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| Number | Title | Issue Date |
| 8059380 | Package level ESD protection and method therefor A semiconductor package includes an electrostatic discharge rail capable of being coupled to a first conductive contact and a second conductive contact, a first portion of a voltage triggerable material between the electrostatic discharge rail and the first conducti... | 11/15/2011 |
| 8045312 | Devices and system for electrostatic discharge suppression In one embodiment, there is provided a printed circuit board including a first rigid circuit board layer having a first signal trace arrayed on it, a second rigid circuit board layer having a second signal trace arrayed on it, a first signal path coupled between the... | 10/25/2011 |
| 7567416 | Transient voltage protection device, material, and manufacturing methods A transient voltage suppression device includes a dielectric layer defining a receptacle for a variable impedance material proximate a gapped electrode. Methods for manufacturing the device and for formulating a variable voltage material at lower cost and with highe... | 07/28/2009 |
| 7558042 | Devices and system for electrostatic discharge suppression A electrostatic discharge suppression device including an electrostatic discharge reactance layer having a first side and a second side, a first electrode coupled to the first side and comprising a first extension projecting towards a first distal end of the device,... | 07/07/2009 |
| 7375943 | Tri-phase surge protector and its manufacturing method A tri-phase surge protector comprises a first zinc oxide ceramic body; a first electrode layer on a surface of the first zinc oxide ceramic body and having a first electrode, and the first electrode includes a first terminal; a second electrode layer on another surf... | 05/20/2008 |
| 7342276 | Method and apparatus utilizing monocrystalline insulator A semiconductor device, including: a semiconductor material; a conductive element; and a substantially monocrystalline insulator disposed between the semiconductor material and the conductive eleme... | 03/11/2008 |
| 7323854 | Zero cancellation in multiloop regulator control scheme Control loops in a voltage regulator can be stabilized using minimal silicon area. A current limit signal, generated by a current limit control loop in the voltage regulator, can be divided to minimize a zero provided in a compensation set associated with a voltage ... | 01/29/2008 |
| 7312690 | Temperature sensor A temperature sensor includes a probe section for insertion into a hot zone. The probe section includes a thermistor, a first lengthy pin terminating at the thermistor, and a second lengthy pin also terminating at the thermistor. A housing section is on one end of t... | 12/25/2007 |
| 7285846 | Integrated circuit package with ESD protection A semiconductor chip is attached to bifurcated finger members of a lead frame. A pocket is formed between the semiconductor chip and the lead frame. An opening is formed between the bifurcated fingers for injecting into the pocket a voltage variable material to prov... | 10/23/2007 |
| 7272885 | Method of manufacturing surge arrestor The present invention relates to a method of manufacturing surge arrestors, the method including stacking varistors; and forming a coating of composite material on the stack. Between these steps, also included is placing a bead of flexible, adhesive, and dielectric ... | 09/25/2007 |
| 7271992 | Compact arrangement for multipole, surge-proof surge arresters and encapsulated surge arrester for the same A compact arrangement for multipole, surge-protected surge arresters, including internally wired, encapsulated series gaps arranged essentially in parallel in a housing. The series gaps have opposite-lying, projecting contact surfaces connected to outer terminals an... | 09/18/2007 |
| 7120001 | Surge voltage protector for use in power transmission networks The invention relates to a surge voltage protector (1) which comprises a discharge current path with at least one varistor block (4a, 4b, 4c). In order to prevent the varistor blocks (4a, 4b, | 10/10/2006 |
| 6995954 | ESD protected suspension interconnect ESD is prevented in a disk drive suspension electrical interconnect having plural pairs of conductive traces supported by an insulative film by disposing a material having a lower resistivity than the insulative film but not so low that the conductive traces are shu... | 02/07/2006 |
| 6950295 | Method and apparatus for balancing capacitance in hybrid overvoltage protection device Metal oxide varistors (MOVs) are employed in surge protection devices, such as overvoltage protection devices, between a pair of signal lines and ground to reduce the capacitive imbalance introduced by the overvoltage protector, thereby improving higher frequency tr... | 09/27/2005 |
| 6912112 | Reduced capacitance and capacitive imbalance in surge protection devices Metal oxide varistors (MOVs) are employed in surge protection devices, such as overvoltage protection devices, between signal lines and ground to reduce the capacitance and the capacitive imbalance introduced by the overvoltage protector, thereby improving higher fr... | 06/28/2005 |
| 6836956 | Method of manufacturing a thin film magnetic head A method of manufacturing a thin film magnetic head in which a top pole is divided into a pole tip and a tope pole layer, and the pole tip is formed on the flat surface of a bottom pole with a write gap layer in between. An insulating layer is formed in a region adj... | 01/04/2005 |
| 6754057 | Capacitor damage arrestor A method for mounting a component on an assembly is provided, such as to prevent shorting between a voltage plane and a ground plane that may be caused when the component fails and generates temperature rises that result in insulation failure. The method includes re... | 06/22/2004 |
| 6731489 | 5-pin protector A Category 5 (as well as newer revisions, such as Category 6 and Category E)/single-pair surge protector module for protecting telecommunications related equipment and the like from transient voltage and current surges includes a two-piece interfitting housing which... | 05/04/2004 |
| 6678138 | Environmentally insensitive surge suppressor apparatus and method A surge suppressor conducts heat from a surge protection component (SSC) through a heat conductive element, such as a copper pad, on a printed circuit board, to at least one thermal fuse to cause the thermal fuse to open when the resistance of the SSC beg... | 01/13/2004 |
| 6538304 | Corner bonding to lead frame A lead frame for an integrated circuit includes a ground for the integrated circuit to ground the integrated circuit, the lead frame having at least one corner connected to the ground; and a connector between the corner of the lead frame and the ground lo... | 03/25/2003 |
| 6392861 | Surge arrester having disconnector housed by mounting bracket and end cap A surge arrester includes a mounting bracket, a surge arresting element, an electrically conductive connector, and a fault disconnector. The mounting bracket forms a bracket cup. The surge arresting element is arranged to conduct in the presence of a surg... | 05/21/2002 |
| 6282073 | Environmentally insensitive surge suppressor apparatus and method A surge suppressor conducts heat from a surge protection component (SSC) through a heat conductive element, such as a copper pad, on a printed circuit board, to at least one thermal fuse to cause the thermal fuse to open when the resistance of the SSC beg... | 08/28/2001 |
| 6252493 | High current varistor A metal oxide varistor comprises a hollow ceramic body having an opening, a first electrode within the body and having a portion extending through the opening, and a second electrode disposed on the exterior surface of the body. Voltage applied to the ele... | 06/26/2001 |
| 6211565 | Apparatus for preventing electrostatic discharge in an integrated circuit An integrated circuit package includes a semiconductor chip, a plurality of wired pins, and at least one non-wired pin. The size of the non-wired pin is minimized, or the non-wired pin is eliminated, in order to increase the lead pin spacing. The increase... | 04/03/2001 |
| 6157286 | High voltage current limiting device A high voltage, current limiting device is connected in series with a high voltage power source and a protected load to interrupt current for an over-current condition [Typically 50 kA]. The current limiting device includes a current sensor/isolator and a... | 12/05/2000 |
| 6108184 | Surface mountable electrical device comprising a voltage variable material The surface mountable electrical device provides utilizes polymer composite materials to protect electronic components against electrical overstress transients. The device includes a first substrate having an electrode formed thereon. A portion of the ele... | 08/22/2000 |
| 6084761 | Telephone line surge protector A telephone line protection module having a printed circuit board base with conductive paths connected to pins of the module. Overvoltage sensitive semiconductor devices are soldered to the ends of a conductive bridge, and the bridge is spring-biased betw... | 07/04/2000 |
| 6008508 | ESD Input protection using a floating gate neuron MOSFET as a tunable trigger element Disclosed is a floating gate neuron MOS transistor that may be incorporated into devices such as low voltage silicon control rectifiers for protection of internal circuits against electrostatic discharge. The transistor includes two or more input gates ca... | 12/28/1999 |
| 5959822 | Compact lightning arrester assembly A lighting arrester in the form of a double-ended polymer enclosure contains one or more varistor discs in vertical alignment having terminals at the opposing ends for external electrical connection. The discs are formed from a zinc oxide composition with... | 09/28/1999 |
| 5952910 | Isolator device for arrester A device for connecting, and then isolating and disconnecting an arrester includes a non-conductive housing with two electrical terminals. The housing has opposite ends separated by an internal chamber. The terminals are mounted at the housing ends. A res... | 09/14/1999 |
| 5936824 | Encapsulated MOV surge arrester for with standing over 100,000 amps of surge per doc An improved apparatus and method for encapsulating a single large MOV is shown. The MOV is sandwiched between aluminum contact plates. An epoxy fills the void space between the contact plates. A dielectric film encapsulates the entire sandwich. Soft films... | 08/10/1999 |
| 5929744 | Current limiting device with at least one flexible electrode A current limiting device has an electrically conductive composite material, an inhomogeneous distribution of resistance structure comprises a conducting filler, and at least two electrodes. At least one of the electrodes is a flexible electrode to mainta... | 07/27/1999 |
| 5912611 | Surge arrester A surge arrester comprising a stack of a plurality of cylindrical varistor blocks (10), preferably made of metal oxide, which are arranged one after the other in the axial direction of the varistor blocks between an upper end electrode (11) and a lower en... | 06/15/1999 |
| 5892669 | Electronic products with improved surge protecting circuit An improved surge protecting circuit which can protect the power source and the internal and external circuit elements of an electronic product by absorbing external surges through ground. The protecting circuit according to the present invention is conne... | 04/06/1999 |
| 5815359 | Semiconductor device providing overvoltage protection against electrical surges of positive and negative polarities, such as caused by lightning An overvoltage protection device, particularly for protecting equipment against electrical surges caused by lightning, wherein the protective device includes a first protection element for protecting the equipment from an electrical surge of positive pola... | 09/29/1998 |
| 5796570 | Electrostatic discharge protection package Described is a circuit board having protection against electrostatic discharge. The board includes a plurality of interconnect traces and an electrically conductive ground plane formed on a substrate such that a gap is created between the interconnect tra... | 08/18/1998 |
| 5781394 | Surge suppressing device A surge suppressing device includes a voltage-dependent resistor having an opening formed therethrough. A pair of preformed pads formed of an electrically conductive material is located adjacent a first and second side respectively of the voltage-dependen... | 07/14/1998 |
| 5754384 | Overcurrent protection circuitry for non-isolated battery discharge controller An overcurrent protection circuit for protecting a boost-type non-isolated battery discharge controller from a fault current. The battery discharge controller includes multiple parallel-coupled power stages each having an input fuse and an output fuse hav... | 05/19/1998 |
| 5708555 | Surge arrester having controlled multiple current paths An improved surge arrester includes metal oxide varistors in series with spark gap assemblies arranged such that the MOV elements conduct the low magnitude, steady-state current through the arrester along a path that is separate and distinct from the path... | 01/13/1998 |
| 5623388 | Overvoltage protection circuits A miniature solid state overvoltage protection circuit for use on telephone lines using a solid state circuit arrangement connected between the tip terminal and the ground terminal and another solid state circuit between the ring terminal and the ground t... | 04/22/1997 |
