Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
05/2003
05/01/2003WO2003036662A1 Method for producing oxide magnetic material based permanent magnet
05/01/2003US20030082484 Method of manufacturing magnetoresistive device, method of manufacturing thin film magnetic head, and method of forming thin film pattern
05/01/2003US20030080845 Fabrication approaches for the formation of planar inductors and transformers
05/01/2003US20030080084 Method of forming patterned thin film and method of fabricating micro device
05/01/2003US20030079904 Electronic component and method of manufacturing the same
05/01/2003US20030079805 Corrosion resistant rare earth magnet and its preparation
04/2003
04/30/2003CN2548237Y Lead mouth
04/30/2003CN1415111A Power conversion system utilizing wire core inductive devices
04/30/2003CN1414580A Control method for winding shaping of space triangular symmetrical R type power transformer iron core
04/30/2003CN1414579A Soft composite ferromagnet and its manufacturing method
04/30/2003CN1414577A Soft magnetic iron core press formed from powdered iron in automobile ignition coil and its manufacturing method
04/30/2003CN1107219C Method of measuring exchange force and method of evaluating magnetism using exchange force
04/29/2003US6555913 Electronic component having a coil conductor with photosensitive conductive paste
04/29/2003US6555601 Process for impregnating electrical coils, and selected epoxy composition for carrying out the impregnation
04/29/2003US6554913 Milling ribbon-shaped magnetic material which has been obtained by colliding molten alloy of magnetic material to a circumferential surface of rotating cooling roll to solidify
04/29/2003US6553651 Method for fabricating a permanent magnetic structure in a substrate
04/29/2003US6553650 Method for manufacturing a rectangular-wire coil
04/24/2003WO2003033432A1 Economical ferrite-type magnets with enhanced properties
04/24/2003WO2003033207A1 Cutting method using wire saw, wire saw device, and method of manufacturing rare-earth magnet
04/24/2003WO2003009313A3 Method for making uniaxial, high moment fe-co alloys
04/24/2003WO2002073250A3 Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition, security document and use of such a magnetic thin film interference device
04/24/2003US20030077481 Soft complex magnet structure and method for manufacturing the soft complex magnet structure
04/24/2003US20030077465 Magnetic substrates, composition and method for making the same
04/24/2003US20030077448 Heat resistant insulation coating mixture of silicone and pigment over powder core
04/24/2003US20030076209 Novel structure to reduce the degradation of the Q value of an inductor caused by via resistance
04/24/2003US20030074781 Fully automatic process for magnetic circuit assembly
04/23/2003EP1303861A2 Bulk metal magnetic component
04/23/2003CN1412793A Winding or tape winder and spiral winding and tape winding system
04/23/2003CN1412791A Nano composite rare earth permanent magnet film material and its preparation method
04/23/2003CN1412790A Electromagnetic coil and its manufacturing method and coil form
04/22/2003US6552642 Electronic device having electric wires and method of producing same
04/22/2003US6552639 Bulk stamped amorphous metal magnetic component
04/22/2003US6551426 Manufacturing method for a laminated ceramic electronic component
04/22/2003CA2119934C Moldable crystalline magnetic material for high-frequency applications
04/17/2003WO2003032339A2 Process for fabricating an article comprising a magneto-optic garnet material
04/17/2003WO2003032338A1 Spin-valve magnetoresistive device with enhanced performance
04/17/2003WO2003032115A2 High speed system for embedding wire antennas in an array of smart cards
04/17/2003WO2003031168A1 Press and magnet manufacturing method
04/17/2003WO2003000490A3 Method for producing and magnetising a bitumen film containing magnetic powder
04/17/2003WO2002099451A3 Semimanufacture for a sensor for measuring a magnetic field
04/17/2003US20030072870 Providing a substrate, and forming on the substrate a film of (BiEu)3(Fe5-y(GaxAl1-x)y)O12, where x is 0 to 1 and y is 0.8 to 1.2, wherein the substrate is a single crystal material consisting essentially of a solid solution garnets
04/17/2003US20030070729 Permanent magnet for electromagnetic device and method of making
04/17/2003US20030070282 Ultra-miniature magnetic device
04/16/2003EP1302955A1 Inductance and its manufacturing method
04/16/2003EP1302954A1 Process for manufacturing an inductance and a via hole in an integrated circuit
04/16/2003EP1301827A1 Photolithographically-patterned out-of-plane coil structures and method of making
04/16/2003CN1411008A Low temperature sintered very high frequency laminated sheet type electrical inductance, sheet type magnetic beal material and its preparation method
04/16/2003CN1410387A Method of producing microwave oven magnetic steel
04/16/2003CN1410171A Soft magnet ferrite magnetic ring surface plastic coating method
04/16/2003CN1106022C Coil winding device
04/15/2003US6549454 TMR material having a substantially smooth and continuous ultra-thin magnetic layer
04/15/2003US6549384 Spin-valve magnetoresistive thin film element
04/15/2003US6549111 Inductive element
04/15/2003US6548014 Suspension application apparatus and method for manufacturing rare earth magnet
04/15/2003US6548012 A non-coated ferromagnetic powder is mixed with a lubricant and compacted, after compaction the components are thermally treated at moderate temperature to burn out the lubricant
04/15/2003US6547984 Mn-Zn ferrite and production process thereof
04/15/2003US6546968 Compression molding; pressurization cycles
04/10/2003WO2003029166A2 Self-constrained low temperature glass-ceramic unfired tape for microelectronics and methods for making and using the same
04/10/2003WO2002101765A3 Devices and methods for protecting windings around a sharp edged core
04/10/2003US20030068884 Inductance and via forming in a monolithic circuit
04/10/2003US20030067052 Integrated circuit device and method of manufacturing the same
04/10/2003US20030066184 Inductance and its manufacturing method
04/09/2003EP1300489A1 Electrolytic copper-plated r-t-b magnet and plating method thereof
04/09/2003EP1299888A1 Nanostructures
04/09/2003EP1299570A1 Method of inhibiting production of projections in metal deposited film
04/09/2003CN2544392Y Digital controlled wire winder
04/08/2003US6544365 Method of producing laminated ceramic electronic component
04/08/2003US6544352 Manufacturing a green compact useful as a material for a high frequency dust core; improving the mechanical properties, magnetic properties; high density and high strength
04/03/2003WO2003028195A2 Dc voltage/current heating/gelling/curing of resin encapsulated distribution transformer coils
04/03/2003US20030063492 Digital magnetic memory cell device
04/03/2003US20030063415 Exchange coupling film having improved wettability of seed layer
04/03/2003US20030062098 Preparation of bonded rare earth magnet-forming alloy and bonded rare earth magnet composition
04/03/2003US20030062097 Nd-Fe-B type magnet alloy; serves as material for an anisotropic exchange spring magnet to be applied to a motor.
04/02/2003EP1297542A1 Device for orienting the direction of magnetization of magnetic layers
04/02/2003EP1082733B1 Method for preparing a magnetic material by forging and magnetic material in powder form
04/02/2003CN2543191Y 自动绕线机 Automatic winding machine
04/02/2003CN2543190Y Offset supporting jack for lamination of transformer core
04/02/2003CN1408119A Method of manufacturing inductor
04/02/2003CN1407567A Punching process for silicon sheets of ballast
04/02/2003CN1407566A Inductor manufacture
04/02/2003CN1407565A Special output transformer for power amplifier with wide frequency band of audio frequency to ultra-audio frequency
04/02/2003CN1407564A Magnetic element and its manufacture, power supply module therewith
04/01/2003US6542379 High density circuit
04/01/2003US6542299 Material for bismuth substituted garnet thick film and a manufacturing method thereof
04/01/2003US6542059 Solenoid for electromagnetic valve
04/01/2003US6540928 Magnetic pole fabrication process and device
04/01/2003US6540839 Apparatus and method to passivate magnets and magnetic materials
04/01/2003CA2281231C Method for producing electro- or electroless-deposited film with a controlled crystal orientation
03/2003
03/27/2003WO2003025957A1 Improved transformer winding
03/27/2003WO2003025909A1 Magnetic thin film disks with a nonuniform composition
03/27/2003WO2003025068A1 Resin-magnet composition
03/27/2003WO2003024307A2 Methods, devices and systems for forming magnetic anastomoses
03/27/2003WO2002103726A8 Method and device for machining stacked core
03/27/2003WO2002013703A9 Magnetic components for forming anastomoses and creating ports in vessels
03/27/2003US20030061591 Interconnected series of plated through hole vias and method of fabrication therefor
03/27/2003US20030059608 Method for producing magnetic particle, magnetic particle and magnetic material
03/27/2003US20030058077 Ignition coil and method of making
03/27/2003US20030058076 DC voltage/current heating/gelling/curing of resin encapsulated distribution transformer coils
03/27/2003US20030058074 Method of making an electrical inductor using a sacrificial electrode
03/27/2003US20030058072 Magnetic member for electromagnetic driving device and manufacturing method thereof