Patents
Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146)
05/2000
05/18/2000WO2000027546A1 Substantially spherical magneto-plumbite ferrite particles and methods for producing and media employing the same
05/18/2000DE19949631A1 Composite absorber used for electromagnetic waves from electronic products consists of ferrite plates and upper absorbers joined to each other
05/18/2000DE19852152A1 Magnetische Teilchen, magnetische Dispersionen und Verfahren zu ihrer Herstellung Magnetic particles, magnetic dispersions and processes for their preparation
05/18/2000CA2360170A1 Bulk amorphous metal magnetic components
05/17/2000EP1001437A1 Fe-based soft magnetic alloy , magnetic core using the same, and method for making the same
05/17/2000CN1253658A Ultralow-iron-loss grain oriented silicon steel plate and process for producing same
05/17/2000CN1253364A High saturation magnetic flux density low iron loss ferrous soft magnetic alloy and magnetic core using same and manufacturing method
05/17/2000CN1052555C Plastics bound type Al-Ni-Co series, Nd-Fe-B series composite permanent-magnet material
05/17/2000CN1052513C Iron based noncrystallic alloy with good magnetic performance and anti-embrittlement performance
05/16/2000US6063719 Composites of magnesium ferrite materials combined with ferroelectric ceramic barium strontium titanium oxide; adjustable dielectric and magnetic properties
05/16/2000US6063511 Low cost thin film magnetodielectric material
05/16/2000US6063322 Method for manufacturing shaped bodies from hard ferrites
05/16/2000US6063303 Magnetic powder and magnetic molded article
05/16/2000US6063209 Magnetic core and method of manufacturing the same
05/11/2000WO2000026927A1 Magnetic particles, magnetic dispersions and methods for the production thereof
05/11/2000WO2000026926A1 Sm(Co, Fe, Cu, Zr, C) COMPOSITIONS AND METHODS OF PRODUCING SAME
05/11/2000WO2000017893A8 Magnetic materials and marking
05/11/2000DE19849781A1 Spritzgegossener weichmagnetischer Pulververbundwerkstoff und Verfahren zu seiner Herstellung An injection molded soft-magnetic powder composite material and process for its preparation
05/10/2000EP0999566A2 A method for decomposition and treatment of bond magnet
05/10/2000EP0998590A4 Ferromagnetic powder compositions formulated with thermoplastic materials and fluoric resins and compacted articles made from the same
05/10/2000EP0998590A1 Ferromagnetic powder compositions formulated with thermoplastic materials and fluoric resins and compacted articles made from the same
05/10/2000CN1252608A Ferrite magnetic material
05/09/2000US6059988 Mixture with aluminum and silicon oxide
05/06/2000CA2286828A1 Substantially spherical magneto-plumbite ferrite particles and methods for producing and media employing the same
05/04/2000WO2000025326A1 Injection-molded soft-magnetic powder composite material and method for producing the same
05/04/2000DE19837630C1 Verfahren zur Herstellung eines Metallpulvers mit niedriger Koerzitivfeldstärke A process for producing a metal powder with a low coercive force
05/03/2000EP0997918A1 Preparation of a magnetic layer
05/03/2000EP0997915A2 Flat-paticle iron powder, method for making the same and powder magnetic core using the same
05/03/2000EP0997499A1 Magnetic particles and process for producing the same
05/03/2000EP0996759A1 Amorphous magnetostrictive alloy with low cobalt content and method for annealing same
05/03/2000CN1252106A Ferromagnetic amorphous metallic alloy and annealing method
05/03/2000CN1052104C Fault current protective switch with energy storage circuit
05/02/2000US6057766 Iron-rich magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic
05/02/2000US6057649 Illumination unit, electrodeless low-pressure discharge lamp, and coil suitable for use therein
05/02/2000US6056890 Roasting, sintering
05/02/2000US6056889 Process for producing a magnetic fluid and composition therefor
05/02/2000US6056830 Hydrogenating and alloying rare earth element, iron, and boron powders; phase transformation; hydrogen desorption
04/2000
04/27/2000WO2000023192A1 Method and apparatus for recycling ferrofluid constituents used in a materials separation process
04/26/2000CN1251465A Method for localizing sensitive material to magnetic-field responser-solid-phase powder material, and damping device thereof
04/26/2000CN1251464A R-T-B series sintered permanent magnet
04/26/2000CN1051865C Production method for rare earth permanent magnet having excellent corrosion resistance
04/26/2000CN1051864C Rare earth permanent magnet having excellent corrosion resistance
04/25/2000US6054914 Multi-layer transformer having electrical connection in a magnetic core
04/25/2000US6054219 Process for forming insulating layers on soft magnetic powder composite core from magnetic particles
04/25/2000US6054210 Molded magnetic article
04/25/2000US6053989 Alloys of iron, chromium, vanadium, phosphorous, silicon, carbon and metals
04/19/2000EP0994493A2 R-T-B sintered permanent magnet
04/19/2000EP0994468A1 Polyanilines with electrical and mechanical properties and process for preparing them
04/19/2000CN1251203A Product with magnetic properties, method of its prepn. and magnet obtained from this product
04/18/2000US6052403 Inductor in a fusion tank
04/18/2000US6051324 Composite of ceramic-coated magnetic alloy particles
04/18/2000US6051156 Iron cobalt molybdenum, niobium, or vanadium alloy or an oxide magnetic body, such as gamma-iron oxide or cobalt titanium substituted barium ferrite; portable telephones
04/18/2000US6051077 Obtained by sintering in vacuum or in a non-oxidative gas a mixture of an acicular iron powder and an alloy powder containing iron, a rare earth element metal and boron
04/18/2000US6051047 Wherein ammonium hydroxide (concentrated ammonia water) and ammonium carbonate are used as the precipitant, and neodymium salts, ferrous salts and soluble boron compounds as the starting materials
04/13/2000WO2000021102A1 Capacitance-coupled high dielectric constant embedded capacitors
04/13/2000WO2000021101A2 Large value buried inductors in low temperature co-fired ceramic circuit boards
04/13/2000WO2000021045A2 Iron-rich magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic
04/13/2000CA2346041A1 Large value buried inductors in low temperature co-fired ceramic circuit boards
04/12/2000EP0992591A2 Grain-oriented electrical steel sheet and production method thereof
04/12/2000EP0992309A2 Process for hydrogen-pulverizing a rare earth metal-based magnetic material, and hydrogen-pulverizing case
04/12/2000EP0992281A2 The combinatorial synthesis of novel materials
04/12/2000CN1250542A Thin plate magnet having microcrystalline structure
04/12/2000CN1249972A Hydrogen damage technology and box for rare earth metal-base magnetic material
04/12/2000CA2286405A1 New polyanilines with electrical and magnetic properties and manufacturing process
04/11/2000US6048920 Iron sulfide in resins
04/11/2000US6048601 Soft magnetic alloy powder for electromagnetic and magnetic shield, and shielding members containing the same
04/11/2000US6048412 Spindle-shaped goethite particles, spindle-shaped hematite particles and spindle-shaped magnetic iron based alloy particles
04/11/2000CA2152633C Iron-nickel alloy having special soft magnetic properties
04/06/2000WO2000019456A1 Magnetic material based on iron, cobalt, rare earths and boron and magnet based on said material
04/06/2000WO2000019152A1 Reactive silencer for industrial air channels and its use
04/05/2000EP0991086A1 METHOD FOR PRODUCING R-Fe-B PERMANENT MAGNET, AND LUBRICATING AGENT AND RELEASE AGENT FOR USE IN SHAPING THE SAME
04/05/2000EP0991085A1 Corrosion-resisting permanent magnet and method for producing the same
04/05/2000EP0764053B1 Process and device for separating non-magnetic materials and objects by using ferrohydrodynamic fluid
04/05/2000CN1249845A Method of mfg. thin plate magnet having microcrystalline structure
04/05/2000CN1249520A Process for mfg. Fe-B-R based permanent magnet with corrosion-resisting film
04/04/2000US6045925 Encapsulated nanometer magnetic particles
04/04/2000US6045751 Method of manufacturing a permanent magnet on the basis of NdFeB
04/04/2000US6045671 Systems and methods for the combinatorial synthesis of novel materials
04/04/2000US6045629 35 to 60 % by weight of at least one rare-earth element (r) selected from the group consisting of neodymium, dysprosium and praseodymium, 1% by weight or less boron, and balance iron; specific volume fraction of r2fe17 phase; crushability
04/04/2000US6045627 Siliconizing a low silicon steel sheet in nonoxidizing gas and silicon tetrachloride(sicl4), sicl4-free heat treatment, cooling at given rate; grain boundaries, carbide precipitated on boundaries; high silicon steel sheet with good workability
04/04/2000US6045133 Sealing arrangement
03/2000
03/30/2000WO2000017897A1 Current transformer with a direct current tolerance
03/30/2000WO2000017894A1 Method for reusing permanent magnets
03/30/2000WO2000017893A2 Magnetic materials and marking
03/30/2000DE19842791A1 Casting process for preparing starting material for the production of hard magnets by powder metallurgy comprises pouring starting melt into a gap between counter-rotating rollers
03/30/2000CA2284139A1 Flat-particle iron powder, method for making the same and powder magnetic core using the same
03/29/2000CN1249008A Process for the inhibition control in the production of grain-oriented electrical sheets
03/29/2000CN1249007A Process for the inhibition control in the production of grain-oriented electrical sheets
03/28/2000US6042949 High strength steel powder, method for the production thereof and method for producing parts therefrom
03/23/2000WO2000016348A1 Resin ceramic compositions having magnetic properties
03/23/2000WO2000016346A1 Production method for semirigid magnetic material and semirigid material and magnetic marker using it
03/23/2000WO2000015545A1 Method for controlling the shape of synthesis particles and for producing materials and devices containing oriented anisotropic particles and nanostructures
03/23/2000CA2308204A1 Production method for semirigid magnetic material and semirigid material and magnetic marker using it
03/22/2000EP0986811A1 Magnetic recording media incorporating surface treated magnetic pigment
03/22/2000EP0789093B1 Process for producing directional electrical sheet excellent in glass coating and magnetic properties
03/22/2000EP0772776B1 Superparamagnetic particles, process for their production and their use
03/22/2000CN1248319A Cold-accumulating material and cold-accumulating refrigerator
03/22/2000CN1248051A Method for making permanent magnet using rare earth-iron-borium waste magnet with inferior magnetic performance
03/21/2000US6039818 Grain-oriented electromagnetic steel sheet and process for producing the same
03/21/2000US6039802 Single crystal growth method