Class 148/311 - Cobalt containing

Subclass of Class 148 - Metal treatment
Definition: Stock material which additionally contains cobalt.
No. of patents: 138
Last issue date: 05/15/2012

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Number	Title	Issue Date
8177923	Nano-crystalline, magnetic alloy, its production method, alloy ribbon and magnetic part A magnetic alloy having a composition represented by the general formula of Fe100-x-yCuxBy (atomic %), wherein x and y are numbers meeting the conditions of 0.1≦x≦3, and 10≦y≦20, or the general formula of Fe100-x-y-z	05/15/2012
8029627	Corrosion resistant magnetic component for a fuel injection valve A magnetic component for a magnetically actuated fuel injection device is formed of a corrosion resistant soft magnetic alloy consisting essentially of, in weight percent, 9%	10/04/2011
7942985	Alloy for soft magnetic layer in perpendicular magnetic recording medium A soft magnetic alloy for perpendicular magnetic recording medium excellent in saturation magnetic flux density, amorphousness and atmospheric corrosion resistance. The alloy is an Fe—Co based alloy and comprises Fe in an amount satisfying 0.25 to 0.65 of Fe/(Fe+C...	05/17/2011
7909945	Soft magnetic iron-cobalt-based alloy and method for its production Disclosed are soft magnetic alloys that consist essentially of 10% by weight ≦Co≦22% by weight, 0% by weight ≦V≦4% by weight, 1.5% by weight ≦Cr≦5% by weight, 1% by weight ≦Mn≦2% by weight, 0% by weight ≦Mo≦1% by weight, 0.5% by weight ≦Si≦1....	03/22/2011
7905965	Method for making soft magnetic material having fine grain structure A method of making a soft magnetic material with fine grain structure is provided. The method includes the steps of providing a soft magnetic starting material; heating the soft magnetic starting material to a temperature at which the material has a microstructure c...	03/15/2011
7819990	Iron-cobalt alloy, in particular for the moving core of electromagnetic actuators An iron-cobalt alloy containing in weight percentages: 10 to 22% of Co; traces to 2.5% of Si; traces to 2% of Al; 0.1 to 1% of Mn; traces to 0.0100% of C, a total of O, N and S content ranging between traces of 0.0070%; a total of Si, Al, Cr, Mo, V, Mn content rangi...	10/26/2010
7540927	Soft magnetic steels excellent in cold forgeability, machinability and magnetic properties, and soft magnetic steel parts excellent in magnetic properties A soft magnetic steel has, on the mass basis, a carbon content of 0.0015% to 0.02%, a manganese content of 0.15% to 0.5%, and a sulfur content of 0.015% to 0.1%, has a ratio Mn/S of 5.7 or more, and contains a single-phase ferrite microstructure as its metallographi...	06/02/2009
RE40524	Magnet powder-resin compound particles, method for producing such compound particles and resin-bonded rare earth magnets formed therefrom The magnet powder-resin compound particles substantially composed of rare earth magnet powder and a binder resin are in such a round shape that a ratio of the longitudinal size a to the transverse size b (a/b) is more than 1.00 and 3 or less, and that an average par...	09/30/2008
7357980	Nonmagnetic powder comprising acicular iron and having specific porosity for a magnetic recording medium, method of manufacturing same, and magnetic recording medium using same A nonmagnetic powder, used for the nonmagnetic layer of a coated type magnetic recording medium having a multilayer structure, has good dispersibility in the binder in which it is dispersed to prepare a coating material that is applied to the nonmagnetic layer. The ...	04/15/2008
7288333	Magnetic film and thin film magnetic head using this magnetic film A soft magnetic film of the present invention is a plated film composed of Co and Fe, and columnar crystals extending in the film thickness direction are provided. In the present invention, columnar crystals extending in the film thickness direction are provided so ...	10/30/2007
7267757	Magnetic head utilizing a CoNiFe alloy with 60-80 weight percent Fe and method for production therefor At least one of lower and upper magnetic cores is composed of magnetic films each of which contains two or more elements of Co, Ni, and Fe, which are formed by electroplating in a plating bath with pH 2 or less, and which have a saturation magnetic flux density of 2...	09/11/2007
7195680	Soft magnetic alloy for clock-making The invention relates to a soft magnetic alloy with the following composition in wt. %: 28%≦Ni≦34%, 0%≦Co≦4%, 0%≦Cu≦4%, 1%≦Cr, 0%≦Mo≦8%, 0%≦Nb≦1%, 0%≦Mn≦2%, 0%≦V≦5%, 0%≦W≦5%, 0%≦Si≦4%, 0%≦Al≦4%, 0%≦C≦0.4%, optionally one...	03/27/2007
7192491	Increased damping of magnetization in magnetic materials In order to dampen magnetization changes in magnetic devices, such as magnetic tunnel junctions (MTJ) used in high speed Magnetic Random Access Memory (MRAM), a transition metal selected from the 4d transition metals and 5d transition met...	03/20/2007
7192662	Ultra high saturation moment soft magnetic thin film A plated magnetic thin film of high saturation magnetization and low coercivity having the general form Co100-a-bFeaMb, where M can be Mo, Cr, W, Ni or Rh, which is suitable for use in magnetic recording heads that write on narrow tr...	03/20/2007
7177117	Magnetically soft, high saturation magnetization laminates of iron-cobalt-nitrogen and iron-nickel for magnetic head pole layers A magnetic head comprising a first layer containing NiFe having a concentration of iron that is at least thirty percent and not more than seventy percent; a second layer that adjoins the first layer and contains FeCoN having a concentration of iron that is greater t...	02/13/2007
7141127	Low core loss magnetic alloy with high saturation magnetic flux density and magnetic parts made of same A low core loss magnetic alloy with a high saturation magnetic flux density, which has a composition represented by the general formula: (Fel-aCoa)100-y-cM′yX′c(atomic %) where M′ repre...	11/28/2006
7135103	Preparation of soft magnetic thin film A soft magnetic thin film of CoFe alloy having a high Br and low Hc is prepared by furnishing a plating tank including cathode and anode compartments which are separated by a diaphragm or salt bridge so as to permit charge transfer, but inhibit penetration of Fe ion...	11/14/2006
7128986	Nanoclustered magnetic materials for high moment write pole applications The present invention includes magnetic write elements with portions formed a nanophase high magnetic moment material to enable further increases in areal density in magnetic recording. The nanophase deposited high magnetic moment material comprises coated nanoclust...	10/31/2006
7128790	Iron-cobalt alloy, in particular for electromagnetic actuator mobile core and method for making same The invention concerns an iron-cobalt alloy, characterised in that it comprises in weight percentages: 10 to 22% of Co; traces to 2.5% of Si; traces to 2% of Al; 0.1 to 1% of Mn; traces to 0.0100% of C; a total of O, N and S content ranging between traces and 0.0070...	10/31/2006
7101633	Electroplated magnetic thin film, method of manufacturing the same, electroplating bath and thin film magnetic head An electroplated magnetic thin film consisting of an electroplated film of Fe—Co alloy containing Fe by an amount of 52–86 wt % and having a highly packed fine crystal grain structure, a flat and glossy surface, a high saturation magnetic flux density not less t...	09/05/2006
7074281	Magnetic powder for magnetic recording A magnetic powder for magnetic recording is provided that has improved properties suitable for a magnetic recording medium used with a high-sensitivity read head utilizing an MR device. The magnetic powder is composed of iron-base acicular particles containing Co, A...	07/11/2006
7060350	COMPOSITE MAGNETIC MATERIAL AND MAGNETIC MOLDING MATERIAL, MAGNETIC POWDER COMPRESSION MOLDING MATERIAL, AND MAGNETIC PAINT USING THE COMPOSITE MAGNETIC MATERIAL, COMPOSITE DIELECTRIC MATERIAL AND MOLDING MATERIAL, POWDER COMPRESSION MOLDING MATERIAL, PAINT, PREPREG, AND SUBSTRATE USING THE COMPOSITE DIELECTRIC MATERIAL, AND ELECTRONIC PART A composite magnetic material including a resin and generally spherical magnetic metal particles of at least one type dispersed in the resin and consisting essentially of single crystal grains, the metal particles having a mean particle size of 0.1 to 10 μm and eac...	06/13/2006
7048809	Magnetic implement having a linear BH loop Magnetic powder having a large coercivity, Hc, is consolidated with a non-magnetic binder to form a magnetic implement having desired dimension and shape. The magnetic implement exhibits a linear B-H loop and low magnetic loss. It is capable of operating ...	05/23/2006
6946097	High-strength high-temperature creep-resistant iron-cobalt alloys for soft magnetic applications A high strength and creep resistant soft magnetic Fe—Co alloy includes, in weight %, Fe and Co such that the difference between the Fe and Co is at least 2%, at least 35% Co, and 2.5%≦(V+Mo+Nb), wherein 0.4%≦Mo and/or 0.4%≦Nb. This alloy can further include ...	09/20/2005
6942741	Iron alloy strip for voice coil motor magnetic circuits An iron alloy strip having a gage of 0.1 to 5 mm and a magnetic field strength variation within the strip of 0 to 10 Hz, made of an iron alloy consisting essentially of, in % by weight, 0.0001-0.02% of C, 0.0001-5% of Si, 0.001-0.2% of Mn, 0.0001-0.05% of P, 0.0001-...	09/13/2005
6841271	Ferromagnetic iron alloy powder for magnetic recording medium and method of producing the same A ferromagnetic iron alloy powder for a magnetic recording medium is composed of acicular iron-base particles of an average major axis length (X) of not less than 20 nm and not greater than 80 nm and have oxygen content of not less than 15 wt % and coercive force (H...	01/11/2005
6830635	Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same The present invention relates to spindle-shaped goethite particles having an average major axial diameter of 0.05 to 0.18 μm, spindle-shaped hematite particles having an average major axial diameter of 0.05 to 0.17 μm, spindle-shaped magnetic metal particles conta...	12/14/2004
6824625	Magnetostriction control alloy sheet, a part of a braun tube, and a manufacturing method for a magnetostriction control alloy sheet The invention relates to a magnetostriction control alloy sheet advantageously used as a high resolution shadow mask having a low coefficient of thermal expansion, superior magnetic properties and a high Young's modulus after a blackening process, a manufacturing pr...	11/30/2004
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
6783608	Secondary agglomerates of magnetic metal particles for magnetic recording and process for producing the same Secondary agglomerates of magnetic metal particles for magnetic recording, have a sodium content of not more than 20 ppm and a calcium content of not more than 40 ppm, an average particle diameter of 300 to 800 μm and an upper limit of particle diameters of 2,000 �...	08/31/2004
6689490	Display element for employment in a magnetic anti-theft security system Display Element for Employment 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, 1.5 to 4.5 weight % Al, 0.5 to 3 weight % Ti a...	02/10/2004
6685882	Iron-cobalt-vanadium alloy A high strength soft magnetic Fe-Co-V alloy, comprising, in weight %, (Fe+Co)ࣙ88%, (Fe-Co)ࣙ2% or (Co-Fe)ࣙ2%, at least 30% Co, and satisfying one of the following three conditions: (1) 0.05 to 4% Mo and 1.5 to 10% V, or (2) (Fe-Co) or (C0-Fe)ࣘ13 an...	02/03/2004
6676772	Magnetic material The magnetic material for magnetic refrigeration of the present invention is characterized by exhibiting, in a certain temperature region, preferably, only in part of a temperature region from 200 K to 350 K, an inflection point at which a second order di...	01/13/2004
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
6627313	Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same Spindle-shaped magnetic metal particles containing iron as a main component of the present invention, have an average major axis diameter (L) of 0.05 to 0.15 μm; a coercive force of 111.4 to 143.2 kA/m; a Co content of from 0.5 to less than 5 atm % based...	09/30/2003
6599375	Composite magnetic body, and electromagnetic interference suppressing body using the same A composite magnetic body 1, comprising a soft magnetic powder (2) and a binding agent (3), in which the specific surface area of the soft magnetic powder (2) is 0.1-3 m2 /g. The surface state of the soft magnetic powder contained in the compos...	07/29/2003
6547889	Iron-based alloy sheet for magnetic yokes in hard-disk voice-coil motor The invention discloses an iron-based alloy sheet as a material for preparing a magnetic yoke member to build up a magnetic circuit in a hard-disk voice-coil motor as well as a magnetic yoke member made from such a sheet material. With an object to improv...	04/15/2003
6521055	Method of stress inducing transformation of austenite stainless steel and method of producing composite magnetic members A method of stress inducing transformation from the austenite phase to the martensite phase by conducting cold working on material of austenite stainless steel in the temperature range from the point Ms to the point Md. The above cold working is a biaxial...	02/18/2003
6514358	Stretching of magnetic materials to increase pass-through-flux (PTF) Magnetic materials for use in sputtering targets are hot rolled and stretched at ambient temperature or at a temperature not exceeding 1400° F. The magnetic material can be pure Co, pure Ni, or Co based alloys....	02/04/2003
6423386	Magnet powder-resin compound particles, method for producing such compound particles and resin-bonded rare earth magnets formed therefrom The magnet powder-resin compound particles substantially composed of rare earth magnet powder and a binder resin are in such a round shape that a ratio of the longitudinal size a to the transverse size b (a/b) is more than 1.00 and 3 or less, and that an ...	07/23/2002

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Class 148/311 - Cobalt containing