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7125610 Capacitor containing aluminum anode foil anodized in low water content glycerine-phosphate electrolyte without a pre-anodizing hydration step  
A capacitor comprising an aluminum anode and a dielectric layer comprising phosphate doped aluminum oxide and process for making the capacitor. The capacitor has a CV Product of at least 9 μF-V/cm...
7097756 Method for producing gold-colored surfaces pertaining to aluminum or aluminum alloys, by means of formulations containing silver salt  
The invention relates to a process for obtaining gold-colored aluminum oxide layers in which the coloring of the oxidized surface of the aluminum or aluminum alloys is carried out by an...
7090762 Method of passing electric current through highly resistive anodic oxide films  
The metal oxide surface coating of an anodized valve metal may be made conductive under certain conditions so that conductive coatings can be electrolytically deposited on the surface of the oxide....
6916414 Light metal anodization  
Using pulsed current and relatively low average voltages, articles containing light metals such as magnesium may be rapidly anodized to form protective surface coatings. The anodizing solutions...
6875334 Method of anodizing of magnesium and magnesium alloys and producing conductive layers on an anodized surface  
A method, a composition and a method for making the composition for anodizing metal surfaces, especially magnesium surfaces is disclosed. The composition is a basic aqueous solution including...
6838297 Nanostructure, electron emitting device, carbon nanotube device, and method of producing the same  
The invention provides a nanostructure including an anodized film including nanoholes. The anodized film is formed on a substrate having a surface including at least one material selected from the...
6818118 Anodically formed intrinsically conductive polymer-aluminum oxide composite as a coating on aluminum  
A method for forming a coating on aluminum by contacting the aluminum with water, at least one multifunctional polymeric organic acid, a monomer of an intrinsically conductive polymer and...
6652729 Electrolyte for very high voltage electrolytic capacitors  
An electrolyte comprising a polyester condensation product of 2-methyl-1,3-propane diol and boric acid; and further comprising dimethyl amino ethoxy ethanol in an amount to reduce the resistance of...
6540900 Method of anodizing aluminum capacitor foil for use in low voltage, surface mount capacitors  
Disclosed is a process for the continuous anodizing of aluminum foil for use in aluminum electrolytic capacitors. Specifically, etched anode foil is anodized to relatively low voltage in a two-step...
6524718 Metallic object with a thin polyphase oxide coating and process for the manufacture thereof  
A metallic object, having a metallic substrate of a valve metal or a valve metal alloy inclusive of intermetallic phases, and a thin polyphase oxide coating, is disclosed. The polyphase oxide...
6475368 Method of aqueous anodizing aluminum substrates of solid capacitors  
A method of anodizing an aluminum substrate comprising heating the substrate to a first temperature of 200° C. to about 380° C.; suspending the substrate into a first electrolyte and applying a...
6436268 Non-aqueous electrolytes for anodizing  
Non-aqueous electrolytic solutions suitable for anodizing valve metal derivative anodes, methods of anodizing using non-aqueous electrolytic solutions, and capacitors prepared with non-aqueous...
6409905 Method of and electrolyte for anodizing aluminum substrates for solid capacitors  
A method of anodizing comprising suspending at least one aluminum substrate into an electrolyte solution and applying an anodizing current to the electrolyte solution, wherein the electrolyte...
6379523 Method 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...
6372357 External component of endoscope  
An external component of an endoscope includes an aluminum alloy base member whose surface is subjected to anodic oxidation, and thereafter, is subjected to an electrolytic deposition thereon.
6346185 Method and electrolyte for anodizing valve metals to high voltage  
A method of anodizing valve metals with a borate polyester solution formed by the combining 2-methyl-1,3-propane diol and boric acid and heating to about 130 to about 160° C. The heating drives...
6299752 Very high volt oxide formation of aluminum for electrolytic capacitors  
An anode foil treatment method produces a useful high quality oxide with inherently high capacitance at voltages as high as 750 Volts or more. The anode foil treatment method comprises a series of...
6267861 Method of anodizing valve metals  
A method of non-thickness-limited anodizing for valve metals and alloys which are resistant to the non-thickness-limited growth of anodic oxide, such as niobium and high niobium content alloys....
6261434 Differential anodization process for electrolytic capacitor anode bodies  
An electrolyte comprising water, an organic solvent selected from the group consisting of a polyethylene glycol, a polyethylene glycol monomethyl ether and mixtures thereof, and a sufficient amount...
6242111 Anodized aluminum susceptor for forming integrated circuit structures and method of making anodized aluminum susceptor  
Disclosed is a method of making an anodized aluminum susceptor capable of withstanding an elevated temperature of 590° C., or a temperature as high as 475° C. in the presence of an NF 3 plasma,...
6235181 Method of operating process for anodizing valve metals  
A method of anodizing a metal comprising immersing a metal substrate into an a glycerine-based electrolytic solution and applying a constant current to produce a uniform film. The electrolytic...
6231993 Anodized tantalum pellet for an electrolytic capacitor  
An anodized pressed valve metal powder pellet is described. The anodized pellet is particularly useful as an anode in an electrolytic capacitor having an improved breakdown voltage. The anodized...
6183618 Process for treating impregnated electrolytic capacitor anodes  
A process for treating an impregnated electrolytic capacitor anode whereby the anode body is immersed in a liquid electrolytic solution and a voltage is applied to the anode body, whereby a current...
6162345 Method of anodizing a metal anode prepared from very fine metal powder  
Electrolytes containing water, at least one organic solvent, and at least one alkali metal phosphate salt can be used for anodizing valve metals prepared from metal powder having a surface area of...
6139713 Method of manufacturing porous anodized alumina film  
A plurality of recesses having the same interval and array as those of pores of an alumina film, which are to be formed in anodizing, are formed on a smooth surface of an aluminum plate in advance,...
6036767 Aqueous pigment dispersion composition for electro-deposition color coating  
The present invention provides an aqueous pigment dispersion composition for electro-deposition color coating of an aluminum or aluminum alloy oxide film, the composition comprising an organic...
5980723 Electrochemical deposition of a composite polymer metal oxide  
A process for forming polymer films through electrochemical techniques utilizing electrolytes which include conductive polymer. The resulting polymer films are electrically conductive and corrosion...
5935408 Electrolyte for anodizing valve metals  
An electrolytic solution comprising glycerine and dibasic potassium phosphate. The electrolytic solution has a water content of less than 1000 ppm and is prepared by mixing the glycerine and the...
5837117 Two-stage process for electrolytically polishing metal surfaces to obtain improved optical properties and resulting products  
A process for polishing a metal surface, typically based on Al, Mg, Ta, Ti, Zr, Hf or their alloys, comprises a first conventional polishing step by chemical or electrolytic means and a second...
5779871 Process of manufacturing aluminum surfaces for technical lighting purposes  
Reflector for technical lighting purposes, having a reflecting surface of aluminum and a protective, transparent, pore-free barrier layer of aluminum oxide produced by anodizing having a dielectric...
5775892 Process for anodizing aluminum materials and application members thereof  
According to the present invention, an aluminum alloy containing silicon is anodized using an electrolyte including a compound containing an anion having complexing capability such as sodium...
5716511 Anodizing electrolyte and its use  
An anodizing electrolyte containing a polyethylene glycol dimethyl ether and an electrochemical process for anodizing valve metals which permits the formulation of an anodic layer having a...
5362569 Anodizing and duplex protection of aluminum copper alloys  
Copper alloys of aluminum are afforded extended protection against surface corrosion by anodizing the aluminum surface to be protected, treating the surface with a heterocyclic aromatic azole...
5277788 Twice-anodized aluminum article having an organo-phosphorus monolayer and process for making the article  
A twice-anodized aluminum substrate is anodized sequentially in first and second aqueous electrolytes. In the first, the substrate is conventionally anodized to produce (i) a porous anodic oxide...
5230788 Insulated metal substrates and process for the production thereof  
The disclosure relates to insulated metal substrates and to a process for producing these substrates. These substrates have an aluminium base, an insulant constituted by an alumina film obtained by...
5225069 Process for the production of oxide ceramic surface films on silicon-containing light metal cast alloys  
A process for the production of white and black oxide ceramic surface films on silicon-containing light metal cast alloys by plasma-chemical anodic oxidation. An aluminum cast alloy is pickled with...
5211832 Process for producing electrically impervious anodized films on valve metals and product thereof  
A method is disclosed for producing an anodized film on titanium, its alloys and other metals such that the film deposited will have a specific leak rate of less than one nanoamp per square...
5205922 Formation of pitting resistant anodized films on aluminum  
A method and apparatus for retarding the pitting of aluminum by coating the luminum with a film which includes molybdenium oxide. The aluminum material is preexposed to a molybdate solution before...
5143591 Method of producing ultra stable aluminum oxide for high volt electrolytic capacitors and product thereof  
The invention relates to a method of producing aluminum capacitor foil adapted for use in high voltage AC motor start capacitors. Aluminum foil is electrolytically etched in a hot aqueous solution...
5141603 Capacitor method for improved oxide dielectric  
Capacitor structure capable of achieving increased energy storage density is disclosed together with a fabrication sequence for the capacitor and its anodic oxide dielectric material. Soft porous...
5120404 Method of producing an electrode foil for use in aluminum electrolytic capacitors  
There is provided a method of producing an electrode foil for use in aluminum electrolytic capacitors. This method includes the steps of (a) introducing a predetermined length of an aluminum foil...
5102507 Method of making an anodic phosphate ester duplex coating on a valve metal surface  
A process is disclosed for treating the surface of a valve metal such as aluminum to form a two layer protective coating thereon using an anodizing bath consisting essentially of an aqueous...
5055356 Aluminium and aluminium alloy having corrosion-resistant protective layer, and methods of making such a layer  
A body, particularly a thin layer, of aluminium or aluminium alloy is given a corrosion-resistant bright dense barrier-type protective layer. The layer has a thickness in the range 50 to 500 nm and...
4877495 Electrolytic coloring of anodized aluminum  
A process for the electrolytic coloring of anodized surfaces of aluminum or aluminum alloys using alternating current or direct current superimposed on alternating current, the electrolytic...
4861439 Method of improving the capacitance of anodized aluminum foil  
Capacitance of anodized aluminum foil is increased by treating the foil after etching but before anodizing with an aqueous solution of a salt of valve metal, the oxide of which has a dielectric...
4822458 Anodic coating with enhanced thermal conductivity  
A method of and apparatus for anodization uses an electrolyte consisting of .0 percent by weight of aqueous solution of oxalic acid, an anodization temperature in the range of 0°-5° C., and an...
4715936 Process for anodizing aluminum for an aluminum electrolytic capacitor  
An electrolyte capable of anodizing aluminum consists essentially of a solution of an amino acid having a pH of 5.5 to 8.5. The amino acid is preferably a 2-amino acid, more preferably a...
RE32512 Method for producing foil electrodes for electrolytic capacitor  
Optimum conditions, employed in an etching process of an aluminum foil for use in an electrolytic capacitor, are selected and combined together for realizing an extension of the effective surface...
4659440 Method of coating articles of aluminum and an electrolytic bath therefor  
An electrolytic bath for coating articles of aluminum and its alloys consists essentially of an aqueous solution containing an alkali metal silicate, a peroxide, a water-soluble carboxylic...
4582574 Preparation of capacitor electrodes  
Aluminum capacitor foil which has been etched for low-voltage applications is rendered usable in intermediate to high voltage capacitors by anodizing the foil in two-stages; first a low voltage...
Matches 1 - 50 out of 119 1 2 3 >