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| Number | Title | Issue Date |
| 7339127 | Contact piece made of tungsten provided with a corrosion-resistant layer made of a base metal A contact piece is formed by a tungsten overlay soldered onto a support, wherein at least portions of the solder layer and optionally of the support are covered by a layer of a less noble metal than tungsten. The corrosion resistance of the tungsten overlay is consi... | 03/04/2008 |
| 7336466 | Contactor material for welding wire feeder An electromechanical contactor device is disclosed for use in a wire feeder for an electric arc welder having a power source and a gun with a contact tip through which welding wire is fed and a weld cycle start trigger switch having a closed condition to initiate an... | 02/26/2008 |
| 7160632 | Material for sliding contacts, clad composite material and small-sized DC motor using the same The invention provides a material for sliding contacts that is suitable for a small-sized DC motor used in recent downsized CD players and is excellent in durability. A material for sliding contacts used in a commutator of a small-sized DC motor that consists essent... | 01/09/2007 |
| 7161103 | Moveable contact assembly, method of manufacturing the same, and switch using the same A movable contact assembly includes a base sheet made of insulating film, a contact provided under a bottom surface of the base sheet, and a conductive layer comprising silver paste on the base sheet. The silver paste contains 12 wt % to 15 wt % of resin binder and ... | 01/09/2007 |
| 7045729 | Switch According to the switch of the present invention, a lubricant containing a base oil, a soft resin polymer, and a surface active agent is applied between a fixed tab and a contact strip that undergo sliding operation in response to vertical movement of an operating p... | 05/16/2006 |
| 7026057 | Corrosion and abrasion resistant decorative coating A new article of manufacture, for example a faucet or other article of hardware, has a specified decorative color, and is resistant to corrosion, abrasion and attack by chemicals. The article includes a substrate, one or more corrosion resistant layers applied to th... | 04/11/2006 |
| 7015406 | Electric contact An electric contact comprises a main body consisting of a copper-based alloy or of stainless steel and a contact layer consisting of a gold-based alloy. The contact layer has a thickness of at least 0.3 μm and consists of gold with a content of 0.5 percent by weigh... | 03/21/2006 |
| 6974923 | Electric contact and breaker using the same A high quality electrical contact that is made of a Cd free Ag alloy and can be applied to a breaker is provided. The electrical contact is made of an Ag alloy containing Sn and In each 1 to 9% by weight, and has a first layer as the surface layer and a secon... | 12/13/2005 |
| 6919732 | Contact probe and probe device A probe device having a contact probe including a film, a plurality of wiring patterns formed on the film with each wiring pattern having a front end portion projecting from the film so as to form contact pins, and a metal layer provided on the film. In one embodime... | 07/19/2005 |
| 6918800 | Arc resistant terminal, arc resistant terminal pair and automotive connector A terminal to be electrically connected with an other terminal at a contact portion thereof by being engaged with the other is formed such that at least an outer-surface part of a final contact portion thereof which is separated last from the other terminal upon sep... | 07/19/2005 |
| 6917211 | Contact probe and probe device A probe device having a contact probe including a film, a plurality of wiring patterns formed on the film with each wiring pattern having a front end portion projecting from the film so as to form contact pins, and a metal layer provided on the film. In one embodime... | 07/12/2005 |
| 6861961 | Foldable alpha numeric keyboard The present invention relates to a foldable alpha numeric keyboard device (2301) configured to input data items into a computer or similar processing device (2307). The keyboard device comprises a first electrically conductive fabric sheet, a second el... | 03/01/2005 |
| 6777631 | Panel-type peripheral device and method of producing the same A panel-type peripheral device including first and second conductive panel members, each panel member being provided with an insulating substrate and a conductive film applied on the insulating substrate, is produced. First, a panel assembly, including the first and... | 08/17/2004 |
| 6770828 | System and method for electrical contacts and connections in switches and relays A switch assembly for use in an electrical apparatus includes a first contact having a first substrate and a first contact pad. The first contact pad is of copper or of a copper alloy. A second contact has a second substrate and a second contact pad. The second cont... | 08/03/2004 |
| 6686547 | Relay for a transfer mechanism which transfers power between a utility source and a stand-by generator A relay is provided for a transfer mechanism which transfers power between a utility source and a stand-by electrical generator. The relay incorporates contacts formed from two distinct materials. A backing portion of each contact is formed from copper an... | 02/03/2004 |
| 6590177 | Membrane switch and pressure sensitive sensor A pressure sensitive sensor is composed of a pair of upper and lower electrodes sheets 1 and 2 disposed oppositely, a spacer 3 interposed between both of the sheets 1 and 2, and adhesives 4 and 5 between these electrode sheets 1 and 2 and spacer 3. In the... | 07/08/2003 |
| 6281780 | Electrical apparatus having improved electrical contact and electrical contact used therewith An electric apparatus (10) according to the present invention comprises electrically separated first and second terminals (14, 13), a first contact (16) that is connected electrically to the first terminal (14) within a casing (11), a second contact (15) ... | 08/28/2001 |
| 6248964 | Thick film on metal encoder element A switching element, specifically an encoder element, is fabricated by forming a conductive track on an insulative substrate, and then screen printing an insulative layer on the track in a predetermined pattern that forms a contact array that comprises a ... | 06/19/2001 |
| 6156982 | Low current high temperature switch contacts A low ampere mechanical switch has a contact design creating a line of contact between the moveable and stationary contacts. The stationary contacts are stainless steel and the moveable contact is Inconel™. Both contacts have a thin plating of gold allo... | 12/05/2000 |
| 6133537 | Electric contact structure as well as relay and switch using the same The present invention provides an electric contact structure comprising a first contact surface and a second contact surface, wherein at least one of the first and second contact surfaces comprises an AuAgPd alloy including 7-16% by weight of Ag and 1-10%... | 10/17/2000 |
| 6054664 | Membrane switch with migration suppression feature A membrane switch that suppresses the growth, or migration, of metallic ion crystals caused by condensation. First and second metallic conductive layers are provided on an inside of the first and second resin film, respectively. First and second non-metal... | 04/25/2000 |
| 6034335 | Analog touch screen with coating for inhibiting increased contact resistance Analog resistance touch switches and matrix type touch switches have contacts coated with a very thin film, which in use does not form an appreciable amount of an insulating oxide, to inhibit changes in contact resistance and extend operating life.... | 03/07/2000 |
| 5973283 | Tearable membrane switch with resinous bounded silver-palladium alloy contacts A membrane switch having a pair of flexible printed boards and a pair of contacts respectively disposed on said printed boards. The contacts are formed of powdered alloy of silver and palladium bounded by resinous material, and a conductive layer of silve... | 10/26/1999 |
| 5876862 | Sliding contact material, clad compoosite material, commutator employing said material and direct current motor employing said commutator Sliding contacts comprising alloys such as Pd/Cu/Ag, Pt/Cu/Ag, Pd/Cu/Ag/Ni, Pt/Cu/Ag/Ni, Ag/Pd/Cu,Au, Ag/Pt/Cu/Au and two-layered composites comprising a surface layer of one of the foregoing alloys and a base layer comprised of copper or a copper-contain... | 03/02/1999 |
| 5860513 | Material for forming contact members of control switch and control switch using same A material for forming contact members of a control switch, which has a structure including a primary layer made of Ni, Co, a Ni alloy or a Co alloy formed on a conductive base, and a surface layer made of Pd or a Pd alloy having a thickness of 0.001 to 0... | 01/19/1999 |
| 5799771 | Contact with a silver contact base and process for making the same A contact includes a silver contact base, an intermediate silver layer and a solder in the form of a platelet being provisionally fastened or tacked to the intermediate silver layer prior to an actual soldering operation. The silver contact base is solder... | 09/01/1998 |
| 5598629 | Process for making contact with a silver contact base A contact includes a silver contact base, an intermediate silver layer and a solder in the form of a platelet being provisionally fastened or tacked to the intermediate silver layer prior to an actual soldering operation. The silver contact base is solder... | 02/04/1997 |
| 5597064 | Electric contact materials, production methods thereof and electric contacts used these The present invention provides inexpensive electric contact materials having higher hardness and higher melting point and being more excellent in the points of wear resistance and environmental resistance over the electric contact materials of Ag type, Au... | 01/28/1997 |
| 5520323 | Method for presoldering a contact for an electrical switching device and semi-finished product for use as a contact Contacts such as contact points, contact strips, or contact sections are usually provided with hard solder on a copper-silver basis in the form of a flat solder layer. The contact is then connected over this solder layer with a contact carrier. The solder... | 05/28/1996 |
| 5442929 | Cryogenically-treated electrical contacts The useful life of electrical contacts is extended by a cryogenic treatment. An electrical contact is exposed to a low temperature, such as below 172 K for a selected period of time. The low temperature may be obtained via a controlled rate of cooling. Af... | 08/22/1995 |
| 5409762 | Electric contact materials, production methods thereof and electric contacts used these The present invention provides inexpensive electric contact materials having higher hardness and higher melting point and being more excellent in the points of wear resistance and environmental resistance over the electric contact materials of Ag type, Au... | 04/25/1995 |
| 5330088 | Electrical contact containing a braze diffusion barrier A layer selected from a group comprising: molybdenum, tantalum, tungsten, osmium, rhenium, ruthenium and an alloy of two or more thereof on the under surface of an electrical contact acts as a barrier to copper diffusion from the braze material into the c... | 07/19/1994 |
| 5272295 | Electric contact and method for producing the same An electric contact is provided on at least one of a pair of conductors and includes a surface which is coated with a ceramic layer comprising at least one material selected from the group consisting of nitrides, carbides and borides of high melting point... | 12/21/1993 |
| 5258591 | Low inductance cantilever switch An apparatus is disclosed for providing an electrostatically actuated mechanical switch utilizing a cantilever beam element fabricated by solid-state microfabrication techniques. The apparatus reduces the required pull down voltage and lowers the switch i... | 11/02/1993 |
| 5179460 | Input device having double-layer adhesive conductive connecting portions An input structure for a display device having opposed substrates an electrodes disposed on the inner surfaces of the substrates and a seal about the periphery thereof with a relay electrode crossing the seal to connect the electrodes on the opposed subst... | 01/12/1993 |
| 5140114 | Electric contact with base metal An electric contact with a base metal used as a switch wherein the non-welded peripheral portion of the contact is prevented from bow-like bending and from peeling off. The electric contact with a base metal having a contact promoting shape is formed by d... | 08/18/1992 |
| 5137461 | Separable electrical connection technology A separable and reconnectable connection for electrical equipment is provided that is suitable for miniaturization in which vertical interdigitating members integrally attached and protruding from a planar portion are accommodated in control of damage in ... | 08/11/1992 |
| 4999464 | Molded case circuit breaker contact and contact arm arrangement A molded case circuit breaker movable contact arm electrically connects with the circuit breaker load terminal requiring only a small diameter auxiliary electrical conducting braid by pivotally arranging the contact arm within its support. The contact arm... | 03/12/1991 |
| 4933520 | Electrical contact for use in electromagnetic relay An electrical contact is provided for use in an electromagnetic relay. The electrical contact includes an outer coating containing an element of the VA Group such as antimony, arsenic, phosphorus or bismuth. Thus, the electrical contact does not serve as ... | 06/12/1990 |
| 4922068 | Densified braided switch contact An electrical switch assembly is made with a braided electrical conductor having a densified end which has reduced porosity from the braided wire. Preferably, the densified end is formed by squeezing copper wires with a solder matrix to reduce the air in ... | 05/01/1990 |
