Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
10/1985
10/09/1985EP0156897A1 Process for depositing a thin-film layer of magnetic material onto an insulative dielectric layer of a semiconductor substrate
10/01/1985US4544438 Including oxides of vanadium, tungsten or molybdenum to increase magnetic antisotropy
10/01/1985US4544421 Multi-directional field annealing of a thin-film electromagnetic read/write head
09/1985
09/24/1985US4543555 Coil assembly for hot melt induction heater apparatus
09/24/1985US4543553 Chip-type inductor
09/24/1985US4543301 Magnetic recording medium
09/24/1985CA1194117A1 Method of making eddy-current probes and probes made by the method
09/18/1985EP0154862A1 Method for producing superconducting coil
09/17/1985US4542362 Electrical transformers with improved insulation and coolant guiding
09/17/1985US4541171 Method of forming cooling ducts
09/17/1985CA1193479A1 Metal oxide patterns with planar surface
09/11/1985EP0154524A2 Process for manufacturing a magnetic bubble memory chip
09/11/1985EP0154158A1 Process for manufacturing magnetic recording media
09/10/1985US4540600 Process for producing a magnetic recording medium
09/10/1985US4540536 Method of manufacturing transformer windings embedded in casting resin
09/10/1985US4540030 Apparatus for compacting loose wraps of wire on terminals
09/03/1985CA1192797A1 Power insertable polyamide-imide coated magnet wire
08/1985
08/28/1985EP0152634A2 Method for manufacture of printed wiring board
08/27/1985US4538132 Impedance converting transformer formed of conductors extending through a magnetic housing
08/27/1985US4538130 Tunable segmented ring magnet and method of manufacture
08/27/1985US4538045 Electric wiring terminal and method of making same
08/27/1985CA1192636A1 Ignition coil core and method of making it
08/21/1985EP0152325A1 Process for producing a coil for magnetic recording head and coil produced by that process
08/21/1985EP0151861A2 Thermally controlled sputtering of high anisotropy magnetic material
08/20/1985CA1192281A1 Toroidal electrical transformer and method of producing same
08/20/1985CA1192036A1 Electrical apparatus having an improved liquid dielectric composition
08/13/1985US4534997 Fusion of a silicon carbide insulating coating on a wound filament
08/07/1985EP0151048A1 Improvements in or relating to electrical induction apparatus
08/07/1985EP0150921A1 Method of making a void-free non-cellulose electrical winding
08/07/1985EP0150685A2 Method and machine for insulating electric conductors for transformers by glueing insulation coating sheet and conductors thus insulated
08/06/1985US4533603 Substrate and thin layer of manganese, aluminum, and copper or alloy thereof
08/06/1985US4533431 Process for producing conductors for integrated circuits using planar technology
08/06/1985US4533407 Heating and pressurizing to compact rings of compressed powder stacked in a deformable cannister
08/01/1985WO1985003379A1 Method and apparatus for slitting amorphous metal
07/1985
07/30/1985US4531990 Method for producing a magnetic tape
07/23/1985US4530563 Method for making a solder joint and the solder joint made thereby
07/16/1985US4529621 Process for depositing a thin-film layer of magnetic material onto an insulative dielectric layer of a semiconductor substrate
07/16/1985US4529177 Transformer core mandrel
07/16/1985US4529138 Strip core winder for core-coil assembly
07/09/1985US4528645 Magnetic bubble memory device
07/03/1985EP0147322A2 Method for forming a pattern having a fine gap.
07/03/1985EP0146985A2 Process for making thin ferrimagnetic monocrystalline garnet films by cathodic sputtering
07/03/1985EP0146796A2 Process for the fabrication of thin film magnetic transducer gaps by lift-off
07/02/1985US4526131 Magnetic recording medium manufacturing apparatus
07/02/1985CA1189985A1 Method of forming a pattern of metal elements
07/02/1985CA1189822A1 Method for producing magnetic recording layers of thin-film disks
06/1985
06/26/1985EP0146268A1 Magnet for catching thereon foreign bodies within the reticulum of ruminant, and method and instrument for manufacture thereof
06/25/1985US4524507 Laminated core producing apparatus
06/19/1985EP0144851A2 Sputtering of a permalloy layer
06/18/1985US4523447 Wire coiler
06/18/1985CA1189200A1 Post treatment of perpendicular magnetic recording media
06/11/1985US4523170 Adjustable air gap ferrite structures and methods of manufacture
06/11/1985US4523169 Dry type transformer having improved ducting
06/11/1985US4522094 Automatic lamination cutting machine for electric shunt induction winding
06/11/1985US4521957 Method of constructing a magnetic core
06/11/1985US4521956 Method for making a transformer having improved space factor
06/11/1985US4521955 Method of making a ducted dry type transformer
06/11/1985US4521954 Method for making a dry type transformer
06/11/1985CA1188767A1 Fine wire cable and method for producing same
06/05/1985EP0143319A1 Electromechanical winding device with connection to the terminals
06/04/1985US4521481 Magnetic recording medium
06/04/1985US4520556 Methods for assembling a transformer core
05/1985
05/28/1985US4520480 Digital transmission system
05/28/1985US4520335 Transformer with ferromagnetic circuits of unequal saturation inductions
05/28/1985US4520288 Ignition magneto having an improved primary winding construction
05/28/1985US4520078 Cores for electromagnetic apparatus and methods of fabrication
05/28/1985US4519552 Wire routing, tension-controlling and breaking mechanism
05/23/1985WO1985002141A1 Heating amorphous metal to facilitate cutting
05/22/1985EP0142297A1 Polymer compositions containing magnetically susceptible fillers
05/22/1985EP0142061A1 Electromagnetic relay and method for its manufacture
05/21/1985US4518634 Method and apparatus for coating magnetic recording media
05/21/1985US4518114 Dip soldering apparatus and method
05/14/1985US4517616 Thin film magnetic recording transducer having embedded pole piece design
05/14/1985US4517268 Process for magnetic image character recognition
05/14/1985CA1186873A1 Processing amorphous metal into packets by bonding with low melting point material
05/08/1985EP0140259A2 Transverse gradient field coil
05/07/1985US4516104 Dielectric material wrapped with fluoroplastic-coated polyimide tape
05/07/1985CA1186668A1 Automatic wire winding apparatus
05/02/1985EP0139556A2 Process for producing ion implanted bubble device
05/02/1985EP0139506A2 Multi-directional field annealing of a thin-film electromagnetic read/write head
04/1985
04/30/1985US4514827 Method for selecting propagation elements for magnetic bubble memory
04/30/1985US4514713 Inductive ballast coated with an insulation layer and method of coating the ballast
04/30/1985US4514451 Non-squealing
04/30/1985US4513920 Winding machine for winding elongate members or cores
04/24/1985EP0138515A2 An apparatus for use in manufacturing a perpendicular magnetic recording member
04/24/1985EP0138408A2 An electromagnet and a method for manufacturing it
04/16/1985US4511872 Inductance tuning means and methods of manufacture
04/16/1985US4511870 Focussing solenoid, application thereof and a process for manufacturing same
04/16/1985US4511594 System of manufacturing magnetic recording media
04/16/1985US4511094 Winding apparatus
04/11/1985WO1985001610A1 Process for depositing a thin-film layer of magnetic material onto an insulative dielectric layer of a semiconductor substrate
04/09/1985US4510231 Ion implatation, controlled photoetching
04/03/1985EP0136265A1 Resonant circuit for theft protection of articles, method of making such circuits and device for carrying out the method
03/1985
03/27/1985EP0135118A2 Method of producing fine particles
03/26/1985US4507364 Cobalt-chromium alloy
03/26/1985CA1184621A1 Transformer, and method of manufacture
03/13/1985EP0133858A1 Method of and device for manufacturing packets made of sheet plates for magnetic cores of electric machines
03/12/1985US4504023 Apparatus producing constant cable tension for intermittent demand
03/12/1985US4503605 Method of making a cellulose-free electrical winding
03/05/1985US4503517 Magnetic bubble memory device