Patents
Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146)
09/2000
09/28/2000WO2000057436A1 Composite part and method for producing the same
09/28/2000WO2000027546A9 Substantially spherical magneto-plumbite ferrite particles and methods for producing and media employing the same
09/28/2000DE10007449A1 Hydrogen pulverizing unit, for magnetic rare earth alloy powder production, has an inert gas filled chamber for receiving pulverized material from a hermetically sealed hydrogen furnace
09/27/2000EP1039488A1 Magnetic signal transmission line
09/27/2000CN1267894A Compressed magnetic core and its producing method
09/27/2000CN1267893A Magnetic polymer base material and shapes of the material
09/27/2000CN1267892A Rare earth metal base permanent magnet and its producing process
09/27/2000CN1267744A Rear earth/Fe/Boron base magnet alloy fast quenching thin strap
09/27/2000CN1267601A Large demonstrative magnetic writing board and stuffing and magnet powder used therein
09/26/2000CA2164455C Formable composite magnetic flux concentrator and method of making the concentrator
09/21/2000WO2000055871A1 Thin film of molecular magnetic material
09/21/2000WO2000055384A1 Method and device for coating a support body with a hard magnetic se-fe-b material using plasma spraying
09/21/2000WO2000021101A9 Large value buried inductors in low temperature co-fired ceramic circuit boards
09/20/2000CN1267065A Hydrogen crushing device for rareearth magnetic material and manufacture of its powder and magnet using sush device
09/19/2000US6120916 Wafers of a polycrystalline magenetic ceramic of a zinc-iron oxide with manganese or nickel form strata separated by dielectric binder; wafers are square or torroids and oriented so that their main faces are parallel to each other
09/19/2000US6120856 Coated, resuspendable magnetically responsive, transition metal oxide particles and method for the preparation thereof
09/19/2000US6120620 Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making
09/19/2000US6120617 Method for manufacturing a magnetic pulse generator
09/14/2000WO2000021045A3 Iron-rich magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic
09/14/2000DE19930519C1 Non-textured electrical steel sheet, useful for cores in rotary electrical machines such as motors and generators, is produced by multi-pass hot rolling mainly in the two-phase austenite-ferrite region
09/14/2000DE19910182A1 Permanent magnetic foil, especially for micro-actuators, linear drives or magnetic gauges, produced by casting a slip of neodymium-iron-boron powder, solvent, polymer binder, plasticizer and thermosetting hardener
09/13/2000EP1034408A1 Method and apparatus for cooling by altering the crystal field interaction
09/13/2000EP0877825B1 Method of preparing a magnetic article from a duplex ferromagnetic alloy
09/13/2000CN1265947A Sintering box for rareearth magnet sintering and method for making rareearth magnet sintered and processed by said box
09/13/2000CN1056460C Method for making iron nitride magnetic fluid
09/12/2000US6118365 Pulse transformer for a u-interface operating according to the echo compensation principle, and method for the manufacture of a toroidal tape core contained in a U-interface pulse transformer
09/12/2000US6117205 Soft magnetic metal components manufactured by powder metallurgy and infiltration
09/08/2000WO2000052713A1 Magnetic material
09/07/2000DE19908374A1 Weakly magnetic solid solution powder useful for transformers, chokes, and molded in electrical machines has high frequency stable initial permeability combined with high saturation flow density and low eddy current losses
09/06/2000EP1033415A1 Alloy for use in preparation of r-t-b-based sintered magnet and process for preparing r-t-b-based sintered magnet
09/06/2000EP1032940A1 Method for producing a magnetic alloy powder
09/06/2000CN1265512A Magnet powder and isotropic rare-earth adhesive magnet
09/05/2000US6114940 BALUN transformer core material, BALUN transformer core and BALUN transformer
09/05/2000US6113846 Continuous hydrogen heat treatment
09/05/2000US6113843 Process for preparation of oxide magnetic compact
08/2000
08/30/2000EP1031999A1 Production method for semirigid magnetic material and semirigid material and magnetic marker using it
08/30/2000EP1031121A1 A method of annealing amorphous ribbons and marker for electronic article surveillance
08/29/2000US6110581 Ferromagnetic metal powder mainly consists of a transition metal to which al, si, and sm are added; binder contains 20 weight % of vinyl chloride resin having a polar group with respect to the total of binder agents.
08/29/2000US6110420 Coating with ceramic and/or glass; vacuum heating to form high strength bond
08/29/2000US6110399 Electroconductive solder particles dispersed in ferrofluid; magnetic field fixes pattern
08/23/2000EP1030318A1 Manganese-zinc ferrite and method for producing the same
08/23/2000EP1030317A2 Quenched thin ribbon of rare earth/iron/boron-based magnet alloy
08/23/2000EP0675970B1 AMORPHOUS Fe-B-Si-C ALLOYS HAVING SOFT MAGNETIC CHARACTERISTICS USEFUL IN LOW FREQUENCY APPLICATIONS
08/22/2000US6106946 Microcapsule containing magnetic fluid, manufacturing method, and use thereof
08/22/2000US6106380 Deterministic magnetorheological finishing
08/17/2000WO2000048211A1 Composite magnetic material
08/17/2000WO2000048210A1 Magnetic recording medium, and magnetic powder and method for preparing the same
08/17/2000WO2000048209A1 Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making
08/17/2000WO2000048208A1 Permanent magnetic materials of the r-fe-b type and process of manufacture
08/17/2000WO2000048152A1 Magneto-acoustic marker for electronic article surveillance having reduced size and high signal amplitude
08/17/2000WO2000047786A1 Rare earth magnet for mri scanner made from treated pr-nd bearing ore residuum
08/17/2000WO2000047785A1 Processing route for direct production of mixed rare earth metal oxides by selective extraction
08/17/2000DE19905792A1 Process for the reversible local arrangement of directed molecular sequences comprises producing a controllable force field between acceptors and stationary secondary acceptors
08/17/2000DE19904951A1 Soft magnetic iron-nickel alloy for relay, magnetic valve, magnet, motor and sensor parts, magnetic heads and screens has silicon and/or niobium additions and can be produced by conventional steel making technology
08/16/2000EP1027819A1 Electromagnetic shielding
08/16/2000EP1027710A1 Magnetorheological fluid
08/16/2000CN1263516A Colloidal insulating and cooling fluid
08/16/2000CN1263349A Iron-boron-rare earth type pemanent magnetic material containing cerium, neodymium and/or praseodymium and its production method
08/16/2000CN1263164A Technological process for directly producing mixed rare earth oxide
08/16/2000CN1263068A Ceramic composition for absorbing electromagnetic wave and its production method
08/16/2000CN1055563C Method for prepn. of magnetic materials
08/15/2000US6103396 An amorphous metal strips having a large thickness produced by a melt spin process wherein a stream of molten metal alloy is quenched and solidified on the peripheral surface of a rotating annular chill roll
08/15/2000US6103107 System for recycling ferrofluid constituents used in a materials separation process
08/15/2000US6103021 Method of preparing raw material powder for permanent magnets superior in moldability
08/15/2000US6102980 Containing iron; heating, compression
08/15/2000CA2117796C Magnetized material having enhanced magnetic pull strength and a process and apparatus for the multipolar magnetization of the material
08/09/2000EP1026706A1 FEEDSTOCK POWDER FOR R-Fe-B MAGNET AND PROCESS FOR PRODUCING R-Fe-B MAGNET
08/09/2000EP1026279A1 Permanent magnetic alloy with excellent heat resistance and process for producing the same
08/09/2000EP1026266A1 Simple ladle refining method
08/08/2000US6099957 Plate-like ferrite particles with magnetoplumbite structure and magnetic card using the same
08/08/2000CA2147559C Non-oriented electromagnetic steel sheet with low iron loss after stress relief annealing, and core of motor or transformer
08/03/2000WO2000045397A1 Rare earth permanent magnet and method for making same
08/02/2000EP1024506A1 Rare earth metal-based permanent magnet, and process for producing the same
08/02/2000EP1024204A2 Method of manufacturing a high Mn non-magnetic steel sheet for cryogenic temperature use
08/02/2000CN1261718A Rare earth-Fe-B base permanent magnet and its making method
08/02/2000CN1261717A Squareness ratio increased R-T-B serial rare earth sintered magnetic body and its making method
08/01/2000CA1341071C Metallic glass alloys for mechanically resonant target surveillance systems
07/2000
07/27/2000WO2000043556A1 Method for treating a brittle thin metal strip and magnetic parts made from a nanocrystalline alloy strip
07/27/2000WO2000021101A3 Large value buried inductors in low temperature co-fired ceramic circuit boards
07/27/2000CA2358907A1 Method for treating a brittle thin metal strip and magnetic parts made from a nanocrystalline alloy strip
07/26/2000EP1022929A2 Loudspeaker with a jacketed magnetic core
07/25/2000US6093445 Microscopic element manufacturing method and equipment for carrying out the same
07/25/2000US6093337 Ceramic metallic composite comprising a oxide ferrite and a metallic binder in a volume ratio of oxide ferrite to metallic binder of about 1:1 to 99:1; cobalt, iron, manganese, zinc oxides, silver, nickel, cobalt
07/25/2000US6093261 Specified alloy including iron, cobalt, nickel, boron, silicon, carbon; use as strip in a marker for an article surveillance system which detects signals produced by mechanical resonance of marker within applied magnetic field
07/25/2000US6093232 Iron-carbon compacts and process for making them
07/19/2000EP1020285A2 Process and apparatus for supplying rare earth metal-based alloy powder
07/19/2000EP1019921A1 Magnetorheological fluid
07/19/2000EP1019430A2 Automatable method for preparing samples which can be universally applied
07/19/2000EP1019336A1 Colloidal insulating and cooling fluid
07/19/2000CN1260904A Ordered structure in homogeneous magnetic fluid thin films and method of preparation
07/19/2000CN1260636A Clutter rejection apparatus
07/19/2000CN1260401A Preparation method for single-phase intermetallic compound and its prepared magnet raw material
07/18/2000US6091333 Shoplifting prevention device and article with shoplifting prevention device
07/13/2000DE19900351A1 New soft magnetic iron-nickel alloy, especially for relay armatures and yokes, has a high nickel content and contains cerium and-or other rare earths
07/12/2000EP1018753A1 Composition for bonded rare-earth permanent magnet, bonded rare-earth permanent magnet and method for manufacturing bonded rare-earth permanent magnet
07/12/2000EP1018752A1 Flame-retardant resin magnet material
07/12/2000EP1018751A1 Thin plate magnet having microcrystalline structure
07/12/2000EP1018125A1 Metallic glass alloys for mechanically resonant marker surveillance systems
07/12/2000EP1018036A1 Magnetic apparatus for mri
07/12/2000EP0920702B1 Winding protection for tape-wound cores