Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
03/1996
03/20/1996CN1118925A Process for manufacturing MPP core forming powder and process for manufacturing MPP core using the powder
03/19/1996US5500141 Magnetic ink concentrate
03/19/1996US5499442 Delay line device and method of manufacturing the same
03/14/1996WO1996007767A1 Method of manufacture of amorphous transducer elements
03/14/1996WO1996007487A1 Method of synthesising materials having controlled electronic, magnetic and/or optical properties
03/14/1996CA2198927A1 Method of manufacture of amorphous transducer elements
03/13/1996EP0701262A1 Inductor and method for producing the same
03/13/1996EP0701235A2 Electromagnetic sensor element and methods and apparatus for making and using same
03/13/1996EP0701142A1 Magnetoresistance effect film and production process thereof
03/13/1996EP0700575A1 Winding head
03/13/1996EP0700571A1 Memory material and method for its manufacture
03/12/1996US5498298 Cobalt and copper alloy
03/12/1996US5497936 Method and apparatus for soldering a coil winding wire to a terminal pin
03/07/1996DE4430762A1 Vacuum impregnation with synthetic resin, partic. ignition coils
03/06/1996EP0505382B1 Coil assemblies
03/05/1996US5497136 Locating ring for encapsulating a coil
03/05/1996US5496631 Spinel crystal thin films on substrates for corrosion and oxidation resistance
03/05/1996US5496430 Taping method and apparatus
02/1996
02/29/1996DE4429849A1 Magnetic core winding protection e.g. for choke coils
02/27/1996US5494722 Contains a cobalt-chromiun-nickel-boron-tantalum magnetic alloy layer
02/27/1996US5494563 Method of making a magnetic core of a magnetic thin film head
02/22/1996WO1996005603A1 Manufacturing of ferromagnetic film for transformer and motor cores
02/21/1996EP0548176B1 A method and an apparatus for manufacturing an article of a composite material
02/21/1996CN1117195A Induction element and making of same
02/20/1996US5492661 Process for producing a casting ceramic
02/20/1996US5492605 Ion beam induced sputtered multilayered magnetic structures
02/15/1996WO1996004767A1 Method for making an inductor
02/15/1996DE4427767A1 Electrical coil with moulded former and housing
02/14/1996EP0696786A2 Electromagnetic sensor element and method and apparatus for making and using same
02/14/1996EP0696381A1 Process and device for establishing contact between wound wires and terminals
02/14/1996EP0696379A1 Rare earth element-metal-hydrogen-boron permanent magnet and method of production
02/08/1996DE4446204C1 Drying of absorbent electrical insulation material with emphasis on continuously effective operation
02/08/1996DE4442651C1 Inert-gas arc welding of connections to coils for miniature relay
02/08/1996DE3645282C2 Transformer with amorphous ferromagnetic laminated core
02/07/1996EP0696027A2 Magnetic alloy and method for manufacturing same
02/07/1996EP0695812A1 Nanocrystalline alloy with insulating coating, magnetic core made thereof, and process for forming insulating coating on a nanocrystalline alloy
02/06/1996US5489488 Electroplating
02/06/1996US5488887 Cutting apparatus for cutting strip material and for processing unnecessary strip material cut therefrom
02/01/1996WO1996002925A1 Magnetic thin film and production method therefor
02/01/1996DE4426138A1 Mould for casting resin round transformer coil
01/1996
01/31/1996EP0694933A1 Trimmable inductor structure
01/31/1996EP0510149B1 Coil former, in particular a coil former for small and safety transformers
01/30/1996US5488341 Permanent magnet member and method of producing same
01/30/1996US5487808 Apparatus for laminating plates
01/30/1996US5487356 Lanthium metal manganate formed on a substrate with vapor phase
01/25/1996DE19512343C1 Spool for winding wire
01/24/1996EP0693757A1 Inductor and method for producing the same
01/23/1996US5485669 Method of making an electrical coil
01/17/1996EP0692150A1 Armature winding method and apparatus
01/17/1996EP0692137A1 Compositions and methods for providing anisotropic conductive pathways and bonds between two sets of conductors
01/17/1996CN1115111A Rotary transformer and method for fabricating the same
01/16/1996US5485334 Magnetoresistive device and method having improved Barkhausen noise suppression
01/16/1996US5485135 Ignition coil assembly filled with resinous material
01/11/1996DE4432725C1 Forming three-dimensional components on surface of semiconductor chips etc.
01/10/1996EP0691663A1 Production method for a microcoil
01/10/1996EP0650635B1 Method for the fabrication of multipole magnets
01/09/1996US5483405 Mini-transformer with molded cover and retention structure
01/09/1996US5482575 Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
01/09/1996US5481792 Inductor winding method
01/04/1996DE4423079A1 Spool unit obtd. using soldering appts.
01/03/1996EP0690548A1 Method for producing ferrite magnets for motors
01/03/1996EP0690461A1 Method for making devices using metallized magnetic substrates
01/03/1996EP0690153A1 Oxide garnet single crystal
01/02/1996US5480101 Thin strip core for magnetic amplifiers
01/02/1996US5479810 Method for producing form wound stator coils
01/02/1996US5479695 Method of making a multilayer monolithic magnetic component
12/1995
12/27/1995EP0689214A1 Process of producing a multi-layered printed-coil substrate, printed-coil substrates and printed-coil components
12/27/1995EP0689213A1 Production method for a microcoil
12/27/1995CN1030592C Mini-transformer
12/26/1995US5478409 Method of producing sintered-or bond-rare earth element-iron-boron magnets
12/21/1995DE4431425C1 Method of assembling active part of transformer or choke with two coils or windings.
12/20/1995CN1113596A Thin-belt magnetic resistance material with Co-Cu base and doped particles and manufacture thereof
12/19/1995US5476728 Composite multilayer parts
12/14/1995WO1995033622A1 Laminate with u.v. cured polymer coating and method for making
12/14/1995CA2168849A1 Laminate with u.v. cured polymer coating and method for making
12/13/1995EP0686985A1 Coil assemblies
12/13/1995EP0686675A1 Magnetisable brilliant metallic pigments bearing multiple coatings
12/13/1995EP0686211A1 System for sputtering compositions onto a substrate
12/12/1995US5475554 Magnetic head using specified Fe Ta N Cu or Fe Ta N Ag alloy film
12/12/1995US5474799 Apparatus and method for coating an electromagnetic coil
12/06/1995EP0685857A1 Inductor chip device
12/06/1995CN1112962A Steel plate for electric use and iron core of motor transformer
12/05/1995US5473302 Narrow profile transformer having interleaved windings and cooling passage
11/1995
11/30/1995WO1995032511A1 Coil former and electric coil wound thereon
11/30/1995DE4418799A1 Mfg. method for interleaved continuously wound transformer winding
11/30/1995DE4418246A1 Spulenkörper und damit aufgebaute elektrische Spule Bobbin and so constructed electric coil
11/30/1995CA2167812A1 Coil former and electric coil wound thereon
11/29/1995EP0684647A1 Electronic parts having airbridge interconnection and method of manufacturing such electronic parts
11/29/1995CN1112720A Producing method for microcrystal rare-earth permanent-magnet with high performance
11/28/1995US5470401 Method of making bonded or sintered permanent magnets
11/28/1995US5470399 Molybdenum, nickel and iron alloy for powders formed by spraying an inert gas
11/23/1995DE4417897A1 Totalising current transformer modules assembly method
11/22/1995CN1112279A Plate inductor
11/21/1995US5468305 Recording material
11/21/1995US5468294 Apparatus for impregnation of an object with curable resin
11/15/1995CN1111801A Wound core for toroidal transformer
11/15/1995CN1030271C Composite electric part of stacked multi-layer structure
11/14/1995US5466539 High permeability iron-based alloy
11/14/1995US5466522 Cobalt platinum magnetic film and method of fabrication thereof
11/14/1995US5466492 Process for fixing wound items with radically polymerisable compounds