Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
10/2003
10/16/2003WO2003085172A2 Method of etching a magnetic material and for fabricating a mram device
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
10/16/2003WO2003064305A3 A machine for winding thin metal ribbon continuously on spools
10/16/2003US20030193261 Integrated commutator with sense magnet
10/16/2003US20030192169 Sinterbonded electric machine components
10/15/2003EP1353341A1 Dust core and method for producing the same
10/15/2003EP1352403A2 Integrated transformer
10/15/2003CN2580580Y Winding machine
10/15/2003CN2580579Y Sliding working table for space triangular symmetrical R type power transformer iron core forming equipment
10/15/2003CN1448966A Manufacturing installation for multi-layered electronic parts
10/15/2003CN1448544A Surface protection technique for NdFeB permanent magnet material
10/15/2003CN1124626C High-tension-code fixing apparatus and its control method
10/15/2003CN1124624C Process for manufacturing MPP core forming powder and process for manufacturing MPP core using the powder
10/14/2003US6633221 Inductance element and preparation method thereof
10/14/2003US6633219 Coil for automated mounting
10/14/2003US6632517 Low field magnetoresistance of intergranular tunneling in field-aligned chromium dioxide powders
10/14/2003US6632474 Robust hard bias/conductor lead structures for future GMR heads
10/14/2003US6632473 Method of producing ferrite thin film
10/14/2003US6631545 Method for producing a lamination ceramic chi
10/14/2003CA2183132C Process for insulating preformed coils
10/09/2003WO2003083910A1 Reduction of noise, and optimization of magnetic field sensitivity and electrical properties in magnetic tunnel junction devices
10/09/2003WO2003083873A1 Method for producing a reference layer and an mram memory cell provided with said type of reference layer
10/09/2003WO2003083842A1 Vertical magnetic recording medium, magnetic recorder having same, vertical magnetic recording medium manufacturing method, and vertical magnetic recording medium manufacturing apparatus
10/09/2003WO2003083840A1 Magnetic recording medium and magnetic storage apparatus
10/09/2003US20030189788 Micro device and method for fabricating the same
10/09/2003US20030189183 Method for producing a magnetic coil for a valve and valve with a magnetic coil
10/09/2003US20030189038 Method and device for baking compact coils
10/08/2003EP1351260A1 Permanent magnet and method for preparation thereof
10/08/2003EP0811994B1 Permanent magnet for ultrahigh vacuum application and method for manufacturing the same
10/08/2003CN2578949Y Flat wire leader
10/08/2003CN1123645C Method for producing soft-magnetic sinterered components
10/07/2003US6631057 Magnetic device with ferromagnetic layer contacting specified yttrium or rare earth element oxide antiferromagnetic layer
10/07/2003US6630881 Method for producing multi-layered chip inductor
10/07/2003US6630248 Synthetic anti-parallel/parallel/pinned layer spin valve
10/07/2003US6629358 Process for the production of laminated cores
10/07/2003US6629344 Method for making impregnated electrical components
10/07/2003CA2223725C Post compaction treatment to increase mechanical strength iron powder
10/02/2003WO2003081616A1 Coil on a semiconductor substrate and method for production thereof
10/02/2003WO2003081614A1 'a magnetic structure assembly'
10/02/2003WO2003003385A3 Magnetic devices comprising magnetic meta-materials
10/02/2003US20030184929 Method for reducing ac loss in superconducting coils
10/02/2003US20030183165 Apparatus for manufacturing stacked type electronic part
10/01/2003EP1348222A2 Method of manufacturing a stacked core for a magnetic induction device
10/01/2003EP1010014B1 Magnet core
10/01/2003CN1445797A Magnetic hud fine particles possessing strong magnetic field response capability and its preparing method
10/01/2003CN1123019C Method for treating hollow parts surface and ring shape binding magnet produced with the same method
10/01/2003CN1122588C Production device for rare-earth magnet powders
09/2003
09/30/2003US6628483 Dual spin-valve magnetoresistive thin film element
09/30/2003US6628190 Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
09/30/2003US6628188 Variable inductor and method
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
09/30/2003US6627021 Method of manufacturing laminated ceramic electronic component and method of manufacturing laminated inductor
09/30/2003US6626364 High speed system for embedding wire antennas in an array of smart cards
09/30/2003US6625872 Inserting supporting plate through through hole of flattened tubular compact, sintering compact while plate is located in through hole, such that axial direction of compact is arranged horizontally during sintering
09/25/2003WO2003079380A1 Toroidal core winding machine
09/25/2003US20030181056 Method of etching a magnetic material film stack using a hard mask
09/25/2003US20030179511 Detectors, computers; reducing electrical resistance; multilayer laminate
09/25/2003US20030179064 Method of making photolithographically-patterned out-of-plane coil structures
09/25/2003US20030178118 An interface between the core layer and the cladding layer has a concave and convex pattern for information to form a waveguide and a reference beam is introduced into core layer for reconstructing the recorded informations
09/25/2003US20030178103 Pressing and compacting an alloy powder for the rare earth sintered magnets, to form a plurality of green compacts, arranging the green compacts on a receiving plane, and heating to sinter the green compacts to form sintered bodies
09/24/2003EP1347475A1 Laminated circuit board and production method for electronic part, and laminated electronic part
09/24/2003EP1347473A1 Substrate-mounted common mode choke coil and method of manufacture thereof
09/24/2003EP1346381A1 Band coil
09/24/2003CN1444238A Sintering method for compact coil and its equipment
09/24/2003CN1444051A Low-intensity magnetic field and its mfg. method using printed circuit board mfg. technology
09/24/2003CN1122287C Process for producing sintered rare-earth magnet
09/23/2003US6624987 Magnetic head with a tunnel junction including metallic material sandwiched between one of an oxide and a nitride of the metallic material
09/23/2003US6624735 Three-terminal variable inductor and method of making the same
09/23/2003US6624734 DC voltage/current heating/gelling/curing of resin encapsulated distribution transformer coils
09/23/2003US6624498 Micromagnetic device having alloy of cobalt, phosphorus and iron
09/23/2003US6623878 Diffusion of silver conductor into the ferrite portion can be prevented as glass acts as an adjuvant in sinterinf and decreases sintering temperature
09/23/2003US6622954 Coil winder and wire winding method
09/18/2003WO2003077287A2 Etching methods for a magnetic memory cell stack
09/18/2003WO2003077267A1 Oil filter system
09/18/2003US20030175546 Alternating iron, platinum layers
09/18/2003US20030174435 Method and apparatus for providing an aligned coil for an inductive head structure using a patterned seed layer
09/18/2003US20030172997 Cooling roll, ribbon-shaped magnetic materials, magnetic powders and bonded magnets
09/18/2003US20030172783 Process for producing bundles of laminated sheet metal for magnet cores
09/18/2003US20030172519 Method and device for machining stacked core
09/18/2003CA2468223A1 Oil filter system
09/17/2003EP1345242A1 Process and device for bonding compact coils
09/17/2003CN2574194Y Sheet inductor winder
09/17/2003CN1443357A Thin film rare earth permanent magnet, and method for mfg. same
09/17/2003CN1443356A Hydraulic-composition bond magnet
09/17/2003CN1442258A Hydrogen blasting furnace for breaking rare earth permanent magnetic material and hydrogen blasting technology
09/16/2003US6621399 Alloy comprising 1-10 wt % Si, 0.1-1. 0 wt % O, and balance Fe. An insulator comprising SiO2 and MgO
09/16/2003US6620530 Synthetic anti-parallel spin valve, having improved robustness, and process to manufacture it
09/16/2003US6620481 Magnetic recording medium, magnetic recording medium manufacture method, and information regeneration apparatus
09/16/2003US6620376 Equipping with superficial high resistance surface later, densifying under pressure, shock densifying
09/16/2003US6620337 Composite magnetizer, composite magnetizer sheet, and methods of manufacturing the same
09/16/2003US6618939 Resonates with a radio wave transmitted at a particular frequency;stamping out a metal foil having a thermal adhesion adhesive
09/12/2003WO2003075292A1 Composite permanent magnet
09/12/2003WO2002084647A8 Antiferromagnetic layer system and methods for magnetically storing data in antiferromagnetic layer systems of the like
09/11/2003US20030170989 Etched oxide layer forming interconnect metallization trench within the oxide layer, after etching via, second inductor trench, interconnect metallization trench and first inductor trench are filled with copper
09/11/2003US20030170985 Etching methods for a magnetic memory cell stack
09/11/2003US20030170484 Coating perovskite oxides on single crystal structured substrates, then oxidizing in oxygen or air to from metal oxide layers for use in magnetic heads or detectors
09/11/2003US20030170471 Ferromagnetic optically variable pigments consisting of multilayer flakes of light reflectors, transmitters and adsorbers, used in documents; anticounterfeiting
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