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7479212 |
Method of manufacturing high-density data storage medium
A high-density data storage medium, a method of manufacturing the data storage medium, a high-density data storage apparatus, and methods of writing data on, and reading and erasing data from the...
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7479213 |
Plating method and plating apparatus
A plating method is capable of preferentially precipitating a plated film fully and uniformly in trenches and via holes according to a mechanical and electrochemical process, and of easily forming...
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7276293 |
Far-infrared radiator and method for producing method
The present invention discloses a far infrared radiator used in various types of heating equipment. This far infrared radiator is comprised of a base material 1 composed of aluminum or aluminum...
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7122107 |
Color stabilization of anodized aluminum alloys
A process is disclosed for stabilizing certain colored anodized coating on aluminum articles against degradation by ultraviolet radiation. Anodized articles colored by an electrolytic or...
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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...
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7029568 |
Negative ion generating medium and its manufacturing method
A negative ion generating medium for generating negative ions from the surface of a mother material made of aluminum or aluminum alloy. The negative ion generating medium has the mother material of...
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6479430 |
Catalyst preparation
A substrate metal such as aluminum, usually in the form of a web, is anodized to form a porous oxide coating. A catalytic metal is then electrolytically deposited into the base of the pores...
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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...
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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.
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6358566 |
Process for producing decorative beverage can bodies
A process of producing an aluminum beverage can body having a decorative surface exhibiting a dichroic effect when observed in white light. In the process, a can body is formed from a sheet of...
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6352939 |
Method for improving the electrical properties of a gate oxide
A method for improving the electrical properties of a gate oxide is disclosed. The method includes the steps of providing a silicon wafer with a gate oxide formed thereon, providing a platinum...
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6325909 |
Method of growth of branched carbon nanotubes and devices produced from the branched nanotubes
A method of producing Y-junction carbon nanotubes. An alumina template with branched growth channels is produced after which individual Y-junction carbon nanotubes are grown directly by pyrolysis...
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6229688 |
Chip type solid electrolytic capacitor
A water vapor discharge passage 10 formed of fine porous fluorocarbon resin having high water vapor permeability is provided in a chip type solid electrolytic capacitor having a capacitor element 1...
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6228241 |
Electrically conductive anodized aluminum coatings
A process for producing anodized aluminum with enhanced electrical conductivity, comprising anodic oxidation of aluminum alloy substrate, electrolytic deposition of a small amount of metal into the...
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5951840 |
Heat resistant conducting polymer, solid electrolytic capacitor using the same and method for fabricating such capacitor
The solid electrolytic capacitor comprises a sealed capacitor element having, as a solid electrolyte layer, a heat resistant conductive layer formed on a dielectric oxide film. The heat resistant...
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5849169 |
Method for electrically coloring aluminum material and gray-colored aluminum material obtained thereby
Disclosed are a method for electrolytically coloring an aluminum material which is capable of coloring an anodic oxide film in a gray color and a gray-colored aluminum material obtained thereby. In...
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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...
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5747180 |
Electrochemical synthesis of quasi-periodic quantum dot and nanostructure arrays
A method of fabricating two-dimensional regimented and quasi periodic arrays of metallic and semiconductor nanostructures (quantum dots) with diameters of .about.100 Å(10 nm) includes the steps...
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5674371 |
Process for electrolytically treating aluminum and compositions therefor
A process for providing a variety of light to medium colors of anodized aluminum or aluminum alloy which comprises the steps of anodizing an aluminum or aluminum alloy workpiece in an aqueous...
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5643434 |
Process for coating the face of a part made of aluminum or aluminum alloy
Process for the electrolytic deposition of composite nickel onto the face of a part of a motor vehicle, in particular the bore of a casing or engine block of an internal combustion engine...
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5587063 |
Method for electrolytic coloring of aluminum surfaces using alternating current
Anodized aluminum surfaces are electrolytically colored using alternating current in a process in which two different coloring baths are sequentially employed. One bath contains copper(II) ions and...
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5581091 |
Nanoelectric devices
Single-electron devices useful as diodes, transistors or other electronic components are prepared by anodizing a metal substrate in sheet or foil form electrolytically in an acid bath, to deposit...
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5510015 |
Process for obtaining a range of colors of the visible spectrum using electrolysis on anodized aluminium
A process for obtaining a range of colors of the visible spectrum includes a first phase to form an anodic film, a second phase to modify a barrier film and a third phase to deposit metallic...
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5470636 |
Magnetic recording medium and method of producing it
A magnetic recording medium having a substrate made of aluminum or aluminum alloy and an anodic-oxide film, e.g., alumite film, formed by effecting the anodic oxidation process, wherein the surface...
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5409592 |
Electrolyte additive for a colorant bath for coloring aluminum and process for coloring aluminum
The invention describes a novel electrolyte additive for a sulfuric acid tin(II) containing colorant bath for the alternating current coloring of anodized aluminum surfaces, consisting of a...
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5409685 |
Manufactured tin(II) sulfate granules for electrolytic coloring with metal salts
A manufactured stannous sulfate granulate is suitable for electrolytically coloring anodized aluminum with metallic salts, where the granulate particles have a linear extension from 0.1 to 10 mm....
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5372697 |
Ink transfer medium of the electrically fusible type and method of making same
An ink transfer medium, and a method for manufacturing the medium are provided. The ink transfer medium is of the electrically fusible type, and has an anisotropically electrically conductive layer...
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5334297 |
Method for production of colored article of aluminum or aluminum alloy
A fast and brightly colored oxide film of aluminum which excels in durability and allows no separation of pigment is produced by using an aqueous dispersion of an organic pigment or carbon black...
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5286284 |
Hydrazinium sulphosalicylate, its preparation and its use as an antioxidizing stabilizer for tin(II) compounds
The invention provides a compound of the formula [NH 2 NH 2 ] a [C 6 H 3 (COOH) (SO 3 H) (OH)] b wherein a is 1 and b is from 1 to 2. The compound is useful for stabilizing tin (II)...
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5178967 |
Bilayer oxide film and process for producing same
A bilayer oxide film which comprises a preferably porous layer containing aluminum oxide and a non-porous layer comprising an oxide of a valve metal, e.g. tantalum. The layers are integral. The...
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5132003 |
Process for surface treatment of aluminum or aluminum alloy
The present invention provides a process for surface treatment in which the surface of aluminium or its alloy can be put in a desired color and the improved wear resistance and corrosion resistance...
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5102508 |
Method of producing colored surfaces on parts of aluminum or aluminum alloy
A method is described for producing colored surfaces on parts of aluminum or aluminum alloy which is characterized by the following process steps: 1. The parts are pre-treated by degreasing or...
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4968389 |
Method of forming a composite film over the surface of aluminum materials
A method of forming a coposite film over the surface of aluminum materials, for forming an aluminum oxide film over the surface of an aluminum material, and metal deposits in the aluminum oxide...
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4931151 |
Method for two step electrolytic coloring of anodized aluminum
A two-step process and apparatus for the electrolytic coloring of anodized aluminum using an electrode and the anodized aluminum immersed in an electrolyte. First the aluminum is anodized to form...
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4917780 |
Process for coloring anodized aluminum by AC electrolysis
Undesirable greenish tinges that normally result when coloring anodized aluminum by AC electrolysis in solutions of silver salts can be avoided by adding to the electrolytes an appropriate amount...
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4915801 |
Process for the electrolytic coloring of anodized aluminum surfaces
A process and circuitry for the electrolytic coloring of an anodized article of aluminum or aluminum alloy in a coloring bath containing at least one metal salt for coloring the article. The...
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4904349 |
Methods for producing optomagnetic recording media and systems for their use
In production of an optomagnetic recording medium having a porous anode oxidized coat on a base plate, a thin film of magnetic material of high saturated magnetization is developed after grinding...
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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...
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4808279 |
Process for preparing magnetic recording material
The invention provides a process for preparing magnetic recording material by depositing ferromagnetic material in particulate form into an aluminum substrate. The aluminum substrate is prepared by...
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4808280 |
Method for electrolytic coloring of aluminim or aluminum alloys
A method for electrolytic coloring of anodized aluminum or aluminum alloys in an electrolyte containing metal salts is disclosed, in which the aluminum or aluminum alloy is preliminarily treated in...
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4806226 |
Process for electrolytically coloring aluminum material
A process for electrolytically coloring an aluminum material wherein a base aluminum or aluminum alloy is anodized and the anodized material is electrolyzed in a second electrolytic coloring step...
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4798656 |
Process for electrolytically dyeing an anodic oxide layer on aluminum or aluminum alloys
In processes for electrolytically dyeing anodic oxide layers on aluminum or aluminum alloys with direct or alternating current in electrolytes containing metal salts, high requirements are imposed...
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4737245 |
Method for uniformly electrolytically coloring anodized aluminum or aluminum alloys
A method for electrolytically coloring anodized aluminum and aluminum alloys in a reproducible manner so that they are of uniform color is provided. The anodized aluminum or aluminum alloy is...
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4681669 |
Method for producing magnetic recording media
In production of magnetic recording media by anode oxidation of an Al predominant substrate, deposition of ferromagnetic substance in substrate pores and final grinding, use of a substrate having a...
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4650708 |
Magnetic recording material and a method for producing the same
In production of a magnetic recording material which accumulates information in magnetic substance packed in micro pores extending in the thickness direction of an anodic oxide surface layer formed...
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4559114 |
Nickel sulfate coloring process for anodized aluminum
Anodized aluminum-based metal workpieces are colored in a nickel-based electrolytic coloring process in which the nickel ion is supplied in the form of nickel sulfate in acidic solution....
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4440606 |
Method for producing a solar selective coating on aluminum
An improved process for producing a solar selective coating on aluminum comprises a preliminary treatment such as an etch or brightening followed by anodizing in phosphoric acid at a constant...
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4401525 |
Process for coloring aluminum electrolytically with metal salts
A two-step process for electrolytically coloring aluminum with metal salts is disclosed in which an oxide layer, produced by direct current in an acidic solution, is colored by means of an...
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4368107 |
Method of surface treatment of porous material
A method of the surface treatment of a porous material which comprises the step of electrolyzing the porous material in an electrolytic bath composed of an aqueous solution of at least one salt...
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4288299 |
Enhanced 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...
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