Class 420/501 - SILVER BASE

Subclass of Class 420 - Alloys or metallic compositions
Definition: Alloy, or metallic composition which contains over 50 percent of silver by weight.
No. of patents: 80
Last issue date: 08/18/2009

«First «Previous1 2 Next»Last»

Number	Title	Issue Date
7575714	Silver alloy excellent in reflectance maintenance property and method for producing an optical recording medium The present invention is a silver alloy including silver as the main component and at least one rare-earth element as a first dopant element, and excellent in reflectance maintenance property. In the present invention, the first dopant element is preferably samarium...	08/18/2009
7566417	Ag base alloy thin film and sputtering target for forming Ag base alloy thin film The present invention relates to an Ag alloy film. Particularly, it is preferably used as a reflective film or semi-transmissive reflective film for an optical information recording medium having high thermal conductivity/high reflectance/high durability in the fiel...	07/28/2009
7514037	AG base alloy thin film and sputtering target for forming AG base alloy thin film The present invention relates to an Ag alloy film. Particularly, it is preferably used as a reflective film or semi-transmissive reflective film for an optical information recording medium having high thermal conductivity/high reflectance/high durability in the fiel...	04/07/2009
7413618	Silver alloy for reflective film The present invention provides a silver alloy for use in a reflection film in an optical recording medium, comprising silver as a main component, and at least one metal element as a first additive element having lower melting point than that of silver. Preferable fi...	08/19/2008
7396424	Method of manufacturing a hard precious metal alloy member A method of manufacturing a hard precious metal alloy member comprising casting a material consisting essentially of a gold alloy, which has a gold content of from 37.50 to 98.45 wt %, and contains gadolinium in an amount of not less than 50 ppm, but less than 1,500...	07/08/2008
7219826	Method for producing metal/ceramic bonding substrate There is provided a method for producing a reliable metal/ceramic bonding substrate at low costs by forming a desired fillet on the peripheral portion of a metal circuit by a small number of steps. After an active metal containing brazing filler metal 12 is a...	05/22/2007
7189292	Self-encapsulated silver alloys for interconnects Alloys of silver and an alloying element that diffuses to the surface of the high conductivity metal and is oxidizable to form an alloying element oxide such as beryllium are provided along with electronic structures employing the alloys and methods of fabrication.	03/13/2007
7045187	Metal alloys for the reflective or the semi-reflective layer of an optical storage medium Metal alloy thin films are provided for use in the highly reflective and semi-reflective layers of optical discs. Alloys include silver alloyed with gold, palladium, copper, rhodium, ruthenium, osmium, iridium, and platinum. Other alloys include copper alloys with s...	05/16/2006
7045188	Metal alloys for the reflective or the semi-reflective layer of an optical storage medium A silver-based alloy thin film is provided for the highly reflective or semi-reflective layer of optical discs. Alloy additions to silver include gold, rhodium, ruthenium, osmium, platinum, palladium, copper, silicon, cadmium, tin, lithium, nickel, cobalt, indium, c...	05/16/2006
7018696	Metal alloys for the reflective or the semi-reflective layer of an optical storage medium A silver-based alloy thin film is provided for the highly reflective or semi-reflective coating layer of optical discs. Elements that can be added to silver to produce useful silver alloys include zinc, aluminum, copper, manganese, germanium, yttrium, bismuth, scand...	03/28/2006
6913657	Hard precious metal alloy member and method of manufacturing same A hard precious metal alloy member is constituted of a gold alloy, which has a gold Au content of from 37.50 to 98.45 wt %, and contains a hardening additive in a range of not less than 50 ppm but less than 15,000 ppm, wherein the hardening additive is constituted o...	07/05/2005
6791045	Shielded-type automotive relay controlling a magnet clutch load of a vehicle air-conditioner The invention is directed to an electric contact material useful in the fabrication of a vehicle relay of high durability against inductive load to which the relay incorporated in a magnetic clutch of a vehicle air-conditioner is exposed, and also to a relay having ...	09/14/2004
6746551	Make break contact material comprising ag-ni based alloy having ni metal particles dispersed and relay using the same A make-and-break contact material which is less worn out and is able to achieve an increased life compared to a conventional material of Ag—CdO-based alloy, in an AC general relay used for a resistive load of about 1 to 20A in a range of AC 100V to 250V. In the pr...	06/08/2004
6627149	High-purity silver wires for use in recording, acoustic or image transmission applications A high purity silver wire for use in recording, acoustic or image transmission applications. The high purity silver wire is made of high purity silver containing sulfur, iron, copper, palladium, gold and lead impurities in an amount such that no one of th...	09/30/2003
6506267	Personal ornament and silver alloy for personal ornament The accessory of the present invention comprises 1% to 9% by weight of germanium, 2% to 20% of indium in terms of weight ratio with respect to germanium, and the rest constituted by silver. It can provide an accessory realizing a metallic luster similar t...	01/14/2003
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
6399019	Brazing material for use in joining a metal plate to a ceramic substrate A metal-ceramic composite substitute is produced by joining a metal plate to a ceramic substrate by using a brazing material in a paste form prepared by adding 10-14 parts by weight of a vehicle to 100 parts by weight of a powder of which the solid centen...	06/04/2002
6319617	Oxide-bondable solder A solder composition that bonds well to oxides and other surfaces to which solder bonding is conventionally difficult is provided. The solder is particularly useful for reliable bonding and packaging of optical components that often have oxide surfaces. T...	11/20/2001
6306516	Article comprising oxide-bondable solder The invention provides an article comprising a solder that bonds well to oxides and other surfaces to which solder bonding is problematic. The solder composition contains one or more rare earth elements, which react with the oxide or other surface to prom...	10/23/2001
6210547	Enhanced solder surface and process for chemically and mechanically enhancing solder surface properties A process for altering surface properties of a mass of metal alloy solder comprising a first metal and a second metal. The process comprises exposing the mass to energized ions to preferentially sputter atoms of the first metal to form a surface layer rat...	04/03/2001
6139652	Tarnish-resistant hardenable fine silver alloys A fine silver alloy composition having at least about 99.5 weight percent silver, with the balance containing an element, or an oxide of an element, selected from the group consisting of: aluminum, antimony, cadmium, gallium, germanium, indium, lithium, m...	10/31/2000
5967860	Electroplated Ag-Ni-C electrical contacts Nesting electrical connectors comprising a substrate and a silver-nickel-carbon electrodeposit atop the substrate. The electrodeposit is at least about 0.5 micrometers thick, and comprises about 10 to about 25 atomic percent nickel which is dispersed as a...	10/19/1999
5957828	Silver sol, preparation thereof, coating material for forming transparent conductive film and transparent conductive film A silver sol comprises silver particles having a particle size ranging from 1 to 100 nm and a silver solid content ranging from 1 to 80% by weight. The silver sol can be prepared by a method comprising the steps of reacting a solution of a silver compound...	09/28/1999
5882441	Silver colored alloy with low percentage copper A silver colored alloy, highly tarnish resistant, corrosion resistant and brittleness free is provided. The alloy includes 90% to 94% by weight silver, 3.50% to 7.35% by weight zinc, 1% to 3% by weight copper, and 0.1% to 2.5% by weight silicon. The alloy...	03/16/1999
5858125	Magnetoresistive materials A magnetoresistive material of the present invention has a structure in which many clusters are surrounded by a crystal phase of Cu and/or Ag, where each cluster has a grain size of 20 nm or less and composed of an amorphous phase containing at least one ...	01/12/1999
5808213	Silver-iron material for electrical switching contacts (II) Silver-iron materials for electrical switching contacts with properties which come very close to those of silver-nickel materials formed of 4.6 to 15% by weight iron and 0.05 to 5% by weight of one or more of the oxides magnesium oxide, calcium oxide, ytt...	09/15/1998
5749940	Method for producing high grade reduced silver The known method comprises the following steps. (1) the de-copperized anode slime is chlorination-leached with HCl and H2 O2. (2) Na2 CO3 is added to the chlorination-leach residue of (1). (3) NH3 is ...	05/12/1998
5728194	Silver-iron material for electrical switching contacts (III) Silver-iron materials for electrical switching contacts with properties which come very close to those of silver-nickel materials formed of 0.5 to 20% by weight iron 0.5 to 5% by one or more of the elements rhenium, iridium, and ruthenium, and 0.05 to 2% ...	03/17/1998
5578177	Method of manufacturing fully annealed metal anodes Methods of manufacturing fully annealed metal anodes are disclosed. The methods contemplate supplying metal and heating the metal until it has obtained a molten state. The molten metal is permitted to flow into a die and transported therethrough where it ...	11/26/1996
5451272	Silver-oxide electric contact material for use in switches for high current A silver-oxide material for electric contacts of high-current switches, having excellent deposition resistance and consumption resistance. The material is formed by subjecting to an internal oxidation treatment an Ag alloy consisting essentially, by weigh...	09/19/1995
5425819	Magnetoresistive material A granule-type magnetoresistive material is used to form a MR component, which is equipped in a magnetic head, or the like. When placing the magnetoresistive material in the external magnetic field, the electric resistance is altered responsive to a varia...	06/20/1995
5422065	Silver-based contact material for use in power-engineering switchgear, and a method of manufacturing contacts made of this material The contact material in particular for contacts in low-voltage switches consists of silver and further active components. In accordance with the invention, iron (Fe) in proportions of between 1 and 50% by weight and rhenium (Re) in proportions of between ...	06/06/1995
5288430	Conductive pastes A conductive paste is provided which is prepared by kneading a composition comprising silver metal powder, an organic vehicle, and a silver-titanium alloy powder contained in an amount of 0.1 to 6.0% by weight based on the amount of the silver metal powde...	02/22/1994
5246480	Sintered contact material based on silver for use in power engineering switch-gear, in particular for contact pieces in low-voltage switches In a contact material, there is present in addition to silver, at least one higher melting point metal, metal alloy or metal compound. According to the invention, the material contains in addition to silver (Ag), at least iron (Fe) and/or titanium (Ti) in...	09/21/1993
5171643	Electric contact material and electric contact using said material An electric contact material comprising 0.01 to 2.0 weight % of Li, 0.01 weight % or more to less than 0.2 weight % of at least one rare earth metal and the remainder being Ag. The electric contact material may further comprise 0.1 to 1.0 weight % of at l...	12/15/1992
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
5147728	Ag-SnO₂ electrical contact materials Novel Ag-SnO electrical contact materials are disclosed, which are made of Ag alloys consisting of 5-20 weight % of Sn and a balance of Ag, the alloys having been prepared by melting and having been internal oxidized. Novel manufacturing methods are also ...	09/15/1992
5098655	Electrical contact alloy The electrical contact alloy is provided comprising Sb and either Au or Ag or both. In such alloys, Sb produces a non-catalytic effect to inhibit formation of carbon from organic gases derived from resin parts. Therefore, when electrical contacts of such ...	03/24/1992
5078810	Method of making Ag-SnO contact materials by high pressure internal oxidation Novel Ag-SnO electrical contact materials are disclosed, which are made of Ag alloys consisting of 5-20 weight % of Sn and a balance of Ag, the alloys having been prepared by melting and having been internal oxidized. Novel manufacturing methods are also ...	01/07/1992
5069190	Fuel treatment methods, compositions and devices The invention encompasses methods, compositions of matter and devices used with fuel combustion apparatus for treating fuels prior to combustion by flowing such fuels into intimate contact with one of a variety of metal alloys formed from refractory ores ...	12/03/1991

«First «Previous1 2 Next»Last»

PatentStorm

Quotables

PatentStorm News

Class 420/501 - SILVER BASE