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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10/19/1999 | US5969456 Electromagnetic equipment |
10/19/1999 | CA1340795C Magnetic ribbon and magnetic core |
10/15/1999 | CA2234760A1 Deactivatable magnetic marker and method for production thereof |
10/14/1999 | DE19811578A1 Multiple layer circuit board especially for chip card |
10/13/1999 | EP0949640A1 Method for producing electronic components comprising a winding |
10/13/1999 | CN1231756A Corrosion-resistant permanent magnet and method for manufacturing the same |
10/12/1999 | US5966065 Ferric oxide core |
10/07/1999 | WO1999050859A1 Amorphous metal transformer having a generally rectangular coil |
10/07/1999 | DE19913358A1 Single crystal growth process especially for a cerium substituted yttrium-iron garnet single crystal for optical applications |
10/07/1999 | CA2326147A1 Amorphous metal transformer having a generally rectangular coil |
10/06/1999 | CN1231094A Pulse transformer for U-shape interfaces operating according to echo compensation principle |
10/06/1999 | CN1230757A Method for producing casting resin transformer |
10/06/1999 | CN1230744A Exchange coupling film, magnetoresistance effect device, magnetoresistance effective head and method for producing exchange coupling film |
10/05/1999 | US5963416 Electronic device with outer electrodes and a circuit module having the electronic device |
10/05/1999 | US5963118 Electromagnetic coil and manufacturing apparatus for the same |
09/30/1999 | WO1999049482A1 Coil winder and coil winding method |
09/30/1999 | WO1999049478A2 Method of impregnation and polymerisation for a high-current coil |
09/30/1999 | DE19905747A1 Production of coil with rectangular wire |
09/30/1999 | DE19811083C1 Inductive component in chip multilayer technology |
09/23/1999 | WO1999048069A1 Transverse field annealing process to form e.a.s. marker having a step change in magnetic flux |
09/23/1999 | WO1999039336A3 Methods for creating a magnetically permeable film |
09/23/1999 | DE19844399C1 Electrical heating system for component with winding |
09/23/1999 | CA2323517A1 Transverse field annealing process to form e.a.s. marker having a step change in magnetic flux |
09/21/1999 | US5955685 Sputtering target for forming magnetic thin film and fabrication method thereof |
09/21/1999 | US5954909 Direct adhesive process |
09/16/1999 | DE19901376A1 Multi-function audio system can perform a number of functions yet forms unit that allows hands-free telephone operation |
09/15/1999 | EP0942441A2 Coil element and method for manufacturing thereof |
09/15/1999 | EP0941544A1 Improvements in and relating to coils |
09/15/1999 | CN2338863Y Vertical circular section iron core winding machine |
09/15/1999 | CN1045136C Super-fine magnetic powder and its prepn. method |
09/15/1999 | CN1045135C Gama Fe2O3 magnetic powder prepn. method |
09/14/1999 | US5952909 Multi-layered printed-coil substrate, printed-coil substrates and printed-coil components |
09/14/1999 | US5952893 Integrated circuit inductors for use with electronic oscillators |
09/14/1999 | US5951881 Fabrication of small-scale cylindrical articles |
09/14/1999 | US5950956 Ignition coil bank-winding method |
09/14/1999 | CA2086138C Laser-formed electrical component and method for making same |
09/10/1999 | CA2265125A1 Coil element and method for manufacturing thereof |
09/09/1999 | DE19907973A1 Winding arrangement, e.g. for winding wires onto a magnetic core |
09/09/1999 | DE19805628A1 Manufacture of ignition coils |
09/08/1999 | EP0940826A2 Inductor for use with electronic oscillators |
09/08/1999 | EP0939963A1 Method of impregnating components |
09/08/1999 | EP0939962A1 Method of impregnating components |
09/08/1999 | EP0853649B1 Treatment of transition metal containing pigments with chelating or silylating compounds |
09/08/1999 | EP0842519B1 Winding device for forming an electrical coil on a magnetic air gap circuit |
09/08/1999 | EP0641461B1 Encapsulated magnetic particles, pigments and carbon black, compositions and methods related thereto |
09/08/1999 | CN2337658Y Permanent-magnetic ferrite burn-in material parison |
09/08/1999 | CN1228193A Method for making transponder coil and transponder produced by said method |
09/07/1999 | US5949321 Planar transformer |
09/07/1999 | US5949319 Bar coil for ignition systems |
09/07/1999 | US5948200 Method of manufacturing laminated ceramic electronic parts |
09/02/1999 | WO1999043862A1 Method of applying a corrosion-resistant coating |
09/01/1999 | EP0939426A1 Magnetic core and deflection yoke having the same |
09/01/1999 | CN1227392A Rare-earth-Fe-B permanent magnetic material and its preparation technology |
09/01/1999 | CN1044943C Apparatus for making a transformer core comprising strips of amorphous steel wrapped around the core window |
09/01/1999 | CN1044942C Apparatus for forming magnetized zones on magnetizable body |
08/31/1999 | US5945902 Core and coil structure and method of making the same |
08/31/1999 | US5945007 Method for etching gap-vias in a magnetic thin film head and product |
08/25/1999 | EP0938105A1 Powder for permanent magnet, method for its production and anisotropic permanent magnet made using said powder |
08/25/1999 | EP0937304A1 A coil manufacturing and attachment method and apparatus for carrying out the method |
08/25/1999 | CN2335239Y Novel transformer coil frame structure |
08/24/1999 | US5943580 Method of forming a capacitor or an inductor on a substrate |
08/24/1999 | US5942963 Multiwound coil embedded in ceramic |
08/24/1999 | US5942961 Magnetized material having enhanced magnetic pull strength and a process and apparatus for the multipolar magnetization of the material |
08/24/1999 | US5942051 Improved magnetic properties; steel comprising carbon, silicon, manganese, aluminum, rare earth metal, titanium, zirconium, iron |
08/18/1999 | EP0936639A2 Process for forming device comprising metallized magnetic substrates |
08/18/1999 | EP0936638A2 Process for producing a ferromagnetic compact,ferromagnetic compact and its utilisation |
08/18/1999 | CN1226335A Monolithic thick film inductor and method for making same |
08/18/1999 | CN1226100A Method for producing conductor bar designed preferably as roebel conductor and device thereof |
08/18/1999 | CN1225857A Production apparatus for rare earth magnet powders |
08/17/1999 | US5939966 Inductor, transformer, and manufacturing method thereof |
08/17/1999 | US5938143 Ignition coil bank-winding method |
08/12/1999 | WO1999040594A1 Amorphous alloy with increased operating induction |
08/12/1999 | WO1999040592A1 Magnetic film and a method for the production thereof |
08/12/1999 | DE19822434C1 Electrical heating system for component with winding |
08/12/1999 | DE19804757A1 Method of forming a flat mounting surface on at least one side of electrical component, especially SMD component |
08/12/1999 | CA2320084A1 Amorphous alloy with increased operating induction |
08/10/1999 | US5936504 Chip-type coil device |
08/10/1999 | US5936298 Method for realizing magnetic circuits in an integrated circuit |
08/10/1999 | US5935722 Assembling in a cavity alternating layers of uncoated metal powder and an inorganic bonding media of ceramic, glass, or glass-ceramic powders; applying heat to sinter each layer; manufacture of high perfomance magnets when alloy is magnetic |
08/10/1999 | US5935403 Magnetic thin film and magnetic thin film manufacturing method |
08/10/1999 | US5935347 FE-base soft magnetic alloy and laminated magnetic core by using the same |
08/05/1999 | WO1999039336A2 Methods for creating a magnetically permeable film |
08/05/1999 | WO1999038623A1 A method of forming a coating onto a non-random monolayer of particles, and products formed thereby |
08/05/1999 | WO1999022386A3 Method for producing a coil from a high temperature superconductive material, and a high temperature superconductive coil with low alternating current loss |
08/05/1999 | CA2319539A1 A method of forming a coating onto a non-random monolayer of particles, and products formed thereby |
08/04/1999 | CN2332049Y Device for increasing raial magnetic performance of isotropic ferrite bead by dry method |
08/04/1999 | CN1224900A Multiple-point driving and multiple-shaft synchronizing wire winding method and equipment |
08/04/1999 | CN1224899A Built-up magnet, its producing method and Fe-Al-Si soft magnetic alloy powder used therefor |
08/03/1999 | US5932819 Deflection ring of sintered MgZn-ferrite material, cathode ray tube comprising such a ring and moulding made from this material |
08/03/1999 | US5932396 1,2-naphthoquinonediazidosulfonyl-substituted novolak resist |
08/03/1999 | US5932082 Adding ethylenediamine to hydrochloric acid bath to increase mass ratio of nickel to iron in the plated thin film permalloy at low applied current density; computer hard disk drive heads |
08/03/1999 | US5932032 Die casting low melting soft magnetic alloy to form nonporous magnet without die tool wear, then extracting melting point-lowering element from alloy by heat treatment in reactive hydrogen atmosphere |
08/03/1999 | US5931405 Method for achieving windings in radial layers |
08/03/1999 | US5931404 Electric coil with a low voltage differential between adjacent windings |
08/03/1999 | CA2071927C Coil assemblies |
07/29/1999 | WO1999038174A1 Bonded magnet, magnet roll and ferrite powder to be used for their preparation, and method for producing the same |
07/28/1999 | EP0932170A1 Cost-reduced transformer manufacture |
07/28/1999 | EP0931322A1 Soft magnetic, deformable composite material and process for producing the same |
07/28/1999 | CN2331068Y Power transformer high-tension coil automatic winding machine |
07/28/1999 | CN2331067Y Magnetic steel die for oriented formation of special magnetic field |