TAMURA CORPORATION Patent applications |
Patent application number | Title | Published |
20160141372 | Ga2O3 SEMICONDUCTOR ELEMENT - Provided is a Ga | 05-19-2016 |
20160122899 | METHOD FOR CULTIVATING BETA-Ga2O3 SINGLE CRYSTAL, AND BETA-Ga2O3-SINGLE-CRYSTAL SUBSTRATE AND METHOD FOR PRODUCING SAME - Provided is one embodiment which is a method for growing a β-Ga | 05-05-2016 |
20160115621 | METHOD FOR CULTIVATING BETA-Ga2O3 SINGLE CRYSTAL, AND BETA-Ga2O3-SINGLE-CRYSTAL SUBSTRATE AND METHOD FOR PRODUCING SAME - Provided is one embodiment which is a method for growing a β-Ga | 04-28-2016 |
20160032485 | METHOD FOR GROWING BETA-GA2O3-BASED SINGLE CRYSTAL - Provided is a method for growing a β-Ga | 02-04-2016 |
20160017512 | Ga2O3 SINGLE CRYSTAL SUBSTRATE, AND PRODUCTION METHOD THEREFOR - Provided are a Ga | 01-21-2016 |
20160002823 | METHOD FOR CONTROLLING DONOR CONCENTRATION IN Ga2O3 SINGLE CRYSTAL BODY, AND METHOD FOR FORMING OHMIC CONTACT - Provided is a method for controlling a donor concentration in a Ga | 01-07-2016 |
20150364646 | CRYSTAL LAYERED STRUCTURE AND LIGHT EMITTING ELEMENT - A crystal layered structure includes a Ga | 12-17-2015 |
20150090367 | FLUX FOR SOLDERING AND SOLDER PASTE COMPOSITION - A flux for soldering includes a base resin, a solvent, and an activating agent. The base resin contains a rosin. An amount of the rosin to be incorporated is from 0% by weight to 30% by weight with respect to a total amount of the base resin. The activating agent includes a compound having a plurality of carboxyl groups on a cyclohexyl structure represented by a general formula (1). | 04-02-2015 |
20150090366 | SOLDERING FLUX AND SOLDER PASTE COMPOSITION - A soldering flux includes a base resin, an activator, and a solvent. The activator contains an acrylic resin having an acid value of not more than 50 mg KOH/g and represented by a general formula (1). | 04-02-2015 |
20140295148 | PHOTOSENSITIVE RESIN COMPOSITION - A photosensitive resin composition includes a carboxyl group-containing photosensitive resin, a photopolymerization initiator, a compound having an ethylenic unsaturated group, a non-reactive diluent, and an epoxy compound. The photopolymerization initiator includes an oxime ester compound and an aminocarbonyl compound having a tertiary amino group. | 10-02-2014 |
20140292461 | COUPLED INDUCTOR - A coupled inductor comprises an annular core | 10-02-2014 |
20140292456 | REACTOR - A reactor includes an annular core, coils, a sensor detecting a state of the reactor, and a connector outputting signal from the sensor. Resin-molded bodies are provided around the annular core. The resin-molded body has bobbins for the respective coils and core covering portions formed integrally with each other. An exposed area where no resin covers the bottom of the core is formed in the lower face of the covering portions. A holder to fasten the connector is formed integrally with the upper portion of the covering portion. An assembly including the resin-molded bodies in which the annular core is embedded, and the coils wound around the bobbins are retained in a metal casing. A clearance is formed between the assembly and the casing, and a filler is filled in this clearance. The filler covers the exposed area of the core bottom. | 10-02-2014 |
20140239452 | SUBSTRATE FOR EPITAXIAL GROWTH, AND CRYSTAL LAMINATE STRUCTURE - Provided is a substrate for epitaxial growth, which enables the improvement in quality of a Ga-containing oxide layer that is formed on a β-Ga | 08-28-2014 |
20140231830 | CRYSTAL LAYERED STRUCTURE AND METHOD FOR MANUFACTURING SAME, AND SEMICONDUCTOR ELEMENT - Provided is a crystal layered structure having a low dislocation density on the upper surface of a nitride semiconductor layer on a Ga | 08-21-2014 |
20140230723 | METHOD FOR PRODUCING B-Ga203 SUBSTRATE AND METHOD FOR PRODUCING CRYSTAL LAMINATE STRUCTURE - Provided are: a method for producing a β-Ga | 08-21-2014 |
20140217642 | REACTOR AND MANUFACTURING METHOD THEREOF - Divided cores | 08-07-2014 |
20140217554 | CRYSTAL LAMINATE STRUCTURE AND METHOD FOR PRODUCING SAME - A crystal laminate structure, in which crystals can be epitaxially grown on a β-Ga | 08-07-2014 |
20140217471 | Ga2O3 SEMICONDUCTOR ELEMENT - Provided is a high-quality Ga | 08-07-2014 |
20140217470 | Ga2O3 SEMICONDUCTOR ELEMENT - Provided is a high-quality Ga | 08-07-2014 |
20140217405 | Ga2O3 SEMICONDUCTOR ELEMENT | 08-07-2014 |
20140197780 | CHARGING APPARATUS FOR SECONDARY BATTERY - A charging apparatus for a secondary battery comprises: a power supply circuit connected to a primary winding | 07-17-2014 |
20140162072 | THERMOSETTING RESIN COMPOSITIONS, RESIN FILMS IN B-STAGE, METAL FOILS, COPPER CLAD BOARDS AND MULTI LAYER BUILD-UP BOARDS - A thermosetting resin composition contains a liquid epoxy resin, a solid epoxy resin having a softening point of 125° C. or lower, an aromatic diamine compound including benzoate group and a main chain including polymethylene group, a solvent soluble polyimide resin having Tg of 200° C. or higher and a weight average molecular weight Mw of 50000 or smaller, and a phenoxy resin having Tg of 130° C. or higher. A total of amounts of the solvent soluble polyamide resin and the phenoxy resin is 15 weight parts or more and 150 weight parts or less, provided that 100 weight parts are assigned to a total of amounts of the liquid epoxy resin, the solid epoxy resin and the aromatic diamine compound. | 06-12-2014 |
20140159844 | REACTOR - A reactor includes a core made of a magnetic material; a resin mold that encloses the core; a coil that is wound around the core through the resin mold; a plurality of fasteners located on the resin mold; and a supporting member that is secured to the resin mold through the fasteners. At least one of the plurality of fasteners is a flexible fastener. | 06-12-2014 |
20140048823 | SEMICONDUCTOR STACKED BODY, METHOD FOR MANUFACTURING SAME, AND SEMICONDUCTOR ELEMENT - A method for manufacturing a semiconductor stacked body, and a semiconductor element including the semiconductor stacked body includes a semiconductor stacked body, including a Ga | 02-20-2014 |
20130249666 | REACTOR AND MANUFACTURING METHOD THEREOF - First and second divisional cores each including right and left leg portions and a yoke interconnecting those together are formed by molding respective yoke-side core members in a resin. Cylindrical core mounting portions extending from the outer circumference of the surface of the yoke-side core member are formed integrally with the respective right and left leg portions of the first. divisional core. I-shaped leg-portion-side core members and spacers are attached in the cylindrical core mounting portion formed in each of the right and left leg portions. The surface of the yoke-side core member molded in the resin and the surface of the leg-portion-side core member are disposed so as to have a spacer therebetween. The two divisional cores are joined together by butting respective leg portions of the two divisional cores with each other to form an annular mold core, and a coil is wound around the mold core. | 09-26-2013 |
20130241686 | REACTOR AND MANUFACTURING METHOD THEREOF - A reactor includes a coil and a core unit having partial cores butted against one another to form a closed magnetic path. The partial cores include a first partial core forming and a second partial core. The first partial core is inserted in the hollow of the coil. A pressed face of the first partial core is oriented orthogonal to the winding axis direction of the coil. The second partial core is butted against the first partial core. A pressed face of the second partial core is oriented orthogonal to a direction different from the winding axis direction. The pressed face of the second partial core is a substantially flat plane. | 09-19-2013 |
20130106556 | REACTOR AND MANUFATURING METHOD THEREOF | 05-02-2013 |
20120194311 | CORE FIXING MEMBER AND COIL DEVICE - A core fixing member including: a core fixing part that has a plate-like shape and is to be fixed to a core; a case fixing part that has a plate-like shape and is to be fixed to a case; and at least one an arm part connecting the case fixing part with the core fixing part, and wherein the core fixing part and the case fixing part are arranged in a same plane, and the at least one arm part is formed in a shape of a letter ‘U’, and one end of the at least one arm part is connected to the core fixing part and the other end of the at least one arm part is connected to the case fixing part. | 08-02-2012 |
20120154100 | COIL AND METHOD FOR FORMING A COIL - A reactor coil includes first and second coil elements each formed by edgewise and rectangular winding of one piece of rectangular wire rod in a manner in which the wound rectangular wire rod is stacked rectangularly and cylindrically and, at a winding terminating end point of the first coil element, the rectangular wire rod is bent approximately 90 degrees in a direction opposite to the winding direction of the first coil element so that the rectangular wire rod is stacked in a direction opposite to the stacking direction of the first coil element and is wound edgewisely and rectangularly in a direction opposite to the winding direction of the first coil element to form the second coil element and, as a result, the first coil element and second coil element are aligned in parallel to each other in a continuous state. | 06-21-2012 |
20120032771 | Coil and method of forming the coil - A coil formed by winding one flat type wire material rectangularly edgewise thereby stacking the rectangularly edgewise wound flat type wire in rectangular tube shape, wherein not only one edge of the coil including the flat type wire including an end portion of start-of-winding thereof but also another edge of the coil including the flat type wire including an end portion of finish-of-winding thereof are formed to be projecting from an outer circumference of the coil. | 02-09-2012 |
20110169598 | Reactor part - A reactor part includes at least a winding and a magnetic substance core, in which the core includes a pair of winding portions around each the winding is wound, and a non-winding portion around which no winding is wound, wherein a cross-sectional area in a direction orthogonal to a magnetic path of the non-winding portion of the core is made smaller than a cross-sectional area in a direction orthogonal to a magnetic path of the each of winding portions. | 07-14-2011 |
20110006779 | FLUX-GATE LEAKAGE CURRENT SENSOR - A flux-gate leakage current sensor includes: an annular core; a coil wound around the core; a driving circuit which applies to the coil a voltage with a positive/negative symmetric rectangular wave so as to saturate a density of a magnetic flux of the coil while reversing a direction of the magnetic flux; a comparator circuit which compares a measured voltage changing according to a coil current flowing in the coil with a positive-side reference voltage and a negative-side reference voltage that are positive/negative symmetric to each other, and outputs a positive-side electric signal corresponding to a period in which the measured voltage is higher than the positive-side reference voltage and a negative-side electric signal corresponding to a period in which the measured voltage is lower than the negative-side reference voltage; and a determination circuit which compares the positive-side electric signal and the negative-side electric signal output from the comparator circuit. | 01-13-2011 |
20110006753 | ELECTRIC CURRENT SENSOR - An electric current sensor, including a circular magnetic material core, an excitation coil wound around the magnetic material core, a supplemental excitation coil wound around the magnetic material core, a first excitation circuit that applies an alternating excitation voltage to the excitation coil, a second excitation circuit that applies pulsed voltages synchronized with rising edges and lowering edges of the excitation voltage, the pulsed voltages causing the supplemental coil generate magnetic fields having the same directions as that of the magnetic fields generated by the excitation coil, a current-to-voltage converter that converts a current flows through the excitation coil into a voltage, and a detection unit that detects respective timings when the alternating magnetic field in the magnetic material core is saturated in a positive direction and in a negative direction. | 01-13-2011 |
20100319802 | LINKED COIL FORMATION DEVICE AND METHOD OF FORMING LINKED COILS - [Problem to be Solved] A first coil and a second coil are efficiently formed in the shape of a rectangular cylinder and in parallel to each other, by bending and processing a flat wire, and a linking part of each of the coils, is linked with the same material without welding or folding. | 12-23-2010 |
20100226410 | Securing structure of sensor element having lead and securing unit thereof - A securing structure for securing a measuring member having a sensor element and a lead elongated from the sensor element to a subject to be measured, the securing structure includes the measuring member including a measuring section having a covered portion in which a part of the lead elongated from the sensor element and having a predetermined length is covered by a material having a rigidity larger than that of the lead, the covered portion being folded toward the side of the lead elongated from the covered portion to produce a folded end portion; and the subject to be measured having an insertion section through which the measuring section is inserted from the side of the folded end portion, a container section which contains the measuring section inserted through the insertion section, and a contact section with which the head portion of the covered portion comes into contact and by which the measuring section is prevented from falling out, when the lead is pulled. | 09-09-2010 |
20100219228 | REFLOW APPARATUS - The present invention provides a reflow apparatus capable of precisely adjusting the heating temperature and heating time when heating a work for reflow. A work transfer conveyor for transferring a work into a furnace body is disposed, wherein a plurality of preheating zones through for preheating the work, a plurality of reflow zones for heating the work for reflow, and a plurality of cooling zones for cooling the work are successively arranged along the work transfer conveyor in the furnace body. The individual reflow zones are formed shorter than the individual preheating zones in the work transfer direction. It is preferable that the sizes of the individual reflow zones in the transfer direction are shortened to approximately 65% to 85% with respect to the individual preheating zones or the conventional individual reflow zones. | 09-02-2010 |
20090231078 | Switching Transformer - There is provided a switching transformer which enables material costs to be reduced while the performance to be improved, permitting cost and size reductions, and which is suitable for mass production by ensuring good assemblability. Instead of using a conventional coil bobbin having a winding drum part, a center-leg-having core | 09-17-2009 |
20090206145 | REFLOW SYSTEM - A reflow system in which a reflow furnace is sequentially divided into a plurality of zones along a conveying path of a heat target which is conveyed and by controlling temperatures of the plurality of zones, the heat target which is conveyed is reflowed has: a cooling and flux collecting apparatus circulating and cooling atmosphere gases in furnace bodies of a part or all of the plurality of zones and collecting a flux; and a flow rate control unit which is inserted into a circulating path of the atmosphere gas of each of the zones and can control a flow rate. When the temperature of the zone is reduced, by controlling the flow rate control unit, the flow rate is set to be higher than that upon collecting the flux. | 08-20-2009 |
20090146535 | PIEZOELECTRIC TRANSFORMER - A piezoelectric transformer includes: a piezoelectric transducer on whose outer surface an electrode is formed; a case housing the piezoelectric transducer; a terminal disposed to face the electrode; an elastic member in contact with both the electrode and the terminal in the case and having conductivity to bring the electrode and the terminal into mutual continuity; and a folder formed in the case and fixedly holding the elastic member to press-fit the elastic member between the electrode and the terminal. | 06-11-2009 |
20090144967 | Coil and Method for Forming Coil - [Problem] Manufacturing work of a coil is simplified and miniaturization of a reactor is achieved by reducing occupied space as much as possible. | 06-11-2009 |
20090029603 | ELECTRICAL APPARATUS AND METHOD OF MANUFACTURING THE SAME - An electrical apparatus connected to a commercial power source includes: a case made of resin and housing a functional member; blades insert-molded in the case and each having an exposed part connected to the commercial power source and a resin facing part which is enclosed by the resin and all along an outer periphery of which a groove is formed; and elastic members each disposed between the resin and the resin facing part and having a fitting convex coming into close contact with the groove at the time of the insert molding. | 01-29-2009 |
20090009276 | TRANSFORMER MOUNTED ON CIRCUIT BOARD WITH MAIN BODY SURROUNDED BY INSULATING COVER - A transformer | 01-08-2009 |
20090008432 | HEATING DEVICE, REFLOW DEVICE, HEATING METHOD, AND BUMP FORMING METHOD - A solder bump is formed on a substrate by using a heating device where a lid structure blocks hot air from directly blowing against a solder composition. The heating device can reduce high-temperature oxygen molecules that come into contact with the solder composition, oxidation of the solder composition is suppressed. As a result, although the hot air is used for heating, a solder bump can be formed by the liquid-like solder composition. Further, because the lid structure is uniformly heated by the hot air, radiation heat from the lid structure is also uniform, and a container is more uniformly heated. In addition, because the hot air is suppressed from directly blowing against a liquid surface, the liquid-like solder composition is not scattered by the hot air. | 01-08-2009 |
20080290812 | Transformer Driver and Transformer Driving Method - A transformer driver capable of making a load current constant with a simple configuration is provided. A driver | 11-27-2008 |