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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09/13/1983 | US4403404 Method of making a cellulose-free transformer coils |
09/13/1983 | US4403403 Method of making a fly back transformer |
09/07/1983 | EP0087910A1 Ion-implanted magnetic bubble memory device |
09/07/1983 | EP0087559A1 Thin-film permanent magnet |
09/06/1983 | US4403002 Vacuum deposition of magnetic layers on moving flexible tape |
08/31/1983 | EP0087362A1 Method of making an electric transformer, transformer made in this way, and wheel for winding the same |
08/23/1983 | US4400444 Vapor deposition of ferromagnetic layer in width direction |
08/23/1983 | US4400226 Fluorinated ethylene propylene resin-coated polyimide tape |
08/23/1983 | US4399950 Magazine for winding wire on endless annular members or cores |
08/16/1983 | US4399013 Method of producing a magnetic recording medium |
08/09/1983 | US4397912 Computers; small diameters; stability during temperature variationsa |
08/03/1983 | EP0084568A1 Iron core laminate manufacturing apparatus |
08/02/1983 | US4396441 Heating an iron-platinum alloy, homogenizing the solid solution and quenching |
07/26/1983 | US4395465 Magnetic recording medium and process for production thereof |
07/26/1983 | US4395439 Method of manufacturing magnetic recording medium |
07/19/1983 | US4393904 Method and device for winding stators or the like |
07/13/1983 | EP0083567A1 Toroidal electrical transformer and method of producing same |
07/12/1983 | CA1149852A1 Ferro-fluid bearing |
07/12/1983 | CA1149709A1 Magneto-optic bi.sub.1 lu.sub.2 fe.sub.5 o in12 xx crystals |
07/12/1983 | CA1149686A1 Metallic thin film magnetic recording medium |
07/05/1983 | US4392070 Insulated coil assembly and method of making same |
07/05/1983 | US4391849 Transducers |
06/29/1983 | EP0082238A1 Relay |
06/29/1983 | EP0037816B1 A wire magazine for winding wire for use in a winding machine for the winding of elongate, preferably endless annular members or cores |
06/28/1983 | US4390601 Vacuum evaporation of ferromagnetic material, lubricant, and macromolecular on support |
06/28/1983 | US4390590 Power insertable polyamide-imide coated magnet wire |
06/23/1983 | WO1983002194A1 Electric transformer and method for making it |
06/21/1983 | CA1148655A1 Magnetic recording medium and process for production thereof |
06/15/1983 | EP0081446A1 Method of and device for winding the inductive coils equipping electrical apparatuses such as transformers |
06/14/1983 | US4388371 Partial heat curing initially |
06/14/1983 | US4388367 Perpendicular magnetic recording medium and fabrication |
06/14/1983 | US4388131 Method of fabricating magnets |
06/14/1983 | US4388127 Method for wrapping three-dimensionally curved conductors |
06/14/1983 | US4387866 Fluid motor driven propeller-aircraft for vertical take off and landing with a multipurpose pipe structure |
06/14/1983 | US4387508 Apparatus for magnetically assembling fragile parts |
06/14/1983 | US4387504 Machine for flats or conical windings in the form of a disc for electric motors |
06/14/1983 | CA1148229A1 Inductive component and method for its production |
06/08/1983 | EP0080974A1 Method for the construction of a coil for micro-motors, and coil having an external protection |
06/07/1983 | US4387136 Magnetic recording medium and apparatus for preparing the same |
06/01/1983 | EP0040197B1 A winding machine for winding elongate members or cores and an exchangeable cassette for the wire magazine for such a machine |
05/31/1983 | US4386114 Method of manufacturing a thin-film magnetic field sensor |
05/31/1983 | US4386113 Vapor deposition of ferromagnetic layer from container of magnesium oxide |
05/31/1983 | US4385877 Injection molding apparatus |
05/31/1983 | CA1147408A1 Fly-back transformer |
05/31/1983 | CA1147131A1 Machine for making flat or conical disk shaped windings for electric motors |
05/24/1983 | US4385098 Magnetic recording media |
05/17/1983 | US4384168 Conductor for a fluid-cooled winding |
05/17/1983 | CA1146343A1 Apparatus for punching and winding of motor and transformer cores |
05/11/1983 | EP0078368A2 Spin coating apparatus and method |
05/10/1983 | US4383235 Bi level etched magnetic coil |
05/03/1983 | US4382110 Ferromagnetic material such as cobalt or a cobalt alloy |
05/03/1983 | US4381852 Automatic tensioning control for winding stator coils |
05/03/1983 | US4381600 Magnetic core winding apparatus |
04/26/1983 | US4380919 Coil winding machine |
04/26/1983 | CA1145120A1 Method for mounting a winding in a transformer |
04/20/1983 | EP0076918A1 Amorphous magnetic core and process for manufacturing to improve efficiency |
04/19/1983 | US4380558 Process for manufacturing a protective polysilicate layer of a record member by a laser beam and a magnetic record member suitably manufactured thereby |
04/19/1983 | US4380211 Vacuum evaporation system for deposition of thin films |
04/12/1983 | US4380000 Coil arrangement, particularly for relays, and method of making same |
04/12/1983 | US4379527 Shuttle drive assembly |
04/06/1983 | EP0076184A1 Process for obtaining a layer with plane homogeneous magnetization in a ferrimagnetic garnet |
04/06/1983 | EP0076152A1 Method of producing a continuous thin film magnetic medium |
04/06/1983 | EP0076142A1 Post treatment of perpendicular magnetic recording media |
04/05/1983 | US4379276 Process and apparatus for the multipolar magnetization of a material in strips |
04/05/1983 | US4379179 Method for determining the magnetic anisotropy field in the manufacture of magnetic domain devices |
03/29/1983 | US4378410 Appling aluminum-silicon dioxide glass to form dielectric layer |
03/29/1983 | US4378385 Method of making oxygen ion conducting solid electrolyte device |
03/29/1983 | US4377905 Method for manufacturing a Nb3 Sn superconductor and method for manufacturing hollow superconducting magnet |
03/22/1983 | USRE31183 Terminal forming and installing apparatus |
03/22/1983 | CA1143258A1 Method of forming a magneto-optical polycrystalline cobalt ferrite layer on a substrate |
03/15/1983 | US4376904 Insulated electromagnetic coil |
03/15/1983 | US4376726 Method of manufacturing composition for bonded magnets |
03/15/1983 | US4376384 Clamp for use in winding large magnet coils |
03/08/1983 | US4376137 Method of fabricating a bi-level magnetic bubble propagation circuit |
03/02/1983 | EP0073041A2 Method and device for manufacturing magnetic recording medium |
03/01/1983 | US4375390 Thin film techniques for fabricating narrow track ferrite heads |
02/23/1983 | EP0072716A1 Method of manufacturing an ignition coil for internal combustion engines |
02/22/1983 | CA1141735A1 Shuttleless toroidal core winder |
02/22/1983 | CA1141695A1 Magnetostrictive alloy thin film electroplating |
02/15/1983 | US4374081 Cure of epoxy systems at reduced pressures |
02/15/1983 | US4374009 Electrochemical post treatment of perpendicular magnetic recording media |
02/15/1983 | CA1141464A1 Megneto optic memory layer |
02/15/1983 | CA1141133A1 Method of curing phenolic resin in an electrical apparatus without degrading polyethyleneterephthalate insulation also in the electrical apparatus |
02/08/1983 | US4372985 Magnetic bubbles |
02/08/1983 | US4372808 Process for removing a liquid phase epitaxial layer from a wafer |
02/08/1983 | US4372497 Method of manufacturing wound items from coaxial microwire and device therefor |
02/08/1983 | US4372029 Apparatus for providing an electrical coil with leads |
01/26/1983 | EP0070765A1 Process for producing an inductor and pot core using the same |
01/26/1983 | EP0070661A1 Insulated electromagnetic coil, method and product |
01/26/1983 | EP0028244B1 Wire brake for a winding machine |
01/25/1983 | US4370581 Multilayered coil structure |
01/25/1983 | US4369567 Method of manufacturing a permanent magnet which is to be arranged in an air gap of a transformer core |
01/25/1983 | US4369557 Process for fabricating resonant tag circuit constructions |
01/20/1983 | WO1983000264A1 Field composite permanent magnet and method of producing the same |
01/18/1983 | US4369209 Method of manufacturing a magnetic bubble memory element |
01/18/1983 | US4369077 Drawing mild steel |
01/11/1983 | US4368447 Rolled core |
01/11/1983 | US4368407 Inductor-capacitor impedance devices and method of making the same |
01/05/1983 | EP0068846A1 Forming a pattern of metal elements on a substrate |
01/05/1983 | EP0068415A1 Method of winding electric coils on closed cores, particularly ring cores |