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| Number | Title | Issue Date |
| 7399370 | Cu-base amorphous alloy To provide a Cu-based amorphous alloy having a glass-forming ability higher than that of a Cu—Zr—Ti amorphous alloy and a Cu—Hf—Ti amorphous alloy, as well as excellent workability and excellent mechanical properties without containing large amounts of Ti. | 07/15/2008 |
| 7351596 | Method and system for operating a physical vapor deposition process A method for fabricating semiconductor wafers using physical vapor deposition. The method includes maintaining a substrate on a susceptor in a chamber. The substrate has a face positioned within a vicinity of a target material, which is within the chamber. The targe... | 04/01/2008 |
| 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 |
| 7186370 | Copper-base alloy and its use A copper-base alloy with increased melting point above 1000° C., which is resistant or immune to carburization, metal dusting and coking, resistant to oxidation at elevated temperatures. The alloy has the following composition (in weight-%): Al 4–15, Si 0.1–6, ... | 03/06/2007 |
| 6881281 | High-strength, high conductivity copper alloy excellent in fatigue and intermediate temperature properties The present invention provides a Cu—Cr—Zr alloy material excellent in fatigue and intermediate temperature characteristics, which comprises 0.05 to 1.0% by mass of Cr and 0.05 to 0.25% by mass of Zr with a balance of Cu and inevitable impurities. The alloy compr... | 04/19/2005 |
| 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 |
| 6436545 | Joint body of ceramic member and metal member and method of producing the same A joint body according to the invention is strong for a heat cycle and generates no local cracks. The joint body has the following features. An end portion of the metal member and the ceramic member are connected via a metal connection portion. The metal ... | 08/20/2002 |
| 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 |
| 6093499 | Copper alloy foils Copper alloy foils are provided having far greater strength and heat resistance than conventional copper foils, and having better productivity, are characterized by a composition comprising, all by weight, from 0.01 to 0.4% Cr, from 0.01 to 0.25% Zr, from... | 07/25/2000 |
| 5955176 | Integrated suspension using a high strength conductive material A slider suspension system for use in a magnetic recording disk file comprised of a laminated suspension positioned between an actuator arm and a read/write slider. The laminated suspension is comprised of a conductor layer, a dielectric layer and a suppo... | 09/21/1999 |
| 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 |
| 5766305 | Metal powder composition for metallization and a metallized substrate A metal powder composition for metallization is for use in forming a metallized film from a paste comprising Cu and Ti powder and consists essentially of about 95 to 99.5% Cu and 0.5 to less than 5% Ti by weight. The above-mentioned paste is then applied ... | 06/16/1998 |
| 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 |
| 5565045 | Copper base alloys having improved bend formability There are disclosed processing methods to improve the properties of copper base alloys containing chromium and zirconium. One method of processing results in a copper alloy having high strength and high electrical conductivity. A second method of processi... | 10/15/1996 |
| 5507885 | Copper-based alloy A copper-based alloy, viz. a dezincification-resistant brass, excels in various properties such as resistance to dezincification, hot forgeability and machinability and, therefore, tolerates use particularly in the atmosphere of a corrosive aqueous soluti... | 04/16/1996 |
| 5489417 | Spray cast copper-manganese-zirconium alloys having reduced porosity Spray cast copper-manganese-zirconium alloys are disclosed. In one embodiment, the alloy is spray cast in nitrogen and contains from about 1 ppm to about 20 ppm of dissolved nitrogen. In a second embodiment, the alloy contains an addition selected from th... | 02/06/1996 |
| 5370840 | Copper alloy having high strength and high electrical conductivity There is disclosed a copper base alloy which contains specified additions of chromium, zirconium, cobalt and/or iron, and titanium as well as methods for the processing of the copper alloy. One method of processing results in a copper alloy having high st... | 12/06/1994 |
| 5336342 | Copper-iron-zirconium alloy having improved properties and a method of manufacture thereof A copper based alloy and method for the manufacture thereof having improved properties. The copper alloy contains iron and zirconium with the iron being present as a uniformly dispersed second phase of the dispersoids. The dispersoids have a mean particle... | 08/09/1994 |
| 5306465 | Copper alloy having high strength and high electrical conductivity There is disclosed a copper base alloy which contains specified additions of chromium, zirconium, cobalt and/or iron, and titanium as well as methods for the processing of the copper alloy. One method of processing results in a copper alloy having high st... | 04/26/1994 |
| 5182089 | Chemisorptive metal alloy and method of using the same A chemisorptive metal alloy includes from about 30% to about 70% by weight of Ti and/or Zr and from about 30% to about 70% by weight of Cu. Optionally, the alloy may also contain from 0% to about 5% by weight of Fe; from 0% to about 10% by weight of Ni; f... | 01/26/1993 |
| 5149498 | Method of producing tarnish-resistant and oxidation-resistant alloys using Zr and B Method for producing tarnish-resistant and oxidation-resistant sheets, billets, rods, tubes, profiles or wires for tarnish-resistant and oxidation-resistant structural components which tolerate thermal and mechanical stresses, of copper or silver as matri... | 09/22/1992 |
| 5120612 | Incorporation of ceramic particles into a copper base matrix to form a composite material A method of casting a copper based composite which includes a second phase ceramic particles. A copper or copper based alloy containing a eutectic reactive element is spray cast with the ceramic particles being injected into the spray cast stream of mater... | 06/09/1992 |
| 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 |
| 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 |
| 5039478 | Copper alloys having improved softening resistance and a method of manufacture thereof A method for the manufacture of copper base alloys having improved resistance to thermally induced softening is provided. The alloy composition is selected so that the alloy undergoes either a peritectic or eutectic transformation during cooling. The soli... | 08/13/1991 |
| 5026434 | Copper-iron-cobalt-titanium alloy with high mechanical and electrical characteristics and its production process A process for producing a Cu-Fe-Co-Ti alloy useful as conductor elements in the electronics and connector industries. The alloy is produced in the form of a bath having a Ti/Fe+Co ratio between 0.3 and 1 and a Co/Fe ratio between 0.10 and 0.90. The molten... | 06/25/1991 |
| 5019185 | Method for producing high strength Cu-Ni-Sn alloy containing manganese A high strength Cu-Ni-Sn alloy, comprising 3-25% Ni, 3-9% Sn, 0.05-1.5% Mn, balance Cu, is heated to a temperature of 800° C. or above in a single-phase region. This heat treatment is followed by quenching and subsequent heating at a temperature range of... | 05/28/1991 |
| 4897243 | Ductile brazing alloy of copper-nickel-silicon-titanium A brazing alloy useful for brazing ceramics having the following composition, in weight percent: 0.3 to 5% titanium; 2 to 15% nickel; 0.25 to 4% silicon; balance copper.... | 01/30/1990 |
| 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 |
| 4880482 | Highly corrosion-resistant amorphous alloy A highly corrosion-resistant amorphous Cu alloys with at least one element selected from the group of Ta and Nb and other Cu-Ta alloys with at least one element selected from the group of Nb, Ti and Zr, wherein the total content of alloying elements other... | 11/14/1989 |
| 4872048 | Semiconductor device having copper alloy leads A semiconductor device having leads of high strength and elongation and which consist essentially of a copper alloy that contains 0.05-1% of Cr, 0.005-0.3% of Zr, 0.001-0.05% of Li, 0-1% of Ni, 0-1% of Sn, 0-1% of Ti, 0-0.1% of Si and 0.001-0.3% of at lea... | 10/03/1989 |
| 4859417 | Copper-based metal alloy of improved type, particularly for the construction of electronic components A new copper-based alloy is described, the principle characteristic of which lies in having two different age-hardening temperature intervals corresponding to which significantly different electrical and mechanical characteristics are obtained from an all... | 08/22/1989 |
| 4810468 | Copper-chromium-titanium-silicon-alloy The invention relates to a copper-chromium-titanium-silicon-alloy, which consists essentially of 0.10 to 0.50% chromiun; 0.01 to 0.25% titanium; silicon; the remainder being copper and the usual impurities, wherein the silicon content (a) is more than 0.1... | 03/07/1989 |
| 4786469 | Grain refining metals The invention provides a grain refinement method for copper-based metals, which method can be applied to a range of different types of such metals. In accordance with the method, one arranges that a melt of the metal to be grain refined contains each of t... | 11/22/1988 |
| 4749548 | Copper alloy lead material for use in semiconductor device Copper alloy lead materials used in the fabrication of semiconductor devices such as ICs and LSIs are required to have a tensile strength of 40 kgf/mm2 or more, an elongation of 4% or more, an electrical conductivity of 50% IACS or more, and a ... | 06/07/1988 |
| 4734255 | Use of a copper-titanium-cobalt alloy as the material for electronic components The invention relates to the use of a copper-titanium-cobalt-alloy which consists of 0.05-0.6% titanium; 0.05-0.6% cobalt; remainder copper, whereby the cobalt is partially replaced by iron. Due to its excellent characteristics with respect to electrical ... | 03/29/1988 |
| 4732733 | Copper-base alloys for leadframes A copper-base alloy for leadframes consisting essentially of 0.8-4.0 weight % of Ni, 0.2-4.0 weight % of Ti and 0.05-0.6 weight % of Mg, the balance being essentially Cu and inevitable impurities, and a ratio of Ni to Ti being 1-4. This copper-base alloy ... | 03/22/1988 |
| 4678637 | Copper-chromium-titanium-silicon alloy and application thereof The invention relates to a copper-chromium-titanium-silicon alloy which consists of 0.1 to 0.5% chromium, 0.05 to 0.5% titanium and 0.01 to 0.1% silicon, the remainder comprising copper and usual impurities. Because of its excellent properties as regards ... | 07/07/1987 |
| 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 |
