| Sumitomo Osaka Cement Co. Ltd Patent applications |
| Patent application number | Title | Published |
|---|
| 20120087615 | Optical waveguide element - An object of present invention is to provide an optical waveguide element that suppresses damage to an optical waveguide element by a pyroelectric effect due to a reinforcement substrate. | 04-12-2012 |
| 20120027337 | OPTICAL MODULATOR - In order to provide an optical modulator capable of suppressing generation of mode mismatching light in the Y-multiplexer in the MZ-type waveguide or mixing of the mode mismatching light with the radiation-mode light or the output light, and separately extracting output light and radiation-mode light, there is provided an optical modulator having a Mach-Zehnder type waveguide on a surface of a dielectric substrate, wherein a waveguide after multiplexing in a Y-multiplexer in an output side of the Mach-Zehnder type waveguide is a multiple mode waveguide | 02-02-2012 |
| 20120020607 | Optical waveguide device - An optical waveguide device having multiple functions or high performance, to improve the productivity of products, and to provide an optical waveguide device capable of suppressing deterioration of an operating characteristic of the optical waveguide device, including a thin plate | 01-26-2012 |
| 20120003540 | METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY, ELECTRODE FOR LITHIUM ION BATTERY, AND LITHIUM ION BATTERY - A method of manufacturing a positive electrode active material for lithium ion batteries, comprising: preparing a mixture containing (A) Li | 01-05-2012 |
| 20110268382 | Optical waveguide device module - An optical waveguide device module is provided, wherein a control electrode includes a signal electrode and ground electrodes disposed to sandwich the signal electrode, a connection substrate is provided with a signal line and ground lines disposed to sandwich the signal line, the distance W | 11-03-2011 |
| 20110227559 | Electric field measuring device - The electric field measuring device measures an electric field intensity of an electromagnetic wave generated from equipment under test | 09-22-2011 |
| 20110206860 | Method for forming polarization reversal - A method for forming a ferroelectric spontaneous polarization reversal includes the steps of forming a convexo-concave structure on a top face of a ferroelectric substrate firstly, and then forming a ferroelectric spontaneous polarization region on the substrate including one portion of a convex portion, with a concave portion being formed on the bottom face of the substrate within a region where a ferroelectric spontaneous polarization reversal is to be formed and the convex portion is formed, and then applying an electric field into the substrate. The depth of the concave portion on the bottom face of the substrate may be greater than the height of the convex portion on the top face of the substrate. The width of the concave portion on the bottom face of the substrate may be wider than width of said convex portion on the top face of the substrate. | 08-25-2011 |
| 20110201133 | Method for forming polarization reversal - A method for forming a ferroelectric spontaneous polarization reversal, including the steps of forming a concave portion on a top face of a ferroelectric substrate or a bottom face of a ferroelectric substrate, and applying an electric field into the substrate, wherein a ferroelectric spontaneous polarization reversal is formed at least in one portion of a region of the substrate with the concave portion, and wherein the shape of the concave portion is configured such that the width of the concave portion gets narrower gradually toward the inside of the substrate. The method may further include the steps of, after the reversal, making into almost a flat-plane the top or bottom face having the concave portion, and then, forming a new concave portion in another region and applying an electric field to form another reversal in one portion of the region of the substrate having the new concave portion. | 08-18-2011 |
| 20110197432 | Method for forming polarization reversal - A method for forming a ferroelectric spontaneous polarization reversal in a desired region of a ferroelectric substrate includes the steps of forming, for the desired region of the surface of the ferroelectric substrate, an electrode pattern or a mask pattern composed of aggregates of micropatterns, and then applying a given voltage into the desired region. The configuration of the micropatterns can be a stripe-shaped pattern, an ellipse-shaped pattern, a hexagon-shaped pattern, a network pattern, or a double cross shaped pattern. The method can further include the steps of generating many nucleuses by using the electrode pattern or the mask pattern composed of the aggregates of micropatterns, forming another electrode pattern or another mask pattern corresponding to the desired region, and then applying a given voltage into the desired region to generate a ferroelectric spontaneous polarization reversal around the nucleuses. | 08-18-2011 |
| 20110195304 | MULTI-COMPONENT-SYSTEM LITHIUM PHOSPHATE COMPOUND PARTICLES HAVING AN OLIVINE STRUCTURE, MANUFACTURING METHOD THEREOF AND LITHIUM SECONDARY BATTERY EMPLOYING THE LITHIUM PHOSPHATE COMPOUND PARTICLES AS A POSITIVE ELECTRODE MATERIAL - There is disclosed a multi-component system lithium phosphate compound particles having an olivine structure and represented by a general formula of Li | 08-11-2011 |
| 20110165420 | NICKEL-IRON-ZINC ALLOY NANOPARTICLES - Nickel-iron-zinc alloy nanoparticles of the present invention are in the form of tabular particles having a thickness of 1 μm or less and an aspect ratio of 2 or more, wherein the (220) plane which is the crystal plane of the face-centered cubic lattice is oriented on the tabular surface of the particles. | 07-07-2011 |
| 20110164844 | OPTICAL MODULATOR - It's an object of the invention to provide an optical modulator with high performance. The optical modulator | 07-07-2011 |
| 20110149462 | ELECTROSTATIC CHUCK, PRODUCTION METHOD OF ELECTROSTATIC CHUCK AND ELECTROSTATIC CHUCK DEVICE - The present invention relates to an electrostatic chuck comprising a specific composite oxide sintered body, wherein in the sintered body, an L* value of a reflected color tone measured by a C light source on a 2° angle visual field condition is 10 or more and 50 or less in a CIEL*a*b* color system prescribed in JIS Z 8729-1994 and an electrostatic chuck device comprising an electrostatic chuck member (A) having a tabular body provided with a clamping surface for clamping a sample by the electrostatic force, an internal electrode layer for clamping a sample by electrostatic force which is provided on the back face of the tabular body and an insulation layer, wherein at least the sample clamping surface of the tabular body in the electrostatic chuck member (A) comprises the composite oxide sintered body constituting the electrostatic chuck described above. | 06-23-2011 |
| 20110111230 | COMPOSITE CERAMIC POWDER, PROCESS OF PRODUCING THE SAME, AND SOLID-OXIDE FUEL CELL - A composite ceramic powder, which is excellent in uniform distribution at a nanometer level, composition controllability, and generation of oxygen ions or electron conductivity, a process of producing the composite ceramic powder, and a solid-oxide fuel cell, are provided. The composite ceramic powder includes oxide expressed by A | 05-12-2011 |
| 20110103735 | MACH-ZEHNDER WAVEGUIDE TYPE OPTICAL MODULATOR - It is intended to suppress the influence of a photorefractive phenomenon or the coupling of stray light to signal light. A Mach-Zehnder waveguide type optical modulator is provided which includes a thin plate | 05-05-2011 |
| 20110075149 | OPTICAL RECEIVER - Provided is an optical receiver which accurately demodulates an optical signal obtained by the differential phase shift modulation method. The optical receiver includes: an interferometer which branches the inputted optical signal into two parts and gives a one-bit phase difference to the resultant two optical signals so that the two optical signals after addition of the phase difference are made to interfere each other to output two output lights; reflection means which reflects one of the output lights from the interferometer so as to return to the interferometer; detection means which detects the return light which has been reflected by the reflection means and propagates through the interferometer in the different direction from the inputted optical signal, for output; and phase difference control means which adjusts the phase difference given by the interferometer according to the intensity of the return light detected by the detection means. | 03-31-2011 |
| 20110052212 | Optical receiver - The present invention relates to an optical receiver, and particularly, to an optical receiver by which a DQPSK-modulated optical signal is demodulated to a multilevel phase-modulated signal. | 03-03-2011 |
| 20110030781 | PASTE FOR DYE-SENSITIZED SOLAR CELL, TRANSPARENT INSULATION FILM FOR DYE-SENSITIZED SOLAR CELL, DYE-SENSITIZED SOLAR CELL, AND DYE-SENSITIZED SOLAR CELL FABRICATION METHOD - A paste containing a silica polymer, made by substituting at least some of the surface functional groups thereof with alkyl groups, and solvent-removable inorganic particles is prepared, and the paste is applied and fired to form a transparent insulating film in a dye-sensitized solar cell. | 02-10-2011 |
| 20110026868 | Optical modulator - An optical modulator suppresses a radiation mode of a microwave generated in a connection substrate or termination substrate from entering a signal electrode of the optical modulator and suppresses modulation properties from being degraded. The optical modulator includes an optical modulation element ( | 02-03-2011 |
| 20110013863 | OPTICAL WAVEGUIDE ELEMENT MODULE - Disclosed is an optical waveguide element module in which a filter circuit including a capacitor is provided on a line through which a modulation signal is input to a modulating electrode of an optical waveguide element and which is capable of preventing the deterioration of an electric signal in the filter circuit or the occurrence of a resonance phenomenon within the frequency range used and obtaining flat electrical/optical response frequency characteristics in a wide band of more than several tens of gigahertz, even though a single-layer capacitor is used as the capacitor. | 01-20-2011 |
| 20110005350 | RECOVERY METHOD AND RECOVERY APPARATUS OF THALLIUM IN CEMENT PRODUCTION FACILITIES - A method for recovering thallium in a cement production facility according to the present invention includes: a collecting process of collecting dust from combustion gas at a passage of the combustion gas, which is downstream of a gas outlet of a suspension preheater or a gas outlet of a demineralizer of a cement kiln of the cement production facility; a water-cleaning process of producing slurry or a water solution by cleaning the collected dust using water; and a filtering process of separating the slurry or water solution into a solid and a liquid and recovering thallium, wherein thallium is recovered from the combustion gas exhausted from the cement production facility. | 01-13-2011 |
| 20100296767 | OPTICAL MODULATOR - Provided is an optical modulator wherein frequency characteristics in a high frequency band are further improved and temperature drift phenomenon is more suppressed. The optical modulator is provided with a substrate ( | 11-25-2010 |
| 20100284644 | OPTICAL MODULATOR - An optical modulator includes a substrate that is formed of a material having an electro-optic effect, an optical waveguide | 11-11-2010 |
| 20100266234 | Optical control device - The present invention relates to an optical control device capable of achieving an accurate match of modulation timing and modulation intensity between optical waves propagating through optical waveguides disposed between a plurality of signal electrodes in an optical control device using an anisotropic dielectric substrate. | 10-21-2010 |
| 20100264855 | Light control device - A light control device with a reduced electric loss is provided which can suppress a phenomenon of electrically reflecting a high-frequency signal even when it employs a dielectric anisotropic substrate. A light control device includes a signal electrode formed on a dielectric anisotropic substrate and ground electrodes disposed with the signal electrode interposed therebetween. Here, the signal electrode includes at least two signal electrode portions disposed in directions in which the dielectric constant of the substrate is different from each other and a curved connecting portion connecting the at least two signal electrode portions. The connecting portion is configured so that the characteristic impedance in parts connected to the at least two signal electrode portions is equal to that of the corresponding signal electrode portion, and the characteristic impedance in the connecting portion between the at least two signal electrode portions continuously varies. | 10-21-2010 |
| 20100261063 | ELECTRODE MATERIAL, METHOD FOR PRODUCING THE SAME, ELECTRODE AND BATTERY - An electrode material containing an electrode active material, and a carbonaceous coating film which covers the electrode active material and contains sulfur; and an electrode material including a secondary particle including a plurality of primary particles as the electrode active material, wherein the primary particles are covered with a carbonaceous coating film so that the carbonaceous coating film is interposed between the primary particles and the carbonaceous coating film contains sulfur. | 10-14-2010 |
| 20100247025 | OPTICAL ELEMENT - Disclosed is an optical element which includes a support substrate and a thin plate of single crystal stacked on the support substrate through a thermoplastic adhesive, having the advantages of easily regulating the phase of light waves and restoring the regulated state to the original state. The optical element includes a support substrate | 09-30-2010 |
| 20100247024 | OPTICAL WAVEGUIDE TYPE DEVICE - An optical waveguide type device employing an X-cut substrate having an electro-optical effect is provided in which the modulation efficiency due to an electric field formed by control electrodes is improved. The optical waveguide type device includes: an X-cut substrate having an electro-optical effect; an optical waveguide formed on the substrate; and a control electrode controlling an optical wave propagating in the optical waveguide and including a signal electrode and a ground electrode. Here, the bottom surface of at least one of the signal electrode and the ground electrode disposed to interpose the optical waveguide therebetween is lower (by a height difference d) than the top surface on which the optical waveguide is formed. | 09-30-2010 |
| 20100247023 | OPTICAL WAVEGUIDE TYPE MODULATOR - An optical waveguide type modulator with a decreased driving voltage and an improved return loss of a driving signal is provided which includes an optical waveguide having a Mach-Zehnder type optical waveguide portion and a signal electrode and a ground electrode modulating an optical wave guided in the optical waveguide. The signal electrode is arranged along at least one of two branched waveguides and Y-branched portions of the Mach-Zehnder type optical waveguide portion and along a part of one Y-branched portion connected to the one branched waveguide. Outside the part of one Y-branched portion, the signal electrode is drawn across a symmetric axis of the Mach-Zehnder type optical waveguide portion with a gap from the one Y-branched portion, and is drawn so as not to extend along the other Y-branched portion connected to the one branched waveguide and so as not to extend across the symmetric axis with a gap from the one branched waveguide. | 09-30-2010 |
| 20100239218 | Optical waveguide device - To provide an optical waveguide device which can allow a light-receiving element to be precisely aligned with a diffused waveguide formed in a dielectric substrate to implement an evanescent coupling light-receiving element. An optical waveguide device includes a dielectric substrate | 09-23-2010 |
| 20100232736 | Optical Control Device - It is an object to provide an optical control device capable of realizing speed matching between a microwave and a light wave or impedance matching of microwaves and of reducing a driving voltage. An optical control device including a thin plate | 09-16-2010 |
| 20100227177 | SANITARY WARE AND PROCESS FOR PRODUCTION THEREOF - The present invention provides a sanitary ware comprising a substrate and a coating film formed on the surface of the substrate, wherein the coating film contains silicon (Si), zirconium (Zr), and oxygen (O) and the mass percentage of silicon oxide (SiO | 09-09-2010 |
| 20100113859 | METHOD OF ASBESTOS DETOXIFICATION AND AQUEOUS SOLUTION FOR ASBESTOS DETOXIFICATION - A method of asbestos detoxification in which an asbestos-containing waste material in any form is made harmless while preventing asbestos particles or dust from flying or scattering. The asbestos content can be easily reduced in a short time to 0.1 wt. % or lower, which is prescribed by the Ministry of Health, Labor, and Welfare. The waste can be perfectly made harmless. Also provided is an aqueous solution for asbestos detoxification which is for use in the method. The method of asbestos detoxification comprises: bringing an asbestos-containing waste material into contact with an aqueous treating solution containing at least one fluoride ion source selected from the group consisting of the fluorides of alkali metals, alkaline earth metals, and ammonia and hydrofluoric acid and further containing at least one mineral acid selected from the group consisting of hydrochloric acid, sulfuric acid, and nitric acid so that the aqueous treating solution has a pH of 1 or lower; and allowing the resultant mixture to stand or stirring it while adding the mineral acid so as to keep the pH of the aqueous treating solution at 1 or lower. Thus, the asbestos in the asbestos-containing waste material is made harmless. | 05-06-2010 |
| 20100111463 | OPTICAL WAVEGUIDE DEVICE AND METHOD FOR SUPPRESSING TEMPERATURE CROSSTALK OF OPTICAL WAVEGUIDE DEVICE - An optical waveguide device includes: a substrate having an electro-optical effect; an optical waveguide section formed on the substrate; and a plurality of modulating electrodes for modulating optical waves propagating in the optical waveguide section. The optical waveguide section branches into two parts in the propagating direction of the optical waves, thus forming the two main optical waveguides, and each of the main optical waveguides branches into two parts in the propagating direction of the optical waves, thus forming the two sub optical waveguides. The two main optical waveguides constitute a main Mach-Zehnder type optical waveguide, and the two sub optical waveguides are incorporated into the main Mach-Zehnder type optical waveguide to constitute a sub Mach-Zehnder type optical waveguide. A heat conduction suppressing zone is defined on a portion of the substrate disposed between two opposite sub Mach-Zehnder type optical waveguides. | 05-06-2010 |
| 20100104241 | METHOD OF ADJUSTING OPTICAL AXIS OF OPTICAL WAVEGUIDE ELEMENT, AND OPTICAL WAVEGUIDE ELEMENT - A method of adjusting the optical axis of an optical waveguide element which can improve a manufacturing yield of the optical waveguide element, an alignment yield between the optical waveguide element and an input waveguide means, etc. and can equalize the branch ratio in a Y-branch waveguide; and an optical waveguide element which can be made compact and also M inhibited from complication in structure by using this method. The optical waveguide element ( | 04-29-2010 |
| 20100086252 | Optical waveguide device - An optical waveguide device includes: a substrate having an electro-optical effect; an optical waveguide formed on the substrate; and a control electrode for applying an electric field to the optical waveguide. The optical waveguide device has the following characteristics. A thickness of the substrate is 30 μm or less. The control electrode has a signal electrode and a ground electrode. A low-permittivity layer is formed at least on a surface portion of the signal electrode in contact with the substrate. | 04-08-2010 |
| 20100065502 | Method and Apparatus for Removing Metal From Waste Water - The present invention has an object to provide a method and an apparatus for removing metals in waste water, such as thallium contained in waste water generated by rinsing waste containing chlorine, ash obtained by burning garbage, fly ash, etc. and reduces the concentration of metals in the waste water to a discharge standard, and the present invention provides a method for removing metals comprising applying direct-current electricity by an electrolyzer | 03-18-2010 |
| 20100058963 | METHOD FOR DISPOSING OF ORGANIC WASTE OF HIGH WATER CONTENT AND DISPOSAL APPARATUS THEREFOR - A method for disposing of an organic waste of high water content according to the present invention, includes: a step in which by means of a heat exchanger ( | 03-11-2010 |
| 20100046881 | OPTICAL CONTROL DEVICE - A light control element is provided with a thin board having electro-optical effects; an optical waveguide formed on the thin board; and a control electrode for controlling light that passes through the optical waveguide. The light control element performs speed matching between a microwave signal applied to the control electrode and the light, impedance matching of the microwaves, reduction of a driving voltage and high speed operation. In the control electrode of the light control element, a signal electrode and a grounding electrode are arranged on an upper side of the thin board, and on a lower side of the thin board, a second electrode including the grounding electrode is arranged. The second electrode is arranged not to exist below the signal electrode, especially for achieving impedance matching. | 02-25-2010 |
| 20100046880 | OPTICAL CONTROL DEVICE - In a light control element comprising a thin plate having a thickness of 10 [mu]m or less and exhibiting electro optic effect, an optical waveguide formed on the thin plate, and a control electrode for controlling light passing through the optical waveguide, the control electrode includes a first electrode and a second electrode so arranged as to sandwich the thin plate, and the first electrode has a coplanar electrode consisting of a first signal electrode and a ground electrode, while the second electrode has a second signal electrode. Modulation signals having mutually inverted amplitudes are inputted to the first signal electrode of the first electrode and the second signal electrode of the second electrode such that the modulation signals cooperate to apply an electric field to the optical waveguide. | 02-25-2010 |
| 20100034496 | OPTICAL CONTROL DEVICE - A light control element is provided with a thin board having electro-optical effects; an optical waveguide formed on the thin board; and a control electrode for controlling light that passes through the optical waveguide. The light control element performs speed matching between a microwave signal applied to the control electrode and the light, impedance matching of the microwaves, reduction of a driving voltage and high speed operation. In the control electrode of the light control element, a signal electrode and a grounding electrode are arranged on an upper side of the thin board, and on a lower side of the thin board, a second electrode including the grounding electrode is arranged, through a low refractive index layer entirely formed in the length direction of the signal electrode, with a width wider than that of the signal electrode. | 02-11-2010 |
| 20090324156 | Light control device - To provide a light control device which is possible to realize a velocity matching between a microwave and an optical wave or an impedance matching of the microwaves even though a signal path having a high impedance of 70Ω or more, and is possible to reduce a driving voltage. | 12-31-2009 |
| 20090297086 | Light Modulation Device - The present invention is directed to provide a light modulation device capable of not only restricting the faint light propagating in the adhesive layer from being re-incident on the thin substrate but also increasing an adhesive strength of the thin substrate and the supplementing plate. The invention is characterized in a light modulation device having a thin substrate | 12-03-2009 |
| 20090290828 | Optical Modulator - An optical modulator is provided which suppresses a radiation mode of a microwave generated in a connection substrate or a termination substrate from entering a signal electrode of the optical modulator and suppresses modulation properties from being degraded. | 11-26-2009 |
| 20090289492 | Static Crushing Method, Aid for Static Crushing Used for the Crushing Method, and Filling Tool - A static crushing method capable of extremely safely and efficiently performing crushing operation by efficiently crushing the surface of an object to be crushed, an aid for static crushing used for the crushing method, and a filling tool. The static crushing method comprises the steps of forming a drilled hole ( | 11-26-2009 |
| 20090280305 | TRANSPARENT SUBSTRATE WITH ELECTROMAGNETIC WAVE SHIELDING FILM, METHOD OF PRODUCING THE SAME, AND APPARATUS FOR PRODUCING THE SAME - The transparent substrate with an electromagnetic wave-shielding film of the present invention includes: a primer layer | 11-12-2009 |
| 20090266271 | Method of Brake Fluid Disposal and Grinding Aid for Cement Material - Provided is a method of brake fluid disposal which is characterized in that glycol-based brake fluid is recovered from vehicles, and the recovered glycol-based brake fluid is added to a grinding step of a cement material production facility. Furthermore, a method of brake fluid disposal is characterized in that the recovered glycol-based brake fluid is mixed with diethylene glycol. With these methods, it is possible to reduce troublesome works and effectively utilize the resources in cement material production facilities. | 10-29-2009 |
| 20090252500 | Optical Modulator - It is an object of the invention to provide an optical modulator in which a connection substrate or a terminal substrate is disposed outside an optical modulation element and which can maintain at a proper voltage amplitude value a modulation signal applied to an optical modulation element. An optical modulator includes: a substrate having electro-optic effect; an optical waveguide formed on the substrate; an optical modulation element | 10-08-2009 |
| 20090202189 | Optical control element - There is provided an optical control element in which non-guided light is prevented from entering into an optical waveguide and which is excellent in optical properties, such as optical modulation properties. | 08-13-2009 |
| 20090176024 | HYDROPHILIC FILM, PROCESS FOR PRODUCING SAME, AND COATING MATERIAL FOR FORMING HYDROPHILIC FILM - The present invention provides a hydrophilic film, which displays excellent hydrophilicity, and also displays excellent durability with respect to acidic, neutral, and alkaline detergents and chemicals. | 07-09-2009 |
| 20090153948 | THz Wave Generation Device - [Task] To provide the THz wave generator restricting increase in manufacturing cost or large size of the entirety of the apparatus and generating efficiently the several-W THz wave. | 06-18-2009 |
| 20090140284 | Transparent Inorganic Oxide Dispersion and Iorganic Oxide Particle-Containing Resin Composition, Composition for Sealing Light Emitting Element and Light Emitting element, Hard Coat Film and Optical Functional Film and Optical Component, and Method for Producing Inorganic Oxide Pariticle-Containing Resin - The present invention provides a transparent inorganic oxide dispersion which makes it possible to improve the refractive index and mechanical characteristics and to maintain transparency by modifying the surface of inorganic oxide particles with a surface modifier having one or more reactive functional groups; and an inorganic oxide particle-containing resin composition in which the transparent inorganic oxide dispersion and a resin are compositely integrated by the polymerization reaction, a composition for sealing a light emitting element, a light emitting element, and a method for producing an inorganic oxide particle-containing resin composition; and a hard coat film which has high transparency and makes it possible to improve a refractive index and tenacity, an optical functional film, an optical lens and an optical component. The transparent inorganic oxide dispersion of the present invention comprises inorganic oxide particles which have a surface modified with a surface modifier having one or more reactive functional groups and have a disperse particle diameter of 1 nm or more and 20 nm or less, and a disperse medium, wherein the surface modifier is one or more kinds selected from the group consisting of a silane coupling agent, a modified silicone, and a surfactant. | 06-04-2009 |
| 20090131560 | ULTRARAPID HARDENING CEMENT COMPOSITION AND DISPERSANT FOR ULTRARAPID HARDENING CEMENT COMPOSITION - To provide an ultrarapid hardening cement composition with high strength, the composition having: excellent fluidity; excellent usable time; and excellent initial strength under low temperature atmosphere as well as under general temperature atmosphere, and improving strength and durability of a hardening product of the composition. An ultrarapid cement hardening composition comprising: an ultrarapid hardening cement (A) comprising a calcium aluminate; and a cement dispersant (B), wherein the cement dispersant (B) comprises a copolymer having: a repeating unit derived from a monomer represented by the following formula (1): | 05-21-2009 |
| 20090129718 | Light Modulator and Its Fabrication Method - It is an object of the invention to provide a light modulator using a thin plate having a thickness of 20 μm or less and capable of stably holding a conductive film suppressing troubles such as resonance phenomenon of microwaves in a substrate and pyro-electric phenomenon and to provide a method of fabricating the light modulator. The light modulator includes: a thin plate ( | 05-21-2009 |
| 20090116802 | Optical Control Device and Manufacturing Method Thereof - The purpose of present inventions is to provide an optical control device having a single-mode waveguide in the optical control device having the ridge waveguide, and to stably manufacture and provide the optical control device having the single-mode waveguide with high precision even when the substrate is a thin plate with the thickness of 10 μm or less. An optical control device having a substrate | 05-07-2009 |
| 20090116781 | Optical Waveguide Device - It is an object of the invention to realize an optical waveguide device having multiple functions or high performance, to improve the productivity of products, and to provide an optical waveguide device capable of suppressing deterioration of an operating characteristic of the optical waveguide device. An optical waveguide device includes: a thin plate | 05-07-2009 |
| 20090097795 | OPTICAL MODULATION DEVICE - Light having components of frequencies f | 04-16-2009 |
| 20090052013 | THZ WAVE GENERATOR - The present invention purposes to provide a THz-wave generator capable of generating a THz-wave stably and efficiently, and particularly, to provide the THz-wave generator which is stable against a frequency shift of a laser source and which can easily vary the frequency of the THz-wave. | 02-26-2009 |
| 20090040508 | Light Monitoring Method and Light Monitoring Apparatus - A light monitoring method and a light monitoring apparatus are provided, in which light propagating optical fibers can be monitored with a simple structure and a small number of components without causing a large connection loss or Fresnel reflection and without performing precise adjustment of optical components. The light monitoring method is characterized in that light leaking from abutting portions obtained by abutting end faces of the optical fibers is received. | 02-12-2009 |
| 20080310466 | Apparatus and Method of Generating Laser Beam - A laser beam generating apparatus includes a semiconductor element and a second harmonic generating element that performs a wavelength conversion on fundamental light emitted from the semiconductor element, the laser beam generating apparatus is an external resonance-type laser diode that has an external resonator structure and emits a transversal single mode laser beam, and the second harmonic generating element is a waveguide-type second harmonic generating element that includes a single mode waveguide. | 12-18-2008 |
| 20080264872 | Method of and Apparatus for Treating Chlorine-Containing Waste - The present invention provides a method and an apparatus for treating a chlorine-containing waste, which can separate and recover a chlorine component from a chlorine-containing waste, and also can achieve a high chlorine removal thereby obtaining a high purity chlorine compound, and can decrease the amount of water for recovering chlorine. The method for treating a chlorine-containing waste of the present invention comprises a washing/filtrating step of adding water to the chlorine-containing waste, followed by mixing to form a first slurry, separating the first slurry into a solid and a filtrate through filtration, and using the resulting solid as a cement raw material; a filtrate treating step of adding a reducing agent and a pH adjustor to the filtrate to form a sediment containing heavy metal and calcium contained in the filtrate, and separating the sediment through filtration; a crystallization step of concentrating the filtrate, from which the sediment has been removed, through heating and evaporation to form a second slurry in which a chlorine compound contained in the filtrate has been crystallized, separating the second slurry into a solid containing a chlorine compound and a mother liquor, and recovering the solid; and a separated mother liquor treating step of returning a portion of the mother liquor to a cement manufacturing facility. | 10-30-2008 |
| 20080212915 | Nested modulator - A nested modulator is provided where the circuit arrangement of modifying electrodes including signal electrodes is simplified, and at the same time, the drive voltage can be lowered. | 09-04-2008 |
