Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
11/2003
11/13/2003US20030209842 Method for manufacturing rare earth magnet and powder compacting apparatus
11/13/2003US20030209820 Method and apparatus for making ferrite material products and products produced thereby
11/13/2003US20030209627 Apparatus and method for winding multi-layer coil in trapezoidal winding space
11/13/2003US20030209295 CoFe alloy film and process of making same
11/13/2003US20030209287 Multilayer; iron core overcoated with iron oxide dielectric
11/13/2003US20030209286 Method of manufacturing electromagnetic devices using kinetic spray
11/13/2003US20030209189 Magnetic material and method for preparation thereof
11/13/2003US20030208900 High density multi-layer microcoil and method for fabricating the same
11/12/2003EP1361586A1 Granular thin magnetic film and method of manufacturing the film, laminated magnetic film, magnetic part, and electronic device
11/12/2003EP1360705A2 Flat coil
11/12/2003EP1360071A1 Magnetic substrates, composition and method for making the same
11/12/2003CN2586236Y Adjustable diameter forming die
11/12/2003CN2586235Y Umbrella shape support adjustable winding mould with top guide
11/12/2003CN1456032A Method for generating conductive structure on non-plane surface and use thereof
11/12/2003CN1455938A Permanent magnet and method for preparation thereof
11/12/2003CN1455423A Method for making laminar LC filter
11/11/2003US6646835 Spin-valve magnetoresistive thin film element
11/11/2003US6646834 Magnetic transducer, thin film magnetic head, method of manufacturing magnetic transducer and method of manufacturing thin film magnetic head
11/11/2003US6646533 Photolithographically-patterned out-of-plane coil structures and method of making
11/11/2003US6646532 Alloy powder of Mn, Al, V, Cr, and Ti, and balance Fe
11/11/2003US6646531 Coated coil assembly of a transformer
11/11/2003US6646528 Shaping, heat treatment; hollow cavities
11/11/2003US6644585 Solenoid coil assembly and method for winding coils
11/11/2003US6644584 Single coil of coil unit for linear motor, method and device for winding and forming the same, and method for forming and fabricating coil unit
11/06/2003WO2003092084A1 Magnetoresistive element, manufacturing method thereof, magnetic head, magnetic memory, and magnetic recording device using the same
11/06/2003WO2003092021A1 Flexible magnet and method for manufacturing motor using the same
11/06/2003WO2003092020A1 Permanent magnet forming device
11/06/2003WO2003029166A3 Self-constrained low temperature glass-ceramic unfired tape for microelectronics and methods for making and using the same
11/06/2003US20030206091 Magnetic sticking sheet and method of producing same
11/06/2003US20030206090 Dust Core
11/06/2003US20030206089 Inductor and method of producing the same
11/06/2003US20030206088 Slot core transformers
11/06/2003US20030205967 Discrete magnets in dielectric forming metal/ceramic laminate and process thereof
11/06/2003US20030205778 High performance RF inductors and transformers using bonding technique
11/06/2003US20030205459 High read sensitivity heads via seed layer processing; giant magnetoresistance head technology
11/05/2003EP1358661A1 High q inductor with faraday shield and dielectric well buried in substrate
11/05/2003CN2585479Y Combination type wire pressing plate
11/05/2003CN2585478Y Coiling machine
11/05/2003CN1453803A Solid inducer and producing method thereof
11/05/2003CN1127099C Induction element
11/05/2003CN1127098C Electro magnetic coil
11/04/2003US6643116 Radio frequency (RF) security element, coil and capacitor for an RF-security element and method for production thereof
11/04/2003US6643095 Thin-film magnetic head having a thin-film coil and method of manufacturing same
11/04/2003US6641901 Perpendicular-magnetic recording media and magnetic recording apparatus
11/04/2003US6641703 Magnetic multi-layer film manufacturing apparatus
11/04/2003US6640419 Method of making a magnetic circuit with coil
10/2003
10/30/2003WO2003089946A1 Gmr spin valve structure using heusler alloy
10/30/2003US20030203510 Protective layers for MRAM devices
10/30/2003US20030203241 Comprises chromium element/region laminated between antiferromagnetic layer and pinned magnetic layer
10/30/2003US20030203238 CPP type magnetoresistive sensor including pinned magnetic layer provided with hard magnetic region
10/30/2003US20030202295 Side reading reduced GMR for high track density
10/30/2003US20030201868 Protector for thermal switch installed in electromagnetic coils
10/30/2003US20030201864 High performance bulk metal magnetic component
10/30/2003US20030201533 Alternating electroconductivity patterns, dielectric sheets; positioning apertures
10/30/2003US20030201055 Method for manufacturing laminated LC filter
10/30/2003US20030200647 Pattern forming method, method of making microdevice, method of making thin-film magnetic head, method of making magnetic head slider, method of making magnetic head apparatus, and method of making magnetic recording and reproducing apparatus
10/29/2003EP1357600A2 Solid-state inductor and method for producing the same
10/29/2003EP1356481A1 Method for winding onto a toroidal core
10/29/2003EP1356479A2 Coil component and method of manufacturing the same
10/29/2003CN2583785Y Improved coil paying-off former
10/29/2003CN2583784Y Vertical, horizontal coiling dual-purpose hydraulic wire-bending transposer
10/29/2003CN2583589Y Dual-purpose vapour-phase dryer for double evaporimeter
10/29/2003CN1452199A Device for protection of thermal switch mounted in electromagnetic coil
10/29/2003CN1452191A Clamp for heat treatment of ceramic for electronic component and mfg. method thereof
10/29/2003CN1126118C Coating of superconductor
10/29/2003CA2384207A1 Coil arrangement for radio frequency identification devices and process for making same
10/28/2003US6639764 Spin-valve magnetoresistive thin film element
10/28/2003US6639762 Spin valve thin-film magnetic device having free magnetic layer in ferrimagnetic state and manufacturing method therefor
10/28/2003US6639171 Method for joining coil wire having heat resistant coating to coil terminal
10/28/2003US6638598 Laminates having a buffer layer and cover layer
10/28/2003US6638367 Iron/rare earth element-based magnet powder having high coercive force in humid atmosphere
10/28/2003CA2328166C Inductor coil structure and method for making same
10/23/2003WO2003088281A1 Method of manufacturing soft magnetic powder and inductor using the same
10/23/2003WO2003088253A1 Material combinations for tunnel junction cap layer, tunnel junction hard mask and tunnel junction stack seed layer in mram processing
10/23/2003WO2003087420A1 Directional hot rolled magnetic steel sheet or strip with extremely high adherence to coating and process for producing the same
10/23/2003WO2003086687A1 Method for press molding rare earth alloy powder and method for producing sintered object of rare earth alloy
10/23/2003WO2003053647A3 A thermal process involving cold rf irradiated liquid as a core method for producing nano-size particles
10/23/2003US20030199167 Control of MTJ tunnel area
10/23/2003US20030199104 Material combinations for tunnel junction cap layer, tunnel junction hard mask and tunnel junction stack seed layer in MRAM processing
10/23/2003US20030197988 Magnetic sensing element
10/23/2003US20030197986 GMR spin valve structure using heusler alloy
10/23/2003US20030197970 Magnetoelectric multilayer composites for field conversion
10/23/2003US20030197587 Solid-state inductor and method for same
10/23/2003US20030197505 Magnetoresistance effect element and method for producing the same, and magnetoresistance effect type head, magnetic recording apparatus, and magnetoresistance effect memory element
10/23/2003US20030196730 Having high residual magnetization and large intrinsic coercive force
10/23/2003US20030196316 Method for manufacturing magnetoresistive element
10/22/2003EP1355329A1 Production of security pedestals
10/22/2003EP1354653A1 Sinterbonded electric machine components
10/22/2003EP1354496A1 An electroacoustic transducer
10/22/2003EP0938105B1 Powder for permanent magnet, method for its production and anisotropic permanent magnet made using said powder
10/22/2003CN1450573A Method for preparing composite nano crystal magnetic recording material
10/22/2003CN1450572A Surface installation coil part and making method thereof
10/22/2003CN1125472C Feedstock powder for R-Fe-B magnet and process for producing R-Fe-B magnet
10/21/2003US6636139 Large first vias align with the patterned interconnect metal, providing low-resistivity points of interconnect between the spiral inductor, which is created on the surface of the layer of passivation concurrent with the creation of the vias
10/21/2003US6635948 Inductors arranged so that different pairs of inductors are electrically coupled to one another; power splitters and combiners using such coupled inductors
10/21/2003US6635122 Formed from metal-based core particles coated with annealable insulating material, insulating material having inorganic compound and organic polymeric resin; useful for low frequency alternating current applications
10/21/2003CA2216659C Semiprocessed nonoriented magnetic steel sheet having excellent magnetic characteristics and method for making the same
10/16/2003WO2003085684A1 Composite rare earth anisotropic bonded magnet, compound for composite rare earth anisotropic bonded magnet, and method for production thereof
10/16/2003WO2003085683A1 Composite rare earth anisotropic bonded magnet, compound for composite rare earth anisotropic bonded magnet and method for preparation thereof
10/16/2003WO2003085649A1 Polycrystalline structure and its production method