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| Number | Title | Issue Date |
| 7352273 | Chip resistor The invention relates to a method of making a chip resistor using a material substrate for which are set a plurality of first cutting lines extending in a first direction and a plurality of second cutting lines extending in a second direction perpendicular to the fi... | 04/01/2008 |
| 7343671 | Process for manufacturing a composite polymeric circuit protection device A process for manufacturing a composite polymeric circuit protection device in which a polymeric assembly is provided and is then subdivided into individual devices. The assembly is made by providing first and second laminates, each of which includes a laminar polym... | 03/18/2008 |
| 7190252 | Surface mount electrical resistor with thermally conductive, electrically insulative filler and method for using same An electrical resistor is provided with a resistive element and terminations extending from opposite ends of the resistive element. The terminations are folded under the resistive element, with a thermally conductive and electrically insulative filler being sandwich... | 03/13/2007 |
| 7161459 | Chip-type electronic component and chip resistor In chip electronic components, the application state of conductive paste that makes side electrodes can be optically distinguished in the production of small-sized chip electronic components. The chip electronic component comprises a substrate, and side electrodes d... | 01/09/2007 |
| 7154373 | Surface mounting chip network component A surface mounting chip network component in which a network having three or more odd number of terminals are formed on the surface of an insulating substrate and Tomb Stone Phenomenon is suppressed. Even number of network circuits are formed on the surface of the i... | 12/26/2006 |
| 7102484 | High power resistor having an improved operating temperature range A high power resistor includes a resistance element with first and second leads extending out from the opposite ends thereof. A heat sink of dielectric material is in heat conducting relation to the resistance element. The heat conducting relationship of the resista... | 09/05/2006 |
| 7090509 | Multi-port pluggable transceiver (MPPT) with multiple LC duplex optical receptacles An interface converter module includes a metallized housing having a first end and a second end. A printed circuit board is mounted within the housing and has mounted thereon electronic circuitry configured to convert data signals from a host device transmission med... | 08/15/2006 |
| 7084733 | Chip-type electronic component and chip resistor In chip electronic components, the application state of conductive paste that makes side electrodes can be optically distinguished in the production of small-sized chip electronic components. The chip electronic component comprises a substrate, and side electrodes d... | 08/01/2006 |
| 7069641 | Method for preparing composite materials of a positive temperature coefficient thermistor The present invention discloses a method for preparing a conductive polymeric composite material having carbon black utilized to a structure for composite materials of a positive temperature coefficient thermistor. The method first provides a metal laminated materia... | 07/04/2006 |
| 7053748 | Electrical devices A composite circuit protection device includes a laminar insulating member and first and second laminar circuit protection devices. Each of the first and second laminar circuit protection devices includes (1) a first laminar electrode, (2) a second laminar electrode... | 05/30/2006 |
| 7038572 | Power chip resistor A method and apparatus for a stacked power chip resistor is disclosed. The invention provides for multiple power chip resistors to be stacked, providing for encapsulant such as glass to separate each power chip resistor and a metal barrier such as nickel plating on ... | 05/02/2006 |
| 7012501 | Electrical multi-layer component An electrical component includes a base body that contains dielectric layers. The dielectric layers are superimposed and contain ceramic. The component also includes outer contacts on an exterior of the base body, and a resistor in an interior of the base body locat... | 03/14/2006 |
| 6982624 | Chip resistor A chip resistor includes an insulating chip substrate, a resistor film formed on the substrate, a pair of upper electrodes formed from silver paste to be connected to the resistor film, a cover coat covering the resistor film, an auxiliary electrode formed on each o... | 01/03/2006 |
| 6960980 | Power converter with shunt resistor A power converter includes a shunt resistor constituted by a shunt resistance and a plurality of main electrodes made of a sheet-like resistive material. In the shunt resistor, plates lower in volume electric resistivity than the resistive material, higher in therma... | 11/01/2005 |
| 6925704 | Method for making high power resistor having improved operating temperature range A high power resistor includes a resistance element with first and second leads extending out from the opposite ends thereof. A heat sink of dielectric material is in heat conducting relation to the resistance element. The heat conducting relationship of the resista... | 08/09/2005 |
| 6873244 | Surface mountable laminated thermistor device The present invention discloses a surface mountable laminated thermistor device which utilizes current-used double sided metal foil clad substrate as a base material and a PTC conductive composite that complies with circuit connection design combinations among elect... | 03/29/2005 |
| 6861941 | Chip resistor A chip resistor including an elongated chip substrate, a resistive layer formed on the substrate, a silver-containing upper electrode connected to the resistive layer, an undercoat enclosing the resistive layer and extending onto part of the upper electrode, an auxi... | 03/01/2005 |
| 6859133 | Resistor The resistor of the present invention comprises a substrate, a pair of upper electrode layers disposed on one surface of the substrate, and a resistor layer connected to the pair of upper electrode layers, wherein the upper electrode layer includes a first thin film... | 02/22/2005 |
| 6856234 | Chip resistor A chip resistor includes an insulating substrate 2 in the form of a chip having an upper surface and an opposite pair of side surfaces, a resistor film 4 formed on the upper surface of the insulating substrate 2, a pair of upper electrodes 5 ... | 02/15/2005 |
| 6838972 | PTC circuit protection devices An electrical circuit protection device with three supporting substrates, two PTC elements, and first and second end terminations. The first and third substrates have an electrode formed on a first surface thereof. The second substrate has electrodes formed on both ... | 01/04/2005 |
| 6801118 | Low-resistance resistor and its manufacturing method The present invention relates to the resistors used for detecting current in a current-carrying circuit as a voltage, and aims to provides a resistor which assures highly accurate measurement of resistance even if the measuring point is not precisely placed. To obta... | 10/05/2004 |
| 6759940 | Temperature compensating device with integral sheet thermistors In accordance with the invention, a temperature compensating device comprises one or more integrated sheet thermistors. Because the sheet thermistors are relatively thick and integral with the substrate, they are less susceptible to changes in air temperature and to... | 07/06/2004 |
| 6727798 | Flip chip resistor and its manufacturing method The present invention provides for a flip chip resistor having a substrate having opposite ends, a pair of electrodes formed from a first electrode layer disposed on the opposite ends of the substrate, a resistance layer electrically connecting the pair of electrode... | 04/27/2004 |
| 6724295 | Chip resistor with upper electrode having nonuniform thickness and method of making the resistor A method of making a chip resistor is provided. According to this method, an aggregate board is first prepared which includes a first region and a second region which are spaced from each other via an excess portion. Then, a conductor pattern is formed which extends... | 04/20/2004 |
| 6677850 | Layered current sensor An electrical current sensor and utility electricity meter, the current sensor comprising a π resistor shunt configuration, wherein the resistors comprise layered conductors at substantially equal temperatures to provide a zero temperature coefficient se... | 01/13/2004 |
| 6640420 | Process for manufacturing a composite polymeric circuit protection device A process for manufacturing a composite polymeric circuit protection device in which a polymeric assembly is provided and is then subdivided into individual devices. The assembly is made by providing first and second laminates, each of which includes a la... | 11/04/2003 |
| 6636143 | Resistor and method of manufacturing the same The present invention relates to a resistor and a manufacturing method of the same. The invention aims at providing the resistor and the manufacturing method thereof that can reduce a soldering area that occupies a mount area, when the resistor is mounted... | 10/21/2003 |
| 6606023 | Electrical devices A composite circuit protection device includes a laminar insulating member and first and second laminar circuit protection devices. Each of the first and second laminar circuit protection devices includes (1) a first laminar electrode, (2) a second lamina... | 08/12/2003 |
| 6563214 | Electronic component and method of manufacturing the same An electronic component having a substrate on which one or more grooves are formed on its opposing side faces; electrodes formed on the groove and top and bottom faces of the substrate at a portion adjacent to the groove; and a circuit element formed betw... | 05/13/2003 |
| 6492896 | Chip resistor There are provided a pair of upper surface electrodes 21, 31 at both end sections, which are opposed to each other, of the insulating substrate 1 made of alumina. There is provided a resistor body 4 on the substrate 1 so that the upper surface electrode 2... | 12/10/2002 |
| 6441717 | PTC thermister chip A chip polymer PTC thermistor for surface mount assembly having a superior long-term connection reliability between side electrode and main and sub electrodes. The thermister comprises; a rectangular parallelepiped conductive polymer(11) having PTC proper... | 08/27/2002 |
| 6411191 | Current-limiting device employing a non-uniform pressure distribution between one or more electrodes and a current-limiting material A current-limiting device includes a current-limiting material, such as a molded thermoset material, and first and second electrodes structured for carrying current through the current-limiting material. The first electrode electrically engages a first po... | 06/25/2002 |
| 6380839 | Surface mount conductive polymer device A surface mount conductive polymer device includes a layer of conductive polymer material laminated between first and second metal foil electrodes. A thermal stress relief area is formed as an etched-out area in each of the electrodes. The etched-out area... | 04/30/2002 |
| 6362723 | Chip thermistors A chip thermistor is produced by first preparing green sheets containing a thermistor ceramic material and an organic binder, then applying a resistor paste on one or more of these green sheets and an inner electrode paste on some others, and forming a la... | 03/26/2002 |
| 6359546 | Chip device, and method of making the same A chip device and a manufacturing method therefor are disclosed, in which the resistivity of the chip resistor device is constantly maintained even without using silver for lowering the self resistance in portions other than the upper electrode, thereby c... | 03/19/2002 |
| 6356184 | Resistor chip A resistor chip has a pair of mutually separated upper-surface electrodes on the upper surface of an electrically insulating substrate in a form of a chip, an resistor film having end portions which are each over a corresponding one of these upper-surface... | 03/12/2002 |
| 6297722 | Surface mountable electrical device A process for manufacturing surface mountable electrical devices includes the steps of preparing a PTC resistive plate, covering the plate with first and second conductive layers to form a laminate, forming a plurality of spaced apart bores of cross-shape... | 10/02/2001 |
| 6223423 | Multilayer conductive polymer positive temperature coefficient device A conductive polymer PTC device includes upper, lower, and center electrodes, with a first PTC conductive polymer layer between the upper and center electrodes, and a second PTC conductive polymer layer between the center and lower electrodes. Each of the... | 05/01/2001 |
| 6201682 | Thin-film component A thin-film component, for example a capacitor, a resistor and a coil, as well as combinations thereof. A substrate of an electrically insulating material (preferably glass), is provided with two U-shaped side contacts and with an electrical structure whi... | 03/13/2001 |
| 6172592 | Thermistor with comb-shaped electrodes A chip-type thermistor has a pair of electrically conductive planar comb-shaped surface electrodes facing each other on one of principal surfaces of a thermistor block, and an insulating layer covers these surface electrodes. A pair of outer electrodes ar... | 01/09/2001 |
