINUM ELECTROPLATING SOLUTION AND METHOD FOR FORMING ALUMINUM PLATING FILM - An object of the present invention is to provide an extended-life plating solution that allows an aluminum electroplating process to be performed stably for a long period of time, and also a method for forming an aluminum plating film using the same. An aluminum electroplating solution according to the present invention as a means for achieving the object is characterized by comprising 1.5 to 4.0 mol of an aluminum halide per 10.0 mol of dimethyl sulfone and, relative to the aluminum halide, ammonium chloride in a molar ratio of 1/15 to 1/4 or a tetraalkylammonium chloride in a molar ratio of 1/15 to 1/2. The plating solution has improved electrical conductivity and thus has a further advantage in that it allows the formation of a uniform aluminum plating film on a substrate to be plated even when the plating process is performed by a barrel method. | 10-20-2011 |
| 20110237078 | SiC SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a SiC substrate which has a first principal surface and a second principal surface, includes the step of removing, by a vapor phase etching process, at least a portion of a work-affected layer which is formed by mechanical flattening or cutting on the first principal surface of the SiC substrate. | 09-29-2011 |
| 20110210483 | MOLTEN METAL SUPPLY CYLINDER, MOLTEN METAL SUPPLY APPARATUS INCORPORATING SUCH A SUPPLY CYLINDER AND MOLTEN METAL SUPPLY METHOD - An object of the present invention is to provide a molten metal supply cylinder that has a simple configuration if compared with the configurations of the prior art and can suppress mixing of oxide that is produced on the surface of a low melting point metallic material in a solid phase with molten metal. | 09-01-2011 |
| 20110205006 | R-Fe-B ANISOTROPIC SINTERED MAGNET - An R—Fe—B based anisotropic sintered magnet according to the present invention has, as a main phase, an R | 08-25-2011 |
| 20110186181 | CORROSION-RESISTANT MAGNET AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide an R—Fe—B based sintered magnet having on a surface thereof a chemical conversion film with higher corrosion resistance than a conventional chemical conversion film such as a phosphate film, and a method for producing the same. The corrosion-resistant magnet of the present invention as a means for achieving the object is characterized by comprising a chemical conversion film containing at least Zr, Nd, fluorine, and oxygen as constituent elements and not containing phosphorus directly on a surface of an R—Fe—B based sintered magnet, wherein R is a rare-earth element including at least Nd. | 08-04-2011 |
| 20110185851 | Fine Composite Metal Particles and Their Production Method, Micro-Bodies, and Magnetic Beads - Fine composite metal particle comprising a metal core and a coating layer of carbon, and being obtained by reducing metal oxide powder with carbon powder. | 08-04-2011 |
| 20110181274 | METHOD FOR ANALYZING DC SUPERPOSITION CHARACTERISTICS OF INDUCTANCE DEVICE, AND ELECTROMAGNETIC FIELD SIMULATOR - A method for analyzing the DC superposition characteristics of an inductance device using a magnetic field analysis simulator, comprising a first step of determining an initial magnetization curve from initial magnetization to saturation magnetization, and pluralities of minor loops at different operating points, on a toroidal core made of the same magnetic material as that of the inductance device, and obtaining point-list data showing the relation between magnetic flux density or magnetic field strength and incremental permeability from the incremental permeability at each operating point; a second step of determining an operating point at a predetermined direct current on each element obtained by mesh-dividing an analysis model of the inductance device by a magnetic field analysis simulator based on the initial magnetization curve of the core, allocating the incremental permeability to the operating point from the point-list data, and integrating the inductance of each element obtained from the incremental permeability to determine the inductance of the entire inductance device; and a third step of repeating the second step at different direct current levels to determine the DC superposition characteristics. | 07-28-2011 |
| 20110180956 | METHOD AND APPARATUS FOR PRODUCING CERAMIC MOLDING - A molding apparatus for producing a ceramic molding comprising a material-flowing path, a molding die disposed at one end of the material-flowing path, and a pressurizing means for extrusion-molding the molding material; the material-flowing path comprising pluralities of porous plates for passing the molding material and a screen fixed therebetween, and a method for producing a ceramic molding using this apparatus. | 07-28-2011 |
| 20110177292 | CERAMIC ASSEMBLED BOARD, METHOD OF MANUFACTURING THE SAME, CERAMIC SUBSTRATE AND CERAMIC CIRCUIT SUBSTRATE - A ceramic assembled board shows an advantageous dividablility of allowing the board to be divided when intended and not allowing it to be divided with ease when unintended. A ceramic substrate shows an excellent degree of dimensional precision and bending strength. A ceramic circuit substrate shows a high dielectric strength. A ceramic assembled board is formed by cutting continuous dividing grooves on one or both of the surfaces of a sintered ceramic board by way of laser machining to produce a large number of circuit substrates and at least one of the continuous grooves has a largest depth section and a smallest depth section with a depth difference Δd of 10 μm ≦Δd≦50 μm. A ceramic substrate is produced by dividing the ceramic assembled board and at least one of its lateral surfaces is a surface formed by dividing the ceramic assembled board along the continuous grooves, the arithmetic mean roughness Ra2 of the machined surfaces of the continuous grooves being smaller than the arithmetic mean roughness Ra1 of the surfaces of broken sections with regard to the arithmetic mean roughness Ra of the lateral surfaces. | 07-21-2011 |
| 20110176657 | SINGLE CRYSTAL SCINTILLATOR MATERIAL, METHOD FOR PRODUCING SAME, RADIATION DETECTOR AND PET SYSTEM - A method for producing a single crystal scintillator material according to the present invention includes the steps of: providing a solvent including: at least one element selected from the group consisting of Li, Na, K, Rb and Cs; W and/or Mo; B; and oxygen; melting a Ce compound and a Lu compound that have been mixed with the solvent by heating the mixture to a temperature of 800° C. to 1,350° C.; and growing a single crystal by cooling the compounds melted. The single crystal is represented by the compositional formula (Ce | 07-21-2011 |
| 20110176277 | SILICON NITRIDE SINTERED BODY, METHOD OF PRODUCING THE SAME, AND SILICON NITRIDE CIRCUIT SUBSTRATE AND SEMICONDUCTOR MODULE USING THE SAME - Provided are a silicon nitride substrate made of a silicon nitride sintered body that is high in strength and thermal conductivity, a method of producing the silicon nitride substrate, and a silicon nitride circuit substrate and a semiconductor module that use the silicon nitride substrate. | 07-21-2011 |
| 20110171058 | PROCESS FOR MANUFACTURING NI-BASE ALLOY AND NI-BASE ALLOY - Provided is an Ni-base alloy excellent in strength, ductility and other properties through the resolution of micro-segregation. Also provided is a process for manufacturing an Ni-base alloy containing by mass C: 0.15% or less, Si: 1% or less, Mn: 1% or less, Cr: 10 to 24%, Mo+(½)W (where Mo may be contained either alone or as an essential component): 5 to 17%, Al: 0.5 to 1.8%, Ti: 1 to 2.5%, Mg: 0.02% or less, and either B: 0.02% or less and/or Zr: 0.2% or less at an Al/(Al+0.56Ti) ratio of 0.45 to 0.70 with the balance consisting of Ni and impurities, which comprises subjecting, at least one time, an Ni-base alloy material which is prepared by vacuum melting and has the above composition to homogenization heat treatment at 1160 to 1220° C. for 1 to 100 hours. The Mo segregation ratio of the alloy is controlled to 1 to 1.17 by the homogenization heat treatment. | 07-14-2011 |
| 20110163739 | SELF-PINNED SPIN VALVE MAGNETORESISTANCE EFFECT FILM AND MAGNETIC SENSOR USING THE SAME, AND ROTATION ANGLE DETECTION DEVICE - Provided are a self-pinned spin valve magnetoresistance effect film, a magnetic sensor using the same, and a rotation angle detection device. The self-pinned spin valve magnetoresistance effect film has a strong coupling magnetic field in a pinned layer, a small reduction in the change in resistance, and superior resistance to magnetic fields without reducing the coercive force in a first ferromagnetic layer, which is a pinned layer in the film, even when exposed to a strong external magnetic field. By inserting a non-magnetic layer between a ground layer and a pinned layer to form the spin valve magnetoresistance effect film, the self-pinned spin valve magnetoresistance effect film having superior resistance to magnetic fields, a magnetic sensor using the same, and a rotation angle detection device are obtained. | 07-07-2011 |
| 20110159181 | Fine Composite Metal Particles and Their Production Method, Micro-Bodies, and Magnetic Beads - Fine composite metal particle comprising a metal core and a coating layer of carbon, and being obtained by reducing metal oxide powder with carbon powder. | 06-30-2011 |
| 20110156058 | SILICON CARBIDE MONOCRYSTAL SUBSTRATE AND MANUFACTURING METHOD THEREFOR - A method for producing a silicon carbide single crystal substrate according to the present invention includes steps of: (A) preparing a silicon carbide single crystal substrate having a mechanically polished main face; (B) performing chemical mechanical polishing on the main face of the silicon carbide single crystal substrate using a polishing slurry containing abrasive grains dispersed therein to finish the main face as a mirror surface; (C′1) oxidizing at least a part of the main face finished as a mirror surface by a gas phase to form an oxide; and (C′2) removing the oxide. | 06-30-2011 |
| 20110143168 | CO-FE ALLOY FOR SOFT MAGNETIC FILMS, SOFT MAGNETIC FILM, AND PERPENDICULAR MAGNETIC RECORDING MEDIUM - Disclosed is a Co—Fe alloy for soft magnetic films used in perpendicular magnetic recording media, etc., which maintains high soft magnetic properties and has excellent weather resistance. Disclosed is a Co—Fe alloy for soft magnetic films, which is a Co—Fe alloy the composition formula of which is expressed at atomic ratio as ((Co | 06-16-2011 |
| 20110135873 | CERAMIC HONEYCOMB STRUCTURE AND ITS PRODUCTION METHOD - A ceramic honeycomb structure having a large number of flow paths defined by porous cell walls having porosity of 45-68% and an average pore size of 15-35 μm, the volume of pores having diameters of more than 50 μm being more than 10% and 25% or less of the total pore volume, the volume of pores having diameters of 100 μm or more being 1-8% of the total pore volume, the volume of pores having diameters of less than 10 μm being 3-10% of the total pore volume, and the pores having a pore size distribution deviation σ [=log(D | 06-09-2011 |
| 20110133860 | BANDPASS FILTER, HIGH-FREQUENCY DEVICE AND COMMUNICATIONS APPARATUS - A bandpass filter comprising two or more resonators arranged between two input/output terminals in a laminate substrate comprising pluralities of dielectric layers; each resonator being constituted by a resonance line and a resonance capacitance connected to one end of the resonance line; capacitance electrodes forming said resonance capacitances and said resonance lines being arranged on different dielectric layers, via a planar ground electrode covering the entire structural portion of the bandpass filter when viewed in a lamination direction; and in each of the resonators connected to said two input/output terminals, the junctions of said input/output terminals to said paths between said resonance lines and said resonance capacitances being closer to said resonance capacitances than said resonance lines in a lamination direction. | 06-09-2011 |
| 20110128109 | Laminate Device and Module Comprising Same - The laminate device of the present invention comprises magnetic layers and coil patterns alternately laminated, the coil patterns being connected in a lamination direction to form a coil, and pluralities of magnetic gap layers being disposed in regions in contact with the coil patterns. | 06-02-2011 |
| 20110110452 | HIGH-FREQUENCY CIRCUIT, HIGH-FREQUENCY DEVICE, AND COMMUNICATIONS APPARATUS - A high-frequency circuit comprising first and second antenna terminals, a transmitting terminal and first and second receiving terminals for first and second communications systems, and first and second switch circuits each having a common terminal and at least first and second switching terminals; the first antenna terminal being connected to a common terminal of the first switch circuit, the transmitting terminal for the first communications system being connected to the first switching terminal of the first switch circuit, the second antenna terminal being connected to a common terminal of the second switch circuit, the transmitting terminal for the second communications system being connected to the first switching terminal of the second switch circuit, each first receiving terminal for the first and second communications systems being connected to the second switching terminal of the first switch circuit via a first receiving-side multiplexer circuit, each second receiving terminal for the first and second communications systems being connected to the second switching terminal of the second switch circuit via a second receiving-side multiplexer circuit. | 05-12-2011 |
| 20110108167 | NANO-CRYSTALLINE, MAGNETIC ALLOY, ITS PRODUCTION METHOD, ALLOY RIBBON AND MAGNETIC PART - A magnetic alloy having a composition represented by the general formula of Fe | 05-12-2011 |
| 20110096705 | MULTIBAND HIGH-FREQUENCY CIRCUIT, MULTIBAND HIGH-FREQUENCY CIRCUIT DEVICE AND MULTIBAND COMMUNICATIONS APPARATUS COMPRISING SAME - A multiband high-frequency circuit comprising a first switch SPDT | 04-28-2011 |
| 20110095855 | R-T-Cu-Mn-B TYPE SINTERED MAGNET - An R-T-Cu—Mn—B based sintered magnet includes: 12.0 at % to 15.0 at % of R, which is at least one of the rare-earth elements that include Y and of which at least 50 at % is Pr and/or Nd; 5.5 at % to 6.5 at % of B; 0.08 at % to 0.35 at % of Cu; 0.04 at % to less than 0.2 at % of Mn; at most 2 at % (including 0 at %) of M, which is one, two, or more elements that are selected from the group consisting of Al, Ti, V, Cr, Ni, Zn, Ga, Zr, Nb, Mo, Ag, In, Sn, Hf, Ta, W, Au, Pb and Bi; and T as the balance, which is either Fe alone or Fe and Co and of which at most 20 at % is Co if T includes both Fe and Co. | 04-28-2011 |
| 20110086218 | COMPOSITE MATERIAL, HAVING HIGH THERMAL CONDUCTIVITY AND LOW THERMAL EXPANSION COEFFICIENT, AND HEAT-DISSIPATING SUBSTRATE, AND THEIR PRODUCTION METHODS - A composite material having a high thermal conductivity and a small thermal expansion coefficient, which is obtained by impregnating a porous graphitized extrudate with a metal; the composite material having such anisotropy that the thermal conductivity and the thermal expansion coefficient are 250 W/mK a more and less than 4×10 | 04-14-2011 |
| 20110085931 | NANO-CRYSTALLINE, MAGNETIC ALLOY, ITS PRODUCTION METHOD, ALLOY RIBBON AND MAGNETIC PART - A magnetic alloy having a composition represented by the general formula of Fe | 04-14-2011 |
| 20110037549 | RARE EARTH METAL-BASED PERMANENT MAGNET - An objective of the present invention is to provide a rare earth metal-based permanent magnet with improved adhesion properties. A rare earth metal-based permanent magnet of the present invention as a means for achieving the objective has a laminated plating film, and is characterized in that the plating film comprises as an outermost surface layer a SnCu alloy plating film having a film thickness in a range from 0.1 μm to 2 μm, the composition of the SnCu alloy plating film is 35 mass % or more but less than 55 mass % of Sn and the rest being Cu, and a base plating film having two or more layers including at least a Ni plating film and a Cu plating film which are formed as the lower layer under the SnCu alloy plating film, and among the base plating film, the Ni plating film is located just below the SnCu alloy plating film. A joined structure fabricated using the rare earth metal-based permanent magnet of the present invention exhibits favorable initial adhesion strength when combined with a silicone-based adhesive, and is less deteriorated in adhesion strength even after a moisture resistance test. | 02-17-2011 |
| 20110037529 | NON-RECIPROCAL CIRCUIT AND NON-RECIPROCAL CIRCUIT DEVICE, AND CENTRAL CONDUCTOR ASSEMBLY USED THEREIN - A central conductor assembly for use in a non-reciprocal circuit comprising a first inductance element between a first input/output port and a second input/output port, and a second inductance element between the second input/output port and a ground port, a magnetic substrate being integrally provided with a first central conductor constituting the first inductance element and a second central conductor constituting the second inductance element; and the second central conductor being crossing the first central conductor on a main surface side of the substrate via a magnetic layer or a dielectric layer, with at least one end portion thereof bent such that high-frequency current flows therethrough in the same direction as or in an opposite direction to that of high-frequency current flowing through the first central conductor. | 02-17-2011 |
| 20110037459 | ROTATION-ANGLE-DETECTING APPARATUS - A rotation-angle-detecting apparatus comprising a magnet rotor, a magnetic sensor detecting the direction of magnetic flux from the magnet rotor, a correction circuit, and an angle-calculating circuit, the magnetic sensor having bridge circuits X and Y each comprising four connected magnetoresistive devices, each magnetoresistive device comprising a spin-valve, giant-magnetoresistive film, the correction circuit calculating difference (Vx−Vy) and sum (Vx+Vy) from the output voltage Vx of the bridge circuit X and the output voltage Vy of the bridge circuit Y, and making their amplitudes equal to each other, and the angle-calculating circuit determining the rotation angle of the rotor by arctangent calculation from a signal (Vx−Vy)′ and a signal (Vx+Vy)′ supplied with the same amplitude from the correction circuit. | 02-17-2011 |
| 20110027406 | DIE FOR MOLDING CERAMIC HONEYCOMB STRUCTURE - A die comprising molding grooves arranged in a lattice pattern and moldable-material-supplying holes communicating with the molding grooves for molding a ceramic honeycomb structure, the molding grooves having width of 0.05-0.5 mm, the moldable-material-supplying holes being arranged in every intersecting portions of the molding grooves, or in every other intersecting portions of the molding grooves in a checkerboard pattern, and an average distance between the centers of the intersecting portions of the molding grooves, at which the moldable-material-supplying holes are arranged, and the center axes of the moldable-material-supplying holes being 10-100 μm. | 02-03-2011 |
| 20110025440 | R-T-B-TYPE SINTERED MAGNET AND METHOD FOR PRODUCTION THEREOF - An R-T-B based sintered magnet according to the present invention has a composition including: 27.3 mass % to 29.5 mass % of R; 0.92 mass % to 1 mass % of B; 0.05 mass % to 0.3 mass % of Cu; 0.02 mass % to 0.5 mass % of M; and T as the balance, and has an oxygen content of 0.02 mass % to 0.2 mass %. The main phase of the sintered magnet is an R | 02-03-2011 |
| 20110024672 | Oxide-Type, Magnetic Material and it's Production Method, and Sintered Ferrite Magnet and it's Production Method - A sintered ferrite magnet having an M-type ferrite structure and comprising Ca, an R element which is at least one rare earth element indispensably including La, Ba, Fe and Co as indispensable elements, which is represented by Ca | 02-03-2011 |
| 20110018207 | PISTON RING MATERIAL FOR INTERNAL COMBUSTION ENGINE - A piston ring material is provided which retains excellent mechanical properties and processability, which are required of piston ring materials, and has wearing resistance and scuffing resistance, which are sliding properties required of piston rings. The piston ring material, which is for use in internal combustion engines, contains, in terms of mass %, 0.3-0.8% carbon, 0.1-3.0% silicon, 0.1-3.0% manganese, 0.01-0.3% sulfur, 0.1-2.0% chromium, and 0.05-2.0% the sum of titanium and/or zirconium, with the remainder being iron and incidental impurities. The titanium and/or zirconium contained in the piston ring material and the sulfur contained therein satisfy the following relationship. [Ti (%)+½Zr (%)]/S (%)≦5.0 Preferably, the material may contain one or more members selected from up to 1.0% copper, less than 3.0% molybdenum, up to 1.0% aluminum, and less than 2.0% nickel, in terms of mass %. | 01-27-2011 |
| 20110012699 | R-Fe-B RARE EARTH SINTERED MAGNET - An R—Fe—B based rare-earth sintered magnet according to the present invention includes, as a main phase, crystal grains of an R | 01-20-2011 |
| 20110011848 | PROCESS FOR PRODUCING SEMICONDUCTIVE PORCELAIN COMPOSITION AND HEATER EMPLOYING SEMICONDUCTIVE PORCELAIN COMPOSITION - To improve jump characteristic of BaTiO | 01-20-2011 |
| 20110000200 | HEAT-RESISTANT, AUSTENITIC CAST STEEL AND EXHAUST MEMBER MADE THEREOF - Heat-resistant, austenitic cast steel comprising by mass 0.3-0.6% of C, 1.1-2% of Si, 1.5% or less of Mn, 17.5-22.5% of Cr, 8-13% of Ni, 1.5-4% as (W+2Mo) of at least one of W and Mo, 1-4% of Nb, 0.01-0.3% of N, 0.01-0.5% of S, the balance being Fe and inevitable impurities, and meeting the following formulae (1), (2), (3) and (4): | 01-06-2011 |
| 20100327857 | ANGLE SENSOR, ANGLE SENSOR MANUFACTURING METHOD, AND ANGLE DETECTION DEVICE USING THE ANGLE SENSOR - There is provided an angle sensor and angle detection device of high output and high accuracy with a wide operating temperature range. First through eighth sensor units | 12-30-2010 |
| 20100323877 | SEMICONDUCTOR PORCELAIN COMPOSITION - The invention intends to provide, in BaTiO | 12-23-2010 |
| 20100321140 | LOW-LOSS FERRITE AND ELECTRONIC DEVICE FORMED BY SUCH FERRITE - Low-loss ferrite comprising 100% by mass of main components comprising 47.1-49.3% by mol of Fe | 12-23-2010 |
| 20100321008 | ROTATION-ANGLE-DETECTING APPARATUS, ROTATING MACHINE AND ROTATION-ANGLE-DETECTING METHOD - An apparatus for detecting a rotation angle using a magnet rotor comprising a magnet having 2N poles, wherein N is a natural number, and a sensor device for detecting the direction of a magnetic flux from the magnet rotor, at least one of two output voltages obtained in radial and rotational directions by the sensor device being multiplied by a correction coefficient, and the rotation angle being calculated from the two corrected output voltages to increase the detection accuracy of the rotation angle. | 12-23-2010 |
| 20100310819 | ALUMINUM-TITANATE-BASED CERAMIC HONEYCOMB STRUCTURE, ITS PRODUCTION METHOD, AND STARTING MATERIAL POWDER FOR PRODUCING SAME - A ceramic honeycomb structure having a large number of flow paths partitioned by porous cell walls, the cell walls comprising at least main crystals of aluminum titanate, in which MgO and SiO | 12-09-2010 |
| 20100302748 | CERAMIC SUBSTRATE PART AND ELECTRONIC PART COMPRISING IT - A ceramic substrate part comprising on its upper surface pluralities of external electrodes comprising wire-bonding electrodes, each of which comprises a primer layer based on Ag or Cu, a Ni-based lower layer, an intermediate layer based on a Pd—P alloy containing 0.4-5% by mass of P, and a Au-based upper layer formed in this order on a ceramic substrate, the upper layer containing Pd after heated by soldering, and having a Au concentration of 80 atomic % or more based on the total concentration (100 atomic %) of Au and Pd. | 12-02-2010 |
| 20100295644 | R-FE-B BASED SINTERED MAGNET HAVING ON THE SURFACE THEREOF VAPOR DEPOSITED FILM OF ALUMINUM OR ALLOY THEREOF, AND METHOD FOR PRODUCING THE SAME - An objective of the present invention is to provide an R—Fe—B based sintered magnet having on the surface thereof a vapor deposited film of aluminum or an alloy thereof, which maintains excellent adhesion strength with the adhered object even after subjecting it to a severe heat cycle test, and a method for producing the same. As a means for solving the problems, an R—Fe—B based sintered magnet having on the surface thereof a vapor deposited film of aluminum or an alloy thereof of the present invention is characterized in that the vapor deposited film of aluminum or an alloy thereof comprises a columnar crystalline structure grown broader from the surface of the bulk magnet body outward to the outer surface, which has a part within a region defined in the thickness direction of the film as taken from the surface of the bulk magnet body to ⅓ of the film thickness, 5 to 30 intercrystalline gaps of 0.01 μm to 1 μm in width as counted per 10 μm length in the lateral direction of the film are existing at the part. The method for producing the same is characterized by, on forming the vapor deposited film of aluminum or an alloy thereof on the surface of the R—Fe—B based sintered magnet, individually controlling the average film formation rate in the initial stage and in the later stage of the film formation as such that it is slower up to a predetermined point, and that it is speeded up later thereon. | 11-25-2010 |
| 20100291407 | ALLOY TO BE SURFACE-COATED AND SLIDING MEMBERS - An alloy to be surface-coated, which can keep excellent hardness of 58HRC or above even when the amount of an alloying element added is reduced or even when the alloy is heated to a temperature of as high as 400 to 500° C.; and sliding members produced by forming a hard film on the surface of the alloy. An alloy to be surface-coated, the surface of which is to be covered with a hard film, which alloy contains by mass C: 0.5 to 1.2%, Si: 2.0% or below, Mn: 1.0% or below, Cr: 5.0 to 14.0%, Mo+1/2 W: 0.5 to 5.0%, and N: more than 0.015 to 0.1% with the balance being Fe and impurities, preferably such an alloy which contains by mass C: 0.6 to 0.85%, Si: 0.1 to 1.5%, Mn: 0.2 to 0.8%, Cr: 7.0 to 11.0%, Mo+1/2 W: 1.0 to 4.0%, and N: 0.04 to 0.08%. | 11-18-2010 |
| 20100283447 | MULTILAYER INDUCTOR AND POWER CONVERTER COMPRISING IT - A multilayer inductor comprising a coil embedded in a magnetic portion, and a magnetic gap formed by a non-magnetic portion in part of a magnetic path, the magnetic portion being made of Ni ferrite, whose relative temperature coefficient αμ | 11-11-2010 |
| 20100272890 | PRODUCTION METHOD OF CERAMIC HONEYCOMB FILTER - A method for producing a ceramic honeycomb filter having predetermined plugs comprising immersing the end portions of a ceramic honeycomb structure having large numbers of flow paths, with its end surface covered with a mask provided with holes only at positions corresponding to the predetermined flow paths, in a plugging material slurry, so that the plugging material slurry is introduced into the end portions of the predetermined flow paths, and removing plugging material protrusions formed in the flow paths that should not be plugged. | 10-28-2010 |
| 20100258954 | ELECTRODE STRUCTURE AND ITS MANUFACTURING METHOD, AND SEMICONDUCTOR MODULE - There is a highly reliable semiconductor module having a satisfactory bonding strength in the electrical bonded portion. In the semiconductor module | 10-14-2010 |
| 20100252145 | METHOD FOR PRODUCING SURFACE-MODIFIED RARE EARTH METAL-BASED SINTERED MAGNET AND SURFACE-MODIFIED RARE EARTH METAL-BASED SINTERED MAGNET - An objective of the present invention is to provide a rare earth metal-based sintered magnet having imparted thereto sufficient corrosion resistance by an oxidative heat treatment, which is resistant even in an environment of fluctuating humidity, while suppressing the deterioration of the magnetic characteristics ascribed to the oxidative heat treatment, and to provide a method for producing the same. As a means of achieving the objective above, the surface-modified rare earth metal-based sintered magnet of the present invention is characterized in that the surface-modified part comprises a surface-modified layer comprising at least three layers formed in this order from the inner side of the magnet, a main layer containing R, Fe, B, and oxygen, an amorphous layer containing at least R, Fe, and oxygen, and an outermost layer containing iron oxide comprising mainly hematite as the constituent, and the method for producing the same is characterized in that it comprises a step of applying a heat treatment to a bulk magnet body in the temperature range of from 200° C. to 600° C., under an atmosphere with oxygen partial pressure in a range of from 1×10 | 10-07-2010 |
| 20100231338 | R-Fe-B RARE-EARTH SINTERED MAGNET AND PROCESS FOR PRODUCING THE SAME - First, an R—Fe—B based rare-earth sintered magnet body including, as a main phase, crystal grains of an R | 09-16-2010 |
| 20100226814 | LOW-THERMAL-EXPANSION NI-BASED SUPER-HEAT-RESISTANT ALLOY FOR BOILER AND HAVING EXCELLENT HIGH-TEMPERATURE STRENGTH, AND BOILER COMPONENT AND BOILER COMPONENT PRODUCTION METHOD USING THE SAME - Disclosed is a low-thermal-expansion Ni-based super-heat-resistant alloy for a boiler, which has excellent high-temperature strength. The alloy can be welded without the need of carrying out any aging treatment. The alloy has a Vickers hardness value of 240 or less. The alloy comprises (by mass) C in an amount of 0.2% or less, Si in an amount of 0.5% or less, Mn in an amount of 0.5% or less, Cr in an amount of 10 to 24%, one or both of Mo and W in such an amount satisfying the following formula: Mo+0.5 W=5 to 17%, Al in an amount of 0.5 to 2.0%, Ti in an amount of 1.0 to 3.0%, Fe in an amount of 10% or less, and one or both of B and Zr in an amount of 0.02% or less (excluding 0%) for B and in an amount of 0.2% or less (excluding 0%) for Zr, with the remainder being 48 to 78% of Ni and unavoidable impurities. | 09-09-2010 |
| 20100219922 | NANO-COMPOSITE MAGNET, QUENCHED ALLOY FOR NANO-COMPOSITE MAGNET, AND METHOD FOR PRODUCING THEM AND METHOD FOR DISTINGUISHING THEM - A nanocomposite magnet according to the present invention has a composition represented by the general formula: R | 09-02-2010 |
| 20100219349 | RADIATION DETECTOR AND METHOD FOR PRODUCING THE SAME - Disclosed is a multi-channel array radiation detector that can provide high-definition and high-resolution CT photo-images. The radiation detector has semiconductor photo-detecting elements arranged lengthwise and breadth-wise in a lattice manner and scintillator elements arranged on them one-to-one. The scintillator elements have thin metal light-reflecting material layers formed on side surfaces of the scintillator elements, and a radiation shielding material layer composed of resin blended with heavy metal element particles is filled in between adjacent metal light-reflecting material layers. | 09-02-2010 |
| 20100212456 | METHOD OF MANUFACTURING COMPOSITE BALL FOR ELECTRONIC PARTS - Disclosed is a method of manufacturing a composite ball for electronic parts by preparing a core ball with spherical shape, forming a solder-plated layer encompassing the core ball to obtain a composite ball, and then conducting a smoothing work on the surface of the solder-plated layer, therein the smoothing work is preferably conducted by bringing a medium into contact with the surface of the solder-plated layer. | 08-26-2010 |
| 20100210489 | HARD COATING FILM EXCELLENT IN LUBRICATION CHARACTERISTICS, PROCESS FOR FORMATION THEREOF, AND TOOL FOR THE PLASTIC WORKING OF METAL - The invention aims at providing a hard coating film excellent in lubrication characteristics; a process for the formation thereof; and tools for the plastic working of metal, and provides a hard coating film covering the surface of a substrate to come into contact with other member, wherein carbon atoms having carbon-carbon bonds are present in an amount of 10 at % or above. It is preferable that the hard coating film contain titanium carbide, while it is preferable to form a titanium nitride coating layer between the surface of the substrate and the hard coating film. The invention also provides a process for the formation of a hard coating film on the surface of a substrate by arc ion plating which comprises introducing a hydrocarbon gas during the arc ion plating with a metal target and which makes it possible to form on the surface of a substrate a coating film where carbon atoms having carbon-carbon bonds are present in an amount of 10 at % or above. It is preferable that prior to the introduction of a hydrocarbon gas, nitrogen gas be introduced to form a metal nitride layer on the surface of the substrate. Further, the invention provides tools for the plastic working of metal whose working surfaces are covered with the hard coating film. | 08-19-2010 |
| 20100207029 | SINGLE CRYSTAL SCINTILLATOR MATERIAL AND METHOD FOR PRODUCING THE SAME - A single crystal scintillator material according to the present invention includes a single crystal portion that is represented by the compositional formula (Ce | 08-19-2010 |
| 20100205921 | CORDIERITE-BASED CERAMIC HONEYCOMB FILTER AND ITS PRODUCTION METHOD - A cordierite-based ceramic honeycomb filter comprising a honeycomb structure having a large number of flow paths partitioned by porous cell walls, and plugs alternately formed in said flow paths on the exhaust-gas-inlet side or the exhaust-gas-outlet side for permitting an exhaust gas to pass through said porous cell walls to remove particulate matter from the exhaust gas, said porous cell walls having porosity of 45-58%, an average pore size of 15-30 μm, the volume of pores having pore sizes exceeding 50 μm being more than 10% and 25% or less of the total pore volume, the volume of pores having pore sizes of 100 μm or more being 1-8% of the total pore volume, the volume of pores having pore sizes of less than 10 μm being 3-10% of the total pore volume, and said pores having a pore size distribution deviation σ [=log(D20)−log(D80)] of 0.6 or less, wherein D20 represents a pore size (μm) at a pore volume corresponding to 20% of the total pore volume, and D80 represents a pore size (μm) at a pore volume corresponding to 80% of the total pore volume, both in a curve representing the relation between the pore size and the cumulative pore volume, and D80| 08-19-2010 | |
| 20100193089 | HOT-WORKING TOOL STEEL HAVING EXCELLENT TOUGHNESS AND HIGH-TEMPERATURE STRENGTH AND METHOD FOR PRODUCTION THEREOF - Disclosed is a hot-working tool steel having improved toughness and high-temperature strength. Also disclosed is a method for producing the hot-working tool steel. The hot-working tool steel comprises the following components (by mass): C: 0.34-0.40%, Si: 0.3-0.5%, Mn: 0.45-0.75%, Ni: 0-0.5% (exclusive), Cr: 4.9-5.5%, (Mo+1/2W): 2.5-2.9% (provided that Mo and W are contained singly or in combination), and V: 0.5-0.7%, with the remainder being Fe and unavoidable impurities. Preferably, the cross-sectional structure of the hot-working tool steel upon quenching contains a granular structure and an acicular structure, wherein the granular structure (A %) accounts for 45 area % or less, the acicular structure (B %) accounts for 40 area % or less, and the remaining austenite (C %) accounts for 5 to 20 volume %.; Also disclosed is a method for producing a hot-working tool steel, which comprises tempering the above-mentioned hot-working tool steel so that a value X determined by the following relational expression between a tempered hardness (HRC) and the percentages of the tissues becomes 40 or greater. | 08-05-2010 |
| 20100189594 | SOLDER ALLOY, SOLDER BALL AND SOLDER JOINT USING SAME - Disclosed is a Pb-free solder alloy consisting of, in mass %, 0.1-1.5% of Ag, 0.5-0.75% of Cu, Ni in an amount satisfying 12.5≦Cu/Ni≦100, and the balance of Sn and unavoidable impurities. The solder alloy preferably contains, in mass %, 0.3-1.2% of Ag and 0.01-0.04% of Ni. Also disclosed is a solder ball obtained by spheroidizing the solder alloy. In addition, the solder alloy is suitable for a solder joint onto an Ni electrode. The solder alloy has excellent drop impact resistance, while being suppressed in decrease of joining strength under high temperature conditions for a long time. | 07-29-2010 |
| 20100189590 | MARAGING STEEL AND MARAGING STEEL FOR METALLIC BELT - A maraging steel for metallic belts which has a composition capable of being reduced in the content of TiN serving as a starting point for fatigue fracture in a high-cycle-rate region. The composition facilitates nitriding to heighten the surface hardness. The steel has a nitrided surface layer having increased compressive residual stress and hence improved flexural fatigue strength. In the steel, former austenite crystal grains have been reduced in size in order to secure higher strength and higher ductility. The maraging steel consists of, by mass %, up to 0.01% C, up to 0.1% Si, up to 0.1% Mn, up to 0.01% P, up to 0.005% S, 17.0-22.0% Ni, 0.1-4.0% Cr, 3.0-7.0% Mo, from more than 7.0 to 20.0% Co, up to 0.1% Ti, up to 2.5% Al, up to 0.03% N, up to 0.005% 0, up to 0.01% B (exclusive zero), and the balance of Fe and unavoidable impurities, wherein Co/3+Mo+4Al is 8.0-15.0%. | 07-29-2010 |
| 20100187423 | FLUORESCENT MATERIAL,SCINTILLATOR USING SAME, AND RADIATION DETECTOR USING SAME - A fluorescent material for a scintillator to be used in a radiation detector is provided. The fluorescent material is designed to have a high fluorescent intensity and a low level of afterglow a short term of 1 to 300 ms after the termination of X-ray radiation. | 07-29-2010 |
| 20100182113 | R-Fe-B TYPE RARE EARTH SINTERED MAGNET AND PROCESS FOR PRODUCTION OF THE SAME - In an R—Fe—B based rare-earth sintered magnet according to the present invention, at a depth of 20 μm under the surface of its magnet body, crystal grains of an R | 07-22-2010 |
| 20100182097 | HIGH-FREQUENCY DEVICE AND HIGH-FREQUENCY CIRCUIT USED THEREIN - A high-frequency device having a high-frequency circuit comprising a high-frequency amplifier, and an output-matching circuit receiving high-frequency power output from the high-frequency amplifier, in and on a multilayer substrate obtained by laminating pluralities of dielectric layers, the output-matching circuit comprising a first transmission line transmitting the high-frequency power from the high-frequency amplifier side to the output terminal side, and at least part of the first transmission line being formed by series-connecting pluralities of conductor patterns formed on pluralities of dielectric layers in a laminate direction. | 07-22-2010 |
| 20100181859 | RADIALLY ANISOTROPIC RING R-TM-B MAGNET, ITS PRODUCTION METHOD, DIE FOR PRODUCING IT, AND ROTOR FOR BRUSHLESS MOTOR - A method for producing a radially anisotropic ring magnet having at least one axial groove on the inner surface comprises using a die comprising a cylindrical, magnetic core, a magnetic sleeve having an axial ridge in alignment with the groove on the outer surface and disposed on an outer peripheral surface of the core, and an outer, cylindrical die member defining a cavity for forming the ring magnet with the magnetic sleeve, and compression-molding magnet powder charged into the cavity while applying a magnetic field in a radial direction, and a radially anisotropic ring magnet substantially having a composition of R-TM-B, wherein R is at least one of rare earth elements including Y, TM is at least one of transition metals, and B is boron, having at least one axial groove on the inner surface, and magnetized such that centerlines between magnetic poles do not overlap grooves. | 07-22-2010 |
| 20100181731 | WIRE FOR I-SHAPE OIL RINGS AND PRODUCING METHOD OF THE SAME - Provided is a wire rod for an I-type oil ring, which includes right and left rail portions and a web portion connecting the rail portions, which has an oil hole or a molten through hole formed in the web portion, and which has a circumscribing circle diameter of 10 mm or less in its transverse contour. The molten through hole has such a remolten portion formed on its exit side as encloses the exit of the molten through hole. The remolten portion exceeds such a molten portion in the transverse section along the center of the molten through hole as is formed in the molten through hole, and is formed to have 200 μm or less from the outer circumference of the molten through hole and 100 μm or less in the depth direction of the molten through hole. | 07-22-2010 |
| 20100178510 | FINE METAL PARTICLES AND BIOMATERIAL-EXTRACTING MAGNETIC BEADS, AND THEIR PRODUCTION METHODS - Fine metal particles each comprising a magnetic metal core particle and two or more coating layers, the outermost layer among the two or more coating layers containing an oxide of silicon and aluminum at an Al/Si atomic ratio of 0.01-0.2, and a method for producing fine metal particles comprising the steps of coating each primary particle comprising a magnetic metal core particle and a first coating layer with a mixture of silicon alkoxide and aluminum alkoxide, and then hydrolyzing the silicon alkoxide and the aluminum alkoxide, thereby forming a second coating layer comprising an oxide of silicon and aluminum at an Al/Si atomic ratio of 0.01-0.2. | 07-15-2010 |
| 20100170832 | DEVICE AND METHOD OF SCREENING FOR INDIVIDUAL BALLS - A device and a method of screening for individual balls are provided. The device for screening for individual balls has a supply device, a slope, and a recovering part jointed to a gas-tight chamber, and has a pressure reducing device for decompressing and maintaining the pressure of the gas-tight chamber lower than 1000 Pa in the gas-tight chamber. The supply device is used for supplying the balls, the slope is used for enabling the balls to roll down, and the recovering part is used for recovering the balls from the slope. Further, the method for screening for individual balls includes supplying the balls from the supply device to the slope, rolling the balls down the slope, screening for the balls according to the speed is difference and/or the direction difference of the balls, and recovering the balls in the recovering part, in the gas-tight chamber with the pressure below 1000 Pa. | 07-08-2010 |
| 20100167908 | DIELECTRIC PORCELAIN COMPOSITION FOR USE IN ELECTRONIC DEVICES - The invention intends to provide a dielectric porcelain composition for use in electronic devices, in which the relative dielectric constant εr is high, the Qf value is high and, the temperature coefficient τf can be controlled while maintaining the temperature coefficient τf at the resonant frequency small and the Qf value high. According to the invention, when, in an LnAlO | 07-01-2010 |
| 20100158745 | PISTON RING MATERIAL FOR INTERNAL COMBUSTION ENGINE - A piston ring material that when formed into a piston ring product, maintains excellent properties, and that at the production of piston ring rod, realizes excellent processability and shape stability. There is provided a piston ring material for internal combustion engine comprising, by mass, 0.5 to less than 0.7% C, 1.0% or less Si, 1.0% or less Mn, 12.0 to 16.0% Cr, 3.0% or less Mo and/or W (Mo+1/2W), 0.02 to 0.14% N and the balance Fe and unavoidable impurities, wherein the relationship of contained C, N and Cr satisfies the formulae: 25≦43.22C (%)+42.45N (%)−0.02Cr (%)<40, and 0.15 <0.92C (%)+0.67N (%)−0.03Cr (%)<0.30. | 06-24-2010 |
| 20100157860 | HIGH-FREQUENCY CIRCUIT DEVICE, AND COMMUNICATIONS APPARATUS COMPRISING SAME - A high-frequency circuit device comprising at least first and second antenna terminals, at least first and second transmitting terminals for a first communications system, at least first and second receiving terminals for a first communications system, two or more switch circuits, and two or more filter circuits, the first transmitting terminal for the first communications system being connectable to the first antenna terminal, the second transmitting terminal for the first communications system being connectable to the second antenna terminal, the first receiving terminal for the first communications system being connectable to the first antenna terminal, and the second receiving terminal for the first communications system being connectable to the second antenna terminal. | 06-24-2010 |
| 20100156733 | CHIP ANTENNA AND ITS PRODUCTION METHOD, AND ANTENNA APPARATUS AND COMMUNICATIONS APPARATUS COMPRISING SUCH CHIP ANTENNA - A chip antenna comprising a magnetic substrate comprising Z-type ferrite or Y-type ferrite as a main phase and having a through-hole extending linearly along a center axis, and a conductor penetrating the through-hole, the magnetic phase having a c-axis substantially parallel or perpendicular to the through-hole. | 06-24-2010 |
| 20100147926 | METHOD FOR OXIDE BONDING USING SOLDER ALLOY - A lead-free metal solder material capable of realizing excellent bonding strength and hermetic sealing is provided. The solder alloy is a solder alloy for bonding to an oxide, and includes 2.0-15.0 mass % of Ag, more than 0.1-6.0 mass % of Al, and the remainder is composed of Sn and some inevitable impurities. The content of Al is preferably 0.3-3.0 mass %, and more preferably 0.5-3.0 mass %. The content of Ag is preferably 3.0-13.0 mass %, more preferably more than 5.0-12.0 mass %, and most preferably 6.0-10.0 mass %. A relation between Ag and Al that fits the inequality 0<[(% Ag)−(% Al)×7.8]<10 is desirable. The solder alloy for bonding to an oxide of the present invention is used for bonding between glasses, for instance, and has excellent effects. | 06-17-2010 |
| 20100143749 | SUBSTRATE MATERIAL FOR MAGNETIC HEAD AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a substrate material for an AlTiC-based magnetic head, which is excellent in ultra-low flying-related properties as a material for a magnetic head, such as a TPC or AAB type for use as a thin-film magnetic head slider for HDD devices and a thin-film magnetic head for tape recording devices, where a flying height between a magnetic head element and a recording medium is extremely reduced, and usable in perpendicular recording heads, HAMR heads or the like. The magnetic head substrate material consists of a sintered body which contains 10 to 50 mass % of TiC | 06-10-2010 |
| 20100141242 | MAGNETIC ENCODER - To disclose a magnetic encoder being subjected to only small gap variation between a magnetic sensor element and a magnetic medium and readily assembled, and having a smaller number of components, high sliding resistance, and high stability against outside force, such as shock or the like. The magnetic sensor holding mechanism has a swirling spring plate structure having elasticity with respect to rotation around a rotation axis in a reciprocative slide relative movement direction, elasticity with respect to rotation around a rotation axis in a direction perpendicular to the reciprocative relative movement direction and in parallel to the magnetic medium, and elasticity in the direction perpendicular to the sensor element. A load between 50 mN and 80 mN is applied to press onto the magnetic medium. | 06-10-2010 |
| 20100117754 | NON-RECIPROCAL CIRCUIT DEVICE - A non-reciprocal circuit device comprising a ground plate having pluralities of external projections, a resin member having a hole through which the ground plate is exposed, a garnet plate disposed in the hole of the resin member, a microstrip line member disposed on a main surface of the garnet plate, a partition member disposed on the microstrip line member, and a permanent magnet disposed on the partition member between a pair of metal cases in this order from bottom, at least part of the external projections of the ground plate extending through the hole of the resin member over an upper surface of the partition member, and being bent to enclose the garnet plate, the microstrip line member and the partition member. | 05-13-2010 |
| 20100109468 | PERMANENT MAGNET MOTOR AND METHOD FOR MANUFACTURING SAME - A permanent magnet motor includes: a rotor and a stator; and a plurality of permanent magnets placed on either the rotor or the stator. Each permanent magnet is an R—Fe—B based rare-earth sintered magnet including a light rare-earth element RL (at least one of Nd and Pr) as a major rare-earth element R, and partially includes a high coercivity portion in which a heavy rare-earth element RH (at least one element selected from the group consisting of Dy, Ho and Tb) is diffused in a relatively higher concentration than in the other portion. | 05-06-2010 |
| 20100108196 | SOFT MAGNETIC RIBBON, MAGNETIC CORE, MAGNETIC PART AND PROCESS FOR PRODUCING SOFT MAGNETIC RIBBON - A soft magnetic ribbon that especially in a relatively low magnetic field region of 500 A/m or less, is high in the squareness of magnetic flux density-magnetization curve. There is disclosed a soft magnetic ribbon of 100 μm or less thickness comprising a parent phase structure in which by volume ratio, 30% or more of crystal grains of 60 nm or less (not including 0) crystal grain diameter are dispersed in an amorphous phase and comprising an amorphous layer disposed on the surface side of the parent phase structure. Preferably, the soft magnetic ribbon is represented by the composition formula Fe | 05-06-2010 |
| 20100098576 | IRON-BASED SOFT MAGNETIC ALLOY, THIN RIBBON OF AMORPHOUS ALLOY, AND MAGNETIC PART - An iron-based soft magnetic alloy which is for use in various transformers, various choke coils, noise suppression measures, power supply parts, laser power supplies, pulsed-power magnetic parts for accelerators, various motors, various generators, magnetic shields, antennas, sensors, etc.; a thin ribbon of an amorphous alloy for producing the magnetic alloy; and a magnetic part comprising the magnetic alloy. The magnetic alloy comprises, in terms of at. %, copper in an amount (x) satisfying 0.1≦x≦3, boron in an amount (y) satisfying 10≦y≦20, and iron and impurities as the remainder. It contains, in terms of mass %, the following impurities: up to 0.01% aluminum, 0.001-0.05% sulfur, 0.01-0.5% manganese, 0.001-0.1% nitrogen, and up to 0.1% oxygen. The magnetic alloy has a structure at least part of which comprises a crystal phase having a crystal grain diameter of 60 nm or smaller (excluding 0). | 04-22-2010 |
| 20100096783 | METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE - A process for producing a ceramic honeycomb structure containing aluminum titanate as main crystals, characterized by extruding a plastic green earth consisting of 45:55 to 55:45, in molar ratio, titania powder and alumina powder, or of 100 parts by mass of the sum of such titania powder and alumina powder mixed with 1 to 10 parts by mass of amorphous silica powder so as to form a honeycomb configuration, drying the same and firing the dried extrudate at 1300° to 1700° C. | 04-22-2010 |
| 20100092660 | RARE EARTH MAGNET AND METHOD FOR PRODUCING SAME - A rare-earth magnet includes a magnet body made of an R—Fe—B based rare-earth magnet material (where R is at least one rare-earth element) and a metal film that has been deposited on the surface of the magnet body. The magnet further includes a plurality of reaction layers between the magnet body and the metal film. The reaction layers include: a first reaction layer, which contacts with at least some of R | 04-15-2010 |
| 20100092333 | HYDROGEN-PERMEABLE ALLOY, AND HYDROGEN-PERMEABLE FILM AND ITS PRODUCTION METHOD - A hydrogen-permeable Nb—Ti—Ni alloy having a composition represented by Nb | 04-15-2010 |
| 20100086696 | METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE - A method for producing a ceramic honeycomb structure comprising applying a coating material to an outer peripheral surface of the ceramic honeycomb body to form an outer peripheral wall, the thickness of the coating material applied being determined from the outer diameter of the ceramic honeycomb body and the drying shrinkage ratio of the coating material, such that the outer diameter of the dried ceramic honeycomb structure is within a target outer size ±1.4 mm. | 04-08-2010 |
| 20100085140 | LOW-LOSS FERRITE AND ELECTRONIC DEVICE FORMED BY SUCH FERRITE - A low-loss ferrite comprising as main components 46.5-49.5% by mol of Fe | 04-08-2010 |
| 20100084056 | SOFT MAGNETIC THIN STRIP, PROCESS FOR PRODUCTION OF THE SAME, MAGNETIC PARTS, AND AMORPHOUS THIN STRIP - The invention provides a soft magnetic thin strip which contains nanoscale fine grains and exhibits a high saturation magnetic flux density and excellent soft magnetic characteristics; a process for production of the same; magnetic parts; and an amorphous thin strip to be used in the production. In the invention, an amorphous thin strip is used, which is represented by the composition formula: Fe | 04-08-2010 |
| 20100080930 | METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE - A method for producing a ceramic honeycomb structure comprising a ceramic honeycomb body having large numbers of longitudinally extending cells defined by cell walls, and an outer peripheral wall formed on an outer peripheral surface of the ceramic honeycomb body, comprising the steps of applying a coating material comprising colloidal silica having an average particle size of 4-150 nm to longitudinally extending grooves defined by cell walls on the outer peripheral surface of the ceramic honeycomb body, and induction-drying the coating material to form the outer peripheral wall. | 04-01-2010 |
| 20100075825 | SEMICONDUCTOR PORCELAIN COMPOSITION AND METHOD OF PRODUCING THE SAME - A semiconductor porcelain composition is prepared by separately preparing a composition of (BaR)TiO | 03-25-2010 |
| 20100073108 | LAMINATED BANDPASS FILTER, HIGH-FREQUENCY COMPONENT AND COMMUNICATIONS APPARATUS COMPRISING THEM - A three-stage-resonator, laminated bandpass filter comprising electromagnetically coupled first to third resonator electrodes, adjacent first and second resonator electrodes and a third resonator electrode being different in a grounding direction, and a coupling-capacitor electrode extending over resonator electrodes. | 03-25-2010 |
| 20100062727 | HIGH-FREQUENCY DEVICE AND COMMUNICATIONS APPARATUS - A high-frequency device having high-frequency-signal-treating circuits in and on a laminate substrate comprising pluralities of dielectric layers having conductor patterns, the high-frequency-signal-treating circuits having amplifier circuits and switch circuits; terminals including input and output terminals of high-frequency signals, the power supply terminals of the amplifier circuits and the power supply terminals of the switch circuits being formed on one main surface of the laminate substrate; power supply lines each having one end connected to each of the power supply terminals of the amplifier circuits and power supply lines each having one end connected to each of the power supply terminals of the switch circuits being formed on one dielectric layer to constitute a power supply line layer; a first ground electrode being arranged on the side of the main surface with respect to the power supply line layer, the first ground electrode overlapping at least part of the power supply lines in a lamination direction; a second ground electrode being arranged on the opposite side of the first ground electrode with respect to the power supply line layer, the second ground electrode overlapping at least part of the power supply lines in a lamination direction; and the high-frequency-signal-treating circuits being arranged on the opposite side of the power supply line layer with respect to the second ground electrode. | 03-11-2010 |
| 20100061071 | DC-DC CONVERTER - A DC-DC converter comprising a soft-magnetic, multi-layer substrate provided with a laminated coil constituted by connecting pluralities of conductor lines, and a semiconductor integrated circuit device comprising a switching device and a control circuit, which are mounted on the soft-magnetic, multi-layer substrate; the semiconductor integrated circuit device comprising an input terminal, an output terminal, a first control terminal for controlling the ON/OFF of the switching device, a second control terminal for variably controlling output voltage, and pluralities of ground terminals; the soft-magnetic, multi-layer substrate comprising first external terminals formed on a first main surface, first connecting wires formed on the first main surface and/or on nearby layers, second connecting wires formed between the side surface of the multi-layer substrate and a periphery of the laminated coil, and second external terminals formed on a second main surface; and terminals of the semiconductor integrated circuit device being connected to the first external terminals on the multi-layer substrate, at least part of the first external terminals being electrically connected to the second external terminals through the first and second connecting wires, and the input or output terminal being connected to the second external terminals via the laminated coil. | 03-11-2010 |
| 20100060374 | NON-RECIPROCAL CIRCUIT DEVICE AND ITS CENTRAL CONDUCTOR ASSEMBLY - A central conductor assembly for a non-reciprocal circuit device, at least a first central conductor constituting a first inductance element and a second central conductor constituting a second inductance element being integrally formed in a laminate comprising pluralities of magnetic layers, the first central conductor being formed by series-connecting first and second lines formed on a first main surface of the laminate to third lines formed in the laminate through via-holes, and the second central conductor being formed on the first main surface of the laminate such that it extends between the first and second lines and crosses the third lines via a magnetic layer. | 03-11-2010 |
| 20100060266 | MAGNETIC FIELD ANALYSIS METHOD, MAGNETIZATION ANALYSIS DEVICE, AND RECORDING MEDIUM WITH COMPUTER PROGRAM - It is possible to perform accurate magnetization analysis by considering the magnetic state of an incomplete magnetic region. A magnetization analysis device performs magnetization analysis by using a magnetizer parameter associated with a magnetizer and a magnet parameter associated with a magnet material so as to calculate a magnetization magnetic field applied to respective portions of the magnet material (S | 03-11-2010 |
| 20100059681 | FLUORESCENT MATERIAL, SCINTILLATOR USING SAME, AND RADIATION DETECTOR USING SAME | 03-11-2010 |
| 20100058725 | CERAMIC HONEYCOMB FILTER AND ITS PRODUCTION METHOD - A ceramic honeycomb filter comprising a honeycomb structure having large numbers of flow paths partitioned by porous cell walls, and plugs alternately formed in the flow paths on the exhaust-gas-inlet and outlet sides, the outlet-side plugs having porosity of 65% or less, and the upstream-side end surfaces of the outlet-side plugs having surface roughness Ra of 13-50 μm. | 03-11-2010 |
| 20100047579 | COATED, FINE METAL PARTICLES AND THEIR PRODUCTION METHOD - A method for producing coated, fine metal particles comprising the steps of mixing powder comprising TiC and TiN with powder of an oxide of a metal M meeting the relation of ΔG | 02-25-2010 |
| 20100047111 | MAGNETIC SHIELDING MATERIAL, MAGNETIC SHIELDING COMPONENT, AND MAGNETIC SHIELDING ROOM - Disclosed are: a magnetic shielding material having excellent magnetic shielding property at a low magnetic field; and a magnetic shielding component and a magnetic shielding room each using the magnetic shielding material. Specifically disclosed is a magnetic shielding material comprising the following components (by mass): Ni: 70.0-85.0%, Cu: 0.6% or less, Mo: 10.0% or less and Mn: 2.0% or less, with the remainder being substantially Fe. The magnetic shielding material has a relative magnetic permeability of 40,000 or more under a magnetic field of 0.05 A/m and a squareness ratio (Br/B | 02-25-2010 |
| 20100045411 | R-T-B SINTERED MAGNET AND METHOD FOR PRODUCING THE SAME - An R-T-B based sintered magnet includes both a light rare-earth element R | 02-25-2010 |
| 20100044910 | METHOD FOR PRODUCING CERAMIC-HONEYCOMB-STRUCTURE-MOLDING DIE AND METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE - A method for producing a die for molding a ceramic honeycomb structure, which has molding grooves arranged in a lattice pattern and apertures communicating with the molding grooves for supplying a moldable material, wherein the formation of the lattice-patterned grooves by machining is conducted by a first machining operation for forming pluralities of first parallel grooves, and a second machining operation for forming second grooves crossing the first grooves; wherein the first and second machining operations are conducted by at least 2 passes of grinding or cutting using a rotating tool; and wherein the second machining operation is conducted by up-cutting in the second pass or later, and a method for producing a ceramic honeycomb structure using such a die. | 02-25-2010 |
| 20100040503 | MAGNETIC ALLOY, AMORPHOUS ALLOY RIBBON, AND MAGNETIC PART - A soft magnetic alloy that in an FeCo nanocrystal soft magnetic material, exhibits a high saturation magnetic flux density of 1.85 T or more, and that ensures prolonged nozzle life and easy ribbon production; an amorphous alloy ribbon for use in production thereof; and magnetic parts utilizing the soft magnetic alloy. The soft magnetic alloy has the composition of the formula Fe | 02-18-2010 |
| 20100033286 | LAMINATED DEVICE - A laminated device comprising pluralities of magnetic ferrite layers, conductor patterns each formed on each magnetic ferrite layer and connected in a lamination direction to form a coil, and a non-magnetic ceramic layer formed on at least one magnetic ferrite layer such that it overlaps the conductor patterns in a lamination direction, the non-magnetic ceramic layer comprising as main components non-magnetic ceramics having higher sintering temperatures than that of the magnetic ferrite, and further one or more of Cu, Zn and Bi in the form of an oxide. | 02-11-2010 |
| 20100025884 | METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE - A method for producing a ceramic honeycomb structure comprising the steps of mixing and blending starting materials comprising ceramic materials, a molding aid and a pore-forming material to obtain a moldable material, adjusting the properties of the moldable material, and extruding the moldable material in a honeycomb shape, the type C durometer hardness (according to JIS K 7312) of the moldable material being adjusted to 16-23 in the step of adjusting the properties of the moldable material. | 02-04-2010 |
| 20100021335 | METHOD AND MACHINE OF MAKING RARE-EARTH ALLOY GRANULATED POWDER AND METHOD OF MAKING RARE-EARTH ALLOY SINTERED BODY - A method of making a rare-earth alloy granulated powder according to the present invention includes the steps of: preparing a rare-earth alloy powder; generating remnant magnetization in the powder; and granulating the powder by utilizing agglomeration force produced by the remnant magnetization of the powder. Since the agglomeration force produced by the remnant magnetization is utilized, the addition of a granulating agent may be omitted. | 01-28-2010 |
| 20100012155 | DIE-MEMBER-CLEANING METHOD AND APPARATUS - A method for cleaning a die member having molding grooves and moldable-ceramic-material-supplying holes communicating with the molding grooves, by removing a binder-containing moldable ceramic material from the die member after used for molding the moldable ceramic material, comprising the steps of spraying a high-pressure fluid to a surface of the die member on the side of moldable-material-supplying holes, and then spraying a high-pressure fluid to a surface of the die member on the side of molding grooves, thereby removing the moldable ceramic material. | 01-21-2010 |
| 20100011726 | CERAMIC HONEYCOMB FILTER AND ITS PRODUCTION METHOD - A ceramic honeycomb filter comprising a honeycomb structure having large numbers of flow paths partitioned by porous cell walls, and plugs alternately formed in the flow paths on the exhaust-gas-inlet and outlet sides, the area ratio of pores opening at the cell wall surfaces being 20% or more, porous, cross-linked structures being formed by heat-resistant particles introduced together with a gas into penetrating holes constituted by communicating pores in the cell walls, such that they clog the penetrating holes, and the cross-linked structures being formed more on the exhaust-gas-outlet side of the ceramic honeycomb filter than on the exhaust-gas-inlet side. | 01-21-2010 |
| 20100008814 | R-T-B BASED SINTERED MAGNET - An R-T-B based sintered magnet according to the present invention comprises: 12 at % to 15 at % of a rare-earth element R; at % to 8.0 at % of boron B; 0.02 at % to 0.2 at % of Mn; and a transition metal T as the balance. The rare-earth element R is at least one element selected from the rare-earth elements, including Y (yttrium), and includes 0.2 at % to 8 at % of Pr. And the transition element T includes Fe as its main element. | 01-14-2010 |
| 20100006207 | PRODUCTION METHOD OF CORDIERITE-BASED CERAMIC HONEYCOMB FILTER - A method for producing a cordierite-based ceramic honeycomb filter comprising the steps of introducing a plugging material of a cordierite-forming material into predetermined flow paths of a sintered, cordierite-based ceramic honeycomb having an outer diameter of 150 mm or more, and drying and sintering the resultant plugs, the sintering step comprising a temperature-elevating process, a temperature-keeping process and a temperature-lowering process, and the temperature-elevating process having a temperature-elevating speed of 70-500° C./hr from 800° C. to the highest keeping temperature. | 01-14-2010 |
| 20100003362 | DIE FOR MOLDING HONEYCOMB STRUCTURE, AND ITS PRODUCTION METHOD - A die having large numbers of grooves for molding a material to a honeycomb structure, wherein a surface having the grooves has an outer periphery in a polygonal shape having 6 or more corners, and wherein the grooves are crossing the outer periphery at an angle of 30° or more. | 01-07-2010 |
| 20100003160 | R-T-B BASED SINTERED MAGNET - An R-T-B based sintered magnet according to the present invention has a composition comprising: 12 at % to 15 at % of a rare-earth element R; 5.0 at % to 8.0 at % of boron B; 0.1 at % to at % of Al; 0.02 at % to less than 0.2 at % of Mn; and a transition metal T as the balance. The rare-earth element R is at least one element selected from the rare-earth elements, including Y (yttrium), and includes at least one of Nd and Pr. The transition element T includes Fe as its main element. | 01-07-2010 |
| 20100000608 | FLOW RATE CONTROL USING MASS FLOW RATE CONTROL DEVICE - It is possible to respecify the product (mass flow controller) corresponding to multiple types of actual process gases and multiple flow rate ranges, even after the mass flow controller has been shipped. With the mass flow rate control device in an initial state, calibration gas characteristic data is derived by measuring actual flow rate versus a flow rate setting signal using a calibration gas, and this calibration gas characteristic data is then saved to control unit. Meanwhile, actual gas characteristic data is derived by measuring actual flow rate versus a flow rate setting signal for each of a plurality of types of actual gas, and this actual gas characteristic data is then saved to a storage medium. Subsequently, prior to operating the mass flow rate control device, the actual gas characteristic data for an actual process gas is read from the storage medium via a computer, and the calibration gas characteristic data that was saved to the control unit is read out. The calibration gas characteristic data is then converted to controlled flow rate correction data based on the actual gas characteristic data, and the controlled flow rate correction data is saved to the control unit. Actual gas flow rate is corrected based on this controlled flow rate correction data. | 01-07-2010 |
| 20090324954 | Ceramic sintered compact and piezoelectric element - A ceramics sintered compact is provided in which a relative dielectric constant and an electromechanical coupling coefficient are improved in superior balance and which shows a relatively high piezoelectric coefficient. A ceramics sintered compact having a perovskite structure is provided in which a (002)/(200) ratio by X-ray diffraction after polarization is applied is 1.0 or greater. | 12-31-2009 |
| 20090301886 | Aluminum plated film, metallic member, and its fabrication method - A plating film is provided with enough hardness before anodic oxidation, which is hard to be damaged during handling, and also the production method of the plating film. This problem can be solved by an aluminum plating film with aluminum concentration of 98 wt. % or lower, and with a Vickers hardness of 250 or higher. Here, by containing oxygen, carbon, sulfur, and a halogen element as impurities, the hardness becomes higher. The impurity concentration is controlled by adjusting the current density, the plating temperature, or the plating bath composition. | 12-10-2009 |
| 20090295501 | DIPLEXER CIRCUIT, HIGH-FREQUENCY CIRCUIT AND HIGH-FREQUENCY MODULE - A diplexer circuit comprising a common terminal, a low-frequency-side terminal, a high-frequency-side terminal, a low-frequency-side path comprising a low-frequency filter disposed between the common terminal and the low-frequency-side terminal, and a high-frequency-side path comprising a high-frequency filter disposed between the common terminal and the high-frequency-side terminal, the low-frequency filter comprising a first transmission line series-connected to the low-frequency-side path and a capacitor parallel-connected to part of the first transmission line. | 12-03-2009 |
| 20090286120 | CASING FOR FUEL BATTERY AND FUEL BATTERY USING THE SAME - This invention provides a casing for storing MEA, which has satisfactory corrosion resistance to formic acid produced in an electrode reaction of MEA. There is also provided a casing formed of a material having the lowest possible specific gravity that can apply a suitable pushing pressure to MEA and a current collector without increasing the thickness dimension and is suitable for a power supply mounted, for example, in small portable electronic equipment. The casing is a casing for use in a fuel battery in which a hydrogen electrode, an oxygen electrode, and a film-electrode joint product formed of a proton conductive film held between the hydrogen electrode and the oxygen electrode are housed within the casing and, in removing water produced in an oxygen electrode reaction, the above water comes into contact with the casing. The casing for a fuel battery comprises a base material ( | 11-19-2009 |
| 20090277571 | TRANSFORMER CORE AND ITS MANUFACTURING METHOD - It is possible to provide a transformer core which can be mounted on a coil having both ends connected to a substrate or the like and can simplify the step for arranging an adhesive layer and suppress fluctuation of a magnetic gap. The transformer core ( | 11-12-2009 |
| 20090266448 | NANO-CRYSTALLINE, MAGNETIC ALLOY, ITS PRODUCTION METHOD, ALLOY RIBBON AND MAGNETIC PART - A magnetic alloy having a composition represented by the general formula of Fe | 10-29-2009 |
| 20090261288 | OXIDE MAGNETIC MATERIAL - An oxide magnetic material includes a ferrite with a hexagonal structure as its main phase. Metallic elements included in the oxide magnetic material are represented by the formula: | 10-22-2009 |
| 20090261255 | Fluorescent material, a method of manufacturing the fluorescent material, a radiation detector using the fluorescent material, and an X-ray CT scanner - Scintillator with both high fluorescence intensity and weak afterglow, can be offered. | 10-22-2009 |
| 20090260861 | POLYCRYSTALLINE, MAGNETIC CERAMIC MATERIAL, MICROWAVE MAGNETIC DEVICE, AND NON-RECIPROCAL CIRCUIT DEVICE COMPRISING SUCH MICROWAVE MAGNETIC DEVICE - A polycrystalline, magnetic ceramic material having a basic composition represented by the general formula of (Y | 10-22-2009 |
| 20090255425 | SCREEN PRINTING APPARATUS AND SCREEN PRINTING METHOD - The invention provides a screen printing apparatus and a screen printing method with which the separability of the printing member just after printing a print material has been improved. This invention relates to a screen printing apparatus comprising: a printing means including, a printing member with elasticity and with soft magnetism, with opening corresponding to a pattern, with a print area to which a print material is supplied and in which said opening is included, with one face which is aligned with one face of said work in predetermined positional relation, and also including a supporter supporting said printing member, a feeding means supplying the print material while pushing the print area from another face of the printing member, formed so that the upper part of the printing member can move along one direction at least, and a magnetic force generating means pulling up the printing member synchronously with the feeding means, formed behind the feeding means to cover the print area along moving direction of the feeding means. The magnetic force generating means comprises two or more magnetic domains on one face facing the printing member, and magnetic poles of adjoining the magnetic domains are opposite to each other. | 10-15-2009 |
| 20090252609 | IMPELLER FOR SUPERCHARGER AND METHOD OF MANUFACTURING THE SAME - An impeller for a supercharger cast in molds to provide excellent aerodynamic performance by eliminating parting-line corresponding parts from a hub surface and vane surfaces in each space formed of a pair of long vanes adjacent to each other an a method of manufacturing the impeller. The method comprises a step for casting the impeller in the molds. Molten metal is poured in spaces formed by radially arranging, toward a center axis, the plurality of slide molds each having a short vane-shaped bottomed groove part and a shape for the space between the pair of long vanes adjacent to each other to mold the impeller. Then, the slide molds are moved in the radial direction of the center axis while rotating for mold-releasing. Thus, the impeller for the supercharger having no parting-line corresponding parts on both the hub surface and the vane surfaces in each space formed of the pair of long vanes adjacent to each other can be provided. | 10-08-2009 |
| 20090251869 | Multilayer ceramic substrate, electronic component, and method of manufacturing multilayer ceramic substrate - A multilayer ceramic substrate in which an active element and a passive element are surface-equipped over the outermost surface on one side is provided. The multilayer ceramic substrate comprises a plurality of laminated ceramic substrate layers, a surface layer terminal electrode provided in a via hole of an outermost ceramic substrate layer on at least one side and having a surface layer via electrode and a metal plating layer deposited over an end surface of the surface layer via electrode, and a via conductor which connects the surface layer terminal electrode and circuit patterns over the ceramic substrate layer at the inside, wherein a via hole size of a surface layer terminal electrode for connection of the active element is smaller than a via hole size of a surface layer terminal electrode for connection of the passive element. | 10-08-2009 |
| 20090248213 | FLOW CONTROLLER AND TEST METHOD THEREFOR, AND FLOW CONTROL METHOD - A flow controller and a test method therefor are provided which enable testing of the flow control of a process gas passing through a fluid path during operation of semiconductor manufacturing apparatuses. While the flow control is being performed to adjust the flow rate through the fluid path to a flow rate set value, a predetermined number of pieces of test sampling information is collected and associated with the flow rate set value for storage. The test sampling information is made up of a detected flow rate value of the process gas, a detected pressure value, and valve drive control information delivered to a flow control valve mechanism. Then, coefficients of association are sequentially determined which indicate the associations of the predetermined number of detected flow rate values and pieces of valve drive control information, which are stored as the test sampling information. When the value of a coefficient of association is out of the range of predetermined threshold values, a difference is determined between the valve drive control information made available based on a newly received detected flow rate value and the reference valve drive control information obtained with reference to a valve property information table pre-registered for testing. This difference is employed as test information. | 10-01-2009 |
| 20090243774 | Magnetic field generator manufacturing method - There is provided a magnetic field generator ( | 10-01-2009 |
| 20090238712 | METHOD OF PRODUCING A SPUTTER TARGET MATERIAL - A sputter target material which is of a sintered material, wherein the sputter target material consists of 0.5 to 50 atomic % in total of at least one metal element (M) selected from the group of Ti, Zr, V, Nb and Cr, and the balance of Mo and unavoidable impurities, and has a microstructure seen at a perpendicular cross section to a sputtering surface, in which microstructure oxide particles exist near a boundary of each island of the metal element (M), and wherein the maximum area of the island, which is defined by connecting the oxide particles with linear lines so as to form a closed zone, is not more than 1.0 mm | 09-24-2009 |
| 20090237080 | MAGNETIC FIELD GENERATOR AND NUCLEAR MAGNETIC RESONANCE DEVICE PROVIDED WITH THE MAGNETIC FIELD GENERATOR - A magnetic field generator includes a magnetic circuit of an open magnetic path in which a uniform magnetic field can be generated with a simpler structure. A nuclear magnetic resonance device equipped with this magnetic filed generator is also provided. The magnetic field generator of an open magnetic path type includes: a first permanent magnet and a second permanent magnet which are arranged sequentially in a reference direction with a predetermined distance therebetween while directing the direction of magnetization in the reference direction, and a third permanent magnet and a fourth permanent magnet which are arranged sequentially between the first permanent magnet and the second permanent magnet along the reference direction while being in contact with each other or being spaced apart from each other with a predetermined distance therebetween. The direction of magnetization of the third permanent magnet has a first component parallel to the reference direction and a second component intersecting a first direction orthogonally and directed toward the region side. The direction of magnetization of the fourth permanent magnet has a first component and an inverted second component opposite to the direction of the second component and having a magnitude equal to a magnitude of the second component. | 09-24-2009 |
| 20090231073 | Magnetic Field Control Method and Magnetic Field Generator - There is provided a magnetic field generator | 09-17-2009 |
| 20090219106 | TWO-PORT ISOLATOR - A two-port isolator comprising a central conductor assembly comprising first and second central conductors disposed on a ferrite plate, the first central conductor being connected between a first input/output port and a second input/output port, and the second central conductor being connected between a second input/output port and a ground, wherein the first and second central conductors are constituted by two conductor strip patterns formed on both surfaces of an insulating substrate, wherein the conductor strip patterns are crossing at a predetermined angle with insulation, and wherein both end portions of the conductor strip patterns extend from edges of the insulating substrate and are bent to cover side surfaces of the ferrite plate. | 09-03-2009 |
| 20090218540 | ROTATING MACHINE, BONDED MAGNET, MAGNET ROLL, AND METHOD FOR PRODUCING SINTERED FERRITE MAGNET - A rotating machine comprising a sintered ferrite magnet having an M-type ferrite structure, comprising Ca, an R element that is at least one of rare earth elements and indispensably includes La, Ba, Fe and Co as indispensable elements, and having a composition represented by the formula: Ca | 09-03-2009 |
| 20090207764 | HIGH-FREQUENCY CIRCUIT, HIGH-FREQUENCY DEVICE AND COMMUNICATIONS APPARATUS - A high-frequency circuit for wireless communications selectively using a first frequency band and a second frequency band lower than the first frequency band, comprising an antenna terminal; first and second transmission terminals to which transmitting signals in the first and second frequency bands are input; first and second receiving terminals from which received signals in the first and second frequency bands are output; a diplexer circuit for branching a first-frequency-band-signal path and a second-frequency-band-signal path; a switch circuit for switching a path for a transmitting signal and a path for a received signal; a low-noise amplifier circuit disposed between the switch circuit and the second receiving terminal for amplifying a received signal in the second frequency band; and first and second filter circuits disposed between the antenna terminal and the low-noise amplifier circuit in this order from the antenna terminal, both filter circuits passing a received signal in the second frequency band but blocking a frequency band lower than the second frequency band, and the band blocked by the first filter circuit being lower than the band blocked by the second filter circuit. | 08-20-2009 |
| 20090206948 | MULTI-BAND HIGH-FREQUENCY CIRCUIT, MULTI-BAND HIGH FREQUENCY CIRCUIT COMPONENT AND MULTI-BAND COMMUNICATION APPARATUS USING SAME - A multi-band high-frequency circuit for performing wireless communications among pluralities of communication systems having different communication frequencies, comprising a high-frequency switch circuit comprising switching elements for switching the connection of pluralities of multi-band antennas to transmitting circuits and receiving circuits; a first diplexer circuit disposed between the high-frequency switch circuit and transmitting circuits for branching a high-frequency signal into frequency bands of the communication systems; a second diplexer circuit disposed between the high-frequency switch circuit and receiving circuits for branching a high-frequency signal into frequency bands of the communication systems; the first and second diplexer circuits each comprising a lower-frequency filter circuit and a higher-frequency filter circuit, a bandpass filter circuit being used as the lower-frequency filter circuit in the second diplexer circuit, or disposed between the lower-frequency filter circuit in the second diplexer circuit and the receiving circuit, the high-frequency switch circuit comprising first to fourth ports, the first port being connected to a first multi-band antenna, the second port being connected to a second multi-band antenna, the third port being connected to the first diplexer circuit, and the fourth port being connected to the second diplexer circuit; and the switching elements being controlled in an ON or OFF state to select a multi-band antenna for performing wireless communications and to switch the connection of the selected multi-band antenna to the transmitting circuit or the receiving circuit. | 08-20-2009 |
| 20090206827 | ROTATION-ANGLE-DETECTING APPARATUS, ROTATING MACHINE, AND ROTATION-ANGLE-DETECTING METHOD - A rotation-angle-detecting apparatus comprising a magnet rotor having 4 or more magnetic poles on the surface, and sensor device for detecting magnetic flux from the magnet rotor, and an electronic circuit for outputting a signal representing the rotation angle of the magnet rotor using pluralities of signals obtained from the sensor device, the sensor device having pluralities of spin-valve, giant-magnetoresistive devices for outputting two or more different phase signals from a rotating magnetic field near the rotating magnet, each spin-valve, giant-magnetoresistive device having a pinned layer and a free layer, the magnetization direction of the pinned layer being fixed, and the magnetization direction of the free layer rotating depending on a magnetic field direction, pluralities of the spin-valve, giant-magnetoresistive devices comprising a first spin-valve, giant-magnetoresistive device having a reference magnetic-field-sensing direction, and a second spin-valve, giant-magnetoresistive device having a magnetic-field-sensing direction different from that of the first spin-valve, giant-magnetoresistive device. | 08-20-2009 |
| 20090201099 | MULTI-BAND HIGH-FREQUENCY CIRCUIT, MULTI-BAND HIGH-FREQUENCY CIRCUIT COMPONENT AND MULTI-BAND COMMUNICATION APPARATUS USING SAME - A multi-band high-frequency circuit for performing wireless communications among pluralities of communication systems having different communication frequencies, comprising a high-frequency switch circuit comprising switching elements for switching the connection of pluralities of multi-band antennas to transmitting circuits and receiving circuits; a first diplexer circuit disposed between the high-frequency switch circuit and transmitting circuits for branching a high-frequency signal into frequency bands of the communication systems; a second diplexer circuit disposed between the high-frequency switch circuit and receiving circuits for branching a high-frequency signal into frequency bands of the communication systems; the first and second diplexer circuits each comprising a lower-frequency filter circuit and a higher-frequency filter circuit, a bandpass filter circuit being used as the lower-frequency filter circuit in the second diplexer circuit, or disposed between the lower-frequency filter circuit in the second diplexer circuit and the receiving circuit, the high-frequency switch circuit comprising first to fourth ports, the first port being connected to a first multi-band antenna, the second port being connected to a second multi-band antenna, the third port being connected to the first diplexer circuit, and the fourth port being connected to the second diplexer circuit; and the switching elements being controlled in an ON or OFF state to select a multi-band antenna for performing wireless communications and to switch the connection of the selected multi-band antenna to the transmitting circuit or the receiving circuit. | 08-13-2009 |
| 20090200693 | METHOD FOR PRODUCING CERAMIC HONEYCOMB FILTER - A method for producing a ceramic honeycomb filter by blending a starting material mixture comprising a ceramic material, a molding aid and a pore-forming material under a pressure of 0.12-0.5 MPa in a pressure kneader to form a moldable material for a honeycomb extrudate. | 08-13-2009 |
| 20090199633 | FLOW SENSOR AND MASS FLOW CONTROLLER USING THE SAME - A low cost, compact, high performance flow sensor that can be made small in size even for use in a large flow rate and a mass flow controller using the same are provided. The flow sensor includes a bypass passage, a sensor passage, and a bridge circuit including heat-generating resistance wires that constitute a part of the bridge circuit and are wound around the sensor passage. The flow sensor determines a total flow rate of a fluid that flows in a branched manner through the bypass passage and the sensor passage at a predetermined flow ratio. The total flow rate is determined by detecting, as an unbalance of the bridge circuit, heat transfer caused by the fluid flowing through the sensor passage and is outputted as a sensor output of the flow sensor. In the flow sensor, the bypass passage includes a plurality of fine flow passages each having a cross-section defined by a substantially linear edge and a curve in contact with the substantially linear edge. The ratio of the equivalent hydraulic diameter (d) of the fine flow passages to the common logarithm of the length (T) of the fine flow passages is 0.27 or less. The flow sensor is installed in the mass flow controller. | 08-13-2009 |
| 20090197757 | ZINC OXIDE CERAMICS AND A MANUFACTURING METHOD FOR THE SAME, A SPUTTERING TARGET - Densified zinc oxide ceramics can be obtained so that transparent electrodes with good characteristics can be obtained using the ceramics as a sputtering target. This manufacturing method is used to manufacture the zinc oxide ceramics doped with Al in ZnO. This method comprises, calcination powder production process by which calcination powder is produced after blending Al2O3 powder and a 1st ZnO powder and by calcinating them, and sintering process by which said zinc oxide ceramics are manufactured after sintering formed body composed of powder before the sintering which is made by blending said calcination powder and a 2nd ZnO powder. Here, the ceramics are manufactured not by sintering a formed body composed of Al2O3 powder and ZnO powder, but by sintering the formed body composed of the calcination powder containing ZnAl2O4 phase and ZnO powder. | 08-06-2009 |
| 20090196782 | POROUS LIQUID ABSORBING-AND-HOLDING MEMBER, PROCESS FOR PRODUCTION THEREOF, AND ALCOHOL ABSORBING-AND-HOLDING MEMBER - An object of the present invention is to provide a porous liquid absorbing-and-holding member having a high absorbing capacity for a liquid owing to capillarity and having in itself a structure capable of holding a large amount of the liquid, a process for producing this member, and a member for absorbing and holding an alcohol used as a fuel for a fuel cell. The porous liquid absorbing-and-holding member provided by the present invention is that including a porous sintered product having a skeleton formed by sintering of metal powder around voids and subjected to hydrophilicity-imparting treatment. The hydrophilicity-imparting treatment is preferably the formation of one or more substances selected from the group consisting of silicon oxides, titanium oxides, chromium oxides and aluminum oxide on the skeleton. | 08-06-2009 |
| 20090196762 | CASTING ALUMINUM ALLOY, CAST COMPRESSOR IMPELLER COMPRISING THE ALLOY, AND PROCESS FOR PRODUCING THE SAME - A casting aluminum alloy which contains, in terms of mass %, 3.2-5.0% Cu, 0.8-3.0% Ni, 1.0-3.0% Mg, 0.05-0.20% Ti, and up to 1.0% Si, the remainder being aluminum and incidental impurities. This casting aluminum alloy is used to produce a cast compressor impeller comprising a hub part, a hub-disk part extending from the hub part in the radial directions and having a hub surface and a disk surface, and blade parts disposed on the hub surface. Compared to conventional aluminum alloys, the casting aluminum alloy has a moderate elongation and a high strength at ordinary temperature and has high strength even at high temperatures. | 08-06-2009 |
| 20090194202 | MAGNETIC ALLOY AND METHOD FOR PRODUCING SAME - Disclosed is a novel process for producing an NaZn | 08-06-2009 |
| 20090189601 | MAGNETIC SENSOR AND ROTATION-ANGLE-DETECTING APPARATUS - A magnetic sensor comprising a bridge circuit in which four magnetoresistive devices are connected, the magnetoresistive device comprising a spin-valve, giant-magnetoresistive film comprising a pinned layer having unidirectional magnetic anisotropy, a free layer whose magnetization direction is rotated in alignment with an external magnetic field direction, and an intermediate layer sandwiched by the pinned layer and the free layer, and at least one of the magnetoresistive devices meeting the condition of 36°≦θ<45°, wherein θ is an acute angle between its longitudinal direction and the magnetization direction of the pinned layer. | 07-30-2009 |
| 20090167454 | Non-Reciprocal Circuit Device - A non-reciprocal circuit device comprising a first inductance element disposed between a first input/output port and a second input/output port; a second inductance element disposed between the second input/output port and the ground; a first capacitance element constituting a first parallel resonance circuit with the first inductance element; a resistance element parallel-connected to the first parallel resonance circuit; a third inductance element series-connected between the second inductance element and the ground; and a second capacitance element constituting a second parallel resonance circuit with the second and third inductance elements. | 07-02-2009 |
| 20090145524 | Magnetic Core and Applied Product Making Use Of The Same - A magnetic core making use of an Fe-based amorphous alloy ribbon that simultaneously attains miniaturization and noise reduction through realization of high B | 06-11-2009 |
| 20090142543 | CERAMIC HONEYCOMB STRUCTURE AND METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE - A ceramic honeycomb structure having porous cell walls defining large numbers of flow paths, the cell walls having porosity of 55-70%, an average pore diameter of 10-40 μm, a concave area ratio CR (projected area ratio of portions lower than an average surface determined from cell wall surface roughness by a least square method) of 0.32-0.6, and an average concave depth H | 06-04-2009 |
| 20090129966 | IRON-BASED RARE-EARTH-CONTAINING NANOCOMPOSITE MAGNET AND PROCESS FOR PRODUCING THE SAME - An iron-based rare-earth nanocomposite magnet according to the present invention includes an Nd | 05-21-2009 |
| 20090127494 | RARE EARTH ALLOY BINDERLESS MAGNET AND METHOD FOR MANUFACTURE THEREOF - A method for producing a rare-earth alloy based binderless magnet according to the present invention includes the steps of: (A) providing a rapidly solidified rare-earth alloy magnetic powder; and (B) compressing and compacting the rapidly solidified rare-earth alloy magnetic powder by a cold process without using a resin binder, thereby obtaining a compressed compact, 70 vol % to 95 vol % of which is the rapidly solidified rare-earth alloy magnetic powder. | 05-21-2009 |
| 20090120540 | COLD DIE STEEL EXCELLENT IN CHARACTERISTIC OF SUPPRESSING DIMENSIONAL CHANGE - A cold die steel excellent in the characteristic of suppressing dimensional change, which has a chemical composition in mass %: C: 0.7% or more and less than 1.6%, Si: 0.5 to 3.0%, Mn: 0.1 to 3.0%, P: less than 0.05% including 0%, S: 0.01 to 0.12%, Cr: 7.0 to 13.0%, one or two elements selected from the group consisting of Mo and W: amounts satisfying the formula (Mo+(W/2))=0.5 to 1.7%, V: less than 0.7% including 0, Ni: 0.3 to 1.5%, Cu: 0.1 to 1.0% and Al: 0.1 to 0.7%. Preferably, the die steel satisfies the formula in mass %: Ni/Al=1 to 3.7. It is preferred that the die steel also satisfies the following formula in mass %: (Cr−4.2×C)=5 or less and (Cr−6.3×C)=1.4 or more and that it contains 0.3% or less of Nb. | 05-14-2009 |
| 20090117520 | IMPLANT KEEPER AND ITS ASSEMBLY, AND KEEPER-FIXING METHOD - A keeper for an implant comprising a keeper body made of a soft-magnetic material, which has a recess for receiving an abutment head having an internally threaded hole, and an internally threaded hole extending along its center axis in communication with the recess, and a screw member threadably engageable with the internally threaded holes of the keeper body and the abutment, whereby the keeper body is tightly fastened to the abutment by tension exerted by the screw member threadably engaging the internally threaded holes of the keeper body and the abutment. | 05-07-2009 |
| 20090114304 | FLEXIBLE PIPE - The formation of a resin layer, a metal layer and an insulating resin layer on an outer surface of a corrugated metal pipe for flowing a fluid provides a flexible pipe, whose corrugated metal pipe does not suffer from having apertures even with spark discharge by induced lightning. | 05-07-2009 |
| 20090110588 | STAINLESS STEEL HAVING A HIGH HARDNESS AND EXCELLENT MIRROR-FINISHED SURFACE PROPERTY, AND METHOD OF PRODUCING THE SAME - Disclosed is a stainless steel containing, by mass, 0.05% or less carbon, 1.5 to smaller than 3.5% Si, 3.0% or less Mn, 6.0 to 12.0% Cr, 4.0 to 10.0% Ni, 10.0% or less Co, 6.0% or less Cu, 0.5 to 3.0% Ti, 0 to 2.0% Al, less than 0.4% Mo, not more than 0.01% nitrogen, and the balance of Fe and unavoidable impurities. Preferably, it has a hardness of not lower than 59 HRC and may contain not more than 1.0% Nb and/or not more than 1.0% Ta. Alternatively, the stainless steel may further contain not more than 0.1% of Zr. The process for producing the steel includes producing a steel having a composition as described above by a consumable electrode remelting process, and then subjecting the steel to a solution treatment at a temperature of 1000 to 1150° C. and an aging treatment at a temperature of 400 to 550° C., thereby aging the stainless steel to a hardness of not lower than 59 HRC. | 04-30-2009 |
| 20090103272 | DC-DC CONVERTER - A DC-DC converter comprising a soft-magnetic, multi-layer substrate provided with a laminated coil constituted by connecting pluralities of conductor lines, and a semiconductor integrated circuit device comprising a switching device and a control circuit, which are mounted on the soft-magnetic, multi-layer substrate; the semiconductor integrated circuit device comprising an input terminal, an output terminal, a first control terminal for controlling the ON/OFF of the switching device, a second control terminal for variably controlling output voltage, and pluralities of ground terminals; the soft-magnetic, multi-layer substrate comprising first external terminals formed on a first main surface, first connecting wires formed on the first main surface and/or on nearby layers, second connecting wires formed between the side surface of the multi-layer substrate and a periphery of the laminated coil, and second external terminals formed on a second main surface; and terminals of the semiconductor integrated circuit device being connected to the first external terminals on the multi-layer substrate, at least part of the first external terminals being electrically connected to the second external terminals through the first and second connecting wires, and the input or output terminal being connected to the second external terminals via the laminated coil. | 04-23-2009 |
| 20090101392 | CIRCUIT BOARD AND SEMICONDUCTOR MODULE USING THIS, PRODUCTION METHOD FOR CIRCUIT BOARD - An object of this invention is to get a circuit board and a semiconductor module with high endurance against thermal cycles, and which is hard to be broken under thermal cycles, even if thick metal circuit board and thick metal heat sink are used, corresponding to high power operation of semiconductor chip. This circuit board comprises, an insulating-ceramic substrate, a metal circuit plate bonded to one face of the insulating-ceramic substrate, a metal heat sink bonded to another face of the insulating-ceramic substrate, wherein (t | 04-23-2009 |
| 20090092852 | CENTRIFUGALLY CAST COMPOSIT ROLL - A centrifugally cast composite roll comprising an outer layer having a composition comprising by mass 2.5-9% of C, 0.1-3.5% of Si, 0.1-3.5% of Mn, and 11-40% of V, the balance being Fe and inevitable impurities; an intermediate layer made of a high-speed steel alloy, which is formed inside the outer layer; and an inner layer made of cast iron or steel, which is formed inside the intermediate layer. | 04-09-2009 |
| 20090085416 | YOKE-INTEGRATED BONDED MAGNET AND MAGNET ROTATOR FOR MOTOR USING THE SAME - This invention provides a soft magnetic yoke-integrated bonded magnet in which a soft magnetic yoke has been integrally compression molded in such a state that the soft magnetic yoke is engaged in a joined face formed by bringing a binding material-containing magnetic powder into contact with a binding material-containing soft magnetic powder. The soft magnetic yoke part and the bonded magnetic part are constructed so that, when the soft magnetic yoke part and the bonded magnet part are compression molded separately from each other, the spring back level is identical upon the release of the compression force. | 04-02-2009 |
| 20090076324 | MAGNETIC FIELD CONTROL METHOD AND MAGNETIC FIELD GENERATOR - There is provided a magnetic field control method and a magnetic field generator which are capable of moving a local maximum point of magnetic field intensity on a predetermined plane easily to any given point within a predetermined area on the predetermined plane. A magnetic field generator | 03-19-2009 |
| 20090072431 | METHOD FOR PRODUCING CERAMIC HONEYCOMB FILTER - A method for producing a ceramic honeycomb filter by immersing an end surface of a ceramic honeycomb structure having a lot of flow paths partitioned by cell walls in a plugging material slurry in a container to introduce the plugging material slurry into the predetermined flow paths to form plugs, and taking the ceramic honeycomb structure provided with the plugs out of the container horizontally. | 03-19-2009 |
| 20090068498 | MATERIAL OF CERAMIC SUBSTRATE FOR THIN-FILM MAGNETIC HEAD - A ceramic substrate material has good thermal conductivity and machinability, which are high enough to apply it to thin-film magnetic heads, and low particle generation. A ceramic substrate material for a thin-film magnetic head includes 25 vol % to 70 vol % of WC and the balance consisting essentially of Al | 03-12-2009 |
| 20090065100 | Amorphous Alloy Ribbon, Nanocrystalline Soft Magnetic Alloy and Magnetic Core Consisting of Nanocrystalline Soft Magnetic Alloy - Even if produced from a broad amorphous alloy ribbon, a nano crystal soft magnetic alloy, a magnetic core made of a nano crystal soft magnetic alloy, and the amorphous alloy ribbon for a nano crystal soft magnetic alloys which has the excellent alternate magnetic property, the small dispersion, the excellent temporal stability in high temperature, the excellent mass productivity can be provided. | 03-12-2009 |
| 20090064670 | EXHAUST MANIFOLD MADE OF HEAT-RESISTANT CAST STEEL - An exhaust manifold made of heat-resistant cast steel comprising pluralities of flanges each having a hole connected to each exhaust port of a cylinder head of an engine with bolts, pluralities of ports connected to the flanges, and a convergence portion in which the ports are converging, the thickness of the flanges being 80-150% of that of the ports. | 03-12-2009 |
| 20090057605 | FINE, COATED METAL PARTICLES AND THEIR PRODUCTION METHOD - A method for producing fine, coated metal particles comprising the steps of mixing Ti-containing powder except for Ti oxide powder with oxide powder of a metal M, an M oxide having a standard free energy of formation meeting the relation of ΔG | 03-05-2009 |
| 20090051476 | LAMINATE DEVICE AND MODULE COMPRISING SAME - The laminate device of the present invention comprises magnetic layers and coil patterns alternately laminated, the coil patterns being connected in a lamination direction to form a coil, and pluralities of magnetic gap layers being disposed in regions in contact with the coil patterns. | 02-26-2009 |
| 20090050990 | SEMICONDUCTOR SENSOR DEVICE AND METHOD FOR MANUFACTURING SAME - Provided is a semiconductor sensor device which is manufactured by an MEMS technology wherein machining technology and/or material technology is combined with semiconductor technology for detecting and measuring various physical quantities. In the semiconductor sensor device, cracks which generate in a cap chip and a molding resin are eliminated and air-tightness between a semiconductor sensor chip and the cap chip is ensured. The cracks due to vibration applied when being cut can be eliminated by having the circumference side surface of the cap chip as a wet-etched surface. Furthermore, insulation is ensured by coating the cap chip side surface with an insulating protection film. | 02-26-2009 |
| 20090045884 | NON-RECIPROCAL CIRCUIT DEVICE - A non-reciprocal circuit device comprising a first inductance element L | 02-19-2009 |
| 20090039477 | SILICON NITRIDE SUBSTRATE, A MANUFACTURING METHOD OF THE SILICON NITRIDE SUBSTRATE, A SILICON NITRIDE WIRING BOARD USING THE SILICON NITRIDE SUBSTRATE, AND SEMICONDUCTOR MODULE - In the silicon nitride substrate concerning an embodiment of the invention, degree of in-plane orientation fa of β type silicon nitride is 0.4-0.8. Here, degree of in-plane orientation fa can be determined by the rate of the diffracted X-ray intensity in each lattice plane orientation in β type silicon nitride. As a result of research by the inventors, it turned out that both high fracture toughness and high thermal conductivity are acquired, when degree of in-plane orientation fa was 0.4-0.8. Along the thickness direction, both the fracture toughness of 6.0 MPa·m | 02-12-2009 |
| 20090035603 | METHOD FOR PRODUCING RARE EARTH METAL-BASED PERMANENT MAGNET HAVING COPPER PLATING FILM ON SURFACE THEREOF - An objective of the invention is to provide a method for producing a rare earth metal-based permanent magnet having on the surface thereof a copper plating film by using a novel plating solution for use in a copper electroplating treatment capable of forming a copper plating film having excellent adhesiveness on the surface of a rare earth metal-based permanent magnet. As a means for solving the problem, the method for producing a rare earth metal-based permanent magnet having a copper plating film on the surface thereof according to the invention is characterized in that the production method comprises forming a copper plating film on the surface of the rare earth metal-based permanent magnet by applying a copper electroplating treatment using a plating solution whose pH is adjusted to a range from 9.0 to 11.5 and containing at least: (1) Cu | 02-05-2009 |
| 20090035562 | HIGH-THERMAL-CONDUCTIVITY GRAPHITE-PARTICLES-DISPERSED-COMPOSITE AND ITS PRODUCTION METHOD - A graphite-particles-dispersed composite produced by compacting graphite particles coated with a high-thermal-conductivity metal such as silver, copper and aluminum, the graphite particles having an average particle size of 20-500 μm, the volume ratio of the graphite particles to the metal being 60/40-95/5, and the composite having thermal conductivity of 150 W/mK or more in at least one direction. | 02-05-2009 |
| 20090032147 | R-Fe-B MICROCRYSTALLINE HIGH-DENSITY MAGNET AND PROCESS FOR PRODUCTION THEREOF - An R—Fe—B based rare-earth alloy powder with a mean particle size of less than about 20 μm is provided and compacted to make a powder compact. Next, the powder compact is subjected to a heat treatment at a temperature of about 550° C. to less than about 1,000° C. within hydrogen gas, thereby producing hydrogenation and disproportionation reactions (HD processes). Then, the powder compact is subjected to another heat treatment at a temperature of about 550° C. to less than about 1,000° C. within either a vacuum or an inert atmosphere, thereby producing desorption and recombination reactions and obtaining a porous material including fine crystal grains, of which the density is about 60% to about 90% of their true density and which have an average crystal grain size of about 0.01 μm to about 2 μm (DR processes). Thereafter, the porous material is subjected to yet another heat treatment at a temperature of about 750° C. to less than about 1,000° C. within either the vacuum or the inert atmosphere, thereby further increasing its density to about 93% or more of their true density and making an R—Fe—B based microcrystalline high-density magnet. | 02-05-2009 |
| 20090031803 | FALL DETECTING METHOD AND FALL DETECTING DEVICE - A fall detecting method and a device for detecting a fall with high accuracy even when an object touches a human or a thing while falling. The fall detecting device comprises output detecting means for generating an acceleration detection output after comparing the magnitude of acceleration detected by a three-axis acceleration sensor with a certain threshold, output interruption correcting means for generating an output interruption corrected acceleration output which is corrected for an interruption when a fall acceleration output recovers within a first predetermined time after the fall acceleration output interrupts, and output continuation time judging means for generating a fall judgment output when the output interruption corrected acceleration output continues for a second predetermined time longer than the first predetermined time. | 02-05-2009 |
| 20090025349 | CERAMIC HONEYCOMB FILTER - A ceramic honeycomb filter comprising a honeycomb structure having a large number of flow paths partitioned by porous cell walls; and plugs formed in the flow paths alternately on the exhaust gas inlet and outlet sides; the thickness W (mm) and permeability κ (μm | 01-29-2009 |
| 20090022992 | OXIDE-TYPE, MAGNETIC MATERIAL AND ITS PRODUCTION METHOD, AND SINTERED FERRITE MAGNET AND ITS PRODUCTION METHOD - A sintered ferrite magnet having an M-type ferrite structure and comprising Ca, an R element which is at least one rare earth element indispensably including La, Ba, Fe and Co as indispensable elements, which is represented by Ca | 01-22-2009 |
| 20090020193 | RARE EARTH SINTERED MAGNET AND PROCESS FOR PRODUCING THE SAME - In a process of producing an R—Fe—B based rare-earth sintered magnet, first, an R—Fe—B based sintered magnet, including, as a main phase, R | 01-22-2009 |
| 20090017772 | MULTIBAND HIGH-FREQUENCY CIRCUIT, MULTIBAND HIGH-FREQUENCY CIRCUIT DEVICE AND MULTIBAND COMMUNICATIONS APPARATUS COMPRISING SAME - A multiband high-frequency circuit comprising a first switch SPDT | 01-15-2009 |
| 20090011201 | Conductive Paste, Multilayer Ceramic Substrate and Its Production Method - A conductive paste comprising 88-94% by mass of Ag powder having an average particle size of 3 μm or less and 0.1-3% by mass of Pd powder, the total amount of the Ag powder and the Pd powder being 88.1-95% by mass. A multilayer ceramic substrate obtained by laminating and sintering pluralities of ceramic green sheets, and having conductor patterns and via-conductors inside, the via-conductors being formed in via-holes having diameters of 150 μm or less after sintering, containing Ag crystal particles having a particle size of 25 μm or more, and having a porosity of 10% or less. | 01-08-2009 |
| 20090008830 | Method for Producing Ceramic Honeycomb Filter - A method for producing a ceramic honeycomb filter having large numbers of flow paths partitioned by cell walls, the flow paths having plugs at positions separate from an end surface of the honeycomb filter, comprising the steps of introducing a base-forming material into the flow paths on one end surface side, charging a plug-forming material into flow paths to be provided with plugs from the other end surface side, and sintering it. | 01-08-2009 |
| 20080316111 | Antenna, antenna apparatus, and communication device - An antenna is provided which includes a first antenna element having at least one base and a conductor penetrating through the base and a second antenna element having a conductor portion having a shape of a plate or a line and a connecting conductor, wherein a first end of the conductor of the first antenna element is connected to the connecting conductor of the second antenna element, and the connecting conductor of the second antenna element is connected to a partway on the conductor portion of the second antenna element. | 12-25-2008 |
| 20080286595 | R-Fe-B Rare Earth Sintered Magnet and Method for Producing Same - In a method for producing an R—Fe—B based rare-earth sintered magnet according to the present invention, first, provided is an R—Fe—B based rare-earth sintered magnet body including, as a main phase, crystal grains of an R | 11-20-2008 |
| 20080274009 | R-T-B BASED SINTERED MAGNET - An R-T-B based sintered magnet according to the present invention comprises: 12 at % to 17 at % of a rare-earth element R; 5.0 at % to 8.0 at % of boron B; 0.02 at % to 0.2 at % of Mn; and a transition metal T as the balance. The rare-earth element R is at least one element selected from the rare-earth elements, including Y (yttrium), and includes 0.2 at % to 8 at % of Pr. And the transition element T includes Fe as its main element. | 11-06-2008 |
