Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
04/2005
04/12/2005US6877214 Method of manufacturing a stack of laminations
04/12/2005CA2178372C Ignition coil with non-filtering/non-segregating secondary winding separators
04/07/2005WO2005031769A1 Ignition coil for an internal combustion engine and method for the production thereof
04/07/2005WO2005031762A2 Magnetic thin film for high frequency and its production method, and magnetic element
04/07/2005WO2005030528A2 Solenoid coil having interior terminals and method for fixing
04/07/2005WO2005006358A3 Method for the production of a component and arrangement of permanently magnetic pole bodies
04/07/2005WO2004105063A3 Transformer winding and production method thereof
04/07/2005WO2004102596A3 Coupled high temperature superconductor coils
04/07/2005WO2004070740A3 Low core loss amorphous metal magnetic components for electric motors
04/07/2005WO2004036603A8 Litz wire fixation for low building height
04/07/2005US20050074600 Thick film magnetic nanopaticulate composites and method of manufacture thereof
04/07/2005US20050074553 System and method for applying varnish to an electrical coil
04/07/2005US20050073386 Small coil and method of manufacturing the same
04/07/2005US20050072955 Dimensional accuracy, strength; cracking and peeling resistance; transformer cores, choke coils, magnetic heads
04/07/2005US20050072950 Electromagnetic actuator, manufacturing method thereof, and fuel injection valve
04/07/2005DE19547091B4 Antennenspule mit oberflächenmontierbarem Gehäuse und Verfahren zu deren Herstellung Antenna coil with oberflächenmontierbarem housing and processes for their preparation
04/07/2005DE10392460T5 Ringspulen-Wickelmaschine Toroid winding machine
04/06/2005EP1521276A2 Composite sintered magnetic material, its manufacturing method, and magnetic element using composite sintered magnetic material
04/06/2005EP1520321A1 Miniature rf and microwave components and methods for fabricating such components
04/06/2005EP1331649B1 Method and apparatus for producing keystone type superconducting formed strand
04/06/2005CN2691028Y Iron core turnover table
04/06/2005CN2691027Y T-shape rack for assembling transformer iron core
04/06/2005CN1605110A Corrosion-resistant rare earth element magnet
04/06/2005CN1604243A System and method for improving connectivity of multiple parallel connectors
04/06/2005CN1603468A Dry etching method for magnetic material
04/06/2005CN1602805A Multiple ring polefaceless permanent magnet and method of making
04/06/2005CN1196151C Microelectronic Component carrier and method of its manufacture
04/06/2005CN1196148C Moulded resin transformers and manufacture thereof
04/06/2005CN1195600C Method for producing rare-earth alloy magnetic powder shaping body and method for producing rare-earth magnet
04/05/2005US6876527 Magnetoresistive sensor with antiparallel coupled lead/sensor overlap region
04/05/2005US6876525 Giant magnetoresistance sensor with stitched longitudinal bias stacks and its fabrication process
04/05/2005US6876522 GMR spin valve structure using heusler alloy
04/05/2005US6876521 Method of making a solid state inductor
04/05/2005US6876286 Inductor and method of producing the same
04/05/2005US6876285 High density multi-layer microcoil and method for fabricating the same
04/05/2005US6875526 Magnetic ceramic body overcoated with dielectric, circuit pattern; shrinkage inhibition; noncracking
04/05/2005US6875522 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
04/05/2005US6875270 Magnetic garnet single-crystal film and method of producing the same, and Faraday rotator comprising the same
03/2005
03/31/2005US20050069707 Soft magnetic particles methods of making and articles formed therefrom
03/31/2005US20050068834 Magnetic random access memory (MRAM) having a magnetic tunneling junction (MTJ) layer including a tunneling film of uniform thickness and method of manufacturing the same
03/31/2005US20050068688 Magnetoresistance effect element, method of manufacturing same and magnetic head utilizing same
03/31/2005US20050068138 Multiple ring polefaceless permanent magnet and method of making
03/31/2005US20050067058 Sintered R-Fe-B permanent magnet and its production method
03/30/2005EP1519417A2 Magnetic random access memory comprising MTJ layer and method of manufacturing
03/30/2005CN2689423Y Positioning seat of silicon steel sheets
03/30/2005CN2689422Y Fabrics wrapping mechanism for small transformer tin-sinking and wrapping apparatus
03/30/2005CN1601661A Method of prepn of ferrite from waste zinc-magnesium battery
03/30/2005CN1601660A Permanent magnet alloy for medical imaging system and method of making
03/30/2005CN1600521A Controlled gel of parts and/or hardening and/or cooling method and appts.
03/30/2005CN1195305C Fe304 micro particles and its preparing method
03/29/2005US6873500 Exchange coupling film capable of improving playback characteristics
03/29/2005US6873242 Magnetic component
03/29/2005US6873239 Bulk laminated amorphous metal inductive device
03/29/2005US6872326 In which magnetic powder is manufactured by milling ribbon shaped magnetic material which has been obtained by colliding molten alloy of a magnetic material to circumferential surface of a rotating cooling roll so as to cool and solidify it
03/29/2005US6872325 A process for making a magnetic composite which comprises providing a polymeric resin and a magnetic powder, the magnetic powder having a mean particle size with a value for standard deviation that is less than the value for the mean
03/29/2005US6872260 Deposited-film forming apparatus
03/29/2005US6872255 Device for processing an electrically conductive component
03/29/2005US6871391 Method of manufacturing laminated ceramic electronic component and laminated ceramic electronic component
03/24/2005WO2005027193A2 Embedded toroidal inductors
03/24/2005WO2005027155A1 A method of making a three-phase transformer with triangular core structure and a three-phase transformer with triangular core structure thereof
03/24/2005WO2005027154A1 Magnetic thin film for high frequency, method for manufacturing the same, and magnetic element
03/24/2005US20050062575 Integrated transformer
03/24/2005US20050062572 Permanent magnet alloy for medical imaging system and method of making
03/24/2005US20050061401 Method for producing magnetostrictive element and sintering method
03/24/2005US20050060874 Method for processing work piece including magnetic material and method for manufacturing magnetic recording medium
03/23/2005EP1517341A2 Electromagnetic actuator, manufacturing method thereof, and fuel injection valve
03/23/2005EP1517149A2 Magnetic encoder and wheel support bearing assembly utilizing the same
03/23/2005CN1599978A Integrated balun and transformer structure
03/23/2005CN1598980A Winding machine system
03/23/2005CN1598979A Assembling method of voltage regulator
03/23/2005CN1598977A Rare earth iron-base room-temp mangnetic refrigerant material and preparation method thereof
03/23/2005CN1598593A Magnetic encoder and wheel support bearing assembly utilizing the same
03/23/2005CN1598382A Electromagnetic actuator, manufacturing method thereof, and fuel injection valve
03/23/2005CN1194357C Soft magnetic iron core press formed from powdered iron in automobile ignition coil and its manufacturing method
03/23/2005CN1194116C Sputtering target and antiferromagnetic film and magneto-resistance effect element formed by using same
03/23/2005CN1193850C Method for mfg. powder formed body and method for mfg. magnet
03/23/2005CN1193843C Cooling roller, thin-band-shape magnet material, magnet power and bonding magnet
03/22/2005US6870456 Integrated transformer
03/22/2005US6868885 Apparatus for manufacturing laminated member
03/17/2005WO2005024862A1 Fractional turns transformers with ferrite polymer core
03/17/2005WO2005024859A1 Soft magnetic material and method for producing same
03/17/2005WO2005023464A1 Iron based soft magnetic powder
03/17/2005WO2005023462A1 Rare earth magnet powder and method for production thereof
03/17/2005WO2005002308A3 Pieces for passive electronic components and method for production thereof
03/17/2005WO2004109891A3 Product and method for making a three dimensional amorphous metal mass
03/17/2005US20050058772 applying epoxy resins containing metal intercalated aluminosilicates or clays and diluents, to damaged mica dielectrics, then curing to form uniform patches for maintenance
03/17/2005US20050058376 Magnetic encoder and wheel support bearing assembly utilizing the same
03/17/2005US20050057335 Method of manufacturing 3-D spiral stacked inductor on semiconductor material
03/17/2005US20050056542 Plating tool, plating method, electroplating apparatus, plated product, and method for producing plated product
03/17/2005DE10348810A1 Manufacture of amorphous soft magnetic core having excellent high-frequency characteristic, used in e.g. choke coils, by performing thermal treatment of iron-based amorphous metal ribbons produced, by using rapid solidification process
03/16/2005EP1514282A1 Soft magnetic powder composite material, method for the production thereof and use of the same
03/16/2005CN1596321A Magnetic base material, laminate from magnetic base material and method for production thereof
03/16/2005CN1595560A Manufacturing method of ceramic raw sheet and manufacturing method of electronic member using the ceramic raw sheet
03/16/2005CN1193384C Rare-earth metal based permanent magnets with corrosionproof film and manufacture thereof
03/16/2005CN1193383C Magnetic hud fine particles possessing strong magnetic field response capability and its preparing method
03/16/2005CN1193115C Electrolytic copper-plated R-T-B magnet and method thereof and electrolytic copper solution
03/15/2005US6867133 Method of manufacturing chip inductor
03/15/2005US6866765 Electrolytic copper-plated R-T-B magnet and plating method thereof
03/10/2005WO2005022722A1 Coil winding machine
03/10/2005WO2005022653A2 Magnetoresistive random access memory with reduced switching field variation