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| Number | Title | Issue Date |
| 7313055 | Magnetic domain wall displacement type magneto-optical recording medium Provided is a magneto-optical recording medium capable of accurately reproducing a signal of a recording density exceeding a resolution of an optical system without making a constitution thereof complicated. The magnetic domain wall displacement type magneto-optical... | 12/25/2007 |
| 7259331 | Lightweight armor wires for electrical cables Disclosed are electric cables with improved armor wires used with wellbore devices to analyze geologic formations adjacent a wellbore. The cables include at least one insulated conductor, and one or more armor wires surrounding the insulated conductor. The armor wir... | 08/21/2007 |
| 7144040 | Bi-metallic structural component for vehicle frame assembly A vehicle body and frame assembly includes a pair of longitudinally extending side rails having a plurality of transverse cross members extending therebetween. The cross member is a multiple piece structure, including a central portion having a pair of end portions ... | 12/05/2006 |
| 6949302 | Magneto-optical recording medium having a reproducing layer composed to control movement of domain walls therein A magneto-optical recording medium includes at least a first magnetic layer, a second magnetic layer and a third magnetic layer which are layered in this order, the first magnetic layer being formed of a perpendicularly magnetized film having a relatively small wall... | 09/27/2005 |
| 6899966 | Composite surface on a stainless steel matrix A composite surface having a thickness from 10 to 5,000 microns comprising a spinel of the formula MnxCr3−xO4 wherein x is from 0.5 to 2 and oxides of Mn, Si selected from the group consisting of MnO, MnSiO3, Mn2 | 05/31/2005 |
| 6803118 | Marker for use in a magnetic anti-theft security system A semi-hard magnetic alloy for activation strips in magnetic anti-theft security systems is disclosed that contains 8 to 25 weight % Ni, 1.0 to 4.5 weight % Al, 0.5 to 3 weight % Ti and the balance iron. ... | 10/12/2004 |
| 6777106 | Metal blocks suitable for machining applications The present invention is directed to a metal block suitable for machining, the metal block comprising at least two superimposed metal plates, each having a thickness of at least 12.5 mm, wherein the yield strength of the block is at least 75% of the yield strength o... | 08/17/2004 |
| 6686061 | Steel plate having TiN+CuS precipitates for welded structures, method for manufacturing same and welded structure made therefrom A weldable structural steel product having fine complex precipitates of TiN and CuS is provided which contains, in terms of percent by weight, 0.03 to 0.17%C, 0.01 to 0.05% Si, 0.4 to 2.0% Mn, 0.005 to 0.2% Ti, 0.0005 to 0.1% Al, 0.008 to 0.030% N, 0.0003... | 02/03/2004 |
| 6663981 | Marker for use in a magnetic anti-theft security system and method for marking the marker A marker for use in a magnetic anti-theft security system has an amorphous ferromagnetic alloy alarm strip and at least one activation strip. The semi-hard magnetic alloy for the activation strip contains 8 to 25 weight % Ni, 1.5 to 4.5 weight % Al, 0.5 t... | 12/16/2003 |
| 6623869 | Metal material having good resistance to metal dusting A metallic material of the invention which comprises, in mass %, C: not more than 0.2%, Si: 0.01-4%, Mn: 0.05-2%, P: not more than 0.04%, S: not more than 0.015%, Cr: 10-35%, Ni: 30-78%, Al: not less than 0.005% but less than 4.5%, N: 0.005-0.2%, and one ... | 09/23/2003 |
| 6609830 | Bearing having multilayer overlay and method of manufacture A multilayer engine bearing (10) includes a steel backing (12) having a liner (14) of bearing metal of either copper-lead or aluminum alloys formed on the backing (12). A multilayer overplate (24, 124) is formed on the base lining member (16) and includes... | 08/26/2003 |
| 6607840 | Redundantly constrained laminar structure as weak-link mechanisms Redundantly constrained laminar structures as weak-link mechanisms and a novel method for manufacturing the redundantly constrained laminar structures as weak-link mechanisms are provided. The method for producing the redundantly constrained laminar struc... | 08/19/2003 |
| 6420054 | Masking device for a color cathode-ray display tube with a flat screen, of the type comprising a support frame for a tensioned shadowmask, and tensioned shadowmask Masking device for a color cathode-ray display tube with a flat scree, of the type comprising a support frame for a tensioned shadowmask and a tensioned shadowmask mounted on the support frame so as to undergo tensioning at room temperature, in which devi... | 07/16/2002 |
| 6419806 | Insert target assembly and method of making same Method of forming a two-piece hollow cathode sputter target assembly and the assembly formed thereby. The sputter target assembly includes an outer shell having a substantially cylindrical side wall and is composed of a relatively low purity metallic mate... | 07/16/2002 |
| 6416879 | Fe-based amorphous alloy thin strip and core produced using the same The object of the present invention is to provide an Fe-based amorphous alloy thin strip capable of realizing an excellent soft magnetic property for use in alternating current applications while keeping a high magnetic flux density even in a composition ... | 07/09/2002 |
| 6391479 | Coating interlayer for improved compatibility between HR-120 and aluminum-containing oxidation resistant metallic coatings A coated metal component made of an alloy containing an intentional addition of nitrogen, comprising an oxidation-resistant coating layer and an intermediate layer disposed between the oxidation-resistant coating layer and the component. The intermediate ... | 05/21/2002 |
| 6387535 | Sheet having a multilayer structure Sheet having a multilayer structure, called a sandwich sheet, composed of two rolled metal skins which are joined together by a core, in which sheet the core contains a stainless steel wool.... | 05/14/2002 |
| 6379487 | Component of printed circuit board A method of forming a laminate used in the manufacture of printed circuit boards, comprising the steps of applying a layer of chromium having a thickness from about 30 grams per square meter to about 160 grams per square meter to each side of a steel subs... | 04/30/2002 |
| 6379014 | Graded anti-reflective coatings for photolithography A graded anti-reflective coating (ARC) with one or more layers has a bottom layer that is highly absorbing at the lithographic wavelength, and one or more layers between the substrate and the resist layer having inhomogeneous optical constants. The refrac... | 04/30/2002 |
| 6360936 | Method of manufacturing a composite sheet steel, especially for the protection of vehicles against shots In a method of manufacturing composite sheet steel of maraging steel, wherein the composite sheet steel comprises an outer layer and an inner layer, wherein the outer layer is harder than the inner layer and the inner layer is more tenacious than the oute... | 03/26/2002 |
| 6350533 | Welded sheet metal component A sheet metal component, obtained by press-forming a one-piece metal sheet comprised of two metal sheets into a desired shape, has an expanding portion having an external appearance varying in dependence on a weld state of a weld portion of the one-piece ... | 02/26/2002 |
| 6309762 | Replaceable wear resistant surfaces An article of manufacture having a wear-resistant cylindrical surface is made up of a metallurgically tough base steel with a substantially cylindrical surface, a thin, cylindrical metal sleeve mated to and affixed to the cylindrical surface of the base s... | 10/30/2001 |
| 6284388 | Steel with electrically insulating hematite layer The present invention is directed to a method of forming an electrically insulating layer on a steel article such as a stack of electrical steel laminations or an individual, unstacked electrical steel lamination, comprising exposing the article to an oxi... | 09/04/2001 |
| 6255005 | Composite magnetic member, method of producing ferromagnetic portion of same, and method of forming non-magnetic portion of same Provided is a composite magnetic member made of a single material combining a ferromagnetic portion and a non-magnetic portion in which the ferromagnetic portion has better soft magnetism than conventional members and the non-magnetic portion has the same... | 07/03/2001 |
| 6245441 | Composite magnetic member excellent in corrosion resistance and method of producing the same This is a composite magnetic member excellent in corrosion resistance having a chemical composition consisting essentially, by weight, of 0.30 to 0.80% C, more than 16.0% but not more than 25.0% Cr, 0.1 to 4.0% Ni, 0.1 to 0.06% N, at least one kind not mo... | 06/12/2001 |
| 6221501 | Steel with electrically insulating hematite layer The present invention is directed to a method of forming an electrically insulating layer on a steel article such as a stack of electrical steel laminations or an individual, unstacked electrical steel lamination, comprising exposing the article to an oxi... | 04/24/2001 |
| 6197440 | Magnetic recording medium A magnetic recording medium comprises a stack of four magnetic layers. The first magnetic layer 11 is a layer for reproducing information recorded on the medium. The third magnetic layer 13 is a storage layer for storing information recorded on the medium... | 03/06/2001 |
| 6177203 | Simultaneous diffusion bonding of an array of like parts Diffusion bonding techniques are extended to the simultaneous bonding of an array of multilevel piece parts. The problems of uneven expansion and contraction of different levels of different piece parts in the array are obviated by positioning each level ... | 01/23/2001 |
| 6150038 | Magneto-optical recording medium A reproducing layer, an intermediate layer, and a recording layer are successively stacked. The reproducing layer is made of a perpendicularly magnetized film whose domain wall coercivity is relatively smaller and whose domain wall mobility is relatively ... | 11/21/2000 |
| 6127045 | Magnetic tunnel junction device with optimized ferromagnetic layer A magnetic tunnel junction (MTJ) device is usable as a magnetic field sensor in magnetic disk drives or as a memory cell in a magnetic random access (MRAM) array. The MTJ device has a "pinned" ferromagnetic layer whose magnetization is oriented in the pla... | 10/03/2000 |
| 6117564 | Weld repair process and article repaired thereby A method for weld repairing an article formed of a low-alloy steel, such as a steam turbine component. The method generally includes the step of depositing a first weld repair (14) on a surface of the article, during which a hard heat-affected zone (HAZ) ... | 09/12/2000 |
| 5968672 | Weldment produced by beam welding Upper and lower shell members of aluminum-plated steel panels have respective flanges overlapping each other and welded to each other by a laser beam, thereby forming a fuel tank. One of the flanges has a stepped region spaced from the other of the flange... | 10/19/1999 |
| 5939186 | Magnetic head A magnetic head having a laminated magnetic film in which crystal orientation of precipitated small crystal particles can be controlled and the soft magnetic characteristic in the thickness of the laminated magnetic film can easily be controlled. The magn... | 08/17/1999 |
| 5919578 | Friction welded product and method for manufacturing thereof A friction welded product for rock drilling and method for manufacturing thereof, the product including a first component (25) and a second component (22) of parent material joined by a friction weld (27). The components have a central inner passage (26) ... | 07/06/1999 |
| 5538799 | Knitting parts of knitting machine In knitting parts of a knitting machine(a guide, needle tongue and the like of a warp knitting machine), an anti-corrosion layer 12 formed by wet plating, an intermediate layer 14 formed by dry plating and a hard carbon film 16 formed by dry plating are s... | 07/23/1996 |
| 5527605 | Magnetooptic layer and a process for its fabrication A magnetooptic layer made from rare-earth metals and transition metals exhibits a gradient in the alloy composition over the layer depth, and has a coercive field strength of more than 8 kOe in the temperature range of ƊT=100° C. around the compensation... | 06/18/1996 |
| 5449418 | Method of formation of magnetostrictive layer and strain sensor using same A strain sensor for detecting strain in automobiles, robots, and the like includes a magnetostrictive layer. The magnetostrictive layer is formed by irradiating an alloy layer with a high energy density beam (such as a laser) to form a magnetostrictive la... | 09/12/1995 |
| 5067992 | Drilling of steel sheet A steel sheet (10) having a stress-relief annealed, structure with a plurality of magnetic domains (12) is made by drilling a plurality of closely spaced, small holes (15) through the entire thickness of the steel sheet, where the drilling is effective to... | 11/26/1991 |
| 4963199 | Drilling of steel sheet A steel sheet (10) having a stress-relief annealed, structure with a plurality of magnetic domains (12) is made by drilling a plurality of closely spaced, small holes (15) through the entire thickness of the steel sheet, where the drilling is effective to... | 10/16/1990 |
| 4921764 | Polyester film coated with metal adhesion promoting coating and having superior winding performance An aqueous coating composition is provided for thermoplastic films comprising (i) from 1 to 10 weight percent based upon the total weight of the coating composition, of a sulfonated copolyester consisting essentially of the polyester condensation product ... | 05/01/1990 |
