KOA CORPORATION Patent applications |
Patent application number | Title | Published |
20150371804 | CHIP TYPE FUSE - Provided is a chip type fuse excellent in resistance to climatic condition, where the fuse is able to operate stably under high temperature and high humidity environments. The fuse includes an insulative substrate; an under-glass layer formed on the insulative substrate; a fuse element formed on the under-glass layer; a pair of electrodes formed at both end sides of the fuse element; and an over-glass layer covering at least a fusing section of the fuse element; wherein the fuse element includes a layer where a first metal layer and a second metal layer are piled up, and a barrier layer consisting of a third metal layer, which covers the first metal layer and the second metal layer with width that is wider than the width of the first metal layer and the second metal layer. The third metal layer overwraps the second metal layer intervening and the first metal layer. | 12-24-2015 |
20150323567 | RESISTOR FOR DETECTING CURRENT - Provided is a metal plate resistor, which is able to be manufactured easily, and which has heat dissipation characteristics with a small variation, while maintaining small and compact structure. The resistor includes a resistance body ( | 11-12-2015 |
20150226768 | RESISTOR FOR DETECTING CURRENT - Provided is a resistor for detecting current, which includes a voltage terminal member capable of removing an influence of error voltage, formed by tiny amount of self inductance existing in the resistor. The voltage terminal member includes a resistance body ( | 08-13-2015 |
20150212115 | CURRENT DETECTION RESISTOR - Provided is a current detection resistor that is small and that inhibits influence of the skin effect due to high frequency current. The resistor includes a resistor body ( | 07-30-2015 |
20140370754 | TERMINAL CONNECTION STRUCTURE FOR RESISTOR - Provided is a connection structure for a detection terminal of shunt resistor that allows a lead wire, that is to be connected to an electrode of the shunt resistor and is for detecting electrical current, to be easily and compactly connected to the electrode within a narrow and small module. A terminal connection structure for a resistor, which connects a detection terminal to an electrode, comprises a shunt resistor ( | 12-18-2014 |
20140125429 | SHUNT RESISTOR DEVICE - Provided is a voltage detection circuit, which can remove influence of error voltage caused by tiny amount of self-inductance existing in a shunt resistor, though in the resistor for large current usage, which is impossible to surface-mount on a voltage detection circuit board. The shunt resistor device comprises: a resistance body ( | 05-08-2014 |
20140097933 | SHUNT RESISTOR AND METHOD FOR MANUFACTURING THE SAME - Provided is a shunt resistor, which controls an influence of skin effect by high frequency current. The shunt resistor has a rod-shaped resistance body ( | 04-10-2014 |
20130162388 | SURFACE MOUNTING VARISTOR - A surface mounting varistor for high voltages and current pulses without any risk of burning a mounting board is provided. A covering material for a varistor | 06-27-2013 |
20120229247 | SHUNT RESISTOR AND METHOD FOR MANUFACTURING THE SAME - Provided is a shunt resistor which has an excellent accuracy of current detection and a small temperature drift as well as a compact structure, and improves the operability. The shunt resistor is provided with a resistance body ( | 09-13-2012 |
20120223807 | METHOD FOR MANUFACTURING A RESISTOR - To provide manufacturing method for resistor that uses metal plate as resistance body, which can obtain desired accurate resistance value without trimming resistance body even if product becomes small. The method comprises; in method for manufacturing an unit resistor that has a pair of electrodes separated by insulation film, from resistor material that is provided with a metal plate consisting of resistance material, an insulation film pattern formed on the metal plate, and an electrode region formed besides area where insulation film pattern has been formed, by piercing predetermined piercing area, wherein length E of insulation film pattern is longer than width w of piercing area, wherein width L of insulation film pattern extends or narrows along direction of length E of insulation film pattern, and wherein position X of piercing area is adjusted in extent and in direction of length E of insulation film pattern. | 09-06-2012 |
20110128107 | CHIP INDUCTOR AND MANUFACTURING METHOD THEREOF - To provide a chip inductor, which can make magnetic loss of the inductor element reduced, excellent in electrical property such as high Q etc., and high reliability, which is demanded for use in vehicles. The chip inductor comprises a ferrite core ( | 06-02-2011 |
20100328021 | RESISTOR DEVICE - The resistor device is provided with a resistive plate ( | 12-30-2010 |
20100072898 | LED DRIVING CIRCUIT - An LED driving circuit is provided for making it possible to economically drive a serially connected LED circuit by means of a switching device with a relatively low withstanding voltage even if the number of serially connected LED devices increases. In an LED driving circuit provided with a serially connected LED circuit ( | 03-25-2010 |
20090322468 | Chip Resistor and Manufacturing Method Thereof - [Problem] To provide a chip resistor and a method for manufacturing thereof, the chip resistor keeping easily soldering strength even if mounted in a horizontal position, and never projects from a holding recess of a positioning jig in a mounting process, and further does not hinder miniaturization thereof from being promoted, while keeping a good appearance thereof. | 12-31-2009 |
20090134967 | RESISTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - To provide a glazed metal film resistor device excellent in TCR characteristics with using an economical base body containing glass by reducing affection to TCR characteristics caused by glass contained in the base body. The resistor device comprises base body | 05-28-2009 |
20090115569 | Chip Resistor - [Problem] To provide a chip resistor that is unlikely to suffer from mounting failure and capable of readily lowering its resistance. | 05-07-2009 |
20090108986 | Chip Resistor - [Problem] To provide a chip resistor that readily lowers its resistance and exhibits excellent manufacturing yield. | 04-30-2009 |
20080311360 | Thick film circuit component and method for manufacturing the same - A thick film circuit component has a thick film electrode interconnect which allows an electrode on a semiconductor chip and an aluminum wire to be directly bonded to each other with a sufficient bonding strength. The thick film circuit component has an insulated substrate | 12-18-2008 |