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| Number | Title | Issue Date |
| 7733212 | Resistor Embodiments of a resistor are disclosed. ... | 06/08/2010 |
| 7326889 | PTC element and production process thereof A method of manufacturing a PTC element comprising a pair of lead terminals bonded together by thermocompression with a matrix held therebetween comprises a matrix preparing step of preparing a matrix constructed by dispersing a conductive filler into a crystalline ... | 02/05/2008 |
| 7091820 | Methods for manufacturing resistors using a sacrificial layer A microelectronic assembly, including a microelectronic element such as a semiconductor chip and a dielectric material covering the chip and forming a body having a bottom surface. The assembly includes conductive units having portions exposed at the bottom surface,... | 08/15/2006 |
| 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 |
| 7034653 | Semiconductor resistor A semiconductor resistor comprises a resistor body formed on a semiconductor substrate and first and second conductive terminals electrically connected to the resistor body at opposite ends thereof. The semiconductor resistor further includes at least first and seco... | 04/25/2006 |
| 6856235 | Methods for manufacturing resistors using a sacrificial layer A method of making resistors includes providing a sacrificial layer. Conductive material is then formed over a region of the sacrificial layer. Resistive material is then deposited over the first surface of the sacrificial layer such that the resistive material cove... | 02/15/2005 |
| 6690258 | Surface-mount positive coefficient thermistor and method for making the same A surface-mount positive coefficient thermistor includes a plate-like positive coefficient thermistor element, a pair of electrodes on the respective two main surfaces of the positive coefficient thermistor element, a pair of metal terminals each having a... | 02/10/2004 |
| 6660554 | Thermistor and method of manufacture A thermistor having multiple metal layers about at least a portion of a semiconductor body. The thermistor includes a first thick film electrode layer, a reactive metal layer, a barrier metal layer and, optionally, a layer to facilitate attachment to an e... | 12/09/2003 |
| 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 |
| 6570483 | Electrically resistive PTC devices containing conductive polymers An electrical resistive device in which an element composed of a conductive polymer is positioned in contact with the surface layer of one or more metal electrodes. The metal electrode contains a base layer which includes a first metal, an intermediate me... | 05/27/2003 |
| 6531950 | Electrical devices containing conductive polymers An electrical device in which an element composed of a conductive polymer composition is positioned in contact with the first surface of a metal electrode, the first surface having a center line average roughness Ra and a reflection density RD,... | 03/11/2003 |
| 6507268 | Low profile mount for plural upper electrode metal oxide varistor package and method A low profile mount for a disc varistor. A thermally sensitive switch is provided both for single and multiple electrode embodiments. The switch may be placed in a shorting circuit and include a spring biased conductor prevented from closure by a heat sen... | 01/14/2003 |
| 6489881 | High current sense resistor and process for its manufacture A low resistance high current sense resistor is formed on a semiconductor die using conventional semiconductor processing techniques. The resistor die has one or two resistive layers which are photolithographically divided into a plurality of series and p... | 12/03/2002 |
| 6489880 | Mounting structure for thermistor with positive resistance-to-temperature characteristic A thermistor with positive resistance-to-temperature characteristic used in a overcurrent protection circuit has electrodes on mutually opposite main surfaces and is mounted to a substrate having electrically conductive members such that deterioration of ... | 12/03/2002 |
| 6433544 | Magnetic field sensor with ladder-type filter Described is a magnetic field sensor with a Hall element and a rectangular change-over switch, which controls the Hall element, dependent upon a timing signal. An active ladder-type filter creates a low pass filtered outlet signal. It uses OTA modules, wh... | 08/13/2002 |
| 6278271 | Three dimensional magnetic field sensor A magnetic field sensor for measurement of the three components (Bx, By, Bz) of a magnetic field comprises a Hall-effect element (1) and an electronic circuit (22). The Hall-effect element (1) comprises an active area (18)... | 08/21/2001 |
| 6201464 | Thermistor device having uninsulated peripheral edge A thermistor device includes a thermistor element body, an ohmic electrode which is provided on a major surface of the thermistor element body with its outer peripheral edge positioned within that of the thermistor element, thereby defining a gap, and an ... | 03/13/2001 |
| 6177857 | Thermistor device A thermistor device manufactured at low cost in which atoms of Ag do not migrate substantially into the thermistor body. The device comprises a disk-like thermistor body and annular first electrodes formed in peripheral portions of the front and back surf... | 01/23/2001 |
| 6137288 | Magnetic rotational position sensor A magnetic rotational position sensor senses each rotational position of a control shaft about a first rotational axis over a definable range of rotation of the control shaft. The magnetic rotational position sensor includes a magnetic circuit, a magnetic... | 10/24/2000 |
| 6075437 | In-plane magnetoresistance bridge A magnetic field sensor device is disclosed comprising two substantially identical n-doped, high carrier mobility semiconductor films (e.g., InSb films) each containing a pattern of cylindrical holes or antidots that cause the resistance of the respective... | 06/13/2000 |
| 6020809 | Mounting structure for thermistor with positive resistance-to-temperature characteristic A thermistor with positive resistance-to-temperature characteristic used in a overcurrent protection circuit has electrodes on mutually opposite main surfaces and is mounted to a substrate having electrically conductive members such that deterioration of ... | 02/01/2000 |
| 5977863 | Low cross talk ball grid array resistor network A resistor network for terminating active electronic devices has low cross talk noise between the adjoining resistors and the conductors that connect the resistors to other electronic packages. A substrate has a top and a bottom surface. Resistors are loc... | 11/02/1999 |
| 5929743 | Mounting structure for thermistor with positive resistance-to-temperature characteristic A thermistor with positive resistance-to-temperature characteristic used in a overcurrent protection circuit has electrodes on mutually opposite main surfaces and is mounted to a substrate having electrically conductive members such that deterioration of ... | 07/27/1999 |
| 5896077 | Terminal for surface mountable electronic device A surface mountable electronic device comprising a body incorporating an electronic device and having a substantially planar mounting surface and another surface extending from the mounting surface, at least one electrical lead extending from the device, ... | 04/20/1999 |
| 5841183 | Chip resistor having insulating body with a continuous resistance layer and semiconductor device A chip resistor includes a resistor body, a wire-bonding electrode, and a soldering electrode respectively disposed on a first major surface and a second major surface of the resistor. Two electrodes are electrically connected to each other only through t... | 11/24/1998 |
| 5831510 | PTC electrical devices for installation on printed circuit boards Laminar electrical devices, in particular circuit protection devices, contain two laminar electrodes, with a PTC element between them, and a cross-conductor which passes through the thickness of the device and contacts one only of the two electrodes. This... | 11/03/1998 |
| 5802709 | Method for manufacturing surface mount conductive polymer devices A conductive polymer device includes an active element comprising a conductive polymeric layer laminated between a pair of electrodes to which terminal leads are attached. The active element is enclosed in an insulative package. Each of the electrodes may... | 09/08/1998 |
| 5793276 | Organic PTC thermistor An organic PTC thermistor having a positive temperature coefficient of resistivity, which comprises a PTC composition comprising an organic polymer having dispersed therein a conductive substance, and at least one pair of electrodes, wherein the conductiv... | 08/11/1998 |
| 5760676 | Electronic part such as PTC thermistor and casing for the same with a fuse In a positive temperature coefficient thermistor, a terminal holding member is provided between an outer casing and an elastic terminal electrically connected to the semiconductor ceramic element. The terminal holding member is formed of a thermoplastic r... | 06/02/1998 |
| 5606302 | PTC circuit protection device with non-opposed spring terminals An electronic component device includes an electronic component element 13 that is interposed between a pair of spring terminals 14 and 15. The electronic component element 13 is resiliently held by the spring terminals 14 and 15, and contact portions 17 ... | 02/25/1997 |
| 5557251 | Thermistor with electrodes for preventing inter-electrode migration A thermistor includes a plate-like thermistor body and a first and a second electrode formed on each of the main surfaces of said plate-like thermistor body. The first electrode is formed so that its outer periphery reaches the outer peripheral edge of th... | 09/17/1996 |
| 5534843 | Thermistor An insulating glass layer covers the surface of a thermistor element except at the two end surfaces. The insulating glass layer is partially or fully composed of crystallized glass. A terminal electrode is integrally formed on both end surfaces. The termi... | 07/09/1996 |
| 5339067 | Integrated voltage divider and circuit employing an integrated voltage divider An apparatus and method is provided for dividing a voltage with a resistor voltage divider and for employing the voltage divider in an integrated circuit. The resistor voltage divider utilizes inaccessible compensation taps that are placed between nonline... | 08/16/1994 |
| 5339068 | Conductive chip-type ceramic element and method of manufacture thereof A chip-type ceramic element contains a terminal electrode at each end and an inorganic insulating layer on the surface of the ceramic element between the electrodes. The terminal electrodes include a baked electrode formed from a conductive paste reacted ... | 08/16/1994 |
| 5289155 | Positive temperature characteristic thermistor and manufacturing method therefor A positive characteristic thermistor, in which the outer periphery of a first electrode including a metal other than silver as its main component is positioned on the inside of the outer periphery of the main body of this thermistor, and is made to coinci... | 02/22/1994 |
| 5210517 | Self-resetting overcurrent protection element A self-resetting overcurrent protection element uses an element body made up of a mixture of polymers and carbon black grafted with polymers. A resilient sheathing material covering the element body permits free expansion of the element body to permit the... | 05/11/1993 |
| 5168256 | Resistor element using conductors having relatively low thermal conductivity A resistor element for determining a parameter, including a ceramic support having a bearing surface, an electrically resistive body formed on the bearing surface of the ceramic support, a conductor or conductors electrically connected to the electrically... | 12/01/1992 |
| 4973934 | PTC thermistor device A PTC thermistor device including a PTC thermistor element of a circular configuration, and a casing made of a plastic material. The casing has a substantially parallelepipedic body portion and a projecting portion having a pair of parallel side surfaces ... | 11/27/1990 |
| 4965538 | Microwave attenuator A microwave attenuator is constructed on an insulative substrate which supports a resistive region, input/output electrodes and shunt electrodes. The shunt electrodes are preferably constructed using trapezoidally shaped portions on the face of the insula... | 10/23/1990 |
| 4959505 | Electrical component in chip structure and method for the manufacture thereof At two large opposite end faces a component composed of a wafer-shaped or lamina-shaped body (1) has coatings (2, 3) and ribbon-shaped terminal elements (5, 6) and is pressure-coated with a lamina-shaped or cuboid insulating coat (7). The terminal element... | 09/25/1990 |
