Class 148/434 - Zinc containing

Subclass of Class 148 - Metal treatment
Definition: Stock material which additionally contains zinc.
No. of patents: 107
Last issue date: 03/22/2011

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Number	Title	Issue Date
7909946	Copper alloy A copper alloy consists essentially of Cu: 69 to 88 mass %, Si: 2 to 5 mass %, Zr: 0.0005 to 0.04 mass %, P: 0.01 to 0.25 mass %, and Zn: balance; has relation of, in terms of content of element a, [a] mass %, f0=[Cu]−3.5[Si]−3[P]=61 to 71, f1=[P]/[Zr]=0.7 to 20...	03/22/2011
7883589	Free-cutting copper alloy containing very low lead The free-cutting copper alloy according to the present invention contains a greatly reduced amount of lead in comparison with conventional free-cutting copper alloys, but provides industrially satisfactory machinability. The free-cutting alloys comprise 71.5 to 78.5...	02/08/2011
7628872	Lead-free free-cutting copper-antimony alloys A lead-free free-cutting copper-antimony alloy comprises in percentage by weight: 55 to 65% Cu, 0.3 to 2.0% Sb, 0.2 to 1.0% Mn, at least two elements selected from the group of Ti, Ni, B, Fe, Se, Mg, Si, Sn, P and rare-earth metal in amount of 0.1-1.0%, as well as b...	12/08/2009
7354489	Lead-free copper alloy and a method of manufacture A lead-free copper alloy based on Cu—Zn—Si and a method of manufacture thereof. The copper alloy is built on the basis of copper, zinc and silicon without toxic additives and consists of: 70 to 83% Cu, 1 to 5% Si and the further matrix-active elements: 0.01 to 2...	04/08/2008
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
7182823	Copper 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
7180176	Radiation 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
7056396	Copper/zinc alloys having low levels of lead and good machinability The free-cutting copper alloy according to the present invention contains a greatly reduced amount of lead in comparison with conventional free-cutting copper alloys, but provides industrially satisfactory machinability. The free-cutting alloys comprise 69 to 79 per...	06/06/2006
6964713	Copper base alloy suitable for use as material for sliding member A copper base alloy suitable for use as a material for a sliding member used under severe sliding conditions such as a floating bush bearing of a turbocharger used in automobiles is disclosed. The alloy comprises, by mass %, 15 to 25% Zn, 4.2 to 10% Di, 2 to 7% Mn, ...	11/15/2005
6949150	Connector copper alloys and a process for producing the same Copper alloy having the basic composition Cu—Zn—Sn contains 23-28 wt % Zn and 0.3-1.8 wt % Sn and satisfies the relation 6.0≦0.25X+Y≦8.5 (where X is the addition of Zn in wt % and Y is the addition of Sn in wt %). The alloy is cast into an ingot by melting a...	09/27/2005
6946039	Physical vapor deposition targets, and methods of fabricating metallic materials The invention includes a physical vapor deposition target composed of a face centered cubic unit cell metal or alloy and having a uniform grain size less than 30 microns, preferably less than 1 micron; and a uniform axial or planar texture. Also described is a...	09/20/2005
6896748	Ultrafine-grain-copper-base sputter targets The sputter target has a composition selected from the group consisting of high-purity copper and copper-base alloys. The sputter target's grain structure is at least about 99 percent recrystallized; and the sputter target's face has a grain orientation ratio of at ...	05/24/2005
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
6793468	Turbo-charger for internal-combustion engine A turbocharger for an internal combustion engine, in which a bearing having excellent abrasion resistance without generating a black corrosion product in a high-temperature oil environment is provided. As bearing materials of a turbocharger, a copper alloy material ...	09/21/2004
6790297	Retainer A brass is a base material, and a material containing Mn and Si is cast to make a ring material. Ametallic structure in the cross section of the ring material is under a condition where an intermetallic compound Mn5Si3 is uniformly and finely s...	09/14/2004
6787101	Die-casting brass alloy which is resistant to dezincification The present invention relates to a die-casting brass alloy having a dezincification resistance, which is lower than 100 μm for a separate value according to British Standard BS 2872 in a die-casting condition (i.e. without a subsequent phase transforming heat treat...	09/07/2004
6783611	Phosphorized copper anode for electroplating A phosphorized copper anode used for electroplating, including: 20-800 ppm of phosphorus; between 0.1 and less than 2 ppm of oxygen, and the balance being high purity copper having a purity of 99.9999% by mass or higher, wherein the average grain size of the copper ...	08/31/2004
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
6699337	Copper-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
6695934	Copper alloy and process for obtaining same A copper base alloy consisting essentially of tin in an amount from about 0.1 to about 1.5% by weight, phosphorous in an amount from about 0.01 to about 0.35% by weight, iron in an amount from about 0.01 to about 0.8% by weight, zinc in an amount from abo...	02/24/2004
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
6632300	Copper alloy having improved stress relaxation resistance A copper alloy having improved stress relaxation resistance is formed from a copper base alloy that consists, by weight, essentially of 1.8%-3.0% iron, 0.01%-1.0% zinc, 0.001 %-0.25% phosphorus, 0.1 %-0.35% magnesium and the balance is copper and unavoida...	10/14/2003
6620340	Method for providing a corrosion inhibiting solution The invention is directed to a method for providing a corrosion inhibiting aqueous solution which includes zinc orthophosphate where the zinc orthophosphate is solubilized. The invention is directed to a method of making a substantially contaminant-free, ...	09/16/2003
6599378	Copper-based alloy, method for production of the alloy, and products using the alloy A copper-based alloy includes one base phase selected from the group consisting of ଱ phase, ଱+ଲ phase, and ଱+ଲ+γ phase, a component having a lower melting point than the base phase, and a component for dispersing the base ph...	07/29/2003
6558617	Copper alloy for use in electric and electronic parts A copper alloy of high strength and high electroconductivity which is excellent in characteristics such as strength, electroconductivity and bending formability required as copper alloys for use in electric and electronic parts such as lead frames, termin...	05/06/2003
6413330	Lead-free free-cutting copper alloys A lead-free free-cutting copper alloy having 69 to 79 percent, by weight, of copper; greater than 3 percent, by weight, of silicon; and a remaining percent, by weight, of zinc. The alloy preferable has greater than 3.0 percent and less than or equal to 4....	07/02/2002
6391384	Method for providing a corrosion inhibiting solution The invention is directed to a method for providing a corrosion inhibiting aqueous solution which includes zinc orthophosphate where the zinc orthophosphate is solubilized. The invention is directed to a method of making a substantially contaminant-free, ...	05/21/2002
6391163	Method of enhancing hardness of sputter deposited copper films The present invention provides a method and apparatus for forming a copper layer on a substrate, preferably using a sputtering process. The sputtering process involves bombarding a conductive member of enhanced hardness with ions to dislodge the copper fr...	05/21/2002
6348114	Copper alloy and sliding bearing having improved seizure resistance A sliding bearing having improved seizure resistance has the following structure: (a) A bearing layer (2). It comprises a copper alloy containing in a Cu matrix Ag, Sn, Sb, In, Mn, Fe, Bi, Zn, Ni and/or Cr. (b) A first sub-layer (3) of the bearing layer (2). F...	02/19/2002
6340446	Nickel-free white copper alloy A nickel-free white copper alloy represented by the general formula: Cua Znb Mnc Ald or Cua Znb Mnc Ald Xe, wherein X is at least one element selected from the g...	01/22/2002
6210503	Roller pin materials for enhanced cam durability A low friction, wear-resistant pin for a cam follower roller useful in the injector and valve trains of internal combustion engines, particularly diesel engines, to enhance cam durability and life is provided. The material selected for the pin, which is s...	04/03/2001
6132529	Leadframe made of a high-strength, high-electroconductivity copper alloy A leadframe of a single frame structure for supporting leads on IC chips. The leadframe is made of a high-strength, high-electroconductivity copper alloy. The copper alloy is produced by preparing an ingot of a copper alloy of 0.05-0.40 wt. % Fe, 0.05-0.4...	10/17/2000
6132528	Iron modified tin brass There is provided a tin brass alloy having a grain structure that is refined by the addition of controlled amounts of both zinc and iron. Direct chill cast alloys containing from 1% to 4%, by weight of tin, from 0.8% to 4% of iron, from an amount effectiv...	10/17/2000
6103026	Corrosion-resistant copper materials and making method A corrosion-resistant copper material has a surface layer of a copper alloy containing 10-50 at % (i.e. % by atom) of silicon and of 10-1,000 Å thick. It is produced simply by annealing a copper material containing 0.01-5 at % of silicon at 100-600° C. ...	08/15/2000
6099663	Copper alloy and process for obtaining same A copper base alloy consisting essentially of tin in an amount from about 0.1 to about 1.5% by weight, phosphorous in an amount from about 0.01 to about 0.35% by weight, iron in an amount from about 0.01 to about 0.8% by weight, zinc in an amount from abo...	08/08/2000
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
6059901	Bismuthized Cu-Ni-Mn-Zn alloy Bismuth bearing copper-nickel-manganese-zinc corrosion and gall resistant castable alloy, particularly for use in food processing machinery, with the following weight percentage range: Nickel=12-28 Manganese=12-28 Zinc=12-28 Aluminum=0.5-2.00 Bismuth=2-6 Phosp...	05/09/2000
5997663	Nickel-free copper alloy A nickel-free white or yellowish copper alloy having excellent corrosion resistance, with high degree of whiteness or yellowness, which is non-allergenic and therefore is suitable for use, for example, in elements, sliders, stoppers and the like for a sli...	12/07/1999
5961749	Use of a brass alloy for sanitary pipes The invention relates to the use of a brass alloy with a high degree of cold workability for sanitary pipes, comprising 60.5-63.2% Cu, 2%-3.7% Pb, the balance Zn, plus normal impurities, wherein the effective copper equivalent is 63%-64.5% Cu. The use of ...	10/05/1999
5942056	Plumbing fixtures and fittings employing copper-bismuth casting alloys A plumbing fixture or fitting fabricated from a bismuth and mischmetal containing copper alloy....	08/24/1999

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Class 148/434 - Zinc containing