Patents
Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146)
12/2003
12/10/2003CN1461020A Method for preparing magnetic nano microparticles with biological compatibility
12/10/2003CN1130676C Magnetomechanical electronic article surveillance marker with low-coercivity bias element
12/09/2003US6661328 Composite magnetic body, and magnetic element and method of manufacturing the same
12/09/2003US6660381 Partial coverage metal nanoshells and method of making same
12/09/2003US6660375 Gas phase reaction of tetracyanoetheylene or 7,7,8,8-tetra-cyanoquinodimethane with such as vanadium hexacarbonyl or bis(benzene)vanalium; air stable; applicable to wide variety of rigid or flexible substrates
12/09/2003US6660225 Method to form multi-material components
12/09/2003US6660189 Miffing sintered core of manganese zinc ferrite for recycling, adjusting powder composition to 44.0-49.8% iron oxide, 4.0-26.5% zinc oxide, 1.0-3.0 % cobalt oxide, 0.02-1.00% manganese oxide, rest manganese monoxide, pressing, sintering
12/09/2003US6660179 Sintered body and high-frequency circuit component
12/09/2003US6660178 A magnetic powder having an alloy containing a rare-earth element and a transition metal, wherein the magnetic powder includes particles each of which is formed with a number of ridges or recesses on atleast a part of surface
12/09/2003US6658724 Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
12/04/2003WO2003100799A1 Hybrid electronic device comprising a low-temperature-cofired-ceramic ltcc-tape
12/04/2003WO2003100330A1 Magnetic condensing system for cryogenic engines
12/04/2003US20030224366 Spherical glass surface composed of magnetic particles for the purification of biological materials; immunoassay; affinity chromatography
12/04/2003US20030224214 Magneto-optic polymer nanocomposites
12/04/2003US20030224170 Magnetic carbon nanotube
12/04/2003US20030224154 Low temperature fired hexagonal ferrite containing strontium oxide and oxide of boron, copper, vanadium and/or bismuth; multilayer inductors, laminated ceramics; high frequency circuits
12/04/2003US20030221750 Method of making active magnetic refrigerant materials based on Gd-Si-Ge alloys
12/04/2003US20030221749 Coercivity not less than about 1000 Oersted are prepared in a single step procedure. A molten mixture of a desired composition having a relatively high boron content is cooled at a rate slower than about 105 degrees Celsius per second.
12/04/2003DE10221793C1 Nichtkornorientiertes Elektroband oder -blech und Verfahren zu seiner Herstellung A non-oriented electrical steel strip or steel sheet and process for its preparation
12/04/2003CA2486428A1 Magnetic condensing system for cryogenic engines
12/03/2003EP1367340A2 Magnetic condensing system for cryogenic engines
12/03/2003EP1367140A1 Grain-oriented electrical steel sheet excellent in magnetic properties and method for producing the same
12/03/2003EP1043099B1 Sm-Fe-N ALLOY POWDER AND PROCESS FOR THE PRODUCTION THEREROF
12/03/2003CN1460270A Rare earth magnet and method for production thereof
12/03/2003CN1460040A Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using this apparatus
12/03/2003CN1459511A Giant stress impedance effect quick quenching thin belt material and its preparation method
12/03/2003CN1459433A Preparation method of composite magnetic particle
12/03/2003CN1129677C Non oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability
12/02/2003US6656587 Composite particles
12/02/2003US6656419 Nickel 30-85 wt %, carbon < 0.015 wt %, Silicon < 1.0 wt %, Manganese < 1.0 wt %, phosphorus < 0.01 wt %, sulfur < 0.005 wt %, oxygen < 0.0060 wt %, aluminum < 0.02 wt % remainder iron; casting, homogenizing heat treatment and hot rolling
12/02/2003US6656416 Impactor and vibration mechanism are separated to reduce whirling of rare-earth alloy powder; crack resistance
11/2003
11/27/2003WO2003097884A1 Non-grain oriented electrical steel strip or electrical steel sheet and method for producing the same
11/27/2003US20030219906 Formation of combinatorial arrays of materials using solution-based methodologies
11/27/2003US20030218852 Magnetic condensing system for cryogenic engines
11/27/2003US20030217788 Injecting melt alloy from nozzles; collision with surfaces; gas discharging grooves; cooling, solidification
11/27/2003US20030217620 Process for the production of neodymium-iron-boron permanent magnet alloy powder
11/27/2003DE10220282C1 Verfahren zum Herstellen von kaltgewalztem Stahlband mit Si-Gehalten von mindestens 3,2 Gew.-% für elektromagnetische Anwendungen A method of producing cold rolled steel strip having Si contents of at least 3.2 wt .-% for electromagnetic applications
11/26/2003EP1365425A1 Permanent magnet and method for preparation thereof
11/26/2003EP1365424A1 Permanent magnet and method for preparation thereof
11/26/2003EP1365423A1 Permanent magnet and method for preparation thereof
11/26/2003EP1365422A1 Method for preparation of permanent magnet
11/26/2003EP1364927A1 Magnetic oxide sinter and high-frequency circuit part employing the same
11/26/2003EP0866475B1 Composite magnetic material and electromagnetic interference suppressing material
11/26/2003CN1459115A Magnetorheological grease composition
11/26/2003CN1459025A Quality testing method and prodution method of rare earth magnet alloy ingot, the rare earth magnet alloy ingot, and rare earth magnet alloy
11/26/2003CN1458984A Grain-oriented magnetic steel sheet having no under coat fim comprising forsterite as primary component and having good magnetic characteristics and its producing method
11/26/2003CN1458118A Process for preparing nano permanent magnetic ferrite powder
11/26/2003CN1129147C Production method and production device for anisotropic magnetic powder
11/25/2003US6653776 Discrete magnets in dielectric forming metal/ceramic laminate and process thereof
11/25/2003US6652967 Nano-dispersed powders and methods for their manufacture
11/25/2003US6652768 For use as a core for an inductor, transformer, or coil for radios, televisions, communication devices, office automation equipment, switching power sources, and other electronic apparatus or magnetic heads for video or disk drives
11/25/2003US6652767 For use in sensors, measuring instruments, motors, automobile parts, electronic parts of an electromagnetic sound generator
11/20/2003WO2003096358A1 Method and apparatus for making ferrite material products and products produced thereby
11/20/2003WO2003095683A1 Cold-rolled steel strip having a silicon content of at least 3.2 wt. % and used for electromagnetic purposes
11/20/2003WO2003095560A1 Curable silicone composition for the production of composite soft magnetic materials, and composite soft magnetic materials
11/20/2003US20030215663 With a sufficiently controlled reaction rate that the phosphate cement may be mixed in bulk and with suitable viscosity to be sprayed or used for mass pours
11/20/2003US20030215638 Reduced symmetry nanoparticles
11/20/2003US20030215351 Jewelry component alloy of platinum and cobalt with high hardness; magnetic properties enable components to either be attracted to or repelled by other components of different or like polarities.
11/20/2003US20030214793 Ceramic electronic component and method for making the same
11/20/2003US20030213534 Composed of alloy comprising iron, cobalt, aluminum, rare-earth elements; having irreversible susceptibility, high magnetic flux density, and excellent magnetizability and heat resistance
11/20/2003US20030213532 Method of manufacturing magnetic powder, magnetic powder and bonded magnets
11/19/2003CN1457497A Method of making sintered compact for rare earth magnet
11/19/2003CN1457370A Method for preparing sintered product, sintered product and magnetostriction material
11/19/2003CN1128455C Magnet powder, sintered magnet, bonded magnet, and magnetic recording medium
11/19/2003CN1128357C Fluorescent magnetic powder making technology for fault detection
11/19/2003CN1128301C Magneto-rheologic fluid damper
11/18/2003US6649413 Synthesis and screening combinatorial arrays of zeolites
11/18/2003US6649286 High-frequency characteristics, corrosion resistance
11/18/2003US6649124 Powder pressing apparatus and powder pressing method
11/18/2003US6648990 High- frequency magnetic properties used for members of countermeasure against noise such as zero phase reactors for large current and electromagnetic shielding materials, inverter transformers
11/18/2003US6648989 High strength; alloy containing iron, cobalt and rare earth element
11/18/2003US6648984 Preparing alloy powder for rare earth-iron-boron type magnets of specified particles sizes measured by light scattering using a Fraunhofer forward scattering; compacting the powder and sintering; controlled level of oxygen
11/13/2003US20030211360 Oxidation, nitriding metal, or alloy thereof; multilayer; variations in electrical resistance
11/13/2003US20030209842 Method for manufacturing rare earth magnet and powder compacting apparatus
11/13/2003US20030209820 Method and apparatus for making ferrite material products and products produced thereby
11/13/2003US20030209687 Durable magnetorheological fluid
11/13/2003US20030209438 Measuring particle positioning; analyzing variations in images; calibration
11/13/2003US20030209427 Method and apparatus for manufacturing colloidal rod particles
11/13/2003US20030209294 Rare earth metal, iron, boron powder; high temperature hydrogenation
11/13/2003US20030209287 Multilayer; iron core overcoated with iron oxide dielectric
11/12/2003EP1361585A1 Liquid reflective mirror shaped by magnetic field
11/12/2003EP1360704A1 Isotropic rare earth material of high intrinsic induction
11/12/2003EP1360340A1 Iron-cobalt-vanadium alloy
11/12/2003EP1360071A1 Magnetic substrates, composition and method for making the same
11/12/2003EP1114429B1 Current transformer with a direct current tolerance
11/12/2003CN1455938A Permanent magnet and method for preparation thereof
11/12/2003CN1455937A Method of making material alloy for iron-based rare earth magnet
11/12/2003CN1127792C Power system
11/11/2003US6645731 Detecting preferential cells in sample; obtain sample, mix with magnetic particles, incubate with label, analyze labeled cells
11/11/2003US6645626 Superparamagnetic nanostructured materials
11/11/2003US6645394 High frequency magnetic material ceramic composition and irreversible circuit component
11/11/2003US6645314 Amorphous alloys for magneto-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same
11/11/2003US6643913 Method of manufacturing a laminated ferrite chip inductor
11/06/2003WO2003092021A1 Flexible magnet and method for manufacturing motor using the same
11/06/2003US20030207144 Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber
11/06/2003US20030207112 A pigment with modified properties because of the powder size being below 100 nanometers. Blue, yellow and brown pigments are illustrated. Nanoscale coated, un-coated, whisker inorganic fillers are included. Stoichiometric and
11/06/2003US20030206091 Magnetic sticking sheet and method of producing same
11/06/2003US20030206090 Dust Core
11/06/2003US20030205967 Discrete magnets in dielectric forming metal/ceramic laminate and process thereof
11/06/2003US20030205353 Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber