Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
11/1998
11/17/1998US5838215 RF choke with a low Q core formed by sintering ferrous and ferric oxides
11/17/1998US5837386 Platinum/cobalt multilayer film and loops
11/17/1998US5837332 Semiconductors for electronic and magnetic apparatus
11/11/1998EP0877396A1 Metal/ferrite laminate magnet
11/11/1998EP0876432A1 Method for preparing modified magnetic pigment particles
11/11/1998CN1198579A Powder moulded iron core, ferromagnetic powder composition and preparation process thereof
11/11/1998CN1198577A Compound magnetic material and making method
11/10/1998US5834825 Semiconductor device having spiral wiring directly covered with an insulating layer containing ferromagnetic particles
11/04/1998EP0804628B1 Method of manufacture of amorphous transducer elements
10/1998
10/29/1998WO1998047613A1 Systems and methods for the combinatorial synthesis of novel materials
10/28/1998EP0874373A1 Process of making a multiple parallel conductor
10/28/1998EP0873568A1 Ballast for discharge lamp and method and apparatus for manufacturing the same
10/28/1998CN1197536A Ignition coil for an I. C. engine
10/27/1998US5828283 Apparatus for connecting primary conductive lines of flexible transformer
10/27/1998US5826471 Cutting method for coil conductor
10/21/1998EP0872856A1 Magnetic core and method of manufacturing the same
10/21/1998CN1196481A Method of measuring exchange force and method of evaluating magnetism using exchange force
10/15/1998WO1998045860A1 Magnetic coil
10/15/1998DE19714812A1 Magnetspule Solenoid
10/14/1998EP0871184A1 Coil bobbin and winding jig for use in forming a wound coil and method of winding a wire on the coil bobbin
10/14/1998EP0870843A1 Magnetic steel sheet having excellent magnetic properties and method for manufacturing the same
10/14/1998EP0870362A1 Method for producing an electrical component and resulting component
10/13/1998US5821846 High current ferrite electromagnetic interference suppressor and associated method
10/13/1998US5821843 Chip inductor
10/13/1998US5820924 Method of fabricating a magnetoresistive sensor
10/13/1998US5819397 Method for assembling a three-phase current transformer
10/08/1998WO1998044521A1 Method for manufacturing magnetoresistance element
10/08/1998WO1998044520A1 Chip inductor and method for manufacturing the same
10/08/1998WO1998044518A1 Chip inductance
10/08/1998DE19713147A1 Chip-Induktivität Chip inductor
10/07/1998EP0869517A1 Dust core, ferromagnetic powder composition therefor, and method of making
10/07/1998EP0869354A1 Method of measuring exchange force and method of evaluating magnetism using the exchange force
10/06/1998US5817221 Composites formed using magnetizable material, a catalyst and an electron conductor
10/06/1998US5817209 Adhesive bording system for bonding laminae to form a laminate
10/06/1998US5816894 Gap-providing ferrite core half and method for producing same
10/01/1998WO1998043257A1 A core for a controllable inductor and a method for producing thereof
10/01/1998WO1998043253A1 Coating of a superconductor
10/01/1998WO1998042882A1 Method for making an electric sheet steel with oriented grains for the manufacture of transformer magnetic circuits in particular
10/01/1998CA2284782A1 Coating of a superconductor
09/1998
09/30/1998CN1194446A Laminated composite electronic device and its producing method
09/30/1998CN1194430A Ferromagnetic tunnel junction magnet sensor
09/29/1998US5814367 Broadband infrared and signature control materials and methods of producing the same
09/29/1998CA2087794C Circuit elements dependent on core inductance and fabrication thereof
09/24/1998WO1998041997A1 Electrical choke
09/24/1998CA2283899A1 Electrical choke for power factor correction
09/23/1998EP0865659A1 Method for high speed spin winding of a coil about a continuous lamination core
09/23/1998EP0865658A1 Bearing for high speed coil winding
09/23/1998EP0865657A1 Method for assembling a three-phase current transformer
09/23/1998EP0772955B1 Inductor and method for making an inductor
09/23/1998CN2292322Y Ring type three-phase transformer winding machine
09/23/1998CN1194054A Bobbin-mounted soleonoid coil and method of making
09/22/1998US5811155 Depositing surface layer of material which becomes partially oxidized during deposition on top layer of substrate, depositing layer of magnetic alloy on said surface layer
09/22/1998US5811024 Molding powder barrium ferrite raw material containing silcion oxide or silicon compound, barium compound which can form barium oxide upon firing, in a magnetic field into a compact, sintering the compact; high mechanical strength
09/17/1998DE19754475A1 Layered material with textured buffer layer and oriented thin film
09/16/1998EP0865051A1 Method of manufacturing bonded magnets of rare earth metal, and bonded magnet of rare earth metal
09/16/1998CN2291716Y Mould for manufacturing resin insulating dry power transformer winding
09/15/1998US5806781 Winding apparatus and method
09/10/1998DE19708227A1 Wire winding method for annular core with centre aperture
09/09/1998EP0863519A2 Core assembly for coil units and method for producing the same
09/09/1998EP0862807A1 Restrain coil for ignition systems
09/09/1998EP0804799B1 Device and process for producing a coil arrangement
09/08/1998US5804282 Magnetic core
09/08/1998US5804130 Sintering green ceramic substrate to burn away sacrificial coil windings forming embedded coil receiving cavity; flowing molten electrically conductive material into cavity; cooling
09/08/1998US5802702 Method of making a device including a metallized magnetic substrate
09/03/1998WO1998038698A1 Electrical connector
09/03/1998WO1998038658A1 Coiling machine to produce especially coreless coils and operational method for said machine
09/03/1998WO1998038655A1 Method for making soft magnetic parts from particulate ferrous material, and parts made therefrom
09/03/1998WO1998038348A1 Amorphous and amorphous/microcrystalline metal alloys and methods for their production
09/03/1998CA2282527A1 Method for making soft magnetic parts from particulate ferrous material, and parts made therefrom
09/02/1998EP0862193A2 A laminated composite electric device and a manufacturing method thereof
09/02/1998CN1192031A Ignition coil bank-winding method
09/01/1998US5801604 Magnetostatic wave device with indium/tin in the magnetic garnet
09/01/1998US5801521 Planar magnetic element
09/01/1998US5800663 Terminal connection method of a coil and terminal connection structure of a coil
09/01/1998US5800636 Dust core, iron powder therefor and method of making
09/01/1998CA2012996C Method of forming ferrite coatings
08/1998
08/27/1998WO1998036849A1 Insulated metallic strip and method for producing same
08/27/1998DE19731969A1 Manufacturing method e.g. for electrical component having conductive structure on thermoplastic carrier substrate, such as chipcard-transponder
08/26/1998EP0860841A2 Ignition coil bank-winding method
08/26/1998EP0860840A2 Ignition coil bank-winding method
08/26/1998EP0860030A1 Processing of oxide superconductor cables
08/26/1998EP0860014A1 MAGNETIC MATERIAL AND PERMANENT MAGNET OF THE NdFeB TYPE
08/26/1998EP0805721A4 Adhesively bonded laminate for use in an electrical apparatus such as a transformer, generator, or motor
08/26/1998EP0647180B1 Thermoplastic coated magnetic powder compositions and methods of making same
08/26/1998CN1191631A Gradient interface composites and methods therefor
08/26/1998CN1191376A Multilayer electronic part and method for producing the same
08/25/1998US5798678 Superconducting wind-and-react-coils and methods of manufacture
08/20/1998WO1998036431A1 Transposed cable for making windings in electric machines, manufacturing process of the same, and method of making a winding by said transposed cable
08/20/1998WO1998036105A1 Film deposition apparatus or artificial lattice multi-layered film
08/19/1998EP0859384A1 Transformer assembly and its use
08/19/1998EP0859381A1 Transposed cable for making windings in electric machines, manufacturing process of the same, and method of making a winding by said transposed cable
08/18/1998US5795532 Method for making a magnetic roll
08/18/1998CA2082061C Method of manufacturing and applying heat treatment to a magnetic core
08/12/1998CN1190243A Wound-core-type transformer and apparatus for manufacture thereof
08/11/1998US5793711 Composite magneto-optic memory and media
08/11/1998US5793601 Composite fuctional device and method for producing the same
08/11/1998US5793279 Methods and compositions for optimizing interfacial properties of magnetoresistive sensors
08/11/1998US5793272 Integrated circuit toroidal inductor
08/11/1998US5792510 Forming metal alloy film on substrate, forming transition metal film thereon, heating, exposing to hydrogen gas which is absorbed by metal film, cooling to transfer hydrogen into alloy film, heating to desorb
08/11/1998US5791585 Apparatus for maintaining the position of a rotating bobbin relative to a transformer core leg
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