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| Number | Title | Issue Date |
| 7422994 | Platinum-copper-tungsten fuel cell catalyst A composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum, copper and tungsten, or an oxide, carbide and/or salt of one or more of platinum, copper and tungsten, wherein the sum of the concentrations of platinum, copper an... | 09/09/2008 |
| 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 |
| 7214644 | Cross-coupling reactions A method for producing a copper/palladium colloid catalyst useful for Suzuki couplings. ... | 05/08/2007 |
| 7124753 | Brazed diamond tools and methods for making the same Superabrasive tools and methods for the making thereof are disclosed and described. In one aspect, superabrasive particles are chemically bonded to a matrix support material according to a predetermined pattern by a braze alloy. The brazing alloy may be provided as ... | 10/24/2006 |
| 6921497 | Composition of matter tailoring: system I The present invention relates to new compositions of matter, particularly metals and alloys, and methods of making such compositions. The new compositions of matter exhibit long-range ordering and unique electronic character. ... | 07/26/2005 |
| 6858102 | Copper-containing sputtering targets, and methods of forming copper-containing sputtering targets The invention includes a sputtering target containing copper of a purity of at least about 99.999 wt. %, and at least one component selected from the group consisting of Ag, Sn, Te, In, B, Bi, Sb, and P dispersed within the copper. The total of Ag, Sn, Te, In, B, Bi... | 02/22/2005 |
| 6716541 | Material for a metal strip The material for a metal strip for manufacturing electrical contact component parts has, expressed in percent by weight, the following composition: | 04/06/2004 |
| 6679955 | Copper base alloy casting, and methods for producing casting and forging employing copper base alloy casting In the present invention, forming is carried out by employing casting to rapidly solidify molten material comprising a copper base alloy containing 3 to 20% Ag (mass % hereinafter), 0.5 to 1.5% Cr and 0.05 to 0.5% Zr. Next, an aging treatment for precipit... | 01/20/2004 |
| 6645352 | Optical data storage disk A sputtering target made of Agx May Mbz or Cux May Mbz, where x>50 at % and Ag or Cu are a first metal, Ma is a second metal and Mb is a third metal is used in a method for manufacturing da... | 11/11/2003 |
| 6645427 | Copper sputtering target assembly and method of making same Described is a sputtering target assembly of high purity copper diffusion bonded to a precipitation hardened aluminum alloy backing plate via an intermediate layer of a CuCr alloy and in which the copper contains a micro alloy addition of at least one of ... | 11/11/2003 |
| 6440854 | Anti-agglomeration of copper seed layers in integrated circuit metalization The present invention pertains to systems and methods for reducing the agglomeration of copper deposited by physical vapor deposition. More specifically, the invention pertains to systems and methods for depositing copper seed layers on a semiconductor wa... | 08/27/2002 |
| 6413649 | Silver-copper-nickel infiltration brazing filler metal and composites made therefrom The present invention is directed to brazing filler metals that can be used in the infiltration brazing of porous matrix materials without the need for a flux. The brazing filler metals contain two different Group II metals and a third metal of Group 9 an... | 07/02/2002 |
| 6187071 | Bond for abrasive tool A bond for a single layer metal bond abrasive tool can be easily chemically and electrochemically stripped from the metal core of a recovered used tool to facilitate reuse of the core. Relative to conventionally bonded tools, the speed of stripping the no... | 02/13/2001 |
| 6025081 | Copper-based bearing material and sliding bearing for internal combustion engines The copper-based sliding material has improved seizure resistance, even if it is free of Pb, and enables thinning of the overlay. The copper alloy provided consists of from 0.1 to 2% of Ag, from 1 to 10% of Sn, and the balance consisting of Cu and unavoid... | 02/15/2000 |
| 6024896 | Contacts material The contacts material of the present invention is contacts material including silver-tungsten carbide alloy containing 55-70 weight % of tungsten carbide (WC) of mean particle size 0.1-6 μm wherein is included 0.005-0.2 weight % of carbon in an undissolv... | 02/15/2000 |
| 5916520 | Brazing fillers for sealing vacuum-tight vessels, vacuum-tight vessels and method for manufacturing vacuum-tight vessels The brazing filler of the present invention is excellent in wetting properties towards the open end of a ceramic cylinder and a metal sealing cap can be sealed well on the open end. The present brazing filler comprises Ag, Cu and active metal, in which th... | 06/29/1999 |
| 5851957 | Oxide superconductor precursors A composite for preparation of an oxide superconductor includes a primary alloy phase of constituent elements of a desired oxide superconductor; and a secondary phase comprising copper, the secondary phase supported by the primary alloy phase. The composi... | 12/22/1998 |
| 5458702 | Alloy powder, dispersion-type conductor using the same Alloy powder which is low in price and is unlikely to be oxidized on the surface, and a dispersion-type conductor using the alloy powder in which electromigration is not likely to occur. Melt of copper and silver is cooled at a high cooling speed of 10 | 10/17/1995 |
| 5391242 | High-strength and high-conductivity copper alloy sheet A high-strength and high-conductivity copper alloy sheet is provided, which consists of a composition of from 6 to 24 wt. % Ag, and Cu and impurities as the balance, and has a sheet structure in which Cu solid solution and Ag solid solution are streched i... | 02/21/1995 |
| 5340529 | Gold jewelry alloy A gold based jewelry alloy is disclosed of preferably the 10 to 18 karat range containing primarily gold, copper, zinc and silver. This alloy is formulated to create a unique color, a mid-range hue with a fresh, soft appearance that is very complimenting ... | 08/23/1994 |
| 5290371 | Dental alloy and restoration made therewith A noble metal dental casting alloy for use in making dental restorations comprises 35-70 percent by weight palladium, 25-50 percent by weight silver, 0.5-10 percent by weight manganese, and 1-30 percent of at least one modifier element selected from (i) t... | 03/01/1994 |
| 5246512 | Contact for a vacuum interrupter The present invention relates to a contact for a vacuum interrupter obtained by processing a contact-forming material comprising from 20% to 60% by weight of Cr, Bi in an amount of from 0.05% to 1.0% by weight of the total amount of Cu and Bi, and the bal... | 09/21/1993 |
| 5242511 | Copper alloy compositions A copper alloy composition comprising 100 parts by weight of powder of copper alloy represented by the general formula Agx Cuy (wherein x and y are atomic ratio values; 0.001ࣘ×ࣘ0.999, 0.001ࣘyࣘ0.999, x+y=1), 5 to 200 parts by... | 09/07/1993 |
| 5149362 | Contact forming material for a vacuum interrupter An Ag-Cu-WC contact forming material for a vacuum interrupter comprising a highly conductive component comprising Ag and Cu and an arc-proof component comprising WC wherein the content of the highly conductive component is such that the total amount of Ag... | 09/22/1992 |
| 5077005 | High-conductivity copper alloys with excellent workability and heat resistance There is provided a high-conductivity copper alloy with excellent workability and heat resistance, characterized by the alloy consists essentially of, by weight, at least one element selected from the group consisting of ________________________... | 12/31/1991 |
| 5066456 | Phosphorous copper based alloy with tin and antimony A phosphorous copper based alloy having combined tin and antimony contents up to approximately six percent each for brazing filler metal joining copper and copper alloys producing strong clean joints at lower brazing temperatures. Silver added in amounts ... | 11/19/1991 |
| 5045281 | Contact forming material for a vacuum interrupter A contact forming material for a vacuum interrupter comprising: from 25% to 65% by weight of a highly conductive component comprising Ag and Cu, and from 35% to 75% by weight of an arc-proof component selected from the group consisting of Ti, V, Cr, Zr, M... | 09/03/1991 |
| 5032358 | Resistance welding electrode of chalcogene bearing copper alloy The invention relates to a material for electrodes to be used in resistance welding. The working life of electrodes, particularly of those to be used in the spot welding of coated sheets, is now relatively short. The invention introduces a new electrode m... | 07/16/1991 |
| 5004520 | Method of manufacturing film carrier There is provided a film carrier comprising a resin base film and a rolled copper foil laminated thereon, said rolled copper foil forming leads for mounting semiconductor chips or other electronic components in place, characterized in that said rolled cop... | 04/02/1991 |
| 5000779 | Palladium based powder-metal alloys and method for making same The subject of this invention is the development of new alloys along with new processing approaches for the utilization of the alloys. A particular class of alloys comprises at least one noble metal selected from the group comprising gold, palladium, silv... | 03/19/1991 |
| 4792369 | Copper wires used for transmitting sounds or images The present invention relates to a copper wire for use in sound or image reproducing systems, such as audio, video and television systems, etc., and a method for manufacturing the same. The copper wire consists of high purity copper in which silver and su... | 12/20/1988 |
| 4721539 | Large single crystal quaternary alloys of IB-IIIA-SE2 and methods of synthesizing the same New alloys of Cux Ag.sub.(1-x) InSe2 (where x ranges between 0 and 1 and preferably has a value of about 0.75) and CuIny Ga.sub.(1-y) Se2 (where y ranges between 0 and 1 and preferably has a value of about 0.90)... | 01/26/1988 |
| 4678636 | Ductile brazing alloy containing reactive metals and precious metals Reactive metal-precious metal ductile alloys containing controlled amounts of Cu and Ni and mixtures thereof are suitable for brazing ceramics, other non-metallic and metallic materials.... | 07/07/1987 |
| 4678720 | Silver-copper-titanium brazing alloy A silver-copper-titanium brazing alloy foil was produced by a rapid solidification processing method(s). The composition ranged from 10 to 50 weight percent copper, 0.1 to 9.5 weight percent titanium and the balance silver. Since the method provides high ... | 07/07/1987 |
| 4624833 | Liquid metal ion source and apparatus A liquid metal ion source for emitting P ions, wherein a Cu alloy which contains at most 25 at. % of P and if necessary, further contains Ag, C or Si, and/or B is melted and fed to an emitter tip so as to generate an ion beam under a high electric field.... | 11/25/1986 |
| 4623513 | Ductile low temperature brazing alloy Titanium-silver alloys containing specified amounts of silver and titanium and controlled amounts of copper, aluminum and mixtures thereof are suitable for brazing ceramics, other non-metallic and metallic materials. These alloys also may contain controll... | 11/18/1986 |
| 4606978 | Ductile brazing alloy foil containing reactive metals and precious metals Reactive metal-precious metal ductile alloys containing controlled amounts of Cu and Ni and mixtures thereof are suitable for brazing ceramics, other non-metallic and metallic materials.... | 08/19/1986 |
| 4603090 | Ductile titanium-indium-copper brazing alloy Brazing alloys of copper-indium-titanium alloy can be used to braze ceramic to metal. Other elements such as gold, manganese, palladium, nickel, aluminum, tin singly or in combination can also be added.... | 07/29/1986 |
| 4517033 | Contact material for vacuum circuit breaker A contact material for a vacuum circuit breaker consists essentially of copper as the basic component, and, as the other components, 35% by weight or below of chromium and 50% by weight or below of tantalum, the total quantity of chromium and tantalum in ... | 05/14/1985 |
| 4477320 | Method of preparing electrolytic manganese dioxide A method for the preparation of electrolytic manganese dioxide is provided employing improved cathodes, said cathodes being characterized by their reduced tendency to corrode and undergo buildup of current inhibiting scale under electrolytic conditions. T... | 10/16/1984 |
