Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
06/2004
06/24/2004US20040119064 Methods of forming three-dimensional nanodot arrays in a matrix
06/24/2004US20040118484 Sintered body
06/24/2004DE10356745A1 Zündspulenvorrichtung und Herstellungsverfahren dafür Ignition coil and production method thereof
06/24/2004CA2507625A1 Particles
06/23/2004EP1431987A2 Electrical device, transformer or inductor, and method of manufacturing electrical device
06/23/2004EP1430476A1 Magnetic thin film disks with a nonuniform composition
06/23/2004CN1507637A Magentic core and magnetic core-use adhesive resin composition
06/23/2004CN1506984A Permanent magnetic RE material
06/23/2004CN1506475A Making process of alloy for magnetic core of transformer
06/23/2004CN1155025C Flat shape electronic component and its mfg. method
06/23/2004CN1155023C Compound magnetic material and making method
06/22/2004US6754048 Multiple magnetoresistive (MR) layer sensor element having longitudinal bias layers with non-parallel magnetizations
06/22/2004US6753682 Weak-magnetic field sensor using printed circuit board manufacturing technique and method of manufacturing the same
06/22/2004US6753192 Preparation of ultrathin magnetic layer on semiconductors
06/22/2004US6752932 Ferrite core and its production method
06/22/2004US6752343 Winding fabrication method and apparatus for electric coils
06/22/2004US6751847 Laser-assisted fabrication of NMR resonators
06/17/2004WO2004051678A1 Method for producing corrosion-resistant rare earth based permanent magnet, corrosion-resistant rare earth based permanent magnet, dip spin coating method for work piece, and method for forming coating film on work piece
06/17/2004US20040116945 Components, systems and methods for forming anastomoses using magnetism or other coupling means
06/17/2004US20040115839 Magnetoresistive element and method for producing the same, as well as magnetic head, magnetic memory and magnetic recording device using the same
06/17/2004US20040115461 Method of manufacturing the magnetic film having a multiple-axis
06/17/2004US20040115340 Depositing particles comprising at least one coating on a substrate; andreflowing the particles to at least partially melt the coating, thereby forming a substantially continuous solidified solder material
06/17/2004US20040113740 Transformer and transformer unit having the same
06/17/2004US20040113738 Integrated circuit inductor with a magnetic core
06/17/2004US20040113628 Method for inspecting ignition device for internal combustion engine and inspection device
06/17/2004US20040113118 Image forming apparatus and developing device therefor
06/17/2004US20040112734 Nonmagnetic undercoatings, magnetic layer and protective coatings
06/17/2004US20040112468 Continuous crystallization; hysteresis loops; iron alloy
06/17/2004US20040112467 Production method for permanent magnet and press device
06/17/2004US20040111880 Multilayer electronic part and method of producing the same
06/17/2004DE10255893A1 Method for heating, by means of an alternating electromagnetic field, a material containing magnetic particles involves alignment of the magnetic axes of these particles
06/17/2004DE10125429B4 Supraleitfähige Höchstfeldmagnetspule mit HTS-Spulensektion und Herstellungsverfahren Superconducting high field magnetic coil with HTS coil section and manufacturing processes
06/16/2004EP1429352A1 Electrical device and method of producing the same
06/16/2004CN1505822A Method for producing nanocrystalline magnet cores, and device for carrying out said method
06/16/2004CN1505821A Solid material for magnet
06/16/2004CN1505244A Combined thread-clamping board
06/16/2004CN1505070A Apparatus and method of manufacturing coils
06/16/2004CN1505069A Coil module, transformer having the coil module and manufacturing method thereof
06/16/2004CN1505068A Lamellate power inductor and manufacturing method thereof
06/16/2004CN1154129C Resin molding coil for resin molding transformer
06/16/2004CN1154128C Variable inducer
06/16/2004CN1154127C Wire wound electronic component and method for manfacturing the same
06/15/2004US6751073 Tunneling magnetoresistive element and method of manufacturing the same
06/15/2004US6750068 Method of fabricating a magnetic element with an improved magnetoresistance ratio with an antiparallel top and bottom pinned ferromagnetic layer
06/15/2004US6749928 Producing time is shortened, and crack or warp are hard to occur, reduction of cost can be attained
06/15/2004US6749787 For protecting from chemical attack and abrasive wear caused by the material used to make the magnetic roller
06/15/2004US6749768 Hexagonal capable of sintering at temperature below silver metal or alloy melting point
06/15/2004US6749767 Powder for high strength dust core, high strength dust core and method for making same
06/15/2004US6748645 Aligned modular printed circuit film elements
06/10/2004WO2004049546A1 Flat air core coil and method for producing same
06/10/2004WO2004034410A9 Via-less electronic structures and methods
06/10/2004WO2004025671A3 Electronic transformer/inductor devices and methods for making same
06/10/2004US20040110035 High density magnetic recording medium using FePtC thin film and manufacturing method thereof
06/10/2004US20040108934 Chip type power inductor and fabrication method thereof
06/10/2004US20040108930 Ignition coil device and method of manufacturing the same
06/10/2004US20040108401 Method for winding onto a toroidal core
06/09/2004EP1426982A1 LAMINATED SOFT MAGNETIC MEMBER, SOFT MAGNETIC SHEET AND PRODUCTION METHOD FOR LAMINATED SOFT MAGNETIC MEMBER
06/09/2004EP1425767A1 Micro-replicated miniaturised electric components
06/09/2004EP1425766A1 3-limb amorphous metal cores for three-phase transformers
06/09/2004EP1425765A1 Magnetic component
06/09/2004CN2620361Y Clamping device for iron-core inserting unit of transformer
06/09/2004CN1503854A Pt-Co based sputtering targets
06/09/2004CN1503283A Pigeon tail stay working machine and working method thereof
06/09/2004CN1503001A Magnetic sensor and mfg method, magnet array adapted to said method
06/09/2004CN1153272C Process for preparing semiconductor device containing high-Qi inductor and its structure
06/09/2004CN1153232C Method for making rareearth permanent magnet material by discharge plasma sintering
06/09/2004CN1153231C Vertical and horizontal dual-purpose inductor
06/09/2004CN1153228C Amorphous alloy with increased operating induction
06/09/2004CN1152978C Arc control and switching element protection for pulsed DC power supply
06/08/2004US6746545 Preparation of rare earth permanent magnets
06/08/2004CA2246312C Process for the production of laminated cores and electromagnetic units produced therefrom
06/03/2004US20040105195 Spin valve transistor with stabilization and method for producing the same
06/03/2004US20040105194 Spin valve transistor with stabilization and method for producing the same
06/03/2004US20040103525 Apparatus and method of manufacturing coils
06/03/2004US20040103522 Open pattern inductor
06/03/2004DE10353529A1 Transformer has metal core, and coil modules each having predetermined loop number of coils and encapsulator that comprises plastic material for encapsulating coils
06/03/2004DE10348615A1 Production of soft-magnetic powder cores useful for making magnetic field-generating elements comprises using a resin powder with both lubricant and binder functions
06/02/2004EP1424761A1 Permanent magnet type rotor and method of manufacturing the rotor
06/02/2004EP1424706A1 Apparatus and method of manufacturing coils
06/02/2004EP1424705A2 Coil bobbin structure
06/02/2004CN1501523A Magnetic tunnel junction device and method for fabricating the same
06/02/2004CN1501458A Ultra-violet treatment of a tunnel barrier layer through an overlayer a tunnel junction device
06/02/2004CN1501410A A magnetic strap material having high strain shape memory effect and preparing method thereof
06/02/2004CN1152407C Rare-earth metal permanent magnet and method for producing same
06/02/2004CN1152396C Superconducting magnet and production method thereof
06/02/2004CN1152395C Preparation method of soft magnetic ferrimagnetics
06/02/2004CN1152160C Method for manufacturing dimorphic crystal group magnetic recording medium
06/01/2004US6744342 High performance bulk metal magnetic component
06/01/2004US6743642 Bilayer CMP process to improve surface roughness of magnetic stack in MRAM technology
06/01/2004US6743534 Multilayer stacks; low temperature firing
06/01/2004US6743465 Magnetic optical member with a polymer substrate
06/01/2004US6743394 Case for use in sintering process to produce rare-earth magnet, and method for producing rare-earth magnet
06/01/2004US6743340 Posiitoning in vacuum; magnetron sputtering ferromagnetic material on wafer
06/01/2004US6742239 Progressive stamping die assembly having transversely movable die station and method of manufacturing a stack of laminae therewith
05/2004
05/27/2004WO2004045048A1 Slotless rotary electric machine and manufacturing method of coils for such a machine
05/27/2004WO2004044933A1 Method and device for hardening coils
05/27/2004WO2004044930A2 Method of making a compound magnet
05/27/2004WO2004043633A1 Fe-Si ALLOY POWDER CORES AND FABRICATION PROCESS THEREOF
05/27/2004WO2004015723A3 Nanocrystalline and nanocomposite rare earth permanent magnet materials and method of making the same
05/27/2004WO2002058865A8 Compressed and heat treated soft magnetic iron-based powder alloys