Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
08/2002
08/13/2002US6432554 Apparatus and method for making an electrical component
08/13/2002US6432354 Method and apparatus for feeding magnetic powder and method for manufacturing magnet
08/13/2002US6432223 Hot rolling a metal for magnetic recording material
08/13/2002US6432158 Method and apparatus for producing compact of rare earth alloy powder and rare earth magnet
08/13/2002US6431956 Surface treatment in a fabrication of a multilayered chip component
08/08/2002WO2002061773A1 Method for winding onto a toroidal core
08/08/2002WO2002061771A1 Coil
08/08/2002WO2002060677A1 Powder molding method
08/08/2002US20020106533 Structure and plating method of thin film magnetic head and magnetic storage apparatus
08/08/2002US20020106532 Soft magnetic film having improved resistivity
08/08/2002US20020105823 Magnetic spin polarisation and magnetisation rotation device with memory and writing process, using such a device
08/08/2002US20020105788 Method of manufacturing laminated ceramic electronic component and laminated ceramic electronic component
08/08/2002US20020105406 On-chip transformers
08/08/2002US20020105405 Method of fabricating silver inductor
08/08/2002US20020105052 Method of manufacturing laminated ceramic electronic component, and laminated ceramic electronic component
08/08/2002US20020105035 Self-aligned, magnetoresitive random-access memory (MRAM) structure utilizing a spacer containment scheme
08/07/2002EP1228528A1 Magnetic pole fabrication process and device
08/07/2002EP1228517A1 Method of manufacturing a substantially closed core, core, and magnetic coil
08/07/2002CN2504744Y Annular coil auxiliary coilling device
08/07/2002CN1363101A Thin permanent-magnet film and process for producing same
08/07/2002CN1088637C Welding method
08/06/2002US6430012 Multilayer; spin valve
08/06/2002US6429764 Microcomponents of the microinductor or microtransformer type and process for fabricating such microcomponents
08/06/2002US6429763 Apparatus and method for PCB winding planar magnetic devices
08/06/2002US6429497 Method for improving breakdown voltage in magnetic tunnel junctions
08/06/2002US6428869 Peel and strip magnets and method of manufacture thereof
08/06/2002US6428714 Protective layer for continuous GMR design
08/06/2002US6427315 Coil component and manufacturing method for the same
08/01/2002WO2002060220A1 An electroacoustic transducer
08/01/2002WO2002060041A2 Flat coil
08/01/2002WO2002059920A1 Coil and method for making same
08/01/2002WO2002059915A2 Wire core inductive devices having a biassing magnet and methods of making the same
08/01/2002WO2002059226A2 Partial coverage metal nanoshells and method of making same
08/01/2002WO2002058865A1 Compressed and heat treated soft magnetic iron-based powder alloys
08/01/2002US20020103495 Methods and devices using magnetic force to form an anastomosis between hollow bodies
08/01/2002US20020102436 Free layer, whose magnetized direction is changed according to an external magnetic field, and a pin layer, whose magnetized direction is unchanged, are laminated through an insulative layer, and to a magnetic head
08/01/2002US20020102428 Fabrication of periodic surface structures with nanometer-scale spacings
08/01/2002US20020102427 Process for surface-treatment of hollow work having hole communicating with outside, and ring-shaped bonded magnet produced by the process
08/01/2002US20020102319 Apparatus for manufacturing bead inductor
08/01/2002US20020101683 Thin film coil and method of forming the same, thin film magnetic head, thin film inductor and thin film magnetic sensor
08/01/2002US20020101321 Transformer
08/01/2002DE10104717C1 Verfahren zum Bewickeln eines kleinen Ringkerns A method of winding a small ring core
08/01/2002CA2435932A1 An electroacoustic transducer
08/01/2002CA2435249A1 Wire core inductive devices having a biassing magnet and methods of making the same
07/2002
07/31/2002EP1227526A2 Magnetic sensor and method of producing the same
07/31/2002EP1226592A1 Multi-layered planar coil arrangement and method for production of a planar coil arrangement
07/31/2002EP1099217B1 Electric field for magnetic reversal of a thin film
07/31/2002CN1361082A Low-temperature burning ferrite material and ferrite parts produced with the same material
07/31/2002CA2336283A1 Method of manufacturing resonant circuit devices
07/30/2002US6426690 Electromagnetic coil device
07/30/2002US6426267 Method for fabricating high-Q inductance device in monolithic technology
07/30/2002US6426156 Magnetostatic wave device
07/30/2002US6426032 Method of injection-molding coil spool of ignition coil device
07/30/2002US6426012 Wet chemical etch process for patterning MRAM magnetic layers
07/30/2002US6425544 Taping device and taping method
07/25/2002WO2002058140A2 Integrated inductor
07/25/2002WO2002058086A1 Granular thin magnetic film and method of manufacturing the film, laminated magnetic film, magnetic part, and electronic device
07/25/2002WO2002058085A1 Dust core and method for producing the same
07/25/2002US20020097534 Magnetic tunnel junction read head devices having a tunneling barrier formed by multi-layer, multi-oxidation processes
07/25/2002US20020097130 Transformer with controlled interwinding coupling and controlled leakage inductances and circuit using such transformer
07/25/2002US20020097129 Method of fabricating a miniaturized integrated circuit inductor and transformer fabrication
07/25/2002US20020097128 Electronic component and method of manufacturing
07/25/2002US20020097124 Composite magnetic body, and magnetic element and method of manufacturing the same
07/25/2002US20020096493 Dry etching method, microfabrication process and dry etching mask
07/25/2002US20020096345 Device for processing an electrically conductive component
07/24/2002EP1225593A1 Magnetic device based on spin polarization and rotating magnetization, memory and writing procedure utlilizing said device
07/24/2002CN2502387Y Machine for manufacturing flat electric wire coil
07/24/2002CN1360329A Method for mfg. magnetron
07/24/2002CN1360318A Adhered rare-earth permanent magnet with low temp coefficient and its preparing process
07/24/2002CN1360317A Rareearth magnet and making method therefor
07/24/2002CN1088247C Plate inductor
07/24/2002CN1088123C Nano-crystal alloy iron core for pricise current transformer and its making method
07/23/2002US6424506 Spin-valve magnetoresistive thin film element
07/23/2002US6423386 Spheres
07/23/2002US6423369 Inorganic powders on surfaces, fats, oils and media treatment
07/23/2002US6423264 Process for forming rotating electromagnets having soft and hard magnetic components
07/23/2002US6423172 Use of curable ferrofluids; coating with interconnection material, such as solder, to give anisotropic conductive pathways and interconnections useful in electronics industry
07/18/2002US20020094457 Smoothing and stabilization of domain walls in perpendicularly polarized magnetic films
07/18/2002US20020094374 A magentic layer is formed over the substrate, which has a first value, ion implanting a portion of magnetic layer, ion implanted magnetic layer has a second value of magnetic characteristics different from first value
07/18/2002US20020093413 Inductor, transformer and manufacturing method thereof
07/18/2002US20020092898 Process for connecting the winding wire of a coil with a terminal pin
07/18/2002US20020092599 Method of producing laminated ceramic electronic component and laminated ceramic electronic component
07/18/2002DE10164603A1 Production of an iron nitride thin layer used in the production of magnetic heads comprises forming an iron nitride epitaxial layer on a substrate by reacting a vaporized iron
07/17/2002EP1223626A1 Fractal structure and its forming method
07/17/2002EP1222730A1 Method for production of a band
07/17/2002EP1222671A1 Two-part solenoid and method for the production thereof
07/17/2002CN1359118A Method for making multilayer electrode component
07/17/2002CN1359116A Stacked ceramic electronic component and making method
07/17/2002CN1359112A Preparation of nano multilayer high-resistance soft magnetic material by electronic beam gas phase deposition and method thereof
07/17/2002CN1358595A Method for making rareearth permanent magnet material by discharge plasma sintering
07/16/2002US6420954 Coupled multilayer soft magnetic films for high frequency microtransformer for system-on-chip power supply
07/16/2002US6420179 Combinatorial sythesis of organometallic materials
07/16/2002US6419877 Compressed soft magnetic materials
07/11/2002WO2002054420A1 Laminated circuit board and production method for electronic part, and laminated electronic part
07/11/2002WO2002054419A1 Oxide magnetic material exhibiting low magnetic loss
07/11/2002US20020090755 Magnetic thin film, a magnetic component that uses this magnetic thin film, manufacturing methods for the same, and a power conversion device
07/11/2002US20020089403 Method for forming a resin molding for a coil of a transformer
07/11/2002US20020089402 Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
07/11/2002US20020088892 Coil winder and wire winding method
07/11/2002US20020088706 Polycrystalline structure film and method of making same