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Class 205/203 - Sealing


Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter wherein the oxide-containing coating on the
No. of patents: 50
Last issue date: 04/24/2007


1    
NumberTitleIssue Date
7207373Non-oxidizable coating
A substrate is coated by applying an essentially pure aluminum first layer to a surface of the substrate. At least a first portion of the first layer is oxidized so as to provide a protective coating of desired properties. The substrate may be a refractory metal-bas...
04/24/2007
7166165Barrier coating for vitreous materials
A chemical vapor deposition apparatus comprises a reaction chamber and one or more vitreous components having an outer surface that is covered at least in part by a devitrification barrier layer. In some arrangements, the one or more vitrious components can include ...
01/23/2007
7080060System and method for intelligent data caching
The present disclosure teaches a method and system for intelligent data management. The system preferably includes a caching service having a listener and plurality of query threads adapted to enable communications with a data type independent cache container. The l...
07/18/2006
7060622Method of forming dummy wafer
According to the present invention, a dummy wafer is formed by forming a masking film on a rear surface of a silicon wafer; spray coating aluminum and depositing an aluminum film on a front surface of the silicon wafer; spray coating ceramics or carbon and depositin...
06/13/2006
6974776Activation plate for electroless and immersion plating of integrated circuits
The invention provides a method of plating an integrated circuit. An activation plate is positioned adjacent to at least one integrated circuit. The integrated circuit includes a plurality of bond pads comprising a bond-pad metal, and the activation plate also compr...
12/13/2005
6967164Method for electroless plating a contact pad
A method and apparatus is disclosed for sequential processing of integrated circuits, particularly for conductively passivating a contact pad with a material which resists formation of resistive oxides. In particular, a tank is divided into three compartments, each ...
11/22/2005
6764587Process for producing aluminum support for planographic printing plate, aluminum support for planographic printing plate, and planographic printing master plate
A process for producing an aluminum support for a planographic printing plate, the process comprising the steps of: (a) preparing an aluminum plate; (b) disposing said aluminum plate in an aqueous acidic solution; and (c) electrochemically surface-roughening said al...
07/20/2004
6716370Supramolecular oxo-anion corrosion inhibitors
A corrosion inhibitor is described which includes several supramolecular oxo-anion compositions useful for preventing the propagation of pit corrosion on aluminum and aluminum alloys. The oxo-anion compositions preferably include soluble polymeric oxidic acids compr...
04/06/2004
6703135Method for producing a corrosion protective coating and a coating system for substrates made of light metal
A system and method for providing a coating for protecting a surface from corrosion are provided. The method involves providing a system of layers on a light metal or light metal alloy substrate. The system of layers includes a nonconductive layer adjacen...
03/09/2004
6649039Process of surface treating aluminum articles
A process of surface treating an aluminum or aluminum alloy article includes the steps of: (1) forming an oxide layer on the aluminum or aluminum alloy article by anodizing; (2) sealing the oxide layer of the article; and (3) forming a protective film on ...
11/18/2003
6630400Method for electroless plating a contact pad
A method and apparatus is disclosed for sequential processing of integrated circuits, particularly for conductively passivating a contact pad with a material which resists formation of resistive oxides. In particular, a tank is divided into three compartm...
10/07/2003
6447665Faster two-step sealing of anodized aluminum surfaces
Anodized aluminum surfaces are advantageously sealed by an energy- and time-saving two step process, in which the first step is contact at not more than 75° C. with a solution containing lithium and fluoride ions and, optionally, surfactant. The second n...
09/10/2002
6379523Method of treating surface of aluminum blank
With the purpose of forming an anodic oxide coating that is given conductivity or other new functions on the surface of aluminum-based material with high productivity, anodizing of aluminum-based material (2) is performed in an anodizing bath containing s...
04/30/2002
6372115Process for anodizing Si-based aluminum alloy
A process for anodizing an Si-based aluminum alloy comprises the steps of subjecting the Si-based aluminum alloy to electrolysis in an electrolyte containing phosphate and fluoride to form an anodized film on the aluminum alloy, infiltrating a photosettin...
04/16/2002
6217737Method for forming a corrosion-resistant conductive connector shell
A corrosion-resistant and electrically conductive connector shell includes a shell member formed of an aluminum alloy; an anodic surface coating formed on and extending into the shell member, having an approximate thickness between 0.0008 inch and 0.0018 ...
04/17/2001
6103087Method of manufacturing support for planographic printing plate and presensitized planographic printing plate employing the support
Disclosed is a method for manufacturing a presensitized planographic printing plate comprising a support, and provided thereon, a light sensitive layer, the support having small pits with an average opening size of 0.2 to 0.8 μm and a depth to size ratio...
08/15/2000
6080491Substrate for electrophotographic photoconductor and electrophotographic photoconductor using the same
A substrate for an electrophotographic photoconductor having an anodic oxidation film on the surface is subjected to two-step sealing treatment in which the substrate is sealing treated with nickel fluoride as a sealing agent, and then with nickel acetate...
06/27/2000
5932083Electrodeposition of cerium-based coatings for corrosion protection of aluminum alloys
A process for enhancing the corrosion resistance of an aluminum-containing component with a cerium based coating. An aluminum-containing cathode and an oxygen-evolving anode are immersed in an electrolyte comprising water, solvent, oxidizing agent and cer...
08/03/1999
5891269Method of compacting anodized metals with lithium and fluoride-containing solutions without using heavy metals
A process for sealing anodized metals without using any heavy metals comprises a first step in which the anodized metal is contacted for a period of between 3 and 30 minutes (for an anodized layer thickness of 20 μm) with an aqueous solution which has a ...
04/06/1999
5811215Aqueous silicate treatment method for preparing a hydrophilic surface of an lithographic printing plate aluminum base
According to the present invention there is provided a method for preparing a hydrophilic surface of an aluminum lithographic base comprising the steps of roughening and anodizing a side of an aluminum foil and sealing said side of the aluminum foil with ...
09/22/1998
5554231Corrosion resistant aluminum and aluminum coating
A non-chromium aluminum conversion coating composition for coating aluminum or an aluminum alloy which has as the essential ingredients an alkaline metal permanganate and aluminum nitrate and a pH of about 2.5 to about 4.0. The composition is effective in...
09/10/1996
5494713Method for treating surface of aluminum material and plasma treating apparatus
An alumite coating film is formed on a surface of an aluminum electrode by anodic oxidation. Pores formed on the alumite coating film are sealed. Thereafter, a silicon nitride film is formed on a surface of the alumite coating film by plasma CVD. In a pla...
02/27/1996
5482614Electroluminescence display
An EL lamp having a higher luminescence efficiency and a process for manufacturing the same are provided. The EL element includes an aluminum foil having at least one specularly polished surface, an anodized oxide film formed on the specularly polished su...
01/09/1996
5411607Process and composition for sealing anodized aluminum surfaces
This invention relates to a process and composition for sealing anodically oxidized aluminum surfaces, the composition having an effective amount of a source of alkali metal ions especially lithium ions. The process of the invention involves contacting an...
05/02/1995
5374347Trivalent chromium solutions for sealing anodized aluminum
Corrosion resistant seal-coatings are formed on anodized aluminum by immeon in aqueous solutions containing trivalent chromic compounds with an alkali added near or slightly beyond the precipitation of insoluble basic compounds. Trivalent chromium seals ...
12/20/1994
5358623Corrosion resistant anodized aluminum
A method of protecting a non-chromium anodized aluminum or aluminum alloy by rinsing the anodized aluminum or aluminum alloy with warm water to warm the anodized aluminum or aluminum alloy, coating the warm anodized aluminum or aluminum alloy with, a non-...
10/25/1994
5330635Protective coating process for aluminum and aluminum alloys
A protective coating process is described for simultaneously sealing and priming the anodic coating applied to a metal compound without the need for elevated temperatures during a subsequent curing step. The process comprises the steps of anodizing the co...
07/19/1994
5225068Method of compacting an anodically produced layer of oxide on parts of aluminum or aluminum alloy
A method is described of compacting an anodically produced layer of oxide on parts of aluminum or aluminum alloy. In accordance with the invention, the oxide layer is compacted in two process stages, the parts being pretreated in the first process stage i...
07/06/1993
5108812Substrate for a magnetic disk and process for its production
A substrate for a magnetic disk, having fine roughness formed on its surface by subjecting aluminum or an aluminum alloy to anodic oxidation, packing pores in the anodized layer thereby formed, with a material different in the physicochemical properties f...
04/28/1992
4971633Photovoltaic cell assembly
A photovoltaic assembly for converting high intensity solar radiation into lectrical energy in which a solar cell is separated from a heat sink by a thin layer of a composite material which has excellent dielectric properties and good thermal conductivity....
11/20/1990
4894127Method for anodizing aluminum
A controlled method of anodizing aluminum comprises formation of an aqueous solution of sulfuric and boric acids, immersion of a workpiece in the solution maintained at about room temperature and controlled application of voltage to achieve a current dens...
01/16/1990
4833065Process for producing support for presensitized lithographic printing plate using alkaline electrolyte
In a process for producing a support for a lithographic printing plate, at least one surface of an aluminum sheet is subjected to roughening treatment and subsequently to anodic oxidation treatment at a current density of at least 1 A/dm2 in an...
05/23/1989
4714528Process for producing aluminum support for lithographic printing plate
A process for producing an aluminum support for a lithographic printing plate, which comprises roughening an aluminum plate surface by a liquid honing process to form a first grain thereon and then modifying the first grain by a brush grinding process, an...
12/22/1987
4451335Method for producing full color images on aluminum
A process for the production of full color, partial colored or two colored pictures, scenes, words, etc., on articles of aluminum or aluminum alloys. The process involves first forming a hard, dense, non-colored anodic coating of between about 0.4 mils an...
05/29/1984
4431707Plating anodized aluminum substrates
Nickel and copper are plated over a thick anodic coating on an aluminum substrate as a step in the manufacture of printed circuit board substrates....
02/14/1984
4288299Enhanced hydrothermal sealing of anodized aluminum
Hydrothermal sealing of anodic oxide coatings is promoted and enhanced by pretreating the anodic oxide coating to be sealed in a mildly basic aqueous medium at temperatures up to those required for hydrothermal sealing of the coating....
09/08/1981
4256547Universal chromic acid anodizing method
What is disclosed is an improvement in a method of anodizing aluminum alloy parts to meet predetermined specifications regarding salt spray corrosion resistance, fatigue failure resistance, paint adhesion and coating weights and including the steps of con...
03/17/1981
4248674Anodizing method and apparatus
A system for anodizing aluminum wherein an aluminum web is positively charged predominantly on a first surface thereof, subsequently immersed in an electrolyte having a cathode therein, and thereafter a current is passed through the electrolyte between th...
02/03/1981
4239791Method of manufacturing an input screen for an image intensifier
A method of manufacturing an input screen for an image intensifier which comprises the steps of thermally depositing a phosphor layer of alkaline metal halide on one side of a substrate to provide a phosphor layer formed of columnar crystals extending in ...
12/16/1980
4225398Method of improving the corrosion resistance of an anodically oxidized surface film on aluminum articles
The corrosion resistance of an anodically oxidized surface film on aluminum articles is improved by sealing micropores and the like in such surface film with an aqueous sealing solution or dispersion containing siliceous material, such as silicic acid or ...
09/30/1980
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