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| Number | Title | Issue Date |
| 7911319 | Resistor, and method for making same A resistor includes a substantially cylindrical resistive element having a resistance of less than about 1 mΩ, a substantially cylindrical first termination electrically connected to the resistive element and a second termination electrically connected to the resis... | 03/22/2011 |
| 7355504 | Electrical devices An electrical device which comprises first and second laminar electrodes and a laminar PTC resistive element sandwiched between them, the device comprising (a) a main portion which comprises a main part of the first electrode, a ma... | 04/08/2008 |
| 7342480 | Chip resistor and method of making same A chip resistor includes a resistor element of a rectangular solid made of an alloy composed of high-resistant metal and low-resistant metal. The resistor has connection terminal electrodes disposed at the ends of the resistor element that are spaced longitudinally ... | 03/11/2008 |
| 7286038 | Over-current protection device An over-current protection device comprises two metal foils and a positive temperature coefficient (PTC) material layer laminated between the two metal foils. The PTC material layer includes: (1) a polymer substrate, being 35-60% by volume of the PTC material layer ... | 10/23/2007 |
| 7241975 | Igniter systems with associated lead frame Resistive igniter systems are provided that comprise a metal substrate with an associated resistive igniter element in electrical connection through braze applied to the metal substrate. Igniter systems of the invention can enable significantly simplified manufactur... | 07/10/2007 |
| 7235742 | Circuit board connector A circuit board connector includes a main body portion, a first connecting portion for connection to a first circuit board, and a second connecting portion for connection to a second circuit board. The circuit board connector is obtained by cutting a conductive plat... | 06/26/2007 |
| 7193499 | Chip resistor and method of making the same A chip resistor includes a resistor element in the form of a chip, and at least two electrodes formed on the resistor element. The resistor element includes an upper surface, a lower surface, and two end surfaces extending between the upper and the lower surfaces an... | 03/20/2007 |
| 7166523 | Silicon carbide and method of manufacturing the same In a method of manufacturing a silicon carbide substance, such as a film, a layer, a semiconductor, which is doped with an impurity, a carbonization process is executed after formation of a doped silicon substance which is obtained by carrying out a silicon depositi... | 01/23/2007 |
| 7138900 | Resetable over-current protection device and method of making the same The present invention relates to a resetable over-current protection device. The device is characterized in that: disconnected areas are maintained at end faces of formed cutting regions of the protection device, wherein one or two of the end faces of the formed cut... | 11/21/2006 |
| 7102483 | Multi-layer over-current protector An over-current protector comprised of multiple over-current protection devices each at various switching temperature and provided with positive temperature coefficient; all devices being stacked and segregated with an reinforced insulation layer and connected in pa... | 09/05/2006 |
| 7098768 | Chip resistor and method for making the same A chip resistor includes: an insulating chip substrate 11 having an upper surface formed with a resistive film 12 and a pair of left and right upper electrodes 13 at two ends thereof; a cover coat 14 covering the resistive film; auxiliary... | 08/29/2006 |
| 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 |
| 7075408 | Laminate-type positive temperature coefficient thermistor A positive temperature coefficient thermistor has a non-heating portion which is not heated when a voltage is applied between first and second internal electrodes. The non-heating portion is provided in the approximate center of the positive temperature coefficient ... | 07/11/2006 |
| 7053749 | Metal plate resistor A metal plate resistor includes a resistive body comprising a metal plate, and at least a pair of electrodes joined respectively to opposite ends of the resistive body, the electrodes being made of a highly conductive metal conductor. The resistive body has a main s... | 05/30/2006 |
| 7042328 | 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... | 05/09/2006 |
| 7042330 | Low resistance value resistor The low resistance value resistor 11 has two electrodes 12,13 of metal strips having a high electrical conductivity. The metal strips are affixed on the resistor body by means of rolling and/or thermal diffusion bonding. A fused solder layer is formed ... | 05/09/2006 |
| 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 |
| 6975495 | Circuit configuration and method for measuring and limiting currents A circuit configuration and a method for determining a current drawn from a mains by a converter through a dc voltage intermediate circuit, replaces a required pulse-resistant input current measuring resistor with a conductor track of the circuit configuration itsel... | 12/13/2005 |
| 6933829 | Electrical component having a protective layer An electrical component includes a base, connector elements connected to the base, an intermediate layer on a surface of the base, and a protective layer on the intermediate layer. The intermediate layer and the protective layer are produced from a same material. Th... | 08/23/2005 |
| 6911893 | Ceramic electronic component A ceramic electronic component includes a component body having semiconductive ceramic layers and internal electrodes. The semiconductive ceramic layers and the internal electrodes are alternately laminated. The semiconductive ceramic layers have a relative density ... | 06/28/2005 |
| 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 |
| 6859999 | Method for manufacturing a power chip resistor The invention provides for a method of manufacturing a stacked power chip resistor. The method includes adhering a first chip resistor to a second chip resistor with a glass encapsulant, connecting a first terminal of the first chip resistor to a first terminal of t... | 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 |
| 6854176 | 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 (2). The assembly is made by providing first and second laminates (7,8), each of which ... | 02/15/2005 |
| 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 |
| 6782604 | Method of manufacturing a chip PTC thermistor Chip PTC thermistors that can easily be inspected the soldered portions after it is mounted on a printed circuit board and that can be used in a flow soldering process, and methods of making same. A chip PTC thermistor of the present invention includes: a first main... | 08/31/2004 |
| 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 |
| 6717506 | Chip-type resistor element A laminated chip-type resistor element having minimal variations in the resistance thereof, includes a plurality of pairs of first and second inner electrodes arranged so that the tips of each of the pairs of first and second inner electrodes are opposed to each oth... | 04/06/2004 |
| 6703683 | Chip resistor and method for manufacturing the same A resistance element (4) is provided by a thin film on the surface of an insulating substrate (1) consisting of, for example, alumina, and having a rectangular planar shape, so as to extend from one end to the opposite other end thereof. Connected to the ... | 03/09/2004 |
| 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 |
| 6593844 | PTC chip thermistor A chip PTC thermistor comprising a conductive polymer having PTC properties, a first outer electrode, a second outer electrode, one or more inner electrodes sandwiched between the conductive polymer, a first electrode electrically directly coupled with th... | 07/15/2003 |
| 6535105 | Electronic device and process of making electronic device An electronic device and process of making the device is disclosed. The device includes a multi-sided body defined by a plurality of electrode plates arranged in a stack. A resin layer is applied to both conductive and semiconductive regions of the device... | 03/18/2003 |
| 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 |
