Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155) |
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10/01/1997 | CN1160914A Production method, production apparatus, and heat treatment apparatus for anisotropic magnet powder |
09/30/1997 | US5673163 Pinched-gap magnetic recording thin film head |
09/30/1997 | US5672363 Production apparatus for making green compact |
09/30/1997 | US5671526 Method of preparing transformer cores without waste |
09/25/1997 | WO1997035330A1 Production of hard magnetic material films |
09/25/1997 | WO1997035329A1 Magnetic device |
09/24/1997 | EP0796931A1 Cerium-containing magnetic garnet single crystal and producing method thereof |
09/24/1997 | CN1160275A Non-inductive coil |
09/23/1997 | US5670725 Apparatus for dividing wire coils |
09/23/1997 | US5670078 Magnetic and nonmagnetic particles and fluid, methods of making and methods of using the same |
09/23/1997 | US5669134 Method of manufacturing chip inductor |
09/18/1997 | DE19610196A1 Magnetically soft cores of iron-silicon mixture manufacture e.g. for LF applications |
09/17/1997 | EP0686211A4 System for sputtering compositions onto a substrate |
09/17/1997 | CN2262743Y Automatic machine for assembling ballasts |
09/12/1997 | WO1997033112A1 Foil wound coil for a solenoid valve |
09/11/1997 | DE19608913A1 High frequency transformer and manufacture |
09/10/1997 | EP0794268A1 Process for improving corrosion protection of aluminium coated surfaces |
09/10/1997 | CN2262283Y Lift driving device for vertical wire winder |
09/10/1997 | CN2262279Y Pull plate type fastener for dry-type transformer |
09/09/1997 | US5666635 Fabrication methods for R-Fe-B permanent magnets |
09/09/1997 | US5665429 Encapsulated magnetic particles pigments and carbon black, compositions and methods related thereto |
09/09/1997 | US5665177 Method for preparing permanent magnet material, chill roll, permanent magnet material, and permanent magnet material powder |
09/09/1997 | US5664736 Method and apparatus for forming laminated coil |
09/09/1997 | US5664472 Cutter apparatus for coil conductor |
09/04/1997 | DE19607841A1 Method of classifying characteristics of permanent magnet in ring form |
09/03/1997 | EP0724765B1 A method of manufacturing an electrical coil or transformer winding having an insulation device |
09/02/1997 | US5662289 Winding apparatus for coils formed of wire and film in which strips of films are held at each end by respective chucks |
08/28/1997 | DE19633983C1 Winding protection production for laminated cores |
08/28/1997 | DE19607197A1 Layer construction with hard magnetic thin film on substrate |
08/26/1997 | US5660786 Method of manufacturing ferrite magnets for motors |
08/21/1997 | WO1997030505A1 Process for producing an electromagnetic subassembly for a magnetic levitation railway |
08/21/1997 | WO1997030504A1 Process for the production of laminated cores and electromagnetic units produced therefrom |
08/21/1997 | WO1997030180A1 Semi-processed non-oriented magnetic steel sheet having excellent magnetic characteristic and method for manufacturing the same |
08/20/1997 | EP0789923A1 Process and device for contacting the winding wire of a coil |
08/20/1997 | EP0789671A1 The combinatorial synthesis of novel materials |
08/20/1997 | CN1157464A High-performance rare-earth metal-transition metal-boron sintered magnet making method |
08/19/1997 | US5659462 Encapsulated, integrated power magnetic device and method of manufacture therefor |
08/19/1997 | US5658659 Magnetic alloy and method for manufacturing same |
08/19/1997 | US5658658 Magnetoresistance effect elements and method of fabricating the same |
08/19/1997 | US5658397 Iron-based amorphous alloy thin strip and transformers made therefrom |
08/19/1997 | US5657942 Inductors and inductor winding scheme |
08/19/1997 | CA2024608C Magnetic materials for security applications |
08/14/1997 | WO1997029497A2 Bulk fabricated electromagnetic micro-relays/micro-switches and method of making same |
08/14/1997 | DE19703497A1 Verfahren zur Herstellung einer elektromagnetischen Baugruppe für eine Magnetschwebebahn A process for producing an electromagnetic assembly for a magnetic levitation |
08/14/1997 | DE19605264A1 Anisotropic compound magnet and its manufacturing process |
08/14/1997 | DE19604774A1 Plastics carrier with an induction coil |
08/13/1997 | CN2259674Y Wind iron-core for toroidal transformer |
08/13/1997 | CN1157051A Process for producing sintered earth magnet |
08/12/1997 | US5656985 Electronic surface mount package |
08/12/1997 | US5656101 High saturation magnetic flux density, low coercive force, and high magnetic permeability even at high frequencies |
08/12/1997 | US5655287 Laminated transformer |
08/06/1997 | EP0788120A1 Articles comprising magnetically soft thin films and methods for making such articles |
08/06/1997 | CN1156516A Magnetic thin film and its producing method |
08/06/1997 | CN1035579C Method for producing self support transformer with winded amorphous state metal magnet core |
07/30/1997 | EP0786927A1 Composite functional device and method for producing the same |
07/30/1997 | EP0786785A1 Manganese-aluminum magnet with far-infrared radiation properties and method of manufacturing the same |
07/30/1997 | EP0786784A1 Coil and method for the fabrication of coils |
07/30/1997 | EP0536421B1 Method of producing a rare earth permanent magnet |
07/30/1997 | CN1155743A Method and special machine for winding through belt-like magnetic cores of transformer |
07/29/1997 | US5652561 Laminating type molded coil |
07/24/1997 | WO1997026391A1 Method of manufacturing a bicrystal cluster magnetic recording medium |
07/24/1997 | DE19700709A1 Manufacture of a chip type electrical coil element e.g. for HF coil |
07/24/1997 | DE19609640C1 Horizontal deflection transformer for display device circuit |
07/23/1997 | EP0785618A1 Magnetostatic wave device |
07/23/1997 | EP0784913A2 Method of manufacturing devices comprising a base with a conductor pattern of electrical conductors |
07/23/1997 | CN2258312Y Toroidal iron-core transformer winding machine |
07/22/1997 | US5650021 Mixing iron powder coatings, rate earth elements, iron, boron magnets with powered coatings, compression molding and sintering |
07/22/1997 | US5649362 Permanent magnet member and method of producing same |
07/22/1997 | US5649353 Method for making an electrical coil |
07/22/1997 | US5649352 Process for assembling a coil on a printed circuit |
07/22/1997 | US5649349 Method for manufacturing of laminated components |
07/16/1997 | EP0784380A1 Magnetostatic wave device |
07/16/1997 | EP0783466A1 Method of producing shaped bodies from hard ferrite |
07/16/1997 | CN2257958Y Transformer encircling iron-core shaper |
07/16/1997 | CN1154784A Method for making inductor |
07/16/1997 | CN1154440A Slant winding electromagnetic coil and ignition coil for internal combustion engine using same |
07/16/1997 | CN1154421A Arc control and switching element protection for pulsed DC power supply |
07/15/1997 | US5648124 Magnetic resonance imaging and heterocoagulant, polymeric dispersants for coatings |
07/15/1997 | US5647966 Method for producing a conductive pattern and method for producing a greensheet lamination body including the same |
07/10/1997 | WO1997024738A1 Apparatus for connecting primary conductive lines of flexible transformer and method thereof |
07/10/1997 | WO1997024737A1 Flexible coil winding structure of flyback transformer and manufacturing process thereof |
07/10/1997 | WO1997024466A1 Magnetic steel sheet having excellent magnetic properties and method for manufacturing the same |
07/08/1997 | US5645932 Circuit-like metallic foil sheet and the like and process for producing them |
07/03/1997 | WO1997023953A1 High-frequency device |
07/03/1997 | WO1997023884A1 Permanent magnet for ultrahigh vacuum application and method for manufacturing the same |
07/02/1997 | EP0782155A2 Foils |
07/02/1997 | CN1153450A Formed lead transfer mechanism |
07/02/1997 | CN1153372A Method for patterning metal layer |
06/24/1997 | US5642049 Magnetic field producing apparatus and manufacturing method |
06/24/1997 | US5641557 Magnetic recording film; insulation film provided on peripheral area of top surface |
06/24/1997 | US5640752 Controlled adjustable manufacturing method for variable laminations used in electro-magnetic induction devices |
06/24/1997 | CA2088326C Method of producing low iron loss, low-noise grain-oriented silicon steel sheet, and low-noise stacked transformer |
06/22/1997 | CA2193442A1 Foils |
06/19/1997 | DE19547091A1 Aerial coil with surface mounted (SMD) casing e.g. for motor vehicle safety engineering |
06/18/1997 | EP0779634A1 Current transformer and method for making same |
06/17/1997 | US5639566 Magnetic core |
06/17/1997 | US5639391 Laser formed electrical component and method for making the same |
06/17/1997 | US5638595 Method for fabricating open MR magnet gradient coil |
06/11/1997 | EP0778594A1 Process for producing sintered earth magnet |
06/11/1997 | EP0778593A1 Method for realizing magnetic circuits in an integrated circuit |