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5049451 |
High-coercivity thin-film recording medium
A high-coercivity thin-film magnetic recording medium, and method of producing the medium, is disclosed. The medium has a sputtered chromium underlayer, preferably about 300-1,000 Å thick, and a...
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5032470 |
Optical recording medium with an aluminum alloy metallic layer containing at least hafnium
In accordance with the present invention, there are provided information recording media having a substrate and thereon a recording layer, and a metallic layer composed of an aluminum alloy...
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5028493 |
Aluminum alloy locally having a composite portion
A porous metal supporting a composite portion of an aluminum alloy is formed by means of pressing a pair of surfaces thereof, and then chromium is cemented by diffusion before the molten aluminum...
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5013614 |
Surface treated steel plate for cans
Disclosed is a surface treated steel plate for cans prepared by drawing and ironing (DI process). In order to enable the manufactured can to maintain a good weatherability and a high corrosion...
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5002838 |
Aluminum plating substance for anodizing
An aluminum plating material to be anodized comprising a substrate, a metal layer formed on the substrate, the metal layer being electrochemically nobler than aluminum and an aluminum alloy, and an...
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5001020 |
Multifilament superconducting wire of NB.sub.3 AL
Disclosed herein is a multifilament superconducting wire of Nb 3 Al comprising a core part of copper or copper alloy which is provided in a central portion as a stabilizing material and a...
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4985310 |
Multilayered metallurgical structure for an electronic component
Disclosed is a multilayered metallurgical structure for an electronic component. The structure includes a base metallurgy which includes one or more layers of chromium, titanium, zirconium,...
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4963440 |
Al-Cr alloy vapor-deposited material
Provided herein is an Al-Cr alloy vapor deposited product having high corrosion resistance which can be used under a corrosive environment for a long period of time on account of the outstanding...
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4962060 |
Making a high speed interconnect system with refractory non-dogbone contacts and an active electromigration suppression mechanism
An interconnect (16',18', 18"), whose interlevel contacts comprise refractory (10) to refractory or refractory to semiconductor substrate (13) interfaces, comprises patterned refractory core...
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4960651 |
Magnetic devices
Magnetic devices are disclosed which include an article comprising a substrate and a thin coating of a magnetic material, in which: (a) said substrate is a flexible, laminar material; (b) said...
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4957821 |
Composite aluminum molybdenum sheet
Aluminum-molybdenum composite sheet is produced by assembling aluminum and molybdenum sheets to form a billet, rolling the assembled billet in a protective atmosphere at a temperature of about...
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4929473 |
Corrosion resistance of low carbon steels in a vanadium, sulfur and sodium environment at high temperatures
The present invention relates to a ferrous article suitable for use in devices for burning heavy and extra heavy petroleum fuels and a process for forming such an article. The article has a matrix...
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4891268 |
Coated metal substrates with anticorrosion coating composition
A coated metal substrate protected against corrosion with a lubricious coating which, exclusive of lubricant, is resin-free and phosphate-free, which coating contains hexavalent-chromium,...
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4824482 |
Pyrophoric iron product and process of making
Diffusion aluminizing, when applied to titanium is effected with little or no activator to produce more uniform case and less etching. Workpieces are very rapidly pack-diffusion coated by using an...
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4791031 |
Lead frame for IC having a wire bonding part composed of multi-layer structure of iron containing alloy, refractory metal and aluminum
In a lead frame for an IC which is provided on a wire bonding part of the inner lead unit thereof with an aluminum coating, possible detrimental diffusion of the component elements of the lead...
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4753852 |
Magnetic recording medium comprising a magnetic Co-Ni-Cr alloy thin layer
A magnetic recording medium for high density recording comprising a non-magnetic substrate, a Cr undercoat and a magnetic Ni-Cr-Co alloy thin layer formed on the substrate. The magnetic alloy thin...
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4751349 |
Zirconium as an adhesion material in a multi-layer metallic structure
A layer of zirconium can be used as an adhesion layer between a ceramic or polyimide substrate and subsequently applied metallic layers. Following the zirconium layer, copper can be deposited...
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4740430 |
Magneto-optic memory
Certain magnetic alloys are useful for a variety of applications including for magneto-optic memory storage media (optical disks). These magnetic alloys are difficult to protect against composition...
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4698251 |
Magnetic recording medium and method of producing the same
A magnetic disk or like magnetic recording medium having a magnetic layer provided on a non-magnetic substrate by dry-process or wet-process plating means and allowing a head to write and read data...
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4686150 |
Electromagnetic radiation reflector structure and method for making same
An antenna reflector comprising a face skin of graphite fiber reinforced epoxy (GFRE) material is coated with a layer of chromium. The chromium is then coated with aluminum and a protective coating...
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4681818 |
Oxygen diffusion barrier coating
A method is disclosed for coating a titanium panel or foil with aluminum and amorphous silicon to provide an oxygen barrier abrogating oxidation of the substrate metal. The process is accomplished...
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4680612 |
Integrated semiconductor circuit including a tantalum silicide diffusion barrier
An integrated semiconductor circuit consisting of a silicon substrate having an impurity doped circuit therein, and a layer of silicon dioxide formed on the substrate and having a contact hole...
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4678716 |
Electromagnetic shielding
Aluminum silicon alloys are used as cores for highly conductive metal coated particles to be incorporated in resins for use as electromagnetic interference shielding. High temperature processing...
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4677032 |
Vertical magnetic recording media with multilayered magnetic film structure
A thin film metal alloy medium for vertical recording has a magnetic film structure of individual films, each film being made up of a non-magnetic layer and a magnetic layer. In a preferred...
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4654276 |
Magnetic recording medium with an underlayer and a cobalt-based magnetic layer
An improved cobalt-platinum (CoPt) thin film metal alloy media for horizontal magnetic recording has a coercivity substantially greater than prior CoPt thin film metal alloy media. A tungsten...
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4652499 |
Magnetic recording medium with a chromium alloy underlayer and a cobalt-based magnetic layer
An improved cobalt-platinum (CoPt) thin film metal alloy media for horizontal magnetic recording has a squareness greater than prior CoPt thin film metal alloy media. An underlayer of a...
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4622273 |
Recording medium for perpendicular magnetization
A magnetic recording medium for perpendicular magnetization includes a base of a nonmagnetic material, a first magnetic layer of a soft magnetic material on a surface of the base, a second magnetic...
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4612257 |
Electrical interconnection for semiconductor integrated circuits
A structure for an electrical interconnection suitable for a semiconductor integrated circuit is made by a process utilizing selective tungsten deposition at low pressure to form an intermediate...
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4608321 |
Ceramic and metal composite body
A zirconia-metal composite body comprises a zirconia ceramic part and a metallic part joined together, characterized in that irregularities are formed in the surface of the zirconia ceramic part...
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4602955 |
Composite material that can be used to make oxygen sensors
A composite material sensitive to weak variations of oxygen pressure at a low temperature, of the type containing microscopic particles of an ionic conductor of oxygen ions contained in a solid...
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4602956 |
Cermet composites, process for producing them and arc tube incorporating them
Composite cermets having a central core of a first cermet composition and one or more surrounding layers of different cermet compositions are formed by a multi-step pressing operation, followed by...
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4560446 |
Method of electroplating, electroplated coating and use of the coating
Transition metals of the groups IVB, VB and VIB or alloys thereof with Al are electrodeposited in a system of an electrolyte based on an aromatic hydrocarbon. The electrolyte is originally prepared...
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4528043 |
Surface oxide layer treatment
In Titanium casting the surface of the casting is usually contaminated with a brittle oxide layer which has to be removed. Physical or chemical machining reduces the dimensions of the casting and...
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4522890 |
Multilayer high attenuation shielding structure
A composite structure of thin films including alternating layers of relatively high conductivity metals and low conductivity metals to combine the effects of reflection and absorption and thereby...
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4511634 |
Solderable layer system
The invention refers to a corrosion-proof solderable system of layers which is applied to a support and is made of a solderable layer and a corrosion-protection layer covering the solderable layer...
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4478915 |
Corrosion resistant shim for electrically joining incompatible materials
Galvanically incompatible materials are isolated from each other to prevent galvanic corrosion while providing for electrical conductivity therebetween. A two-sided shim is interposed between the...
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4467016 |
Aluminized chromized steel
Low alloy steel tubing is decarburized, chromized and then aluminized with or without masking at the sites at which the tubing is to be welded in place, to greatly increase resistance of the tubing...
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4448853 |
Layered active brazing material and method for producing it
Layered active brazing material in the form of two microcrystalline or amorphous foils applied to both sides of a ductile metal ribbon acting as a carrier. The foils consist of an alloy containing...
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4430387 |
Base plate for magnetic recording disc
A base plate for magnetic recording disc is produced by coating thin metal layers containing no impurities for forming defects by an anodizing treatment on one or both sides of a discoid substrate...
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4415635 |
Electric brush
A multifiber electrical brush formed of an electrically conductive matrix material having plural electrically conducting fiber wires embedded therein and extending therefrom, wherein the fiber...
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4385943 |
Corrosion-resistant uranium
The present invention is directed to the protecting of uranium and uranium alloy articles from corrosion by providing the surfaces of the articles with a layer of an ion-plated metal selected from...
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4382977 |
Method of producing smooth metallic layers on a substrate
Smooth layers of a metal are produced on a glass substrate where a large ferential expansion coefficient of the metal relative to the substrate produces very large stresses in the metal when the...
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4371589 |
Process for depositing protective coating and articles produced
An article of improved wear characteristics and composed of a relatively low wear resistant base metal coated by a particulate refractory metal having a melting point of at least 1490° C....
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4350719 |
Diffusion coating and products therefrom
Ferrous metal or titanium or aluminum is coated with a mixture of phosphoric acid, chromic acid and magnesium salts of these acids, as well as with aluminum flakes, or coated with a mixture of...
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4338997 |
Heat exchanger with bilayered metal end container for anticorrosive addition
A membrane for the end surface of a container for a corrosion inhibitor for engine coolant where the membrane is exposed to the coolant and corrodes when the corrosiveness of the coolant increases...
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4294890 |
Method for preventing reflection
This invention provides a method for preventing reflection. For this purpose and for decreasing the reflecting power of the surface of a light absorbing body of a metal or semi-metal material, the...
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4289834 |
Dense dry etched multi-level metallurgy with non-overlapped vias
A double level metal interconnection structure and process for making same are disclosed, wherein an etch-stop layer is formed on the first metal layer to prevent over-etching thereof when forming...
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4254189 |
Disc having substrate, intermediate layer and magnetically sensitive layer wherein intermediate layer has melting point less than annealing temperature of substrate but higher than processing temperature of magnetically sensitive layer
A structure and method for manufacturing said structure are disclosed for producing a surface of improved smoothness. The result is achieved by applying to the substrate a layer of low melting...
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4241147 |
Diffusion aluminized age-hardenable stainless steel
Roughening effect of low-temperature diffusion aluminizing of age-hardenable stainless steels, is offset by applying a nickel or cobalt plating not over 0.1 mil thick before the aluminizing.
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4241356 |
Recording medium for thermographic recording of data items
To improve the corrosion resistance of a metallic layer which is being burned off by electrodes, and decrease the contact pressure of the electrodes by eliminating metallic residues upon an...
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