Patents
Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146)
11/2003
11/06/2003US20030205296 Fe-Ni based permalloy and method of producing the same and cast slab
11/06/2003US20030205295 Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same
11/06/2003US20030205294 Compact is produced from an alloy powder for R-Fe-B type rare earth magnets including particles having a size in a range of 2.0-5.0 mu m, and particles having a size larger than 10 mu m in a proportion of less than 1 vol. %.
11/05/2003EP1358660A1 Method of making material alloy for iron-based rare earth magnet
11/05/2003CN1126824C Non-orientation electrical steel plate used for miniature precision electric machine
11/04/2003US6642538 Voltage controlled nonlinear spin filter based on paramagnetic ion doped nanocrystal
11/04/2003US6641919 Resin-bonded magnet
10/2003
10/30/2003WO2003090347A2 Acoustic wave sensor apparatus, method and system using wide bandgap materials
10/30/2003WO2003090284A1 Self-assembled nanobump array structures and a method to fabricate such structures
10/30/2003WO2002050322A3 A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property
10/30/2003US20030201864 High performance bulk metal magnetic component
10/30/2003US20030201035 Modified sintered RE-Fe-B-type, rare earth permanent magnets with improved toughness
10/30/2003US20030201032 Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same
10/30/2003US20030201031 Mixture containing niobium, titanium. copper or neodymium adjuvant
10/30/2003DE19926699C2 Hochpaßzweig einer Frequenzweiche für ADSL-Systeme High-pass crossover for an ADSL systems
10/29/2003EP1356478A2 Transparent paramagnetic polymer
10/29/2003EP1356127A2 Process for the production of grain oriented electrical steel strips
10/29/2003EP1356126A2 Process for the production of grain oriented electrical steel strips
10/29/2003EP1355866A1 Powers which have an antibacterial and a far infrared ray radiating property and a bio-wave steel plate which is coated with resin containing the same
10/29/2003EP0963558B1 Plastic body, in particular flat element, for limiting hf reflection
10/29/2003CN1452774A Multilayer transformer having electrical connection in magnetic core
10/29/2003CN1452292A Permanent magnet for motor
10/29/2003CN1126123C High performance permanent magnet RE alloy and its making process
10/28/2003US6638633 Layers of insulator coatings comprising water soluble resins and colloids selected from silica, alumina and/or alumina-silica
10/28/2003US6638599 Ferromagnetic particles
10/28/2003US6638494 Iron hydroxide, ferric hydrate, iron oxide, iron mixed oxide or iron; di- or polycarboxylic acid stabilizer; aggregation prevention; antitumor and contrast agents; immune boosters, magnetic resonance imaging, cell fusion, gene transfer
10/28/2003US6638443 Comprises mixture of 1-dodecene polyalphaolefin and a diester such as dioctyl sebacate (produces seal swelling and lowers the pour point); improved viscosity and low temperature flow, low volatility
10/28/2003US6638442 Polycrystalline ferromagnetic metal oxide and method of manufacturing the same
10/28/2003US6638368 Non-oriented electrical steel sheet and method for producing the same
10/28/2003US6638367 Iron/rare earth element-based magnet powder having high coercive force in humid atmosphere
10/23/2003WO2003088281A1 Method of manufacturing soft magnetic powder and inductor using the same
10/23/2003WO2003088280A1 Process for the production of neodymium-iron-boron permanent magnet alloy powder
10/23/2003WO2003088279A1 Bonded permanent magnets
10/23/2003WO2003087420A1 Directional hot rolled magnetic steel sheet or strip with extremely high adherence to coating and process for producing the same
10/23/2003WO2003086687A1 Method for press molding rare earth alloy powder and method for producing sintered object of rare earth alloy
10/23/2003WO2003053647A3 A thermal process involving cold rf irradiated liquid as a core method for producing nano-size particles
10/23/2003US20030199078 Lysing a biological sample containing an analyte in a reaction vessel, adding a solid adsorption matrix, incubating to bind analyte to the adsorption matrix, removing non-bound components, incubating to elute analyte from the matrix
10/23/2003US20030197970 Magnetoelectric multilayer composites for field conversion
10/23/2003US20030197571 High-frequency magnetic ceramic and high-frequency circuit component
10/23/2003US20030196730 Having high residual magnetization and large intrinsic coercive force
10/23/2003US20030196477 Acoustic wave sensor apparatus, method and system using wide bandgap materials
10/22/2003EP0938105B1 Powder for permanent magnet, method for its production and anisotropic permanent magnet made using said powder
10/22/2003EP0724549B1 Magnetodielectric ceramic composite material, method of manufacturing same, application, and a multifunctional component
10/22/2003CN1451166A Rare earth element permanent magnet material
10/22/2003CN1450573A Method for preparing composite nano crystal magnetic recording material
10/22/2003CN1450570A Nano crystal soft magnetic alloy superthin belt and mfg method thereof
10/22/2003CN1450569A Method for mfg of sintered Nd-Fe-B
10/22/2003CN1450022A Productive method of sintering anisotropic permanent magnetic ferrite
10/22/2003CN1125473C Ultratvide frequency band metal organic compound magnetic material and ultrawide frequency band organic magnetic base material using same as base material
10/22/2003CN1125472C Feedstock powder for R-Fe-B magnet and process for producing R-Fe-B magnet
10/21/2003US6635361 Magnetic shielding steel sheet and method for producing the same
10/21/2003US6635125 Grain-oriented electrical steel sheet excellent in film characteristics and magnetic characteristics, process for producing same, and decarburization annealing facility used in same process
10/21/2003US6635122 Formed from metal-based core particles coated with annealable insulating material, insulating material having inorganic compound and organic polymeric resin; useful for low frequency alternating current applications
10/21/2003US6635120 Pulverizing coarse rare earth magnet alloy powder, adding to oil, then adding lubricant preparing slurry, molding, degreasing, sintering, then heat treating
10/21/2003US6635097 Biaxially textured articles formed by powder metallurgy
10/21/2003CA2216659C Semiprocessed nonoriented magnetic steel sheet having excellent magnetic characteristics and method for making the same
10/16/2003WO2003085684A1 Composite rare earth anisotropic bonded magnet, compound for composite rare earth anisotropic bonded magnet, and method for production thereof
10/16/2003WO2003085683A1 Composite rare earth anisotropic bonded magnet, compound for composite rare earth anisotropic bonded magnet and method for preparation thereof
10/16/2003WO2003085649A1 Polycrystalline structure and its production method
10/16/2003WO2003085151A1 SOFT MAGNETIC Co-BASED METALLIC GLASS ALLOY
10/16/2003WO2003085150A1 Fe-BASE AMORPHOUS ALLOY THIN STRIP OF EXCELLENT SOFT MAGNETIC CHARACTERISTIC, IRON CORE PRODUCED THEREFROM AND MASTER ALLOY FOR QUENCH SOLIDIFICATION THIN STRIP PRODUCTION FOR USE THEREIN
10/16/2003WO2003085147A1 Alloy for use in bonded magnet, isotropic magnet powder and anisotropic magnet powder and method for production thereof, and bonded magnet
10/15/2003EP1353341A1 Dust core and method for producing the same
10/15/2003EP1198803B1 Aqueous magnetorheological materials
10/15/2003CN1448968A 陶瓷电子部件及其制造方法 The ceramic electronic component and its manufacturing method
10/15/2003CN1124624C Process for manufacturing MPP core forming powder and process for manufacturing MPP core using the powder
10/15/2003CN1124362C Amorphous thin Fe-base alloy band and iron core made of it
10/15/2003CN1124357C Electric steel plate suitable for making small core and its manufacture
10/14/2003US6632520 Magnetic film
10/14/2003US6632517 Low field magnetoresistance of intergranular tunneling in field-aligned chromium dioxide powders
10/14/2003US6632295 High tensile strength hot-rolled steel sheet and method for manufacturing the same
10/09/2003US20030190498 Electromagnetic wave absorber, method of manufacturing the same and appliance using the same
10/09/2003US20030190250 Method for preparing sintered product, sintered product and magnetostriction material
10/09/2003US20030189791 Magnetizable device
10/09/2003US20030189475 Bonded permanent magnets
10/09/2003US20030188805 Last forming pass of hot rolling is carried out in the mixed region austenite/ferrite wherein total deformation epsilon H achieved during rolling in mixed region austenite/ferrite is less-than 35%; thicker magnetic steel sheet
10/08/2003EP1351260A1 Permanent magnet and method for preparation thereof
10/08/2003EP1350256A1 USE OF A Cr-Al STEEL IN LAMINATED MAGNET CORES
10/08/2003EP1158545B1 Permanent magnet including multiple ferromagnetic phases and method for producing the magnet
10/08/2003CN1447356A Material powder of manganese-zinc power soft magnet ferrite and its preparation method
10/08/2003CN1447355A Rare earth multiphase alloy material and its preparation
10/08/2003CN1447354A Permanent magnet and R-TM-B series permanent magnet
10/08/2003CN1446933A Iron based amorphous soft magnetization alloy
10/08/2003CN1446871A Resin compson. for binding magnet and bond magnet thereof
10/08/2003CN1123645C Method for producing soft-magnetic sinterered components
10/08/2003CN1123548C Ceramic compsn. for absorbing electromagnetic wave and its prodn. method
10/07/2003US6630084 Method of making ferrite material powder by spray pyrolysis process and method of producing ferrite magnet
10/02/2003WO2003081612A1 Process for the preparation of nanosozed iron oxide by biomimetic route
10/02/2003WO2003003385A3 Magnetic devices comprising magnetic meta-materials
10/02/2003US20030183800 Fine spinel-type ferrimagnetic particles containing Fe-Co-Ni and process for producing the same
10/02/2003US20030183305 Highly productively and at a reduced cost for a nanocomposite magnet, a molten alloy represented by Fe100-x-y-zRxQyMz (where R is at least one element selected from Pr, Nd, Dy and Tb; Q is B and/or C; M is at least one element selected from Co, Al,
10/02/2003US20030183304 Excellent in high magnetic field core loss property containing, in percentage by weight, not greater than 0.005% of C, 2.0-7.0% of Si, not greater than 0.2% of Mn, one or both of S and Se in a total amount of not greater than 0.005%,
10/01/2003CN1445797A Magnetic hud fine particles possessing strong magnetic field response capability and its preparing method
10/01/2003CN1445168A Method for synthesizing nano-erystal of soft magnetic ferrite
10/01/2003CN1123017C Mould for sintering magnetic Nd-Fe-B ring by one-step shaping radiating and its technology
10/01/2003CN1122588C Production device for rare-earth magnet powders
09/2003
09/30/2003US6628190 Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
09/30/2003US6628037 Power generator, electronic device using the same, method of setting plate thickness in a magnetic circuit in electronically controlled timepiece and power generator
09/30/2003US6627326 Manufacturing technique for multi-layered structure with magnet using an extrusion process
09/30/2003US6627103 Firing, cooling in nitrogen environment