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