Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
01/1983
01/05/1983EP0068131A2 A magnetic recording medium
12/1982
12/28/1982US4365747 Electromagnetically actuatable fuel injection valve
12/28/1982CA1138541A1 Modular air core coil assembly
12/15/1982EP0066633A1 Process for forming a ceramic-like insulation
12/14/1982CA1137576A1 Transformer winding
12/08/1982EP0066348A2 Method for producing magnets
12/08/1982EP0066146A2 Method for manufacturing magnetic recording medium
12/07/1982US4362767 Magnetic thin film and method of making it
12/07/1982US4362279 Wire brake for a winding machine
12/01/1982EP0065910A1 Magnetic circuit, inductance utilizing such a circuit and method of producing inductances
12/01/1982EP0065612A2 Application of core plates to magnetic circuits
11/1982
11/24/1982EP0065147A1 Method of forming electric coils
11/23/1982US4360893 Magnetic devices and method of manufacture
11/17/1982EP0064846A2 Method of making motor stator
11/16/1982CA1135852A1 Bubble memory chip and method for manufacture
11/16/1982CA1135845A1 Narrow track ferrite head cores
11/16/1982CA1135601A1 Method for forming a crystalline film for a paramagnetic sodium thallium type intermetallic compound
11/11/1982WO1982003940A1 Method and apparatus for generating electron spin reversal in ferrimagnetic material
11/10/1982EP0064156A2 Method of coating disc substrates with magnetic materials
11/09/1982US4358356 Method for sloping insulative layer in bubble memory
11/09/1982US4358339 Method of fabrication of bubble domain device structures
11/09/1982CA1135044A1 Amorphous magnetic film
11/02/1982US4357683 Magnetic bubble memory with ion-implanted layer
10/1982
10/26/1982US4355459 Method of coiling a wire in a tube
10/20/1982EP0062764A2 Process for producing a metallic magnetic thin-film plate, and an apparatus for performing this process
10/19/1982US4355221 Method of field annealing an amorphous metal core by means of induction heating
10/19/1982US4354909 Cluster ion beam deposition, cobalt, cobalt alloy, chromium dioxide
10/19/1982US4354908 Process for the production of magnetic recording members
10/19/1982US4354310 Method of making inductance
10/14/1982WO1982003491A1 Iron core laminate manufacturing apparatus
10/12/1982US4353937 Coating method
10/12/1982CA1133449A1 Shuttle drive assembly for wrapping apparatus
10/05/1982US4352862 Thermally stable magnetic film which resists hard bubbles
10/05/1982US4352465 Device for manufacturing resistors from insulated wire
09/1982
09/22/1982EP0060632A2 Thin film magneto-resistive sensors and methods for their manufacture
09/14/1982US4349411 Etch procedure for aluminum alloy
09/14/1982CA1131438A1 Method and alloying elements for producing high coercive force and high squareness magnetic film for magnetic recording medium
09/14/1982CA1131437A1 Process for producing ni-fe magnetic tape cores
09/07/1982US4347659 Method of making stick wound coils
09/01/1982EP0059117A1 Method and machine for making a wound magnetic circuit
09/01/1982EP0058905A1 Transformer or inductance cooled by insulating liquid, method and device for manufacturing them
09/01/1982EP0058879A1 Test method for the manufacturing of electric windings, for example for transformers, and apparatus for the use of the method
09/01/1982EP0058873A1 Winding apparatus
08/1982
08/31/1982US4347449 Process for making a magnetic armature of divided structure and armature thus obtained
08/31/1982CA1130901A1 Magnetic mirror for imparting non-reciprocal phase shift
08/31/1982CA1130544A1 Method and apparatus for the optimum stabilization of transformer and choke coil windings
08/25/1982EP0058460A1 Method of, and apparatus for, orthocyclically winding coils
08/25/1982EP0058315A1 Method of making a ferromagnetic piece, ferromagnetic piece, and use of the same
08/24/1982US4346456 Magnetic bubble device
08/17/1982US4345007 A memory cell having a nickel-phosphorus alloy coating over a nickel-iron permalloy layer
08/10/1982US4344153 Magnetic bubble memory device and method of fabricating the same
08/10/1982US4343834 Process for preparing magnetic recording medium
07/1982
07/20/1982US4340186 Flyer-type coil winding machine
07/20/1982CA1128206A1 Bubble device fabrication
07/13/1982US4339337 Process for the preparation of magnetic beads of vinylaromatic polymers
07/13/1982US4339305 Planar circuit fabrication by plating and liftoff
07/07/1982EP0055620A2 Method of projecting circuit patterns
07/07/1982EP0055377A2 Method of depositing nickel-iron-boron alloy magnetic films
07/06/1982US4337569 Method of making integrally formed transformer cooling ducts
07/06/1982CA1127054A1 Temperature-stabilized low-loss ferrite films
07/06/1982CA1126938A1 Apparatus for making an inductive delay line component
06/1982
06/30/1982EP0055050A1 Lamination-wound chip coil and method for manufacturing the same
06/29/1982US4337219 Curing and shrinking a resin around the coils
06/23/1982EP0054269A2 Perpendicular magnetic recording medium, method for producing the same, and sputtering device
06/22/1982US4336302 Insulating tape for fabricating an insulating sleeve for electric conductors impregnated with a thermo-setting epoxy resin/acid anhydride mixture
06/22/1982US4336066 Method for manufacturing components for magnetic heads of increased abrasion resistance
06/22/1982US4335856 Coil winding machine
06/16/1982EP0053811A1 Magnetic recording media
06/16/1982EP0053644A1 Method of manufacturing a coil on an inductance or transformer core, and winding heads constructed by this method
06/15/1982US4335162 Magnetic bubbles, garnets, quenching, barriers
06/15/1982US4334951 Fabrication technique for the production of devices which depend on magnetic bubbles
06/15/1982US4334950 Advantageous fabrication technique for devices relying on magnetic properties
06/15/1982CA1125485A1 Magnetic core winding method and apparatus
06/10/1982WO1982001837A1 Method and device for making articles of ferromagnetic powder materials
06/08/1982US4334208 Coil former for a transformer
06/08/1982US4333991 Magnetic garnet film and manufacturing method therefor
06/08/1982US4333961 Preparation of thin, aligned magnetic coatings
06/08/1982US4333900 Process for manufacture of high voltage transformers and the like
06/08/1982US4333228 Method for producing a super-conductive coil and coil produced in accordance with this method
06/08/1982CA1124998A1 Process for making a divided structure magnetic armature and armature made by this process
05/1982
05/25/1982US4331946 Connection of wire leads to miniature coil assemblies
05/25/1982CA1124344A1 Core with step lap joints
05/19/1982EP0051825A2 Method of manufacturing a molded coil
05/18/1982CA1123783A1 Method of making heat curable adhesive coated insulation for transformers
05/11/1982USRE30927 Terminal forming and installing apparatus
04/1982
04/28/1982EP0050303A1 Process for manufacturing magnetic pole assembly
04/27/1982US4327346 Anisotropic polymeric magnet in the tubular form and process for producing the same
04/27/1982US4327265 Method for producing one or more contact connections between a lacquer-insulated wire and one or more contact parts of an electric component
04/27/1982US4326936 Masking,ion milling
04/27/1982US4326908 Laminating, winding, magnetization
04/27/1982CA1122399A1 Corrosion resistant magnetic recording media
04/20/1982US4325757 Method of forming thin curved rare earth-transition metal magnets from lightly compacted powder preforms
04/13/1982US4325045 Device for providing windings on closed ring cores
04/07/1982EP0048884A2 Vacuum evaporation system for deposition of thin films
04/07/1982EP0048880A1 Method of fixing the windings of a superconductive magnet coil
04/06/1982US4323629 Metallic thin film magnetic recording medium
04/06/1982US4322884 Method of introducing an anti-microphony sponge into an air-cored coil
03/1982
03/30/1982US4322698 Laminated electronic parts and process for making the same
03/30/1982US4322454 Process for regulating to desired values the dimensions of the bubbles of magnetic bubble elements
03/23/1982US4320876 Selectively winding strands on a support member