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TAIYO YUDEN CO., LTD.

TAIYO YUDEN CO., LTD. Patent applications
Patent application numberTitlePublished
20120134075ELECTROCHEMICAL DEVICE - In an exemplified lithium ion capacitor, a negative electrode 05-31-2012
20120126913DUPLEXER - A duplexer with a reduced filter loss is provided. The duplexer includes two or more filters F05-24-2012
20120126912DUPLEXER - A duplexer includes: an insulation substrate having an upper surface on which a transmission filter and a reception filter are mounted, and a lower surface on which a foot pad layer electrically connected to the transmission filter and the reception filter is formed; a transmission pad provided on the upper surface and electrically connected to the transmission filter; a reception pad provided on the upper surface and electrically connected to the reception filter, a ring-shaped electrode provided on the upper surface and configured to surround the transmission pad and the reception pad; a ground foot pad included in the foot pad layer, and a via interconnection configured to electrically interconnect the ring-shaped electrode and the ground foot pad and to be provided in the ring-shaped electrode in a section along a shorter one of routes that connect the transmission pad and the reception pad to each other along the ring-shaped electrode.05-24-2012
20120119871COIL-TYPE ELECTRONIC COMPONENT AND ITS MANUFACTURING METHOD - A coil-type electronic component has a coil inside or on the surface of its base material and is characterized in that: the base material is constituted by a group of grains of a soft magnetic alloy containing iron, silicon and other element that oxidizes more easily than iron; the surface of each soft magnetic alloy grain has an oxide layer formed on its surface as a result of oxidization of the grain; this oxide layer contains the other element that oxidizes more easily than iron by a quantity larger than that in the soft magnetic alloy grain; and grains are bonded with one another via this oxide layer.05-17-2012
20120119849ACOUSTIC WAVE DEVICE - An acoustic wave device includes a supporting substrate made of lithium tantalate, an element substrate made of lithium tantalate, and having a lower surface bonded to and arranged on an upper surface of the supporting substrate, and a comb-like electrode formed on an upper surface of the element substrate and exciting an acoustic wave. A propagation direction of the acoustic wave in the element substrate is an X-axis of the acoustic wave. A normal direction of the upper surface of the supporting substrate is an X-axis or a Y-axis of the supporting substrate. The propagation direction of the acoustic wave is not parallel to a Z-axis of the supporting substrate.05-17-2012
20120119847FILTER CIRCUIT, DUPLEXER AND RF MODULE - A filter circuit includes a filter part connected between an input terminal and an output terminal and configured to have a passband, and a path connected in parallel with the filter part between the input terminal and the output terminal, the path having an impedance that enables a first signal passing through the path from the input terminal to the output terminal and a second signal passing through the filter part from the input terminal to the output terminal to have an opposite phase relationship in a frequency band outside of the passband and have almost equal amplitudes in the frequency band.05-17-2012
20120113566ELECTROCHEMICAL DEVICE - Provided is an electrochemical device which is capable of suppressing problems affecting the capacitor element as a whole, such as a drop in its voltage resistance characteristics and shortening of its life. The capacitor element (05-10-2012
20120112854DUPLEXER AND ELECTRONIC DEVICE HAVING THE SAME - In one aspect of the invention, a duplexer including a multilayer substrate with multiple stacked layers and a back surface with a rectangular shape is disclosed. An antenna terminal, a transmission terminal, a reception terminal, a ground terminal, and a conductor are provided in various positions on the multilayer substrate for improved performance.05-10-2012
20120112046Visible Light Receiver Circuit - A visible light receiver circuit, which reduces the influence of ambient light, has a simple configuration, and generates low noise, is provided. The visible light receiver circuit includes a photoelectric conversion unit. The photoelectric conversion unit includes a photodiode having a cathode connected to a power source, a resistor connected in series to an anode of the photodiode, and a nonlinear resistive circuit connected in parallel to the resistor. The nonlinear resistive circuit includes, for example, a series circuit including a Zener diode and a resistor.05-10-2012
20120105298ACOUSTIC WAVE FILTER - A configuration that reduces a parasitic capacitance between wires is achieved at a low cost. Disclosed is an acoustic wave filter provided with a piezoelectric substrate 05-03-2012
20120104900ACOUSTIC WAVE DEVICE - An acoustic wave device includes: a first piezoelectric thin film resonator including a first lower electrode, a first upper electrode and a first piezoelectric film sandwiched between the first lower and upper electrodes; a decoupler film provided on the first upper electrode; and a second piezoelectric thin film resonator provided on the decoupler film and including a second lower electrode, a second upper electrode and a second piezoelectric film sandwiched between the second lower and upper electrodes, wherein the first piezoelectric film and the second piezoelectric film comprise aluminum nitride and include an element increasing a piezoelectric constant of the aluminum nitride.05-03-2012
20120098626DISTRIBUTED CONSTANT CIRCUIT - A distributed constant circuit includes a plurality of insulator layers including a first insulator layer that contains a first transmission line formed into a rectangular ring of less than one turn, a second insulator layer that contains a second transmission line which is electrically connected to the first transmission line through an inter-layer connection conductor, and which is formed into a rectangular ring of less than one turn, and a third insulator layer containing a ground electrode. In the distributed constant circuit, a rectangular spiral circuit pattern including the first transmission line and the second transmission line is formed by laminating the plurality of insulator layers. The second transmission line includes a side which is located in parallel with at least one side of the first transmission line, the sides parallel with each other are arranged so as not to overlap in the lamination direction of the plurality of the insulator layers, and at least one corner of at least one of the first transmission line and the second transmission line is formed so that the inner circumference and the outer circumference of the corner are concentric circular arcs.04-26-2012
20120040231ELECTROCHEMICAL DEVICE AND MANUFACTURING METHOD THEREOF - Provide an electrochemical device offering a large capacity per current collector and a low internal resistance, which is also easy to assemble. Provided is a laminated sheet body 02-16-2012
20120038449COIL-TYPE ELECTRONIC COMPONENT AND ITS MANUFACTURING METHOD - A coil-type electronic component has a coil inside or on an outer surface of its base material and is characterized in that: the base material is constituted by a group of grains of a soft magnetic alloy containing iron, silicon and other element that oxidizes more easily than iron; the surface of each soft magnetic alloy grain has an oxide layer formed on its surface as a result of oxidization of the grain; the oxide layer contains the other element that oxidizes more easily than iron by a quantity larger than that in the soft magnetic alloy grain; and grains are bonded with one another via the oxide layer.02-16-2012
20120018842SWITCHING ELEMENT, VARIABLE INDUCTOR, AND ELECTRONIC CIRCUIT DEVICE HAVING CIRCUIT CONFIGURATION INCORPORATING THE SWITCHING ELEMENT AND THE VARIABLE INDUCTOR - An inexpensive variable inductor has inductance value continuously changeable without reducing a Q value. When a control voltage is applied to a control terminal of a MOS transistor from a power supply, a continuity region is formed in a channel, and a region between main terminals becomes conductive. When the control voltage is changed, length of the continuity region in the channel is changed. This changes length of a path area of an induced current, flowing in an induced current film. Thus, the amount of induced current is increased or decreased. Therefore, when the control voltage of the MOS transistor is changed, the inductance value of the coil is continuously changed.01-26-2012
20120017408METHOD OF MANUFACTURING CAPACITOR ELEMENT - A capacitor element includes a pair of conductive layer, a plurality of first electrodes and second electrodes, and insulation caps for insulating these electrodes from the conductive layers. By anodizing a metal substrate in two stages, holes filled with the first electrodes and holes filled with the second electrodes are randomly distributed.01-26-2012
20120007635SEMICONDUCTOR DEVICE - FPGAs and MPLDs, which are conventional programmable semiconductor devices, have had poor cost performance and did not suitably take long signal lines into account. To solve this, a flip-flop is built into each MLUT block comprised of a plurality of MLUTs, each MLUT comprising a memory and an address-data pair. With respect to the adjacent line between adjacent MLUTs, alternated adjacent line are introduced, while in the case of interconnects between non-adjacent MLUTs, dedicated distant line and, furthermore, a torus interconnect network are provided.01-12-2012
20110313749CIRCUIT CONSTANT ANALYSIS METHOD AND CIRCUIT SIMULATION METHOD OF EQUIVALENT CIRCUIT MODEL OF MULTILAYER CHIP INDUCTOR - The occurrence of errors between circuit design using a circuit simulator and the actual circuit performance is quite adequately suppressed. Mutual inductance (Lm) between direct current inductance (L12-22-2011
20110307235EQUIVALENT CIRCUIT MODEL FOR MULTILAYER CHIP CAPACITOR, CIRCUIT CONSTANT ANALYSIS METHOD, PROGRAM, DEVICE, AND CIRCUIT SIMULATOR - Improved equivalent circuits and circuit analysis using the same for a multiplayer capacitor are provided. In one aspect, the equivalent series capacitance C and part of the equivalent series resistance R of a basic equivalent circuit for a multiplayer chip capacitor are replaced with a capacitance CO, and capacitances Cm and C12-15-2011
20110304200AUXILIARY BICYCLE POWER SUPPLY SYSTEM - An auxiliary bicycle power supply system is provided that basically includes a bicycle power generating portion and an auxiliary power supply portion. The auxiliary power supply portion operates by power from the bicycle power generating portion. The auxiliary power supply portion is configured to supply power generated by the bicycle power generating portion to an electrical bicycle component based on a power supply situation from a main bicycle power supply.12-15-2011
20110303471BICYCLE HUB WITH INTEGRATED MOTOR - A bicycle hub comprises a hub axle, a motor case and an integrated motor. The hub axle has a pair of frame attachment ends. The motor case is mounted on the hub axle such that the bicycle frame attachment ends protrude out of opposite axial ends of the motor case. The motor case including a recessed portion that is configured to receive a bicycle frame that is mounted to the bicycle frame attachment ends of the hub axle. The integrated motor is operatively mounted between the hub axle and the motor case.12-15-2011
20110285249PIEZOLELECTRIC SOUND-GENERATING DEVICE - Provided is a piezoelectric sound generating device capable of obtaining a stable connection state of lead-out conductors constituted of a conductive resin layer. A piezoelectric sound generating device 11-24-2011
20110267167COIL-TYPE ELECTRONIC COMPONENT AND ITS MANUFACTURING METHOD - A coil-type electronic component has a coil inside or on the surface of its base material and is characterized in that: the base material is constituted by a group of grains of a soft magnetic alloy containing iron, silicon and other element that oxidizes more easily than iron; the surface of each soft magnetic alloy grain has an oxide layer formed on its surface as a result of oxidization of the grain; this oxide layer contains the other element that oxidizes more easily than iron by a quantity larger than that in the soft magnetic alloy grain; and grains are bonded with one another via this oxide layer.11-03-2011
20110267155FILTER ELEMENT, DUPLEXER AND ELECTRONIC DEVICE - A filter element includes a plurality of multilayer filters that are connected in cascade, each of the plurality of multilayer filters including a plurality of piezoelectric thin-film resonators stacked vertically, each of the piezoelectric thin-film resonators including a piezoelectric film and a pair of first electrodes between which the piezoelectric film is interposed, and a capacitor connected between an input terminal of one of the plurality of multilayer filters of a preceding stage and an input terminal of another one of the plurality of multilayer filters of a following stage, exciting directions of piezoelectric thin-film resonators to which the input terminals of the multilayer filters of the preceding and following stages are connected being opposite to each other.11-03-2011
20110254639DUPLEXER AND ELECTRONIC DEVICE - A ladder type filter includes series resonators connected in series between an input terminal and an output terminal, parallel resonators connected in parallel between the input terminal and the output terminal, a resonator connected in series with the series resonators between the input terminal and the output terminal, the resonator having a resonance frequency lower than resonance frequencies of the series resonators, and an inductor connected in parallel with the resonator. According to the present ladder filter, signals having frequencies away from the pass band can be suppressed by an attenuation pole formed by the inductor. it is further possible to suppress the insertion loss in the pass band by the resonator.10-20-2011
20110252615METHOD OF MANUFACTURING CAPACITOR ELEMENT - There are provided a porous plate dielectric substance, pillar-shaped electrodes respectively formed in pores belonging to a first group and pores belonging to a second group alternately arranged on the dielectric substance, insulator layers made of an organic insulator formed on tips of pillar-shaped electrodes in the pores of the first and second groups so as to fill the pores and hide electrodes respectively provided on one principal surface and another principal surface of the dielectric substance and connected to base ends of the pillar-shaped electrodes.10-20-2011
20110246120EQUIVALENT CIRCUIT OF INDUCTANCE ELEMENT, METHOD OF ANALYZING CIRCUIT CONSTANT, CIRCUIT CONSTANT ANALYSIS PROGRAM, DEVICE FOR ANALYZING CIRCUIT CONSTANT, CIRCUIT SIMULATOR - The present invention provides an equivalent circuit, circuit constant analysis method, circuit constant analysis program, circuit constant analysis device, and circuit simulator for an inductance element that are capable of good approximation of characteristics even in the band region greater than or equal to the resonance frequency. To a parallel circuit of an inductance Ls, a capacitance Cp, and a resistance Rp, added are another capacitance Cr, which is connected in series to the resistance Rp, another inductance Lr, which is connected in parallel to the resistance Rp, another resistance Rs, which is connected in series to the parallel circuit, a first closed circuit, which is magnetically coupled with the inductance Ls with a coupling coefficient k10-06-2011
20110244164DYE FOR OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION RECORDING MEDIUM - Provided is an optical information recording medium employing an In-Groove recording system, and having a preferable recording characteristic with a high modulation degree and low jitter characteristics. The medium is comprised of a circular-disk shaped substrate 10-06-2011
20110241800ELASTIC WAVE DEVICE AND METHOD FOR MANUFACTURING THE SAME - A method of manufacturing an elastic wave device is provided with a lamination step of forming, on a substrate (10-06-2011
20110227807FILTER, DUPLEXER AND ELECTRONIC DEVICE - A ladder type filter includes series resonators S09-22-2011
20110203836PRINTED WIRING BOARD AND METHOD FOR MANUFACTURING SAME - Disclosed is a printed wiring board offering improved reliability through increased mechanical strength at the bottom of cavity areas for mounting components. A printed wiring board 08-25-2011
20110193194THIN FILM MIM CAPACITORS AND MANUFACTURING METHOD THEREFOR - Proposed are thin film MIM capacitors with which deterioration of insulating properties and leakage current properties can be sufficiently inhibited. Also proposed is a manufacturing method for the thin film MIM capacitors. For the thin film MIM capacitor (08-11-2011
20110176254ELECTROCHEMICAL DEVICE - Provided is an electrochemical device applicable to high-temperature reflow soldering wherein a lead-free solder is used. An electric double layer capacitor (07-21-2011
20110171806Integrated electronic device and method of making the same - An integrated electronic device includes a substrate, passive components, pads for external connection, and three-dimensional wiring. The passive components includes a multi-stage coil inductor provided on the substrate. The multi-stage coil inductor has a plurality of coils disposed in several layers. Mutually adjacent coil wires are spaced-apart from each other. The three-dimensional wiring includes a first wiring portion which extends on the substrate, a second wiring portion which extends off the substrate but along the substrate, and a third wiring portion connecting with the first wiring portion and the second wiring portion.07-14-2011
20110164884VISIBLE LIGHT COMMUNICATION TRANSMITTER AND VISIBLE LIGHT COMMUNICATION SYSTEM - Visible light data communication with a sufficient transmission speed is performed using a general-purpose and cost-advantageous blue-light-excitation-type white LED without using a blue color filter while preventing the element from being damaged. When transmission data is inputted to a driving waveform generation unit (07-07-2011
20110156540PIEZOELECTRIC CERAMIC, PROCESS FOR PRODUCING THE PIEZOELECTRIC CERAMIC, AND PIEZOELECTRIC DEVICE - As a piezoelectric ceramic having an alkaline-containing niobic acid-perovskite structure contains [K06-30-2011
20110134745OPTICAL INFORMATION RECORDING MEDIUM - Disclosed is an optical information recording medium that can solve a problem that a BCA mark becomes unrecognizable in an optical recording medium including a recording layer using an organic coloring matter. A playback signal in a burst cut area comprises a bright-area amplitude level formed upon the playback of a part where no barcode-shaped mark has been formed, a dark-area amplitude level formed upon the playback of a part where a barcode-shaped mark has been formed, and a maximum amplitude level having a protruded waveform formed upon the reproduction of the edge of a barcode-shaped mark. When a portion intermediate between the maximum amplitude level and the dark-part amplitude level is defined as an intermediate level, the intermediate level is lower than the bright-area amplitude level.06-09-2011
20110133881LAMINATED INDUCTOR, METHOD FOR MANUFACTURING THE LAMINATED INDUCTOR, AND LAMINATED CHOKE COIL - Disclosed is a laminated inductor that has good direct current superimposition characteristics, does not cause a variation in temperature characteristics, suppresses the occurrence of delamination, and can be stably manufactured. Also disclosed are a method for manufacturing the laminated inductor and a laminated choke coil. A laminated inductor (06-09-2011
20110129635COLORING MATTER FOR OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION RECORDING MEDIUM - Disclosed is an optical information recording medium whose recording method is In-Groove recording, wherein such optical information recording medium offers good recording characteristics associated with high modulation degree and low jitter characteristics. This optical information recording medium includes: a disc-shaped substrate 06-02-2011
20110125429ELECTROMAGNETIC FIELD DISTRIBUTION MEASURING METHOD, APPARATUS FOR THE METHOD, COMPUTER PROGRAM AND INFORMATION RECORDING MEDIUM - Electromagnetic field distribution is measured by considering time variations of a measured electric and/or magnetic field value. In response to scanning performed with a probe at an arbitrary set of measurement coordinates in a predetermined measurement plane in the vicinity of an object to be measured, a signal is detected at each of plural sets of coordinates in a measurement plane. Electric and magnetic fields are computed during a measurement time period at each set of measurement coordinates in the measurement plane based on measurement coordinates where the probe is positioned and the signal is detected with the probe. Amplitude probability distribution during the time period at each set of measurement coordinates in the vicinity of the object is computed based on the computed intensity, then mapped and displayed.05-26-2011
20110056737ELECTROCHEMICAL DEVICE - Provided is an electrochemical device compatible with high-temperature reflow soldering using a lead-free solder. An electrical double layer capacitor 03-10-2011
20110045327ELECTROCHEMICAL DEVICE AND PACKAGING STRUCTURE THEREOF - Provided is an electrochemical device which is compatible with high-temperature reflow soldering using lead-free solder. An electric double-layer capacitor 02-24-2011
20110033745ELECTROCHEMICAL DEVICE - An electrochemical device capable of being mounted by soldering includes a film package made of a film; an electrodes part encapsulated together with an electrolyte in said film package; a pair of terminals, one end of each terminal being connected to said electrodes part and another end of each terminal being exposed to an exterior of said film package; and an armor in contact with a substantially entire surface of said film package and in contact with partial surfaces of the exposed ends of said pair of terminals, respectively, to encapsulate said film package, said armor exposing remaining portions of said pair of terminals to an exterior of the armor.02-10-2011
20110020581OPTICAL INFORMATION RECORDING MEDIUM AND MANUFACTURING METHOD THEREFOR - A multilayer type optical information recording medium in which in multilayering of a write-once type optical information recording medium, when a second film is formed using a metallic stamper, a protective layer composed of an inorganic material is free from peeling, is provided. In the multilayer type optical information recording medium including an interlayer, the interlayer is constituted by multiple films of a first film contacting a protective layer and a second film contacting a reflection layer; materials of the first and second films are constituted of materials different from each other; and a peeling resistance of the material of the first film against a material of the protective layer of the first optical information recording layer is higher than that of the second film.01-27-2011
20110019520DATA RECORDING EVALUATING METHOD AND OPTICAL DISK RECORDING AND REPRODUCING DEVICE - A novel evaluation index is introduced so as to allow both a total evaluation of data recording and an evaluation of individual detection patterns. A data recording evaluation method includes a step of reproducing the result of data recording performed on an optical disk and identifying a predetermined detection pattern in a reproduction signal, a step of detecting the signal state of the reproduction signal corresponding to the predetermined detection pattern, and a first calculation step of calculating a first recording state evaluation index value based on the detected signal state and a reference condition which is identified from the predetermined detection pattern and adjusted so as to reflect the signal state of the reproduction signal. When there is a plurality of predetermined detection patterns, the method further includes a second calculation step of calculating a second recording state evaluation index value using the first recording state evaluation index value for each of the predetermined detection patterns. Data recording can be evaluated properly using the first and second recording state evaluation index values.01-27-2011
20110006860FILM BULK ACOUSTIC RESONATOR, FILTER, COMMUNICATION MODULE AND COMMUNICATION APPARATUS - A piezoelectric thin film resonator of the present has a substrate 01-13-2011
20110001581ACOUSTIC WAVE DEVICE - An acoustic wave device includes an input terminal; a balun that is connected to the input terminal, converts a signal input from the input terminal into two anti-phase signals, and outputs the two anti-phase signals; and a filter that is connected to the balun, and outputs the two anti-phase signals input from the balun as balanced output signals. An output impedance of the balun is equal to an input impedance of the filter, and is larger than an output impedance of the filter.01-06-2011
20100329090TARGET LEVEL SETTING METHOD FOR A SIGNAL USED IN MAXIMUM-LIKELIHOOD DECODING IN PRML PROCESSING OF A SIGNAL REPRODUCED FROM AN OPTICAL INFORMATION RECORDING MEDIUM, PLAYBACK DEVICE FOR AN OPTICAL INFORMATION RECORDING MEDIUM, AND TARGET LEVEL SETTING PROGRAM FOR A SIGNAL USED IN MAXIMUM-LIKELIHOOD DECODING IN PRML PROCESSING - Target levels in the PRML method are adaptively set under conditions of simplicity and a low cost. A method of setting a target level for reproduction of an optical information recording medium includes: a step of producing a reproduction signal from reflected light of laser light irradiated to an optical information recording medium; a step of performing waveform equalization processing, which depends on a predetermined partial response characteristic, on the reproduction signal to produce a waveform-equalized reproduction signal; a step of detecting peak levels for marks and spaces of a predetermined number of symbols from the waveform-equalized reproduction signal irrespective of a condition for a symbol adjoining each symbol; and a setting step of determining and setting values of a plurality of target levels, which is employed in Viterbi decoding and is arrayed with non-equal intervals among them, on the basis of a relative relationship among the detected peak levels.12-30-2010
20100319975FILTER, BRANCHING FILTER, COMMUNICATION MODULE, AND COMMUNICATION EQUIPMENT - A filter of the present invention is a filter including a substrate and a filter element mounted on the substrate, wherein the substrate is provided with a plurality of wiring layers including a filter element wiring layer which is formed with wirings and connected with the filter element, an insulating layer interposed between the plural wiring layers and a ground pattern formed in at least a part of a wiring layer under the filter element wiring layer; and the thickness of the insulating layer interposed between the filter element wiring layer and the other wiring layer is smaller than the width of the wiring formed in the filter element wiring layer, and is larger than the thickness of the other wiring layer. By such a configuration, a thin, high-suppression and high-isolation filter can be realized.12-23-2010
20100308936SURFACE ACOUSTIC WAVE DEVICE - A surface acoustic wave device includes a first filter and a second filter, each of them being a surface acoustic wave (SAW) filter including an odd number of at least three InterDigital Transducers (IDTs); an unbalanced terminal to which an unbalanced signal is input; a first balanced terminal from which a signal having a same phase as the unbalanced signal is output; and a second balanced terminal from which a signal having an opposite phase to the unbalanced signal is output. One of electrodes of a first center IDT and one of electrodes of a second center IDT are commonly connected to the unbalanced terminal, the first center IDT and the second center IDT being one out of the odd number of IDTs and locating at a center in the first filter and the second filter respectively. The number of electrode fingers of the first center IDT is an odd number, and the number of electrode fingers of the second center IDT is an even number.12-09-2010
20100302924OPTICAL INFORMATION RECORDING MEDIUM, INFORMATION RECORDING METHOD FOR OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION RECORDING DEVICE - This object aims to propose an optical information recording medium configured to make copyright protection possible, an information recording method for an optical information recording medium and a recording device. An optical information recording medium is proposed to have a recording area available for recording data by laser light, wherein the recording area is provided with a user data area and a management area. The management area written in the optical information recording medium includes a recording format management area provided with information for carrying out operations that identify a format recorded in the user data area, convert the format into a predetermined signal system in accordance with an identified result and record the converted format; a recording condition management area provided with information to make the control of recording conditions of the laser light feasible when the data are recorded at the user recording area; and an authentication identification area provided with information for carrying out an operation that identifies whether or not the optical information recording medium is authenticated by a third party.12-02-2010
20100300736COMPOSITE MULTI-LAYER SUBSTRATE AND MODULE USING THE SUBSTRATE - A composite multi-layer substrate comprising a flat plate-like core member formed of a material having an excellent electric conductivity, an excellent heat conductivity, and a high rigidity, a front resin layer and a rear resin layer covering at least the front and rear surfaces of the core member, and a bottomless hole formed in the core member through the front and rear sides of the core member, wherein an electronic component is installed in the bottomless hole, whereby since the strength of the composite multi-layer substrate can be assured by the rigidity of the core member, conventional prior art glass cloth can be eliminated, deterioration in the electric characteristics caused by ion migration can be avoided and will result in reduced production cost.12-02-2010
20100260019OPTICAL INFORMATION RECORDING APPARATUS AND METHOD - In order to ensure a favorable recording characteristic for a write-once recording medium whose recording layer is made of an organic dye having an absorption spectrum at a wavelength λ=405 nm, this optical information recording apparatus includes a unit to set a write power to form recording marks, a space forming power to form spaces and a pulse width of a cooling pulse, and a unit to record information onto the recording medium according to the setting. The pulse width of the cooling pulse and a ratio of the space recording power to the write power are determined from a favorable region in a plane whose one coordinate axis represents the ratio and whose other coordinate axis represents the pulse width of the cooling pulse.10-14-2010
20100232277Optical Information Recording Medium, Manufacturing Method Thereof, and Recording Method Thereof - An object of the present invention is to provide an optical information recording medium suited for high-density and high-speed recording using a recording wavelength of 360 to 450 nm, in particular, around 400 nm (for example, 405 nm) and its recording method.09-16-2010
20100065846SYSTEM IN PACKAGE AND SOCKET - This invention relates to a system in package including a plurality of integrated circuit chips and a substrate on which the plurality of integrated circuit chips are mounted and characterized in that a testability circuit for facilitating a test on at least one of the integrated circuit chips is incorporated into the substrate. The testability circuit incorporated into the substrate is formed by embedding a so-called WLCSP integrated circuit chip into the substrate. Alternatively, the testability circuit is formed by using a transistor element formed by using a semiconductor layer formed on the substrate. By incorporating the testability circuit into the substrate as described above, it is possible to realize a system in package facilitated in test without increases in size and cost.03-18-2010
20090309457PIEZO DRIVE SYSTEM - A piezo drive system includes an elastic fixing frame, a drive element, a rod, and a rotor. A vamplate portion is formed on the outer surface of the rod. One end of the rod is secured to around the center of a face of the drive element. The rotor consists of a cylindrical portion and a disk portion, and can rotate relative to the rod. Protrusions are formed on the inside of a top surface portion of the fixing frame to push against the disk portion. Using the drive element, the rod rotates while tilting and makes a surface contact with the vamplate portion, producing friction. Consequently, the rotor is rotated.12-17-2009
20090195963CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A capacitor includes a pair of electrically conductive layers; a plurality of substantially or nearly tubular dielectric materials disposed between the pair of electrically conductive layers formed of anodic oxide of metal; first electrodes which are filled in hollow portions of the dielectric materials and connected to one of the electrically conductive layers; and a second electrode that is filled in voids between the respective dielectric materials and connected to the other electrically conductive layer.08-06-2009
20090169798INFORMATON RECORDING MEDIUM AND MANUFACTURING METHOD OF THE SAME - Disc-shaped information recording medium comprising optical penetrating substrate having colored underlayer and ink receipt layer in this order on the principal surface of one side of the substrate, wherein the ink receipt layer contains inorganic fine particles, a binder, and a crosslinking agent, and wherein a pore diameter distribution of a gap of the ink receipt layer has a maximum peak in the range of 30 nm or more when the ink receipt layer is measured with a mercury porosimetry method. Since the shrinkage force functioning in the pores of the gaps of the ink receipt layer weakens, a disc-shaped information recording medium having a reduced occurrence of warp is provided.07-02-2009
20090154332OPTICAL INFORMATION RECORDING MEDIUM AND MANUFACTURING METHOD THEREOF - An optical information recording medium has at least an optical reflective layer, an optical recording layer, an protective layer, and an optical transparency layer formed in that order on the main surface of a disc-shaped substrate. An area in which the protective layer is formed is made wider than an area in which the reflective layer is formed, and made narrower than an area in which the optical transparency layer is formed.06-18-2009
20090154054CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A capacitor includes a dielectric material that is formed of anodic metal oxide; a pair of substantially comb-shaped surface electrodes formed on the same principal surface of the dielectric material; and plural substantially columnar internal electrodes whose one ends are connected to the respective comb-shaped portions of the pair of the surface electrodes and whose other ends extend in the thickness direction of the dielectric material.06-18-2009
20090146636SWITCHING ELEMENT, VARIABLE INDUCTOR, AND ELECTRONIC CIRCUIT DEVICE HAVING CIRCUIT CONFIGURATION INCORPORATING THE SWITCHING ELEMENT AND THE VARIABLE INDUCTOR - An inexpensive variable inductor has inductance value continuously changeable without reducing a Q value. When a control voltage is applied to a control terminal of a MOS transistor from a power supply, a continuity region is formed in a channel, and a region between main terminals becomes conductive. When the control voltage is changed, length of the continuity region in the channel is changed. This changes length of a path area of an induced current, flowing in an induced current film. Thus, the amount of induced current is increased or decreased. Therefore, when the control voltage of the MOS transistor is changed, the inductance value of the coil is continuously changed.06-11-2009
20090128275INDUCTOR AND ITS MANUFACTURING METHOD - An inductor 05-21-2009
20090122665METHOD OF CONTROLLING PLAYBACK CONDITION, OPTICAL DISK, OPTICAL DISK DRIVE DEVICE AND PROGRAM - Playback durability of a writable optical disk is ensured. A method of controlling a playback condition includes continuously irradiating an optical disk with a laser beam having a power level lower than a mark formation level and detecting a change of a state of a signal caused by a return light from the optical disk, and setting a playback condition for the optical disk according to the change of the state of the signal. The playback durability of the optical disk can be ensured by adaptively controlling the playback condition as stated above.05-14-2009
20090116369OPTICAL INFORMATION RECORDING MEDIUM - An optical information recording medium includes a disk-like substrate having a hole in a central portion thereof, and a light-reflective layer, a dye recording layer containing an organic dye, an intermediate layer composed of an inorganic substance, and a light-transmissive layer composed of a resin disposed in that order on one principal surface of the substrate, in which information is recorded/reproduced by irradiation of laser light from the light-transmissive layer side. In the optical information recording medium, the light-transmissive layer covers a surface of the intermediate layer from an inner peripheral edge of the intermediate layer to an outer peripheral edge of the intermediate layer, and a vicinity of an outer peripheral edge of the light-transmissive layer is in contact with the substrate in an annular region extending around an outer peripheral side of the substrate.05-07-2009
20090108979TRANSFORMER FOR POWER SUPPLY - A transformer for use in a power supply has a primary winding, a secondary winding, a bobbin on which the primary and secondary windings are separately wound, and a core subassembly mounted in the bobbin. An opening is formed in the cylindrical portion of the bobbin, and an inside core in the magnetic core insertion hole and an outside core located outside the hole are adhesively bonded together via a spacer through the opening in the cylindrical portion.04-30-2009
20090096096SEMICONDUCTOR DEVICE AND CIRCUIT DEVICE HAVING THE SAME MOUNTED THEREON - A semiconductor device has a semiconductor chip, terminals formed at a prescribed terminal pitch on the bottom side of the semiconductor chip, and columnar post electrodes formed on the terminals. The post electrodes are formed of two different metals, the side bonded with the terminals is constituted by first metallic portions while the side on which solder bumps is formed are constituted by second metallic portions. A dimension in the width direction of the first metallic portions is formed smaller than a dimension in the width direction of the second metallic portions.04-16-2009
20090092783OPTICAL INFORMATION RECORDING MEDIUM - An optical information recording medium has a substrate, and an optical reflection layer, an optical recording layer containing an organic dye, an interlayer, and a cover layer formed in this order on the substrate. The interlayer contains a sputtered Nb04-09-2009
20090090169GAS SENSOR AND GAS DETECTION METHOD - A gas sensor contains such a dielectric substance having a domain boundary formed between domains with different polarization directions. When a gaseous molecule is adsorbed to the dielectric substance, a transient current is generated due to displacement of the domain boundary under an applied voltage. The adsorbed gaseous molecule is detected by measuring the transient current.04-09-2009
20090087557METHOD OF MANUFACTURING A MAGNETITE-COATED IRON POWDER - A method of manufacturing a magnetite-coated iron powder includes putting an iron powder into a reaction liquid containing iron pentacarbonyl and heating the same in an oxidizing atmosphere, or includes heating a reaction liquid containing iron pentacarbonyl in a reducing atmosphere thereby precipitating iron particles and heating the reaction liquid in which iron particles are precipitated in an oxidizing atmosphere and coating magnetite to the precipitate iron particles.04-02-2009
20090086404CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A capacitor element includes a pair of conductive layer, a plurality of first electrodes and second electrodes, and insulation caps for insulating these electrodes from the conductive layers. By anodizing a metal substrate in two stages, holes filled with the first electrodes and holes filled with the second electrodes are randomly distributed04-02-2009
20090084596MULTI-LAYER BOARD INCORPORATING ELECTRONIC COMPONENT AND METHOD FOR PRODUCING THE SAME - An electronic part-incorporated multilayer substrate is provided. The multi-layer substrate includes a core formed with a plurality of holes capable of containing an electronic part, a bottom insulating resin layer formed on a bottom surface of the core, a top insulating resin layer formed on a top surface of the core, a wiring layer selectively formed on an outer surface of the bottom insulating resin layer or top insulating resin layer, and an electronic part contained in any of the holes.04-02-2009
20090073635MULTI-LAYER CERAMIC CAPACITOR AND MANUFACTURING METHOD OF MULTI-LAYER CERAMIC CAPACITOR - A small, large-capacitance multi-layer ceramic capacitor suppressed for remarkable lowering of permittivity, having a capacitor main body formed of ceramic dielectric layers comprising barium titanate as a main component and an Si oxide at a ratio of 0.5 to 10 mol being converted as SiO03-19-2009
20090067306OPTICAL DISC RECORDING METHOD, OPTICAL DISC RECORDING/PLAYBACK DEVICE, AND OPTICAL DISC - An optical disc recording method includes: determining that an optical disc to be recorded is an optical disc including a recording layer comprising organic dye; and controlling a laser such that space formation power Ps necessary for space formation is equal to or smaller than bias power Pbw. In a case wherein the relation of Ps03-12-2009
20090067117MULTI-LAYER CERAMIC CAPACITOR AND MANUFACTURING METHOD THEREOF - A multi-layer ceramic capacitor, which has an internal electrode of good continuity and may be obtained at a relatively low cost, is disclosed. The internal electrode layer comprises metal particles, wherein the arithmetic mean particle diameter of the metal particles, which is determined based on the particle diameter in the direction parallel with the plane direction of the internal electrode layer, is made smaller than the thickness of the internal electrode layer. The multi-layer ceramic capacitor can be obtained by forming the internal electrode layer using a conductive paste containing a conductive power comprising Ni metal particles coated with particles of a base metal selected from Mn, Co, Fe, Cu, Nb, Ba, Ca, Sr, Ti, Zn, V, and rare earth metals, particles of an oxide thereof and applying a heat treatment in a reducing firing atmosphere having an oxygen partial pressure from about 1003-12-2009
20090059778OPTICAL INFORMATION RECORDING MEDIUM - Provided is an optical information recording medium that can be recorded with data with only a special recording apparatus and the recorded data can be read out with a general recording/reproducing apparatus. The optical information recording medium includes a disc-like light-transmissive substrate having a surface provided with a spiral groove WB having a wobble and a land LN between adjacent segments of the groove WB, a light-absorbing layer disposed on the surface of the light-transmissive substrate, and a light reflection layer disposed on the light-absorbing layer. The groove WB has a depth Ds of about 140 nm≦Ds≦155 nm, the light-absorbing layer has a recess with a depth Dd of about 95 nm≦Dd≦105 nm in the groove, and a push-pull signal before recording has a value of about 0.3 or less. The optical information recording medium may include an anti-illegal copy measure.03-05-2009
20090059749RECORDING METHOD, RECORDING APPARATUS, AND SIGNAL PROCESSING CIRCUIT FOR RECORDING INFORMATION ON OPTICAL RECORDING MEDIUM - In a recording method or apparatus, in order to set an optimal recording condition by a minimal number of times of testing, test recording is carried out while changing power and pulse width of recording pulses in a stepwise manner. Conditions for the test recording are concentrated in a region of a matrix defined by power×pulse width.03-05-2009
20090058591WIRE WOUND ELECTRONIC PART - A wire wound electronic part includes a ferrite core comprising ferrite having a columnar wire wound core and flanges formed at both ends thereof, a coil conductor wound around the wire wound core of the ferrite core, and at least a pair of terminal electrodes having a Cu conduction layer disposed to the outer surface of the flange, in which both ends of the coil conductor wound around the wire wound core are conductively connected to the terminal electrodes. The terminal electrode is formed by coating an electrode paste containing a Cu powder and a glass frit to the outer surface of the ferrite core, and then applying a heat treatment to the ferrite core. There is a reaction layer of a portion of the ferrite core and the glass frit at a boundary between the ferrite core and the Cu conduction layer. The terminal electrodes has the peel strength identical with that of an existent Ag terminal electrode, without forming a plate layer.03-05-2009
20090058588WIRE WOUND ELECTRONIC PART - A wire wound electronic part includes a core having a wire wound core and flanges formed on both ends thereof, a coil conductor wound around the wire wound core and terminal electrodes disposed at the bottom of the flange, in which both ends of the coil conductor are conductively connected to the terminal electrodes by a solder, wherein a pair of grooves are formed at the bottom crossing the wire wound core of one of the flanges. The groove has a bottom and side walls disposed being slanted on both sides thereof, in which the vertical height for the side wall is formed larger than the length for the bottom of the side wall. The terminal electrodes are contained in the groove, and edge portion in the lateral direction of the terminal electrode is restricted by the side wall of the groove. The edge portion in the lateral direction of the terminal electrode is restricted by the side wall of the groove, which makes the lateral size stable and suppresses the movement of the molten solder in the lateral direction of the groove, thereby preventing unstable height and attitude of the wire wound electronic part upon mounting to a circuit substrate.03-05-2009
20090052110CAPACITOR HAVING MICROSTRUCTURES - A capacitor element includes a pair of conductor layers, a plurality of generally tube-shaped dielectric substances, a first electrode outside the dielectric substances and second electrodes in the insides thereof, and insulation caps for insulating the first electrode from the conductor layer, wherein an electrode material is filled in gaps of a structure of an oxide base material resulting from anodic oxidation of a metal, and then, the structure is removed and replaced by a high permittivity material.02-26-2009
20090046410DIELECTRIC CERAMICS AND MULTI-LAYER CERAMIC CAPACITOR USING SAME - Dielectric ceramics represented as: Ca02-19-2009
20090034406OPTICAL INFORMATION REPRODUCING SYSTEM - An optical-information reproducing system is provided, in which the tracking capability of an optical pickup can be increased, and in which the number of occurrences in which the optical pickup fails to track a groove can be reduced, by increasing a gain margin and by ensuring the gain margin. In the optical-information reproducing system, an optical-information recording medium is rotated at a fixed linear velocity of about 3.49 m/s, and the optical pickup is caused to track the groove to irradiate the groove with laser light, whereby information recorded on the optical-information recording medium can be reproduced. A higher-order resonance frequency of the optical pickup that is generated when the optical pickup is caused to track the groove can be made lower than a wobble frequency that is reproduced using the groove without performing rotation control on the optical-information recording medium.02-05-2009
20090034390OPTICAL INFORMATION RECORDING MEDIUM AND DRAWING METHOD THEREFOR - An optical information recording medium capable of being drawn without being overturned by an optical information recording apparatus and cable of being drawn not depending on the wavelength of a laser light to be irradiated, the optical information recording medium having an information recording portion in which a recording layer and a first reflection layer are formed successively on a first substrate, and having a drawing portion in which a second reflection layer, a color-change layer, a color-change assistance layer, and a protection layer are formed successively on a second substrate, in which the second reflection layer is heated by irradiation of a laser light and the material in the color-change layer and the material in the color-change assistance layer are melted by the heat and mixed to cause a color change thereby forming images.02-05-2009
20090034162CAPACITOR ELEMENT AND METHOD OF MANUFACTURING CAPACITOR ELEMENT - There are provided a porous plate dielectric substance, pillar-shaped electrodes respectively formed in pores belonging to a first group and pores belonging to a second group alternately arranged on the dielectric substance, insulator layers made of an organic insulator formed on tips of pillar-shaped electrodes in the pores of the first and second groups so as to fill the pores and hide electrodes respectively provided on one principal surface and another principal surface of the dielectric substance and connected to base ends of the pillar-shaped electrodes.02-05-2009
20090033439MULTILAYER FILTER - A multilayer filter wherein the capacitances of capacitors are reduced to reduce the size of the filter without substantially affecting the filter frequency characteristics. A predetermined filter circuit includes plural electrodes in a dielectric ceramic device body. Each of the capacitors is respectively disposed at input and output ends of the filter circuit and has one end connected to one of input/output terminals. Winding-type inductors, interposed between the input/output terminals and the one ends of the capacitors, are in the device body.02-05-2009
20090029260ELECTROCHEMICAL DEVICE AND METHOD OF MANUFACTURING THE SAME - An electrochemical device includes four or more electrodes which are laminated with separators provided between the respective electrodes, an electrolyte filled between the respective electrodes, and a sealing member which covers the periphery. The electrodes are arranged so that the polarities alternately change in the lamination direction, and each of the electrodes has projections projecting from diagonally opposite positions on the peripheral edge so that the positions of the projections of the electrodes of different polarities are opposite to each other in the lateral direction and the projections of the electrodes of the same polarity are aligned and connected with each other.01-29-2009
20090027141FILTER CIRCUIT, FILTER CIRCUIT DEVICE, MULTILAYERED CIRCUIT BOARD, AND CIRCUIT MODULE EACH INCLUDING THE FILTER CIRCUIT - A filter circuit comprises a first impedance element disposed in an input side, a second impedance element disposed in an output side, having an input end connected to an output end of the first impedance element, and made of the same component as that of the first impedance element, a distributed constant resonance circuit having one end connected to a junction between the output end of the first impedance element and the input end of the second impedance element, and a third impedance element having one end connected to the input end of the first impedance element and the other end connected to the output end of the second impedance element. The first and second impedance elements and the distributed constant resonance circuit are each constituted by a transmission line having a predetermined distributed constant, and the third impedance element is constituted by a capacitor having a predetermined concentrated constant.01-29-2009
20090026892MICRO-CANTILEVER - A micro-cantilever of a simple structure and capable of obtaining a larger displacement at a low voltage including a plate-like piezoelectric substrate having electrode films as an upper electrode and a lower electrode formed on both surfaces thereof, a plate-like resilient member in close contact with the piezoelectric substrate on the side of the lower electrode and a support for supporting a driving member in a cantilever manner, in which a thin-walled portion is formed to the vicinity of a base portion of the driving member supported by the support.01-29-2009
20090021887MULTI-LAYER CAPACITOR AND WIRING BOARD HAVING A BUILT-IN CAPACITOR - A capacitor capable of decoupling in a wide frequency band is obtained. A circuit in which capacitors having different capacitances are combined can be formed without increasing the number of components. Part of a first penetrating electrode or second penetrating electrode is cut by removing a cut portion. A penetrating electrode having a cut portion reduces the number of internal electrodes that are conductively connected, so that a capacitance to be extracted is small. The capacitance to be extracted can be adjusted, depending on which of layers of internal electrodes the cut portion is formed in.01-22-2009
20090021188LAMP DRIVING DEVICE - In one aspect, an impedance component which exhibits a high impedance in a high frequency region is arranged on a high pressure line formed on a secondary side of a transformer. The potential difference generated at both ends of the impedance component is used to detect an abnormal electrical discharge generated in the high pressure line. When the abnormal electrical discharge is detected, a switching operation is stopped by a controlling circuit whereby a protection operation is performed.01-22-2009
20090016185METHOD OF SETTING RECORDING SETUP INFORMATION ABOUT OPTICAL DISK, PROGRAM THEREFOR, AND DATA RECORDING PLAYER - There is disclosed a method of permitting recording setup information required to perform a test recording on an optical disk to be obtained from an external device as the need arises. The method comprises the steps of: measuring an evaluation index associated with recording characteristics with which data was recorded on the optical disk by an optical disk drive; making a decision as to whether the measured evaluation index indicates a state in which recording setup information used in data recording by the optical disk drive should be updated; acquiring recording setup information corresponding to at least the machine ID of the optical disk drive and the medium ID of the optical disk when the evaluation index is judged to indicate the state in which the recording setup information should be updated; and setting the acquired recording setup information in the optical disk drive.01-15-2009
20090015473ADAPTIVE ARRAY ANTENNA SYSTEM AND METHOD OF CONTROLLING DIRECTIVITY THEREOF - An adaptive array antenna is disclosed which permits the circuit scale to be reduced by omitting a down-converter, an AD converter, and interconnects for them while controlling the directivity well. In one aspect, the array antenna comprises phase shift-amplitude control modules which accept signals received by antenna elements via an analog-to-digital converter. The value of any one of phase-amplitude change modules is set to 1. The values of the other phase-amplitude change modules are set to 0. Thus, the signal from any one antenna element is accepted. This sequence of operations is repeated as many times as there are antenna elements, whereby signals received by all the antenna elements can be accepted.01-15-2009
20090010147OPTICAL DISK AND MOLDING DIE APPARATUS - A stamper is mounted to a surface of at least one of a stationary-side die and a movable-side die. A transfer surface of the stamper is positioned substantially flush with a first surface of an inner peripheral holding member for holding the stamper near an inner periphery thereof which first surface is positioned adjacent to the transfer surface of the stamper. A first distal end of the inner peripheral holding member, which is positioned to face the cavity, and a second distal end of a die member, which is positioned to face the cavity, the die member being disposed adjacent to the inner peripheral holding member, are both projected more into the cavity than the transfer surface of the stamper. A molding burr can be suppressed from projecting upward from the vicinity of an inner peripheral edge of the substrate surface substantially flush with the transfer portion.01-08-2009
20090006011Electromagnetic Field Distribution Measuring Method, Apparatus for the Method, Computer Program and Information Recording Medium - Electromagnetic field distribution is measured by considering time variations of a measured electric and/or magnetic field value. In response to scanning performed with a probe at an arbitrary set of measurement coordinates in a predetermined measurement plane in the vicinity of an object to be measured, a signal is detected at each of plural sets of coordinates in a measurement plane. Electric and magnetic fields are computed during a measurement time period at each set of measurement coordinates in the measurement plane based on measurement coordinates where the probe is positioned and the signal is detected with the probe. Amplitude probability distribution during the time period at each set of measurement coordinates in the vicinity of the object is computed based on the computed intensity, then mapped and displayed.01-01-2009
20080304202MULTI-LAYER CAPACITOR AND INTEGRATED CIRCUIT MODULE - It is intended to provide a multi-layer capacitor capable of obtaining good noise suppression characteristic at a high frequency band. The multi-layer capacitor has a structure that: a first conductor layer having a first extraction part connected to the first external electrode and a second extraction part connected to the second external electrode and a second conductor layer having a third extraction part connected to the third external electrode and a fourth extraction part connected to the fourth external electrode are alternately and integrally laminated via a dielectric layer; and each of the first conductor layers has a structure that two partial conductor layers are joined via a narrow part acting as an inductor, and each of the second conductor layers has a structure that two partial conductor layers are joined via a narrow part acting as an inductor.12-11-2008
20080303607BALANCED FILTER DEVICE - A balanced filter suitable for a reduction of the filter size. The balanced filter comprises strip-line resonators (SL12-11-2008
20080298203OPTICAL INFORMATION RECORDING MEDIUM AND METHOD OF FABRICATING THE SAME - Proposed are a method of fabricating an optical information recording medium that can prevent the degradation of the appearance caused by a hardening resin entering between a center cap and a substrate due to capillary action, and an optical information recording medium using a substrate for implementing the method.12-04-2008
20080298201METHOD AND PROGRAM FOR OBTAINING AND SETTING OF RECORDING SETTING INFORMATION, AND DATA RECORDING/PLAYBACK DEVICE - A method for obtaining and setting recording setting information, including: obtaining device identification information of an optical disc recording/playback device; transmitting a recording setting information request signal including at least the device identification information to a server connected through a network; receiving recording setting information corresponding to at least the device identification information transmitted from the server based on the recording setting information request signal; and storing the received recording setting information in memory within the optical disc recording/playback device. Thus, for example, recording setting information as to all of optical discs may be obtained and set as much as possible in a case wherein access to the server can be performed, whereby even a case can be handled wherein data recording is carried out as to various types of optical discs later.12-04-2008
20080292891ELECTROMAGNETIC WAVE SHIELDING SHEET - An electromagnetic wave shielding sheet having a high shielding effect for electromagnetic waves and capable of suppressing secondary emission causing noises without using GND connection, in which the electromagnetic shielding sheet includes a laminate film on a paper substrate, the laminate film has a laminate structure where an adhesive layer having adhesion property, a resistor layer and an insulator are laminated, the resistivity of the insulator is set to about 1011-27-2008
20080291811OPTICAL INFORMATON RECORDING MEDIUM AND METHOD FOR MAKING THE SAME - An optical information recording medium that has satisfactory main information recording characteristics and in which burst cutting area (BCA) marks can be formed without damaging a protective layer or a light-transmitting layer is provided. In forming the light-reflecting layer by vapor deposition, sputtering, ion-plating, or the like, part of the region is masked so as to make the thickness and/or material of the light-reflecting layer in a main information recording region where main information is recorded different from that of the light-reflecting layer in a BCA equivalent region. As a result, burst cutting of the light-reflecting layer in the BCA equivalent region becomes easier than in the main information recording region.11-27-2008
20080273432PROCESSING METHOD OF OPTICAL DISC RECORDING/PLAYBACK SIGNAL, OPTICAL DISC RECORDING/PLAYBACK DEVICE AND PROGRAM - A processing method of an optical disc recording/playback signal includes: measuring a length of a first mark of a predetermined coding length which appears immediately following a shortest space recorded on the optical disc; measuring a length of a second mark which appears immediately following a longest space recorded on the optical disc and which has the same coding length as the first mark; and calculating a heat interference amount based on a difference of the measured length of the first mark and the measured length of the second mark. The method may further include specifying a laser power at a time of forming a space or a cooling pulse width, according to the heat interference amount.11-06-2008
20080260984OPTICAL INFORMATON RECORDING MEDIUM - In a write-once optical information recording medium including a substrate, a groove-shaped track such as a guiding groove, and an optical recording layer containing an organic dye material and disposed on the guiding groove, wherein information is recorded by irradiating a short-wavelength laser beam from a surface of the optical recording layer opposite the substrate, and the information can be reproduced by reading a change in the reflected light of a short-wavelength laser beam after the information recording, an unrecorded portion of the optical recording layer has a lower reflectance than a pit portion formed after recording to a portion of the optical recording layer, the optical recording layer has a refractive index n in the range of about 1.2 to about 2.1 before recording and an extinction coefficient k in the range of about 0.01 to about 0.7 before recording, and n+k is in the range of about 1.4 to about 2.1.10-23-2008
20080259762OPTICAL INFORMATION RECORDING MEDIUM - An optical information recording medium includes a substrate having a through-hole provided at the central portion thereof and a guiding groove provided on a surface at the light-incident side; a reflective layer provided on the surface of the substrate having the guiding groove; a recording layer provided on the reflective layer and made of an organic substance containing a dye; and a light-transmissive cover layer provided on the recording layer, wherein the cover layer is made of a curable resin, and a modulus of elasticity of at least a portion of the cover layer facing the recording layer is in the range of about 34 MPa to about 96 MPa at 25° C.10-23-2008
20080258838MULTILAYER BALUN, HYBRID INTEGRATED CIRCUIT MODULE, AND MULTILAYER SUBSTRATE - A multilayer balun comprises first and second transmission lines that constitute a half-wave transmission line are opposed in adjacent layers, with a dielectric substance therebetween, so that, during use, the current of the first transmission line and the current of the second transmission line flow in the same direction. Thus, magnetic shield is formed between the first and second transmission lines. This eliminates the need for a grounding electrode layer for preventing magnetic interference between the first and second transmission lines.10-23-2008
20080253274Optical Information Recording Medium and Recording Method Thereof - [PROBLEMS] To provide an optical information recording medium including a pigment appropriate for high-density and high-speed optical recording by the blue laser light of 350 to 500 nm and especially around 400 nm (for example, 405 nm), enabling recording at low power, suppressing thermal affect of recording to the optical recording layer, and assuring a reflection ratio or modulation degree by the change of a refraction index n and an attenuation coefficient k; and to provide a recording method thereof.10-16-2008
20080248254METHOD OF MANUFACTURING OPTICAL INFORMATION RECORDING MEDIUM AND THE OPTICAL INFORMATION RECORDING MEDIUM - An optical information recording medium of which the commercial value is not reduced is provided, in which a light reflection layer, an optical recording layer, a first light transmission layer, and a second light transmission layer are provided in this order on one main surface of a disk-shaped substrate, and a method of manufacturing the optical information recording medium is provided. A light reflection layer, an optical recording layer, a protection layer, a first light transmission layer, and a second light transmission layer may be provided in this order on the one main surface of the disk-shaped substrate. The substrate has a first groove and a second groove approximately concentrically formed nearer an inner circumference of the substrate than an area in which the optical recording layer is to be provided. The first light transmission layer is provided such that an edge thereof is situated near an edge of an outer circumferential side of the first groove. The second light transmission layer is provided such that an edge thereof is situated near an edge of an outer circumferential side of the second groove. Therefore, each of the first and second light transmission layers does not meander at an inner circumferential edge thereof in a circumferential direction, leading to excellent quality in appearance.10-09-2008
20080242532DIELECTRIC CERAMICS AND MULTI-LAYER CERAMIC CAPACITOR - A multi-layer ceramic capacitor having temperature characteristics capable of satisfying X8R characteristics and having a high specific resistance in a high temperature environment and dielectric ceramics used in the capacitor, the dielectric ceramics containing, as a main ingredient, a compound represented by:10-02-2008
20080226927DIELECTRIC CERAMICS AND MULTILAYER CERAMIC CAPACITOR - Dielectric ceramics and a multi-layer ceramic capacitor with internal Ni electrodes having a more improved property showing the reliability such as high accelerated life time than usual, a temperature characteristic of the permittivity satisfying the X6S property, and having a permittivity of from 800 to 1800, wherein the dielectric ceramics comprise a main ingredient within a range:09-18-2008
20080212981OPTICAL RECEIVER AND VISIBLE LIGHT COMMUNICATION SYSTEM - A data signal to be transmitted is supplied to a modulator of a transmitter, and the modulator modulates the output of a blue light-excited white LED and outputs blue LED light and phosphor light. The modulated blue light enters to a photo-electric converter through an LED light transmission color filter. The modulated phosphor light on the other hand enters to another photo-electric converter through a phosphor light transmission color filter. The photo-electric converters convert incident light to electric signals. The converted signals are amplified by amplifiers. Then, equalizers emphasize the harmonic component therein according to the response characteristic of the blue light and the response characteristic of the phosphor light for reduction of the dullness of waveforms.09-04-2008
20080212453OPTICAL INFORMATION RECORDING DEVICE, OPTICAL INFORMATION RECORDING METHOD, AND OPTICAL INFORMATION RECORDING MEDIUM - Provided are an optical information recording device, an optical information recording method, and an optical information recording medium which provide an appropriate recording characteristic even when a disturbance occurs during information recording. A drive forms record marks and spaces by irradiating blue-purple laser light to an optical disk, for which an organic dye exhibiting a predetermined absorption factor with respect to light having a wavelength of at or near 405 nm is used, and thus records information. For recording of information, the power of the blue-purple laser light is controlled using writing power used for forming record marks, space formation power used for forming spaces that may be higher than read power used for reproducing information recorded in an optical information recording medium, and bias power higher than read power.09-04-2008
20080212427RECORDING CONDITION ADJUSTING METHOD OF OPTICAL DISC RECORDING/PLAYING SYSTEM, OPTICAL RECORDING PLAYING DEVICE AND OPTICAL DISC - A recording condition adjusting method of an optical disc recording/playing system, including the steps of: measuring a playing signal obtained by playing a result written in an optical disc; determining whether or not an asymmetry value calculated from the result of the measuring can be employed for adjustment of recording power; calculating a predetermined statistic according to a peak local maximal value and/or a peak local minimal value of an amplitude of a playing signal according to specified codes from the result in the measuring, in the case of determining that the asymmetry value cannot be employed for adjustment of recording power; and deciding the recording power based on the predetermined statistic.09-04-2008
20080205221DATA RECORDING EVALUATION METHOD AND OPTICAL DISK RECORDING AND REPRODUCTION DEVICE - Novel evaluation indexes are introduced to allow both a total evaluation of data recording and an evaluation of individual detection patterns. A data recording evaluation method includes a step of reproducing a result of data recording performed on an optical disk and identifying a predetermined detection pattern in a reproduction signal, a step of detecting a signal state of the reproduction signal associated with the predetermined detection pattern, and a first calculation step for calculating a first evaluation index value based on the detected signal state and a reference state identified from the predetermined detection pattern. When there is a plurality of predetermined detection patterns as described above, a second calculation step is further provided for calculating a second recording state evaluation index value using the first evaluation index value calculated from each of the predetermined detection patterns. Data recording can be properly evaluated using the first and second recording state evaluation index values.08-28-2008
20080198731OPTICAL INFORMATION RECORDING MEDIUM - An optical information recording medium having a disk-shaped substrate formed with spiral grooves on one main surface, and having an optical reflection layer formed with grooves at the surface corresponding to the grooves of the substrate for reflecting a laser beam, an optical recording layer, a protective layer, and an optical transparency layer in this order on the main surface thereof. The optical information recording medium has a main information area and a sub-information area to the inner circumferential side thereof, in which the track pitch TrB of the grooves in the sub-information area is about 0.32 μm or less, and the depth D of the grooves and the half-band width W of the grooves satisfy a relation represented by: W≧2D+70, whereby the difference between the reflectivity at the land surface and the reflectivity at the groove surface in the sub-information area can be restricted to less than 30%, thereby preventing occurrence of mis-decipherment for BCA marks.08-21-2008
20080196932MULTILAYER SUBSTRATE INCLUDING COMPONENTS THEREIN - Components having different heights are installed in a multilayer substrate using a metal core layer formed by bonding a plurality of metal layers. The metal core layer includes through-holes and a spot-faced portion. Passive components and an active component are disposed in the through-holes and the spot-faced portion, respectively. These components are connected to conductive patterns formed on wiring layers, with connecting vias therebetween. Contact faces of each component with the connecting vias are controlled so as to be disposed at the same level with the metal layers.08-21-2008

Patent applications by TAIYO YUDEN CO., LTD.