Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
12/1999
12/21/1999US6005465 Coil assembly and method for contacting the coil on a support body
12/21/1999US6004654 Magnetic multilayer film, magnetoresistance element, and method for preparing magnetoresistance element
12/21/1999US6004617 Combinatorial synthesis of novel materials
12/16/1999WO1999065042A1 Method of assembling isolation transformer
12/16/1999DE19925669A1 Chip-type inductor manufacturing method
12/16/1999DE19925322A1 Extrusion moulded magnet having excellent magnetic properties
12/15/1999EP0964414A2 Coil hitching device
12/15/1999EP0964412A1 Use of expandable epoxy systems for barrier materials in high voltage liquid-filled transformers
12/15/1999EP0963591A1 Method for making soft magnetic parts from particulate ferrous material, and parts made therefrom
12/15/1999CN1238538A Method of producing inductor
12/15/1999CN1238536A Magnet powder-resin compound particles, method for producing such compound particles and resin-bonded rare earth magnets formed therefrom
12/15/1999CN1047459C Process and device for estabishing contact between wound wires and terminals
12/15/1999CN1047458C Production method of medical magnetic powder ball
12/15/1999CA2266216A1 Extrusion-molded magnetic body using samarium-iron-nitrogen system magnetic particles
12/14/1999US6002320 Electrical coil assembly having a plurality of coils arranged in pairs
12/14/1999US6001248 Used for separation of transition metals, both light and heavy, from other metals and from each other.
12/14/1999US6000922 Molding assembly for producing magnetic development rollers having precise magnetic development fields
12/14/1999US6000128 Process of producing a multi-layered printed-coil substrate
12/09/1999DE19824327A1 Vorrichtung zum Wickeln von Spulen Apparatus for winding coils
12/08/1999EP0963030A2 Apparatus for winding coils
12/08/1999EP0962949A1 Transformer core and method of constructing a transformer core
12/08/1999EP0962547A1 Improved ion beam sputtering
12/08/1999CN1047255C Method for cutting of wire
12/08/1999CA2273714A1 Expandable epoxy systems for barrier materials in high voltage liquid-filled transformers
12/08/1999CA2240008A1 Coil hitching device
12/07/1999US5999079 Magnet coil with radial terminal pins and the method for manufacturing the coil
12/07/1999US5997698 Applied to various magnetic heads including an induction type magnetic head, a magnetoresistance type magnetic head(mr head), and an mr induction type composite head having an induction head portion and an mr head portion.
12/02/1999WO1999062080A1 Method for preparing a magnetic material by forging and magnetic material in powder form
12/02/1999WO1999061676A1 Method for manufacturing a multilayer film for using in a magnetic head for recording information
12/02/1999WO1999061170A1 Multiple-coil electromagnet for magnetically orienting thin films
12/02/1999WO1999049478A3 Method of impregnation and polymerisation for a high-current coil
12/02/1999DE19922784A1 Magnetic garnet single crystal film especially for a magnetostatic wave device e.g. a limiter or noise filter in microwave equipment
12/02/1999DE19855731A1 Electrical heating system for component with winding
12/02/1999DE19822433A1 Impregnation of electrical windings
12/02/1999DE19818386A1 Automatic manufacture of ring coils
12/01/1999CN2351818Y Special clamp for winding wire use
12/01/1999CN1236826A Dual chamber ion beam sputter deposition system
11/1999
11/30/1999US5993939 Method for preparing permanent magnet material, chill roll, permanent magnet material, and permanent magnet material powder
11/30/1999US5993729 Post-compaction treatments of iron compacts to improve the mechanical strength of the compacts
11/30/1999US5993566 Magnetic transducers for reading information signals from a magnetic medium and, in particular, to an improved process for fabrication of a spin valve magnetoresistive read sensor.
11/30/1999US5992005 Method of manufacturing a power magnetic device
11/30/1999CA2071860C Magnetic property modification
11/25/1999WO1999060582A1 A coil for a magnet and a method of manufacture thereof
11/25/1999WO1999060580A1 FEEDSTOCK POWDER FOR R-Fe-B MAGNET AND PROCESS FOR PRODUCING R-Fe-B MAGNET
11/25/1999WO1999060554A1 Heterogeneous display elements and methods for their fabrication
11/25/1999DE19922122A1 Manufacture of electrical inductance elements
11/24/1999EP0959146A2 Dual chamber ion beam sputter deposition system
11/24/1999CN2350851Y Winding reel for transformer
11/24/1999CN1236203A Electronic part and method of manufacturing the same
11/24/1999CN1046816C Transformer coil winding apparatus
11/23/1999US5989690 Magnetoresistance effect film, a method of manufacturing the same, and magnetoresistance effect device
11/18/1999WO1999059168A1 High stack factor amorphous metal ribbon and transformer cores
11/18/1999DE19820033A1 Production of molded articles for use as permanent magnets
11/17/1999EP0957663A2 Electronic part and a method of manufacturing the same
11/17/1999EP0957538A2 Terminal for electric wire welding and welding torch
11/17/1999CN1235361A Method of manufacturing the inductors
11/17/1999CN1235360A Arrangement method for transporting electric apparatus and auxiliary therefor
11/16/1999US5986894 Microelectronic component carrier and method of its manufacture
11/16/1999US5986858 Ferromagnetic tunnel-junction magnetic sensor utilizing a barrier layer having a metal layer carrying an oxide film
11/16/1999US5986533 Monolithic thick film inductor
11/16/1999US5986532 Ignition coil for an internal combustion engine
11/16/1999US5986530 Solenoid and method for manufacturing
11/16/1999US5986395 Metal/ferrite laminate magnet
11/16/1999US5985472 Magnetostatic wave device
11/16/1999US5985414 Laminated electronic component
11/16/1999US5985356 Screening
11/11/1999WO1999057738A1 Choke and method for manufacturing the same
11/11/1999DE19820770A1 Electrochemical coating of a substrate or an article, and an article with such a coating
11/10/1999EP0955646A2 Inductive element
11/10/1999EP0954871A1 A winding in an electric machine with stationary parts
11/10/1999EP0828695B1 Ferrite magnet, and powder for ferrite magnet and production process thereof
11/10/1999CN1234905A Method for producing laminated permanent magnet
11/10/1999CN1234717A Method for manufacturing U-shaped yoke for Al-Ni-Co/neodium magnet with multistage cold forming machine
11/10/1999CN1234678A Multi-function audio system and method of controlling the same
11/10/1999CN1234590A Tensionfree coiling technology and coiling machine for complex-section armoured superconductive cable conductor coils
11/10/1999CN1234567A Element mounting method, IC card and producing method therefor
11/09/1999US5982073 Stator
11/09/1999US5981095 A fuel cell having a magnetically modified electrode with a surface coating of a magnetic composite material consisting of ion exchange resin, magnetic particles and catalyst, supplying the fuel to the electrode which reforms the fuel
11/09/1999US5980995 Method for producing an insulated metallic strip
11/04/1999DE19919396A1 Electromagnetic coil without coil carrier for vehicle antilock braking system
11/03/1999EP0953994A2 Multi-laminated inductor and manufacturing method thereof
11/03/1999CN1046173C Process for mfg. iron based and high temp. resistant rare-earth permanent magnet
11/02/1999US5977857 Chip inductor
11/02/1999US5976715 Articles comprising magnetically soft thin films
11/02/1999US5976326 Method of sputtering selected oxides and nitrides for forming magnetic media
11/02/1999CA2163052C Low profile inductor/transformer component
10/1999
10/28/1999WO1999054890A1 Corrosion-resisting permanent magnet and method for producing the same
10/28/1999DE19817852A1 Miniaturized non-planar inductor production method, for micro-engineering applications
10/27/1999EP0951577A1 AMORPHOUS Fe-B-Si-C ALLOYS HAVING SOFT MAGNETIC CHARACTERISTICS USEFUL IN LOW FREQUENCY APPLICATIONS
10/27/1999EP0733263B1 A magneto-resistive element comprising amorphous permalloy films and method of preparing the same
10/27/1999CN2346050Y Coiling positioning foot for transformer
10/27/1999CN2346049Y Mould for pouring resin transformer coil
10/26/1999US5973583 Core assembly for coil units and method for producing the same
10/26/1999US5973390 Chip electronic part
10/26/1999US5970604 Method of making monolithic thick film inductor
10/21/1999WO1999053458A1 Deactivatable magnetic marker and method for production thereof
10/20/1999EP0950252A1 Wire-wound inductors
10/20/1999EP0950251A1 Continuous method of manufacturing wire wound inductors and wire wound inductors thereby
10/20/1999CN1232572A Planar transformer
10/20/1999CN1045839C Method for connecting leading-out terminal of small transformer bobbin