Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
05/2004
05/27/2004US20040101978 Method of forming a barrier layer of a tunneling magnetoresistive sensor
05/27/2004US20040101702 Magnetic tunnel junction device and method for fabricating the same
05/27/2004US20040101429 Powder metallurgy; pressing powder in mold; compaction; rare earth alloy magnet
05/27/2004US20040100729 High speed switches; reducing edge stress anisotropy; transducer, disk drive
05/27/2004US20040100348 Transformers using coil modules and related manufacturing method thereof
05/27/2004US20040099347 Electromagnets comprising ferritic or austenitic steels, for use as fuel controllers in internal combustion engines
05/27/2004DE10295875T5 Gepresste und wärmebehandelte weichmagnetische Pulverlegierung auf Eisenbasis Pressed and heat treated soft magnetic iron-based alloy powder
05/27/2004DE10252435A1 Oven-hardening of coils rotated to prevent resin from dripping-off, passes direct current through coil conductors to cause heating
05/26/2004EP1421593A1 Methods and apparatus for depositing magnetic films
05/26/2004EP1421592A1 Superconducting coil fabrication
05/26/2004CN1500157A Method for forming electroplated coating on surface of article
05/26/2004CN1499914A Structure for installing magnetic core winding on service
05/26/2004CN1499543A Method for producing soft magnetic material
05/26/2004CN1499520A Ferromagnetic layer for magnetoresistance component
05/26/2004CN1151520C Metal/ferrite laminate magnet and mfg. process thereof
05/26/2004CN1151519C Method for forming inductor with single-piece iron core
05/26/2004CN1151517C Adhered rare-earth permanent magnet with low temp coefficient and its preparing process
05/25/2004US6741154 Low-temperature burnt ferrite material and ferrite parts using the same
05/25/2004US6740397 Subseedlayers for magnetic recording media
05/21/2004WO2004042754A1 Bulk amorphous metal inductive device
05/21/2004WO2004042753A1 Magnetic nanostructure and method for making same
05/21/2004WO2004042752A1 Method for producing ferromagnetic material, said material and its use
05/21/2004WO2004042749A1 Electrical contact between thin varnished wires of the secondary winding of an ignition coil
05/21/2004WO2004042746A2 Bulk laminated amorphous metal inductive device
05/21/2004WO2004042735A1 Bilayer cmp process to improve surface roughness of magnetic stack in mram technology
05/20/2004US20040096781 Method for producing an electrically conductive structure on a non-planar surface and the use of said method
05/20/2004US20040096573 System and method for vibration-assisted flow of encapsulating material in ignition coils
05/20/2004US20040095801 Thermally-assisted magnetic writing using an oxide layer and current-induced heating
05/20/2004US20040095689 Method of making a solid state inductor
05/20/2004US20040095222 Integrated circuit transformer for radio frequency applications
05/20/2004US20040095220 Transformer using coil modules and related manufacturing method thereof
05/20/2004US20040094653 Method and apparatus for winding a coil
05/19/2004EP1420418A1 R-Fe-B sintered magnet
05/19/2004EP1419569A1 Sensor magnet integrated in the commutator
05/19/2004EP1419510A1 Magnetically hard object and method for adjusting the direction and position of a magnetic vector
05/19/2004EP1419509A1 Permanent magnet for electromagnetic device and method of making
05/19/2004EP0992043B1 Coil winder and coil winding method
05/19/2004DE10251841A1 Electrical connector for rod-shaped ignition coil, has contact spring which is displaced across contact region, and makes contact with secondary coil when in end position
05/19/2004CN1498429A Magnetoresistive device and its producing method
05/19/2004CN1497623A Method for forming metal coating and method for manufacturing chip electronic element
05/19/2004CN1497619A Stach coil device and manufacturing method thereof
05/19/2004CN1497617A Sintered R-Fe-B series permanent magnet and its manufacturing method
05/19/2004CN1150657C Magnetostatic wave device
05/19/2004CN1150572C Method for calcining magnetic core
05/19/2004CN1150571C Multi-layer transformer apparatus and method
05/18/2004US6738240 Microtransformer for system-on-chip power supply
05/18/2004US6737951 Bulk amorphous metal inductive device
05/18/2004US6737949 Electromagnetic clutch coil assembly and manufacturing method thereof
05/18/2004US6737012 Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
05/18/2004US6736909 Bulk exchange-spring magnet, device using the same, and method of producing the same
05/18/2004US6735848 Plurality of nested coils impregnated with epoxy resin; wide bore for use in a nuclear magnetic resonance (nmr) spectrometer
05/13/2004WO2004040665A2 Etch-stop material for improved manufacture of magnetic devices
05/13/2004WO2004040603A1 Method for producing an element composing an annular microstructure
05/13/2004WO2004040602A2 Patterning metal stack layers of magnetic switching device, utilizing a bilayer metal hardmask
05/13/2004WO2004040598A1 Coupling device
05/13/2004US20040092079 Method for fabricating a microelectronic circuit and microelectronic circuit
05/13/2004US20040091745 Coercive force; suppressed inverse magnetic domain; die residual magnetic flux density
05/13/2004US20040091743 Regulating saturation lambda s; stability; thinness; sensi-tivity
05/13/2004US20040090718 Magnetoresistive sensor with antiparallel coupled lead/sensor overlap region
05/13/2004US20040090301 Apparatus and methods for forming torodial windings for current sensors
05/13/2004US20040090299 Method of manufacturing discrete electronic components
05/13/2004US20040090298 Variable inductor and method for adjusting inductance of same
05/13/2004US20040088841 Method of manufacturing discrete electronic components
05/13/2004DE19963718B4 Verfahren zum Herstellen eines Magnetventils, Magnetventil und Kraftstoffpumpe mit Magnetventil A method for manufacturing a solenoid valve, magnetic valve and the fuel pump with a solenoid valve
05/13/2004DE10349594A1 Verfahren zur Herstellung eines weichmagnetischen Materials A process for producing a soft magnetic material
05/13/2004DE10249207A1 Verfahren zur Herstellung eines ringförmigen Mikrostrukturelementes A method for producing an annular microstructure element
05/13/2004DE10010082B4 Magnetische Keramikzusammensetzung und deren Verwendung in einer Induktorkomponente Magnetic ceramic composition and its use in an inductor component
05/13/2004CA2504176A1 Coupling device
05/12/2004EP1418597A1 Method for producing ferromagnetic garnet material, garnet material and its use
05/12/2004EP1417658A1 Printed bias magnet for electronic article surveillance marker
05/12/2004EP1135783A4 Capacitance-coupled high dielectric constant embedded capacitors
05/12/2004EP1019926B1 Inductive component and method for making same
05/12/2004EP0970490B1 A core for a controllable inductor and a method for producing thereof
05/12/2004EP0912768B1 Method for making an electric sheet steel with oriented grains for the manufacture of transformer magnetic circuits in particular
05/12/2004CN1496214A Transformer and transformer unit with said transformer
05/12/2004CN1495814A Microelectronic element bearer and mfg. method thereof
05/12/2004CN1495812A Wound electronic component
05/12/2004CN1495811A Wound electronic component
05/12/2004CN1495810A Laminated ceramic chip inductor
05/11/2004US6734074 Micro fabrication with vortex shaped spirally topographically tapered spirally patterned conductor layer and method for fabrication thereof
05/11/2004US6733828 Incorportating oppositely charged molecule inside mesoporous structure; ion exchanging or wet impregnating with trialkoxy-silyl alkylcationic or alkylanionic functionalized material and reacting
05/11/2004US6733587 Process for fabricating an article comprising a magneto-optic garnet material
05/11/2004US6732998 Method of forming laminated core and electromagnetic type valve driving device
05/06/2004WO2004038893A1 Rotor for dynamo-electric machine
05/06/2004WO2004038740A1 Heat treatment of soft magnetic components
05/06/2004WO2004038739A2 Sigh performance magnetic materials with low flux-aging loss
05/06/2004WO2004038055A1 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
05/06/2004WO2003017479A3 Electronic device and method of testing and of manufacturing
05/06/2004US20040087039 Two-step magnetic tunnel junction stack deposition
05/06/2004US20040087038 Bilayer cmp process to improve surface roughness of magnetic stack in mram technology
05/06/2004US20040087037 Etch-stop material for improved manufacture of magnetic devices
05/06/2004US20040086752 For use in magnetic head for magnetic recording such as a hard disk drive (HDD) and a magnetic random access memory (MRAM)
05/06/2004US20040086751 GMR magnetic detecting element comprising current limiting layer provided in free magnetic layer and method of manufacturing the detecting element
05/06/2004US20040086750 Antiferromagnetic layer system and methods for magnectically storing data in anti-ferromagnetic layer system of the like
05/06/2004US20040086708 High permeability soft magnetic composites
05/06/2004US20040086412 Low iron loss, high density, high strength; surface oxidation step of forming an oxide film on the surface of a soft magnetic powder before sintering
05/06/2004US20040086146 Magnetic circuit for speaker, method of manufacture thereof, and speaker using same
05/06/2004US20040085687 Ferromagnetic layer for magnetoresistive element
05/06/2004US20040085177 Electrical conductor winding and a method of manufacturing an electrical conductor winding
05/06/2004US20040085174 Bulk laminated amorphous metal inductive device