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7465495 |
Composite black oxide particle, method for producing same, black coating material and black matrix
Disclosed is a composite black oxide particle which is composed of oxide of cobalt, copper and manganese. The copper/cobalt molar ratio is 0.1-0.5, and the manganese/cobalt molar ratio is 0.2-1.0....
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7232528 |
Surface treatment agent for copper and copper alloy
The surface treatment agent for copper and copper alloys contains hydrogen peroxide, a mineral acid, an azole compound, silver ion and a halide ion. The surface treatment agent for copper and...
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7232478 |
Adhesion promotion in printed circuit boards
An adhesion promotion process and composition for enhancing adhesion between a copper conducting layer and a dielectric material during manufacture of a printed circuit board. The composition...
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7186305 |
Process for improving the adhesion of polymeric materials to metal surfaces
A process is described for treating metal surfaces with a composition comprising an oxidizer, an acid, a corrosion inhibitor, an unsaturated alkyl substituted with an aromatic or non-aromatic...
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7182822 |
Metal material with modified surface, preparation method and use of same
A metal material whose surface is modified by bonding of aromatic groups, optionally substituted by functional groups.
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6746547 |
Methods and compositions for oxide production on copper
The invention features and methods and compositions for oxide production on a Copper substrate, e.g., a Copper or Copper alloy substrate, to provide for improved adhesion of Copper substrate to...
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6740420 |
Substrate having a modified native oxide layer for improved electrical conductivity
A method for improving the electrical conductivity of a substrate of metal, metal alloy or metal oxide comprising depositing a small or minor amount of metal or metals from Group VIIIA metals (Fe,...
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6679951 |
Metal anneal with oxidation prevention
The invention relates generally to the prevention of copper oxidation during copper anneal processes. In one aspect of the invention, copper oxidation is prevented by carrying out the anneal in the...
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6656294 |
Method of reducing elution of lead in lead-containing copper alloy, and drinking water service fittings made of lead-containing copper alloy
It is an object of the present invention to provide a processing method for preventing elution of lead in a lead-containing copper alloy to prevent lead from eluting from a faucet metal, etc. made...
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6582531 |
X-ray tube and method of manufacture
The present invention relates to structures within an x-ray device including an x-ray can, an x-ray can window frame insert, a rotor sleeve, and a bearing support assembly for a rotor structure....
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6562149 |
Solution and process to pretreat copper surfaces
The invention concerns processes and solutions for the preliminary treatment of copper surfaces which are subsequently to be firmly bonded to organic substrates. The solution is used, in...
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6554914 |
Passivation of copper in dual damascene metalization
The present invention pertains to systems and methods for passivating the copper seed layer deposited in Damascene integrated circuit manufacturing. More specifically, the invention pertains to...
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6524644 |
Process for selective deposition of OSP coating on copper, excluding deposition on gold
A method is provided for the selective deposition of an organic solderability preservative (OSP) coating on copper surfaces of articles such as electronic components, e.g., printed wiring boards,...
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6521114 |
Prevention of marine encrustation on bronze propellers
From the time that they are immersed into a marine environment, bronze propellers are prone to attack by marine organisms, such as barnacles, coral and algae, which attach themselves to the bronze...
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6521052 |
Surface treatment
A simple surface treatment process is provided which offers a high performance surface for a variety of applications at low cost. This novel surface treatment, which is particularly useful for...
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6464901 |
Halogen resistant copper corrosion inhibitors
Non-halogen substituted, nitrogen containing, aromatic compounds are disclosed which are effective copper corrosion inhibitors in aqueous systems being treated with a halogen biocide. The materials...
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6428629 |
Apparatus and method for application of a chemical process on a component surface
In accordance with the present invention, an apparatus and method for application of a chemical process on a component surface is provided. In an embodiment for an apparatus for preparing a...
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6372055 |
Method for replenishing baths
Disclosed are methods for replenishing adhesion promoting baths from an unstable state without discarding the bath. Methods of adhesion promoting substrates, such as printed wiring boards, using...
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6336979 |
Wear resistant copper base alloy, method of preparing the same and electrical part using the same
Wear resistant copper or a wear resistant copper base alloy having formed on the outermost surface thereof an oxide layer having a thickness of 10-1000 nm and a layer of an intermetallic compound...
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6322636 |
Method of artificially forming patina on copper
A method of artificially forming patina on a copper product surface comprising the steps of blowing granular sodium hydrogen carbonate powder onto the copper product surface to clean and roughen...
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6316117 |
Stainless steel sheet having Cu-enriched grains dispersed in its matrix and/or a Cu-condensed layer
A new stainless steel sheet has a stainless steel substrate which contains Cu at a ratio of 1.0 wt. % or more and has Cu-enriched grains precipitated at a ratio of 0.2 vol. %. The Cu-enriched...
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6312762 |
Process for production of copper or copper base alloys
A process for the production of copper or a copper base alloy that provides a surface having improved characteristics suitable for the production of a connector or a charging-socket of an electric...
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6280597 |
Fluorinated metal having a fluorinated layer and process for its production
The known flourinated layer has usually a thickness of from 1000 to 3000 angstroms. After the forced oxidation of metal, the forcibly oxidized surface is flourinated. As a result of the preceding...
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6221176 |
Surface treatment of copper to prevent microcracking in flexible circuits
In one embodiment, the present invention relates to a flexible laminate, comprising a first flexible polymeric film; a copper layer having a microcracking prevention layer on at least one side the...
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6183880 |
Composite foil of aluminum and copper
This invention provides a composite foil comprising an aluminum carrier layer and an ultra-thin copper foil having a protective layer disposed between them comprising a porous copper layer and an...
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6146701 |
Process for improving the adhension of polymeric materials to metal surfaces
A process is described for treating metal surfaces with a composition comprising an oxidizer, an acid, a corrosion inhibitor, a source of halide ions, a source of adhesion enhancing ions selected...
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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...
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6020029 |
Process for treating metal surfaces
A process for treating metal surfaces that includes first contacting the metal surface with a particular acidic peroxide adhesion promoting composition, followed by contacting that metal surface...
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5923771 |
Sensor device for counting and determining surface bubble and crack sizes in copper bars during continuous tapping
The present invention relates to a device that measures and counts near surface bubbles on a copper bar, as well as the cracks on the lateral sides. The device detects said flaws in real time. The...
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5919519 |
Potable water supply components
A method of treating a potable water supply component, for example a pipe, pipe coupling or tap body, made of a leaded copper-based alloy such as a brass or gun metal, in order to inhibit the leach...
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5858122 |
Materials capable of readily developing natural patina and process for producing the same
Disclosed is a material capable of readily developing natural patina, comprising a basis material made of Cu or a Cu alloy at least on the surface; and a layer of at least one compound selected...
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5858136 |
Process for the manufacture of wires with a brass surface, for the purpose of wire electroerosion
Copper wire coated with a layer of zinc is heated to a temperature (T 1 ) sufficient for the formation of a brass phase β, and the temperature is maintained until complete diffusion of the zinc....
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5707421 |
Process for the inhibition of leaching of lead from brass alloy plumbing fixtures
The invention relates to a process for the inhibition and leaching of lead from brass alloy plumbing fixtures including the step of contacting the brass alloy plumbing fixtures with an aqueous...
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5622608 |
Process of making oxidation resistant high conductivity copper layers
A process for preparing an oxidation resistant, electrically conductive copper layer on a substrate, and copper layers so formed, are disclosed. A copper layer is deposited onto the surface of a...
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5534082 |
Composition and process for treating metal
Heating an aqueous mixture of a fluoroacid such as H 2 TiF 6 and an oxide, hydroxide, and/or carbonate such as silica produces a clear mixture with long term stability against settling of any...
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5376190 |
Method for producing a green protective coating on copper
A method for forming a protective layer on a copper surface is set forth. The surface of degreased strips or sheets of copper are roughened by mechanical treatment in a controlled manner. The...
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5282890 |
Process for producing brown covering layers on copper
A method for producing a uniform and adherent brown covering layer (brown patina) on surfaces of semifinished products made of copper, particularly on rolled tapes or sheets used in building...
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5259885 |
Process for making ceramic/metal and ceramic/ceramic laminates by oxidation of a metal precursor
A method of preparing a laminated ceramic. The method includes preparing a precursor having at least one noble metal element component and at least two non-noble metal elements. The precursor is...
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5252147 |
Modification of surface properties of copper-refractory metal alloys
The surface properties of copper-refractory metal (CU-RF) alloy bodies are modified by heat treatments which cause the refractory metal to form a coating on the exterior surfaces of the alloy body....
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5164235 |
Anti-tarnish treatment of metal foil
A process for imparting tarnish resistance to copper and copper alloy materials, particularly copper foil. The material is first treated with an acidic chromium-containing solution to deposit...
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5116430 |
Process for surface treatment titanium-containing metallic material
A titanium-containing metallic material having a high heat-resistant and abrasion resistant surface is produced by (A) cleaning a titanium-containing metallic material, (B) first plating the...
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5075258 |
Method for plating tab leads in an assembled semiconductor package
A method for improving the bonding characteristics of TAB semiconductor packages to circuit boards is achieved by plating additional amounts of tin on the TAB semiconductor package leads after...
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4965245 |
Method of producing oxide superconducting cables and coils using copper alloy filament precursors
A method of producing a superconducting cable or a coil including an A-B-C-D system superconductor where the A includes an element of group IIIa of the Periodic Table, the B an element of group IIa...
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4964923 |
Method of forming a copper film on a ceramic body
A film containing copper is deposited on a ceramic body, and the film and the ceramic body are heated in an oxidizing atmosphere, whereby the copper is oxidized and bonded to the body to form a...
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4962085 |
Production of oxidic superconductors by zone oxidation of a precursor alloy
Discloses a process for producing oxidic superconductors having advantageously textured oxide structures which involves zone oxidizing elongated metallic precursors of the superconductors.
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4954185 |
Method of applying adherent coating on copper
A method of applying a coating to the inner layers of multilayer boards made of copper. The cured coating is capable of maintaining adhesion without outgassing for at least 10 seconds at 250° C....
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4946518 |
Method for improving the adhesion of a plastic encapsulant to copper containing leadframes
The adhesion of plastic encapsulants to electrical leadframes containing substantial amounts of copper is improved by exposing the leadframes to an active oxygen ambient (e.g., 10-30% H 2 O 2 ) at...
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4915745 |
Thin film solar cell and method of making
A structure for, and method of making, thin films of Group I-III-VI compound semiconductors such as copper indium diselenide for use in heterojunction photovoltaic devices fabricated on metal...
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4857116 |
Process for applying coatings of zirconium and/or titanium and a less noble metal to metal substrates and for converting the zirconium and/or titanium to a nitride, carbide, boride, or silicide
Protective coatings are applied to substrate metals by coating the metal surface, e.g. by dipping the substrate metal in a molten alloy of the coating metals, and then exposing the coating at an...
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4681673 |
Portable oxygen sensor with shortened break-in time
An improved oxygen sensor is provided which gives oxygen concentration readings immediately and without the uncertain delays of a break-in period. The break-in period is decreased substantially by...
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