Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146) |
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09/28/2000 | WO2000057436A1 Composite part and method for producing the same |
09/28/2000 | WO2000027546A9 Substantially spherical magneto-plumbite ferrite particles and methods for producing and media employing the same |
09/28/2000 | DE10007449A1 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 |
09/27/2000 | EP1039488A1 Magnetic signal transmission line |
09/27/2000 | CN1267894A Compressed magnetic core and its producing method |
09/27/2000 | CN1267893A Magnetic polymer base material and shapes of the material |
09/27/2000 | CN1267892A Rare earth metal base permanent magnet and its producing process |
09/27/2000 | CN1267744A Rear earth/Fe/Boron base magnet alloy fast quenching thin strap |
09/27/2000 | CN1267601A Large demonstrative magnetic writing board and stuffing and magnet powder used therein |
09/26/2000 | CA2164455C Formable composite magnetic flux concentrator and method of making the concentrator |
09/21/2000 | WO2000055871A1 Thin film of molecular magnetic material |
09/21/2000 | WO2000055384A1 Method and device for coating a support body with a hard magnetic se-fe-b material using plasma spraying |
09/21/2000 | WO2000021101A9 Large value buried inductors in low temperature co-fired ceramic circuit boards |
09/20/2000 | CN1267065A Hydrogen crushing device for rareearth magnetic material and manufacture of its powder and magnet using sush device |
09/19/2000 | US6120916 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 |
09/19/2000 | US6120856 Coated, resuspendable magnetically responsive, transition metal oxide particles and method for the preparation thereof |
09/19/2000 | US6120620 Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making |
09/19/2000 | US6120617 Method for manufacturing a magnetic pulse generator |
09/14/2000 | WO2000021045A3 Iron-rich magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic |
09/14/2000 | DE19930519C1 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 |
09/14/2000 | DE19910182A1 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 |
09/13/2000 | EP1034408A1 Method and apparatus for cooling by altering the crystal field interaction |
09/13/2000 | EP0877825B1 Method of preparing a magnetic article from a duplex ferromagnetic alloy |
09/13/2000 | CN1265947A Sintering box for rareearth magnet sintering and method for making rareearth magnet sintered and processed by said box |
09/13/2000 | CN1056460C Method for making iron nitride magnetic fluid |
09/12/2000 | US6118365 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 |
09/12/2000 | US6117205 Soft magnetic metal components manufactured by powder metallurgy and infiltration |
09/08/2000 | WO2000052713A1 Magnetic material |
09/07/2000 | DE19908374A1 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 |
09/06/2000 | EP1033415A1 Alloy for use in preparation of r-t-b-based sintered magnet and process for preparing r-t-b-based sintered magnet |
09/06/2000 | EP1032940A1 Method for producing a magnetic alloy powder |
09/06/2000 | CN1265512A Magnet powder and isotropic rare-earth adhesive magnet |
09/05/2000 | US6114940 BALUN transformer core material, BALUN transformer core and BALUN transformer |
09/05/2000 | US6113846 Continuous hydrogen heat treatment |
09/05/2000 | US6113843 Process for preparation of oxide magnetic compact |
08/30/2000 | EP1031999A1 Production method for semirigid magnetic material and semirigid material and magnetic marker using it |
08/30/2000 | EP1031121A1 A method of annealing amorphous ribbons and marker for electronic article surveillance |
08/29/2000 | US6110581 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. |
08/29/2000 | US6110420 Coating with ceramic and/or glass; vacuum heating to form high strength bond |
08/29/2000 | US6110399 Electroconductive solder particles dispersed in ferrofluid; magnetic field fixes pattern |
08/23/2000 | EP1030318A1 Manganese-zinc ferrite and method for producing the same |
08/23/2000 | EP1030317A2 Quenched thin ribbon of rare earth/iron/boron-based magnet alloy |
08/23/2000 | EP0675970B1 AMORPHOUS Fe-B-Si-C ALLOYS HAVING SOFT MAGNETIC CHARACTERISTICS USEFUL IN LOW FREQUENCY APPLICATIONS |
08/22/2000 | US6106946 Microcapsule containing magnetic fluid, manufacturing method, and use thereof |
08/22/2000 | US6106380 Deterministic magnetorheological finishing |
08/17/2000 | WO2000048211A1 Composite magnetic material |
08/17/2000 | WO2000048210A1 Magnetic recording medium, and magnetic powder and method for preparing the same |
08/17/2000 | WO2000048209A1 Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making |
08/17/2000 | WO2000048208A1 Permanent magnetic materials of the r-fe-b type and process of manufacture |
08/17/2000 | WO2000048152A1 Magneto-acoustic marker for electronic article surveillance having reduced size and high signal amplitude |
08/17/2000 | WO2000047786A1 Rare earth magnet for mri scanner made from treated pr-nd bearing ore residuum |
08/17/2000 | WO2000047785A1 Processing route for direct production of mixed rare earth metal oxides by selective extraction |
08/17/2000 | DE19905792A1 Process for the reversible local arrangement of directed molecular sequences comprises producing a controllable force field between acceptors and stationary secondary acceptors |
08/17/2000 | DE19904951A1 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 |
08/16/2000 | EP1027819A1 Electromagnetic shielding |
08/16/2000 | EP1027710A1 Magnetorheological fluid |
08/16/2000 | CN1263516A Colloidal insulating and cooling fluid |
08/16/2000 | CN1263349A Iron-boron-rare earth type pemanent magnetic material containing cerium, neodymium and/or praseodymium and its production method |
08/16/2000 | CN1263164A Technological process for directly producing mixed rare earth oxide |
08/16/2000 | CN1263068A Ceramic composition for absorbing electromagnetic wave and its production method |
08/16/2000 | CN1055563C Method for prepn. of magnetic materials |
08/15/2000 | US6103396 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 |
08/15/2000 | US6103107 System for recycling ferrofluid constituents used in a materials separation process |
08/15/2000 | US6103021 Method of preparing raw material powder for permanent magnets superior in moldability |
08/15/2000 | US6102980 Containing iron; heating, compression |
08/15/2000 | CA2117796C Magnetized material having enhanced magnetic pull strength and a process and apparatus for the multipolar magnetization of the material |
08/09/2000 | EP1026706A1 FEEDSTOCK POWDER FOR R-Fe-B MAGNET AND PROCESS FOR PRODUCING R-Fe-B MAGNET |
08/09/2000 | EP1026279A1 Permanent magnetic alloy with excellent heat resistance and process for producing the same |
08/09/2000 | EP1026266A1 Simple ladle refining method |
08/08/2000 | US6099957 Plate-like ferrite particles with magnetoplumbite structure and magnetic card using the same |
08/08/2000 | CA2147559C Non-oriented electromagnetic steel sheet with low iron loss after stress relief annealing, and core of motor or transformer |
08/03/2000 | WO2000045397A1 Rare earth permanent magnet and method for making same |
08/02/2000 | EP1024506A1 Rare earth metal-based permanent magnet, and process for producing the same |
08/02/2000 | EP1024204A2 Method of manufacturing a high Mn non-magnetic steel sheet for cryogenic temperature use |
08/02/2000 | CN1261718A Rare earth-Fe-B base permanent magnet and its making method |
08/02/2000 | CN1261717A Squareness ratio increased R-T-B serial rare earth sintered magnetic body and its making method |
08/01/2000 | CA1341071C Metallic glass alloys for mechanically resonant target surveillance systems |
07/27/2000 | WO2000043556A1 Method for treating a brittle thin metal strip and magnetic parts made from a nanocrystalline alloy strip |
07/27/2000 | WO2000021101A3 Large value buried inductors in low temperature co-fired ceramic circuit boards |
07/27/2000 | CA2358907A1 Method for treating a brittle thin metal strip and magnetic parts made from a nanocrystalline alloy strip |
07/26/2000 | EP1022929A2 Loudspeaker with a jacketed magnetic core |
07/25/2000 | US6093445 Microscopic element manufacturing method and equipment for carrying out the same |
07/25/2000 | US6093337 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 |
07/25/2000 | US6093261 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 |
07/25/2000 | US6093232 Iron-carbon compacts and process for making them |
07/19/2000 | EP1020285A2 Process and apparatus for supplying rare earth metal-based alloy powder |
07/19/2000 | EP1019921A1 Magnetorheological fluid |
07/19/2000 | EP1019430A2 Automatable method for preparing samples which can be universally applied |
07/19/2000 | EP1019336A1 Colloidal insulating and cooling fluid |
07/19/2000 | CN1260904A Ordered structure in homogeneous magnetic fluid thin films and method of preparation |
07/19/2000 | CN1260636A Clutter rejection apparatus |
07/19/2000 | CN1260401A Preparation method for single-phase intermetallic compound and its prepared magnet raw material |
07/18/2000 | US6091333 Shoplifting prevention device and article with shoplifting prevention device |
07/13/2000 | DE19900351A1 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 |
07/12/2000 | EP1018753A1 Composition for bonded rare-earth permanent magnet, bonded rare-earth permanent magnet and method for manufacturing bonded rare-earth permanent magnet |
07/12/2000 | EP1018752A1 Flame-retardant resin magnet material |
07/12/2000 | EP1018751A1 Thin plate magnet having microcrystalline structure |
07/12/2000 | EP1018125A1 Metallic glass alloys for mechanically resonant marker surveillance systems |
07/12/2000 | EP1018036A1 Magnetic apparatus for mri |
07/12/2000 | EP0920702B1 Winding protection for tape-wound cores |