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Class 148/684 - With working


Subclass of Class 148 - Metal treatment
Definition: Process which includes a metal deforming step at from 400°C
No. of patents: 57
Last issue date: 08/26/2008


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NumberTitleIssue Date
7416620Copper alloy and method for its manufacture
The invention relates to a copper alloy having high recrystallization temperature and good conductivity used in brazed heat exchangers which alloy consists of 0.1 to 0.3% in weight chromium. The invention also relates to a method for the manufacturing of the alloy w...
08/26/2008
7314781Device packages having stable wirebonds
A method of making a packaged electrical device comprises the steps of (a) connecting one end of a wire to a first point (e.g., a first electrical node) in the package, and (b) connecting the other end of the wire to a second point (e.g., a second electrical node) i...
01/01/2008
7285174Method for producing metallic strips
A method for producing metallic strips having a high-grade cube texture based on nickel, copper, aluminum, silver or alloys of these metals including austenitic iron-nickel alloys makes it possible to obtain, during a subsequent annealing process and with lower tota...
10/23/2007
7248141Current fuse and method of making the current fuse
In order to provide a current fuse with high solderability without containing harmful materials, solder chips containing 30 to 60 percent by weight of zinc, 0.1 to 2 percent by weight of copper, 0.1 to 1 percent by weight of nickel, and the remainder percent by weig...
07/24/2007
7228722Method of forming sputtering articles by multidirectional deformation
A method of producing a valve metal mill form having dimensions sufficient to be divided to form a plurality of sputter targets is described. The method includes multidirectional deformation of an ingot to form a mill form having a preferred average grain size of ab...
06/12/2007
7220494Metal dusting resistant product
A product resistant or immune to carburization, metal dusting, coking, oxidation, and having sufficient mechanical strength for use at temperatures greater than 400° C. The product consists of a load-bearing member and a corrosion resistant member, wherein the corr...
05/22/2007
7182823Copper alloy containing cobalt, nickel and silicon
A copper alloy having an improved combination of yield strength and electrical conductivity consists essentially of, by weight, from 1% to 2.5% of nickel, from 0.5% to 2.0% of cobalt, from 0.5% to 1.5% of silicon, and the balance is copper and inevitable impurities....
02/27/2007
7180176Radiation plate and power semiconductor module IC package
Heat dissipating plate (4) made of copper-base alloy is proposed that exhibits high degree of flatness after joining in the step of assembling power semiconductor modules, IC packages, etc., that will not crack in the solder (3) joint if subjected to h...
02/20/2007
7105740Stranded copper-plated aluminum cable, and method for its fabrication
Aluminum cable type electrical conductor having at least one stranded conductor based on conductive wires with an aluminum core coated with an intermediate layer of copper itself coated by a surface layer of nickel. The surface layer of nickel has a thickness from a...
09/12/2006
7083759Method of producing a heat dissipation substrate of molybdenum powder impregnated with copper with rolling in primary and secondary directions
A material for a semiconductor-mounting heat dissipation substrate comprises a copper-molybdenum rolled composite obtained by impregnating melted copper into a void between powder particles of a molybdenum powder compact to obtain a composite of molybdenum and coppe...
08/01/2006
6800151Method of modifying properties of high-strength, high-conductivity Cu-Ag alloy plate, and method of producing high-strength, high conductivity Cu-Ag alloy plate
The present invention provides a method of modifying conductivity- and strength-related properties of a Cu—Ag alloy plate produced by predetermined annealing and cold rolling, composed of 4 to 32% by atom of Ag and Cu accounting for the balance, wherein the plate ...
10/05/2004
6746553Process for producing sputtering target materials
The invention includes methods of reducing grain sizes of materials, and methods of forming sputtering targets. The invention includes a method for producing a sputtering target material in which a metallic material is subjected to plastic working at a processing pe...
06/08/2004
6699337Copper-base alloys having improved punching properties on press and a process for producing them
An ingot of a copper-base alloy containing a total of 0.01-30 wt % of at least one element selected from among Sn, Ni, P, Zn, Si, Fe, Co, Mg, Ti, Cr, Zr and Al, with the balance being Cu and incidental impurities, is homogenized by annealing, subjected to...
03/02/2004
6689232Copper alloy
The present invention relates to copper-magnesium-phosphorous alloys. In a first embodiment, copper-magnesium-phosphorous alloys in accordance with the present invention consist essentially of magnesium in an amount from about 0.01 to about 0.25% by weigh...
02/10/2004
6679956Process for making copper-tin-zinc alloys
A process for making a copper base alloy comprises the steps of casting a copper base alloy containing tin, zinc, iron and phosphorous and forming phosphide particles uniformly distributed throughout the matrix. The forming step comprises homogenizing the...
01/20/2004
6627055Manufacture of fine-grained electroplating anodes
A continuously cast copper ingot is made by a procedure in which turbulence is imparted to the metal/solid interface during the casting operation. The ingot is then hot worked to form a billet having a smaller average grain size and a larger diameter than...
09/30/2003
6531039Anode for plating a semiconductor wafer
An anode for use in electroplating semiconductor wafers, comprising a metal plate formed from a generally continuous casting process that is essentially free of voids or cracks, the casting being thermo-mechanically worked until the anode has an average g...
03/11/2003
6464810Brass material, brass tube and their production method
An object is to improve machinability and polishability of a brass material prepared through cold working, particularly in a brass pipe material. Before cold working, by having an ଱ phase making heat treatment step for increasing an area ratio of an...
10/15/2002
6464809Processes for producing articles with stress-free slit edges
Processes for producing articles with stress-free edges which comprise slitting a copper or copper alloy sheet to provide strips of the copper material, heating the strips in a furnace at a temperature of 200-250° C. under a protective atmosphere, and co...
10/15/2002
6428638Process for producing sputtering target materials
The invention includes methods of reducing grain sizes of materials, and methods of forming sputtering targets. The invention includes a method for producing a sputtering target material in which a metallic material is subjected to plastic working at a pr...
08/06/2002
6355364Process of heat treating and annealing CIC and CIC created thereby
Processes for preparing copper-INVAR-copper (CIC) for use in making chip packaging and the CIC created. One process comprises annealing a CIC section at a temperature in a range of 1475° F. to 1625° F. for a time in a range of 40 to 120 seconds. Another...
03/12/2002
6258187Copper trolley wire and a method of manufacturing copper trolley wire
Copper trolley wire consisting essentially of at least 99.90% copper and at most 0.10% of a metal selected from the group consisting of silver, cadmium, tellurium, titanium, magnesium, manganese, chromium, zirconium, tin and combinations thereof, has a mi...
07/10/2001
6123788Copper wire and process for making copper wire
This invention relates to copper wire having a substantially uniform unoriented grain structure that is essentially columnar grain free. This invention also relates to a process for making copper wire comprising: cutting copper foil to form at least one s...
09/26/2000
5919322Alloy, in particular for use in the manufacture of frames for glass, jewelry, and the like
A high-temperature, nickel-free alloy, in particular for spectacle frames, jewelry, etc. With the following composition in percentages by weight: Zn 3.0-7.0% Mn 8.0-13.0% Fe 0.5-3.5% Al 4.5-8.00 Cu the remainder....
07/06/1999
5814168Process for producing high-strength, high-electroconductivity copper-base alloys
High-strength, high-electroconductivity copper alloys are produced by preparing an ingot of a copper alloy containing 0.05-0.40 wt % Fe, 0.05-0.40 wt % Ni, 0.01-0.30 wt % P, and optionally a total of 0.03-0.50 wt % of either Sn or Zn or both and a total o...
09/29/1998
5802708Hydrostatic extrusion of Cu-Ag melt spun ribbon
The present invention provides a method of producing high-strength and high-conductance copper and silver materials comprising the steps of combining a predetermined ratio of the copper with the silver to produce a composite material, and melt spinning th...
09/08/1998
5798008Method for producing copper alloy materials for molds for continuous steel casting, and molds made of the materials
A method for producing copper alloy materials for molds for continuous steel casting and molds as produced by the method. The molds are highly resistant to thermal fatigue and are hardly cracked. To produce the materials, cast ingots of a copper-based chr...
08/25/1998
5503691The aesthetic enhancement or modification of articles or components made of non-ferrous metals
A method of enhancing the appearance of a polished surface of an artifact is provided in which the artifact is formed from a non-ferrous alloy, in particular, but not exclusively, a precious metal alloy, chosen to exhibit a martensitic and a parent phase ...
04/02/1996
5463886Method and apparatus for manufacturing of soldering rod containing copper
The invention concerns a process and an apparatus for manufacturing soldering rods with a copper percentage of at least 60 weight-%. An extruder serves to convert a block of the alloy at a temperature between 540° and 680° C. into an individual wire of ...
11/07/1995
5443665Method of manufacturing a copper electrical conductor, especially for transmitting audio and video signals and quality control method for such conductors
A method of manufacturing an improved conductor wire, especially for use as wiring in audio/video devices is disclosed. The conductor consists of copper having a high purity of at least 99.9 wt. %. High purity copper starting material is formed as a rod w...
08/22/1995
5391242High-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
5322574Method of manufacturing a high strength, high conductivity copper-silver alloy
The present invention provides a new copper alloy containing silver from 4 to 32 at. %, which is useful for a magnet conductor, an IC lead frame, etc., having simultaneously a high strength and a high conductivity, manufactured by blending from 4 to 32 at...
06/21/1994
5205878Copper-based electric and electronic parts having high strength and high electric conductivity
Electric and electronic parts, including leadframes made of a copper-based alloy having high strength and high electric conductivity said copper-based alloy is produced by a process which comprises the steps of preparing a copper-based alloy consisting es...
04/27/1993
5167726Machinable lead-free wrought copper-containing alloys
Lead inclusion in copper-containing wrought alloys is coming into disfavor due to health and environmental considerations. Machinability, as well as retention of workability properties, associated with lead inclusion are assured by bismuth together with a...
12/01/1992
5147469Process for producing copper-based alloys having high strength and high electric conductivity
Copper-based alloys suitable for use as materials in fabricating electric and electronic parts as typified by leadframes and having high strength and high electric conductivity can be produced by a process which comprises the steps of preparing a copper-b...
09/15/1992
5106701Copper alloy wire, and insulated electric wires and multiple core parallel bonded wires made of the same
A copper alloy wire has a composition composed of no less than 0.01% by weight of Ag and balance Cu and unavoidable impurities. The copper alloy wire has been prepared by drawing a wire stock having the composition at a reduction ratio of no lower than 40...
04/21/1992
5074922Method of producing beryllium copper alloy member
A beryllium copper alloy member is provided having both a high electrical conductivity of not less than 70% IACS and a high strength of not less than 70 kgf/mm2 by an extensively simplified production method which widely decreases the productio...
12/24/1991
5002732Copper alloy having satisfactory pressability and method of manufacturing the same
A copper alloy having satisfactory pressability and a method of manufacturing this alloy. The alloy contains: 0.1 to 0.4% (weight %) of Fe, 0.05 to 0.20% of Ti, 0.003 to 0.10% of Mg, 0.5 to 1.5% of Sn, and 0.01 to 1.0% of any one or two or all of the elem...
03/26/1991
4582545Method of producing electrical conductor
A method of producing an electrical conductor is described. The electrical conductor is made of an oxygen-free copper material having an oxygen content of not more than 50 ppm, wherein copper crystals constituting the copper material are giant crystals. T...
04/15/1986
4574604Process and apparatus for high speed fabrication of copper wire
A continuous process for high speed fabrication of wire comprises the steps of directing wire through a first set of drawing dies to reduce the wire diameter to an intermediate diameter, applying a lubricant to the wire during the drawing process, anneali...
03/11/1986
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