Class 252/514 - Noble metal (gold, silver, ruthenium, rhodium, palladium, osmium, iridium, platinum)

Subclass of Class 252 - Compositions
Definition: Compositions wherein the free metal is a noble metal.
No. of patents: 1095
Last issue date: 05/29/2012

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Number	Title	Issue Date
8187505	Conductive compositions and processes for use in the manufacture of semiconductor devices: flux materials Described herein are a silicon semiconductor device and a conductive paste, including a flux material, for use in the front side of a solar cell device. ...	05/29/2012
8178007	Conductive paste and grid electrode for silicon solar cells A method for producing a solar cell electrode, comprising the steps of: applying on at least part of a light-receiving surface of a semiconductor substrate a conductive paste comprising conductive component, glass frit, and resin binder, wherein the conductive compo...	05/15/2012
8173050	Conductive pattern formation ink, conductive pattern and wiring substrate A conductive pattern formation ink which can be stably ejected in the form of liquid droplets and form a conductive pattern having high reliability, a conductive pattern having high reliability, and a wiring substrate provided with the conductive pattern and having ...	05/08/2012
8158031	Method for preparing metal nanoparticles using metal seed and metal nanoparticles comprising metal seed It provides a method for preparing metal nanoparticles using a metal seed and metal nanoparticles including the metal seed, the method including: preparing a solution by adding a polymer surfactant in an alcohol solvent; heating the solution; forming a metal seed by...	04/17/2012
8158032	Silver nanoparticle ink composition for highly conductive features with enhanced mechanical properties A conductive ink composition comprising organic-stabilized silver nanoparticles and a solvent, and a polyvinyl alcohol derivative resin of Formula (1) wherein R1 is a chemical bond or a divalent hydrocarbon linka...	04/17/2012
8128846	Silver composition for micro-deposition direct writing silver conductor lines on photovoltaic wafers Embodiments of the invention relate to a silicon semiconductor device, and a conductive thick film composition for use in a solar cell device. ...	03/06/2012
8123985	Electroconductive thick film composition(s), electrode(s), and semiconductor device(s) formed therefrom The present invention is directed to an electroconductive thick film composition comprising: (a) electroconductive metal particles selected from (1) Al, Cu, Au, Ag, Pd and Pt; (2) alloy of Al, Cu, Au, Ag, Pd and Pt; and (3) mixtures thereof; (3) glass frit wherein s...	02/28/2012
8101097	Printable compositions containing silver nanoparticles, processes for producing electrically conductive coatings using the same, and coatings prepared thereby Printable compositions comprising: (a) 5 to 40 parts by weight of silver nanoparticles having a maximum effective diameter of 150 nm, as determined by laser correlation spectroscopy; (b) 50 to 99.5 parts by weight of water; (c) 0.01 to 15 parts by weight of a disper...	01/24/2012
8088308	Resin composition and semiconductor device produced by using the same A resin composition which is excellent in quick curing and can be used for curing in conventionally used ovens, and a semiconductor device which is excellent in reliability such as solder crack resistance or the like when the resin composition is used as a die attac...	01/03/2012
8080180	Preparation of stable silver colloids A method is described for producing highly stable silver colloidal solutions by reducing silver nitrate with lithium citrate. In the method, the main steps consist of: (a) heating a first quantity of water to a first predetermined temperature; (b) adding a second qu...	12/20/2011
8075807	Electrode paste for solar cell and solar cell electrode using the paste An electrode paste for a solar cell comprising electrically conductive particles, lead-free glass frit, a resin binder and zinc oxide particles, wherein zinc oxide particles having a specific surface area of 6 m2/g or less are contained at 10% by weight o...	12/13/2011
8070986	Silver paste for forming conductive layers The present invention provides a silver paste for forming electrically conductive pattern comprising 0.1 to 60 wt % of a silver C0 to C12 aliphatic carboxylate; 1 to 80 wt % of silver powder; 0.1 to 15 wt % of a binder; and a residual organic solvent. The sil...	12/06/2011
8043536	Silver-palladium alloy containing conductor paste for ceramic substrate and electric circuit A conductor paste for a ceramic substrate contains a) a conductive metal powder comprising a silver powder and a palladium powder; b) a glass powder; and c) an organic solvent, wherein the conductive metal powder has an average particle diameter of not more than 1.2...	10/25/2011
8012379	Electroconductive bonding material and electric/electronic device using the same A conductive bonding material having an improved preservation stability, and hardens when desired, preferably immediately hardens at a low temperature is provided. In one invention, the conductive bonding material comprises a conductive particle ingredient, an epoxy...	09/06/2011
8007691	Fine particle of perovskite oxide, particle having deposited perovskite oxide, catalyst material, catalyst material for oxygen reduction, catalyst material for fuel cell, and electrode for fuel cell A catalyst for electrodes in solid-polymer fuel cells which comprises metal oxide particles themselves. The catalyst contains fine transition-metal oxide particles having, in the main phase, a perovskite structure represented by the general formula ABO3 (...	08/30/2011
8003019	Silver particle dispersion ink A silver particle dispersion liquid comprising a silver particle powder having an average particle diameter (DTEM) of 50 nm or less, the surface of the particle being covered with an organic protective material, dispersed in a non-polar or small polar liq...	08/23/2011
7998371	Conductive compositions and processes for use in the manufacture of semiconductor devices: Mg-containing additive Described herein are a silicon semiconductor device and a conductive silver paste for use in the front side of a solar cell device. ...	08/16/2011
7988887	Metal-polymer composites comprising nanostructures and applications thereof Metal-polymer composites, and methods of making and use thereof, said composites comprising a thermally-cured dense polyaniline substrate; an acid dopant; and, metal nanostructure deposits wherein the deposits have a morphology dependent upon the acid dopant. ...	08/02/2011
7988886	Conductive pattern forming ink, conductive pattern and wiring substrate A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; inositol; and a polyglycerol compound having a polyglyc...	08/02/2011
7981326	Silver fine powder, process for producing the same, and ink A silver fine powder comprising silver particles with an average particle diameter of 20 nm or less and having an organic protective material on the surface thereof, wherein the proportion of the organic protective material present is 0.05 to 25% by mass based on th...	07/19/2011
7976734	Solar cell electrodes This invention describes a p-type electrode useful in producing a solar cell. ...	07/12/2011
7976736	Process for preparing silver-containing aqueous formulation useful for electrically conductive or reflective coatings Process for preparing A silver-containing, disperse, water-containing formulation useful for producing electrically conductive and/or optically reflective coatings, which comprises (i) reacting a silver salt solution with a solution containing hydroxide ions, wherei...	07/12/2011
7976735	Conductive paste and grid electrode for silicon solar cells A conductive paste for grid electrodes in solar cells includes a conductive component, glass frit, and resin binder, wherein the conductive component is selected from the group consisting of (i) silver particles and metal particles selected from the group consisting...	07/12/2011
7972540	Electronic device fabrication process A process to fabricate an electronic device comprising: (a) liquid depositing a composition comprising a liquid, silver-containing nanoparticles, a replacement stabilizer comprising a carboxylic acid on the surface of the silver-containing nanoparticles, and a resid...	07/05/2011
7959831	Paste for back contact-type solar cell Disclosed is a paste for a back contact-type solar cell that includes: (a) electrically conductive particles containing silver particle and added particles selected from the group consisting of (i) metal particles selected from the group consisting of Mo, Tc, Ru, Rh...	06/14/2011
7947202	Polymer-nanoparticle compositions and methods of making and using same Disclosed are polymer nanoparticle compositions comprising a film comprising an at least partially electrically conductive oligomer, polymer, or copolymer, and at least one nanoparticle at least partially disposed therein, wherein the at least partially electrically...	05/24/2011
7935277	Conductive compositions and processes for use in the manufacture of semiconductor devices The present invention is directed to a thick film conductive composition comprising: (a) electrically conductive silver powder; (b) zinc-containing additive; (c) glass frit wherein said glass frit is lead-free; dispersed in (d) organic medium. The present invention ...	05/03/2011
7935278	Feature forming process using acid-containing composition A process including: (a) forming a feature comprising uncoalesced silver-containing nanoparticles; (b) heating the uncoalesced silver-containing nanoparticles to form coalesced silver-containing nanoparticles wherein the feature comprising the coalesced silver-conta...	05/03/2011
7922939	Metal nanoparticle inks Stabilized silver particles comprise particles comprising silver, a short-chain capping agent adsorbed on the particles, and a long-chain capping agent adsorbed on the particles. The short-chain capping agent is a first anionic polyelectrolyte having a molecular wei...	04/12/2011
7922938	Fine silver particle colloidal dispersion, coating liquid for silver film formation, processes for producing these, and silver film A process for producing a fine silver particle colloidal dispersion the fine silver particles of which have a larger average particle diameter than those in the conventional Carey-Lea process and also which has superior dispersion stability. An aqueous silver nitrat...	04/12/2011
7922940	Preparation of silver particles using thermomorphic polymers This invention relates to the synthesis and isolation of colloidal silver particles through the use of thermomorphic polymers and the resulting composition. It further relates to the use of the resulting composition in the preparation of inks for printing with silve...	04/12/2011
7919015	Silver-containing nanoparticles with replacement stabilizer A process including: providing a composition comprising silver-containing nanoparticles and molecules of an initial stabilizer on the surface of the silver-containing nanoparticles; and mixing a replacement stabilizer comprising a carboxylic acid with the compositio...	04/05/2011
7914709	Conductor compositions and the use thereof Use of a composition comprising finely divided particles of (a) an electrically-conductive material; (b) one or more inorganic binders; and (c) one or more metal(s) selected from cobalt, nickel, iron and bismuth, wherein components (a), (b) and (c) are dispersed in ...	03/29/2011
7910026	Electrical contact enhancing coating The electrical contact enhancing coating is a composition that includes finely divided precious metal particles mixed with a dielectric carrier to form a coating. The dielectric carrier is a vegetable oil (preferably soybean-based) carrier of the type used as a diel...	03/22/2011
7906045	Method of manufacture of semiconductor device and conductive compositions used therein The present invention is directed to a thick film conductive composition comprising: (a) electrically conductive silver powder; (b) Zn-containing additive wherein the particle size of said zinc-containing additive is in the range of 7 nanometers to less than 100 nan...	03/15/2011
7897066	Conductor paste for ceramic substrate and electric circuit A conductor paste for a ceramic substrate contains a) a conductive metal powder comprising a silver powder and a palladium powder; b) a glass powder; and c) an organic solvent, wherein the conductive metal powder has an average particle diameter of not more than 1.2...	03/01/2011
7857997	Conductive ink formulations A conductive ink formulation comprising silver, at least one first solvent, and a cross link wherein the cross link agent is present in an amount of about 1.5 wt % to about 6 wt % based on total weight of the formulation. The conductive ink formulation is suitable f...	12/28/2010
7857998	High conductivity polymer thick film silver conductor composition for use in RFID and other applications Disclosed are thick film silver compositions comprised of silver flake and organic medium useful in radio frequency identification devices (RFID). The invention is further directed to method(s) of antenna formation using RFID circuits or other circuits using polymer...	12/28/2010
7833439	Ultra low-emissivity (ultra low E) silver coating A silver conductive coating possessing infrared absorbing properties is disclosed. The coating is made from a blend of one or more micron size silver powders and/or flakes together with carbon black, inorganic pigment, glass frit, and powdered selenium or bismuth me...	11/16/2010
7828994	Conductive paint compositions for forming conductive coatings on substrates A conductive paint composition includes a solvent, metal powder, a rheology control agent and a water-dispersible polyurethane resin therein. The water-dispersible polyurethane resin has at least one aromatic group and a repeat unit of ether therein. ...	11/09/2010

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Class 252/514 - Noble metal (gold, silver, ruthenium, rhodium, palladium, osmium, iridium, platinum)