Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
11/2002
11/27/2002EP1260285A2 Coil handling device
11/27/2002CN2523001Y 薄膜分离装置 Membrane separation apparatus
11/27/2002CN1381853A Method and apapratus for assembling electromagnetic rotor
11/27/2002CN1381852A Ferromagnetic metal-base powder, iron-dust core made of it and manufacturing method for ferromagnetic metal-base powder
11/26/2002US6487470 Method and apparatus for determining magnet wire production die sets
11/26/2002US6486763 Inductive component and method for making same
11/26/2002US6485542 Good corrosion resistance and magnetic properties;
11/26/2002US6484960 Coil winding machine and method of producing deflection coil
11/26/2002US6484387 Progressive stamping die assembly having transversely movable die station and method of manufacturing a stack of laminae therewith
11/21/2002US20020173429 Process for the production of a coil made of a high temperature superconductor material, and a high-temperature supercoducting coils having low ac loss
11/21/2002US20020172028 Connector carrier and method for connecting the connector carrier to an injection molded part
11/21/2002US20020171528 Process for producing resonant tag
11/21/2002US20020171526 Method and apparatus for magnetizing a permanent magnet
11/21/2002US20020171065 Circuit elements having an embedded conductive trace and methods of manufacture
11/21/2002US20020170821 Mechanically alloyed precious metal magnetic sputtering targets fabricated using rapidly solidified alloy powders and elemental Pt metal
11/21/2002US20020170745 Multilayer board combound and method for the manufacture thereof
11/21/2002US20020170166 High temperature superconducting racetrack coil
11/21/2002US20020170162 Method and device for testing and energization-heating a stator coil
11/21/2002DE10212930A1 Induktorkomponente mit einem Permanentmagnet für magnetische Vorspannung und Herstellungsverfahren derselben Inductor having a permanent magnet for magnetic bias and production method thereof
11/20/2002EP1258930A2 Magnetic tunneling junction and fabrication method thereof
11/20/2002EP1050056B1 Magnetic engraving method, in particular for magnetic or magneto-optical recording
11/20/2002CN2521730Y Transformer winding conductor conversion spanner
11/20/2002CN1381073A Fractal structure and its forming method
11/20/2002CN1380690A Method for making inductance component on chip
11/20/2002CN1380664A Method for manufacturing laminated ceramic electronic element, and method for mfg. laminated inductor
11/19/2002US6483414 Method of manufacturing multilayer-type chip inductors
11/19/2002US6483413 Laminated inductor
11/19/2002US6483409 Bead inductor
11/19/2002US6482657 Methods of manufacturing tunnel magnetoresistive element, thin-film magnetic head and memory element
11/19/2002US6482353 Method for manufacturing rare earth magnet
11/19/2002US6482329 Method for manufacturing magnetoresistance element
11/19/2002US6481993 Process and apparatus for supplying rare earth metal-based alloy powder
11/19/2002US6481092 Electromagnetic coil, and method and apparatus for making same
11/14/2002US20020167769 Spin-valve magnetoresistive thin film element
11/14/2002US20020167389 Multilayer inductor and production method thereof
11/14/2002US20020167387 Chip inductor and manufacturing method therefor
11/13/2002EP1256964A1 Electromagnetic clutch coil assembly and manufacturing method thereof
11/13/2002CN1379418A Inductance element containing permanent magnet for bias magnet and its making method
11/13/2002CN1379417A Sintered ring magnet
11/13/2002CN1094240C 一种气氛烧结贱金属内导体制备叠层片式电感的方法 An atmosphere within the conductor base metal sintering preparation method Multilayer Chip Inductors
11/12/2002US6480085 Transformer bobbin
11/12/2002US6480084 Inductance element and manufacturing method thereof, and snubber using thereof
11/12/2002US6480083 Coil device and method for manufacturing the same
11/12/2002US6479176 Gradient interface magnetic composites and methods therefor
11/12/2002US6478975 Inductor and fabricating method thereof
11/12/2002US6478920 Chip-type circuit component and method of manufacturing the same
11/12/2002US6478884 Multilayer; antiferromagntic layer; ferromagnetic layer and nonmagnetic layer
11/12/2002US6477762 Method and device for producing a wave winding for stators or rotors of electric engines
11/07/2002WO2002089159A1 Method for producing coil structures
11/07/2002WO2002089157A1 Multilayer coil and its manufacturing method
11/07/2002WO2002089154A1 Manufacturing soft magnetic components using a ferrous powder and a lubricant
11/07/2002WO2002089153A1 Solid material for magnet
11/07/2002WO2002088423A1 Copper plating solution and method for copper plating
11/07/2002US20020163818 Magnetic device and method of manufacture therefor
11/07/2002US20020163758 Thin film magnetic head and method of manufacturing the same
11/07/2002US20020163414 Coil-based electronic & electrical components (such as coils, transformers, filters and motors) based on nanotechnology
11/07/2002US20020163410 Two-part solenoid and method for the production thereof
11/07/2002CA2446040A1 Manufacturing soft magnetic components using a ferrous powder and a lubricant
11/06/2002EP1253987A1 Iron powder and method for the preparation thereof
11/06/2002EP1062376B1 Method of applying a corrosion-resistant coating
11/06/2002CN1378222A Method and device for producing core material of iron core
11/06/2002CN1378221A High frequency E-type and I-type film transformer and its preparing method
11/05/2002US6476485 Thin-film structure having reliably removable oxide layer formed on bump exposed at surface of insulating layer and manufacturing method therefor
11/05/2002US6474371 Powder feeding apparatus, powder feeding method and powder pressing apparatus
11/05/2002US6473961 Method of manufacturing magnetic cores for power transformers
11/05/2002US6473960 Method of making nitrided active elements
10/2002
10/31/2002WO2002086922A1 Micro-replicated miniaturised electric components
10/31/2002WO2002086921A1 3-limb amorphous metal cores for three-phase transformers
10/31/2002WO2002086918A1 Solenoid valves actuator encapsulation
10/31/2002WO2002085810A1 Method for the production of ferrite magnets
10/31/2002US20020160195 Partial coverage metal nanoshells and method of making same
10/31/2002US20020159909 Case for use in sintering process to produce rare-earth magnet, and method for producing rare-earth magnet
10/31/2002US20020159206 Magnetoresistive device and method of manufacturing same, thin-film magnetic head and method of manufacturing same, head gimbal assembly and hard disk drive
10/31/2002US20020158744 Apparatus and method for the manufacture of large transformers having laminated cores, particularly cores of annealed amorphous metal alloys
10/31/2002US20020158739 Coil -embedded dust core and method for manufacturing the same
10/31/2002US20020158737 Magnetic material and inductor
10/31/2002US20020158534 Method of manufacturing rare earth thick film magnet, motor and actuator comprising rare earth thick film magnet manufactured by the manufacturing method, and method of manufacturing same
10/31/2002US20020157724 Device for formation of skeined sections on thin metallic wires
10/31/2002US20020157240 Method for producing a flat coil
10/31/2002US20020157238 Method of manufacturing magnetoresistive device and method of manufacturing thin-film magnetic head
10/31/2002DE10120519A1 Verfahren zur Herstellung von Spulenstrukturen A process for the production of coil structures
10/30/2002EP1253608A1 Method for making impregnated electrical compontents
10/30/2002EP1253607A1 Inductance part and its manufacturing method
10/30/2002EP1253605A2 Power supply unit having transformer-mounted substrate, and recording apparatus including power supply unit
10/30/2002EP0873568B1 Ballast for discharge lamp and method and apparatus for manufacturing the same
10/30/2002CN1377071A Process for preparing semiconductor device containing high-Q inductor and its structure
10/30/2002CN1377046A Electromagnetic spool device and manufacturing method thereof
10/29/2002US6472285 Method for fabricating high-Q inductance device in monolithic technology
10/29/2002US6471583 Method of machining rare earth alloy and method of fabricating rare earth magnet using the same
10/24/2002WO2002084680A1 Method for defining reference magnetizations in layer systems
10/24/2002WO2002084676A1 Magnetic core and magnetic core-use adhesive resin composition
10/24/2002WO2002084647A2 Antiferromagnetic layer system and methods for magnetically storing data in antiferromagnetic layer systems of the like
10/24/2002WO2002083974A1 Pt-co based sputtering targets
10/24/2002WO2002063658A3 Self aligned, magnetoresitive random-access memory (mram) structure utilizing a spacer containment scheme
10/24/2002US20020154444 Disk storage system, thin film magnetic head therefor and fabricating method thereof
10/24/2002US20020153636 Composite coating for mold insert and method for making a coated mold insert
10/24/2002US20020153258 Providing integrated circuit device substrate; forming a first patterned photoresist layer over substrate; forming a magnetic material layer or an electrically conductive material layer in pattern; insulating and planarizing photoresist layer
10/24/2002US20020153066 Coercive force and maximum energy product
10/24/2002US20020153062 Centrifugal casting method, centrifugal casting apparatus, and cast alloy produced by same
10/24/2002US20020153061 Filling rare earth allow powder in a cavity formed by inserting lower punch into through hall of a die of a powder compacting machine; pressing rare earth alloy powder while applying a magnetic field, repeating to produce compact