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| Number | Title | Issue Date |
| 7338631 | Copper alloy and method of manufacturing the same This copper alloy contains at least zirconium in an amount of not less than 0.005% by weight and not greater than 0.5% by weight, includes a first grain group including grains having a grain size of not greater than 1.5 μm, a second grain group including grains hav... | 03/04/2008 |
| 7297215 | Copper base alloy, and cast ingot and parts to be contacted with liquid By exactly comprehending the true properties of the rare elements (such as Bi and Se) which are alternative components for Pb, the alloy is enabled to secure machinability equal to the bronze alloy (CAC406) generally used hitherto and acquire mechanical properties a... | 11/20/2007 |
| 7270892 | Friction bearing The invention describes a friction bearing with a steel support shell and a lead-free bearing metal layer on the basis of copper with the main alloy elements of tin and zinc, which layer is applied to the support shell. In order to combine advantageous sliding prope... | 09/18/2007 |
| 7230831 | Heat sink for surface-mounted semiconductor devices A heat sink is arranged on a main circuit board of an electronic module. The heat sink includes a three-dimensionally structured thermally conductive plate with a press-on region and with snap-action hooks. The snap-action hooks are arranged approximately at right a... | 06/12/2007 |
| 7157152 | Copper-tin-oxygen alloy plating The present invention relates to a Cu—Sn—O alloy plating having an oxygen content of 0.3 to 50 at %, a copper content of 20 to 80 at %, and a tin content of 10 to 70 at % in the plating. The present invention provides a copper tin alloy plating that has excellen... | 01/02/2007 |
| 7078110 | Slide bearing A slide bearing is described with a bearing metal layer on copper basis as applied to a carrier and a running layer made of an alloy of aluminum and tin which is applied physically onto the bearing metal layer in vacuum. In order to combine favorable resistance agai... | 07/18/2006 |
| 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 |
| 6687324 | Coated metal articles A metallic uranium article having a protective coating of a copper-tin alloy containing from 45 to 50% by weight of copper and from 55 to 50% by weight of tin, said alloy being firmly bonded to the metallic uranium.... | 02/03/2004 |
| 6475635 | Sliding material made of copper alloy, method of producing same, and sliding bearing A copper alloy sliding material which can bring about superior resistance to fatigue as well as good anti-seizure property without containing any Pb. The copper alloy sliding material is made to have the structure in which both of the hard copper alloy ph... | 11/05/2002 |
| 6346215 | Copper-tin alloys and uses thereof A copper alloy contains from 4 to 20 wt. % tin and various other metals. The alloys can be used in the manufacture of structural parts which are joined together through the use of heat such as jewelry, clothing accessories and mechanically stressed struct... | 02/12/2002 |
| 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 |
| 6136103 | Copper-tin-titanium alloy A copper-tin-titanium alloy which consists of 12 to 20% by weight tin, 0.002 to 1% by weight titanium, remainder copper and usual impurities. It is possible to add further elements. Semifinished products made from the copper alloy according to the inventi... | 10/24/2000 |
| 6136104 | Copper alloy for terminals and connectors and method for making same A copper alloy which is adapted for use as terminals and connectors, which comprises from 0.1 wt % to less than 0.5 wt % of Ni, from larger than 1.0 wt % to less than 2.5 wt % of Sn, from larger than 1.0 wt % to 15 wt % of Zn, and further comprises from a... | 10/24/2000 |
| 6103188 | High-conductivity copper microalloys obtained by conventional continuous or semi-continuous casting We provide a new copper microalloy with high-conductivity, excellent heat resistance and high strain strength, which can be obtained by conventional continuous or semi-continuous casting, which essentially consists of at least one element selected from th... | 08/15/2000 |
| 6074499 | Boron-copper-magnesium-tin alloy and method for making same A high strength, highly electrically conductive copper-based alloy and method for producing the alloy are provided, with the alloy containing boron in the range of 0.0-2.9 at. %, magnesium in a range of about 2.8-7.6 at. %, tin in a range of about 2.1-4.3... | 06/13/2000 |
| 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 |
| 5705125 | Wire for electric railways A wire for electric railways comprises a copper alloy which consists essentially, by weight percent, of 0.1 to 1.0% Cr, 0.01 to 0.3% Zr, 0.05 to 0.15% Sn, and 10 ppm or less O, and if required, further contains 0.01 to 0.1% Si, or 0.01 to 0.1% Si and 0.00... | 01/06/1998 |
| 5667751 | Alloy material with improved catalytic properties This invention relates to a catalytic fuel composition capable of reducing pollutants in the combustion gasses generated upon combustion of the same. A catalytic material is combined with a liquid, petroleum-based fuel, mixed and solid particles are separ... | 09/16/1997 |
| 5637132 | Powder metallurgy compositions Lead-free metallurgy powder for use in manufacturing a shaped bronze part by powder metallurgy techniques which consists essentially of a substantially homogeneous blend of metal powders having about 90 parts copper, about 10 parts tin and an amount of bi... | 06/10/1997 |
| 5518519 | Sintered contact component The invention concerns copper-based sintered components for use as contact components such as clutches and brakes and is intended to provide a sintered component comprising hard particles admixed with and finely and uniformly dispersed in a primary partic... | 05/21/1996 |
| 5516484 | Copper-nickel-tin based alloy A copper-nickel based alloy, having reduced break-out during casting and reduced cracking during processing in solid state, which consists essentially of 3.1 to 25 wt. % of Ni, 0.1 to 1.5 wt. % of Mn, 0.0001 to 0.0093 wt. % of B, 0.01 to 0.7 wt. % of Si, ... | 05/14/1996 |
| 5441555 | Powder metallurgy compositions Lead-free metallurgy powder for use in manufacturing a shaped bronze part by powder metallurgy techniques which consists essentially of a substantially homogeneous blend of about 90 parts copper, about 10 parts tin and an amount of bismuth in the range fr... | 08/15/1995 |
| 5413756 | Lead-free bearing bronze Lead-free copper-tin, low friction, castable bearing bronze alloy for industrial applications as bearing, bushing, and guide parts as well as threaded cast parts, with the following weight percentage range. Sn=3-9 Bi=2.5-9 P=0-0.3 Zn=0-1 Ni=0-2 Pb=0-0.35 Cu=Ba... | 05/09/1995 |
| 5344606 | Fluid treatment alloy casting of Cu-Sn-Ni-Zn A suitable casting alloy for use in a fluid treatment device may be made as a copper-nickel-zinc-tin (CU--NI--ZN--SN) alloy without the addition of silver, silicon or magnesium, if certain identified trace metals are kept below certain levels. It appears ... | 09/06/1994 |
| 5288457 | Copper-nickel-tin alloy for slide bearings A slide bearing comprising a copper-nickel-tin alloy consisting essentially of ______________________________________ 4-8% by wt nickel, 4-8% by wt tin, 0.005-1.0 by wt zinc, 0.005-0.5 by wt iron, 0.00... | 02/22/1994 |
| 5102621 | Ternary brazing alloy for carbon or graphite A ternary brazing alloy for carbon or graphite consisting essentially of 0.5-10 wt % titanium, 10 to 50 wt % tin, balance copper.... | 04/07/1992 |
| 5100617 | Wires made of copper-based alloy compositions Metal filler compositions and methods of employing the same are disclosed, in which the compositions are copper base with the addition thereto of tin and silicon. For thermal spraying applications, aluminum is included in the formulation. By practice of t... | 03/31/1992 |
| 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 |
| 5021105 | Copper alloy for electronic instruments A copper alloy for electronic instruments is disclosed which comprises 2.0 to 7.0 wt. % of Sn, 1.0 to 6.0 wt. % in total amount of at least one kind of Ni, Co and Cr, o.1 to 2.0 wt. % of Si, and the remainder of Cu and unavoidable impurities, thereby furt... | 06/04/1991 |
| 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 |
| 4886641 | Electrical contact spring material made of copper base alloy of high strength and toughness with reduced anisotropy in characteristics A novel electrical contact spring material made of a copper base alloy is disclosed. This spring material has high strength and toughness, as well as good adhesion of solder. It also has reduced anisotropy in its characteristics in two directions, i.e., t... | 12/12/1989 |
| 4822560 | Copper alloy and method of manufacturing the same A copper alloy is disclosed which comprises 0.01 to 1.0 wt. % of Cr, 0.01 to 8 wt. % of Sn, 0.001 to 5 wt. % of at least one of 0.001 to 5 wt. % of Zn, 0.001 to 0.5 wt. % of Mn and 0.001 to 0.2 wt. % of Mg and the remainder of Cu, the content of O2 | 04/18/1989 |
| 4726858 | Recording material A recording material made of an alloy capable of exhibiting different spectral reflectances at an equal temperature, depending on a heating-cooling cycle to which the alloy is subjected. The alloy can possess in solid state different crystal structures at... | 02/23/1988 |
| 4701302 | Filler metal for welding A filler metal for the welding of steel and iron, copper and copper alloys, with and without surface finishing, which shows a good wetting and also a good flow for surface-treated base metals, which does not form any scales and any visible crusting and do... | 10/20/1987 |
| 4661416 | Ductile reactive metal-indium-copper brazing alloy article 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.... | 04/28/1987 |
| 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 |
| 4612166 | Copper-silicon-tin alloys having improved cleanability The present invention relates to copper-silicon-tin alloys having improved cleanability. These alloys consist essentially of from about 1.0% to about 5.0% tin, from about 1.0% to about 4.5% silicon, an element selected from the group consisting of from ab... | 09/16/1986 |
| 4608085 | Self-lubricating sintered bearing and process for the production thereof The invention concerns a self-lubricating sintered bearing of antimony bronze, and method for its production, the bearing containing dispersed phases (3, 4, 5) which are harder than the matrix (11), of the following composition (% by weight): Sb 1.5 to 4%... | 08/26/1986 |
