Patents
Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146)
08/1994
08/17/1994EP0611084A1 Magnetic structures
08/17/1994EP0610386A1 In situ use of gelatin in the preparation of uniform ferrite particles
08/16/1994US5338376 Can be heat treated in air without oxidation
08/16/1994US5338373 Method of encoding and decoding a glassy alloy strip to be used as an identification marker
08/16/1994US5338371 Rare earth permanent magnet powder, method for producing same and bonded magnet
08/10/1994EP0610077A1 Magnetic powder and high density magnetic recording medium using same
08/10/1994EP0609803A1 Process for making molybdenum-permalloy metal dust cores
08/10/1994EP0609775A2 Ferrite with low dissipation and high saturation induction
08/10/1994CN1090675A Magnetic energy cell
08/09/1994US5336586 Magnetic medium and method of manufacturing the same
08/09/1994US5336337 Alloys containing at least iron, manganese and rare earth metals
08/06/1994CA2088855A1 Magnetic material
08/03/1994EP0609071A1 Magneto-plumbite ferrite particles for magnetic card, process for producing the same, and magnetic card using the same
08/03/1994EP0609070A1 Spherical magnetic particles and process for producing the same
08/03/1994EP0474730B1 Magnetic alloy compositions and permanent magnets
08/02/1994US5334265 Magnetic metal
08/02/1994US5334262 Method of production of very thin soft magnetic alloy strip
08/02/1994CA1331127C Method of producing fe-ni series alloys having improved effect for restraining streaks during etching
07/1994
07/28/1994DE4311151C1 Grain-orientated electro-steel sheets with good properties
07/27/1994EP0608188A1 Protecting process for magnetic powders and densified permanent magnets of Nd-Fe-B type against oxidation and atmospheric corrosion
07/26/1994WO1994017437A1 Magneto-optical element
07/26/1994US5332488 Etching, nickel plating, copper layer, chromate coating
07/23/1994CA2112868A1 Protection process of magnetic powders and fe nd b permanent magnets against oxidation and atmospheric corrosion
07/20/1994EP0519989B1 Ferromagnetic materials
07/19/1994US5330668 Organic ferromagnetic substance and process for producing same
07/19/1994US5330586 Hot and cold rolling; annealing, decarburization, and recrystallization
07/19/1994US5330554 Method for producing iron-nitride powders
07/13/1994EP0605934A1 Bonded magnet moulding composition and bonded magnet
07/13/1994EP0217966B1 Process for producing a multipolar magnet
07/13/1994CN1089386A Hot-pressed magnets formed from anisotropic powders
07/13/1994CN1089385A High stable rare earth-iron-permanent-magnetic carbide and its processing method
07/12/1994US5328618 Magnetic lubricants
07/07/1994WO1994015345A1 Rare earth magnetic powder, method of its manufacture, and resin-bonded magnet
07/07/1994WO1994014994A1 AMORPHOUS Fe-B-Si-C ALLOYS HAVING SOFT MAGNETIC CHARACTERISTICS USEFUL IN LOW FREQUENCY APPLICATIONS
07/07/1994WO1994014723A1 Manganese-zinc ferrite
07/07/1994CA2151833A1 Amorphous fe-b-si-c alloys having soft magnetic characteristics useful in low frequency applications
07/06/1994EP0604472A1 Hexagonal magnetic ferrite pigment for high density magnetic recording applications.
07/06/1994CN1089058A Improved edge coating for amorphous ribbon transformer cores
06/1994
06/29/1994EP0556318B1 Magnetic particles
06/23/1994DE4243048A1 Manufacturing hard magnetic materials using Sm Fe C system
06/23/1994DE4242839A1 Mfr. of magnetic anisotropic power of rare earth based compound
06/22/1994CN1088351A Strontiam and barium compounded permanent-magnet ferrite and its preparation
06/21/1994US5323282 Thin-film magnetic head
06/21/1994US5322756 Loading ion exchange resin with magneticc in, micronizing, adding dye, pigmented or chromogen-xerography
06/16/1994DE4337107A1 Prodn. of gold-cobalt system used in magnetoresistive sensors - comprises forming intermediate prod. from alloy having gold@ mixed crystals satd. with cobalt@, and converting into final prod.
06/15/1994EP0601943A1 R-Fe-B type magnet powder, sintered magnets therefrom and preparation process
06/15/1994EP0601854A2 Electromagnetic stainless steel
06/15/1994EP0601204A1 Powdery alloy for bonded magnet and bonded magnet
06/15/1994EP0601042A1 Powder-metallurgical composition having good soft magnetic properties
06/15/1994CN1088021A Magnetorheological materials utilizing surface-modified particles
06/15/1994CN1088020A Thixotropic magnetorheological materials
06/15/1994CN1088019A Low viscosity magnetorheological materials
06/14/1994US5321060 Method of making an iron/polymer powder composition
06/09/1994CA2110846A1 Type fe-tr-b magnetic powder, corresponding sintered magnets and a method for their preparation
06/08/1994EP0600529A2 Preparation and magnetic properties of very small magnetite-dextran particles
06/08/1994EP0600181A1 Method for producing regular grain oriented electrical steel using a single stage cold reduction
06/08/1994EP0599963A1 A method of encoding and decoding a glassy alloy strip to be used as an identification marker.
06/08/1994EP0302947B1 Rare earth element-iron base permanent magnet and process for its production
06/08/1994CN1087744A Solid resin-coated magnet powder for producing anisotropic bonded magnet and method of producing the same
06/08/1994CN1024968C Preparation method of rare-earth-ironboron premanent magnet material
06/07/1994US5318797 Coated particles, hollow particles, and process for manufacturing the same
06/03/1994CA2107280A1 Preparation and magnetic properties of very small magnetite-dextran particles
06/01/1994EP0599815A1 Magnetic alloy and method of making the same
06/01/1994EP0599647A2 Production method of a rare earth-iron-nitrogen system permanent magnet
06/01/1994EP0599365A1 Hot-pressed magnets formed from anisotropic powders
06/01/1994EP0599201A1 Microwave magnetic material and method of fabricating the same
06/01/1994EP0538320B1 Method for processing powdered magnetic materials and products thereby obtained
06/01/1994EP0407608B1 Nickel-iron base magnetic alloy having high permeability
05/1994
05/31/1994US5316699 Process for the controlled preparation of a composite of ultrafine magnetic particles homogeneously dispersed in a dielectric matrix
05/31/1994US5316595 Process for producing magnets having improved corrosion resistance
05/26/1994WO1994011890A1 Improved edge coating for amorphous ribbon transformer cores
05/26/1994CA2148841A1 Improved edge coating for amorphous ribbon transformer cores
05/24/1994US5314548 Fine grained anisotropic powder from melt-spun ribbons
05/21/1994CA2098553A1 Hot pressed magnets formed from anisotropic powders
05/18/1994EP0597694A1 Magnetic particles for magnetic recording medium and process for producing the same
05/18/1994EP0597582A1 Rare-earth magnet powder material
05/18/1994EP0597284A1 Insulating process for soft magnetic strips
05/18/1994CN1086923A Method of manufacturing a permanent magnet on the basis of ndfeb
05/17/1994US5313192 Marker for use in an article surveillance system
05/17/1994US5313017 Composite jacket of polytetrafluoroethylene and polyimide; aerospace
05/17/1994US5312674 Low-temperature-cofired-ceramic (LTCC) tape structures including cofired ferromagnetic elements, drop-in components and multi-layer transformer
05/11/1994WO1994010694A1 Magnetorheological materials utilizing surface-modified particles
05/11/1994WO1994010693A1 Thixotropic magnetorheological materials
05/11/1994WO1994010692A1 Low viscosity magnetorheological materials
05/11/1994WO1994010691A1 Magnetorheological materials based on alloy particles
05/11/1994EP0596385A1 Process for the manufacture of rare earth alloys of the type RE2Fe17-xTMxNy
05/11/1994EP0595829A1 Amorphous rare earth-iron materials
05/11/1994EP0482012B1 Iron-rich metallic glasses having high saturation induction and superior soft ferromagnetic properties
05/11/1994CN1024470C Improved iron-based amorphous alloys containing cobalt
05/11/1994CA2148001A1 Magnetorheological materials utilizing surface-modified particles
05/11/1994CA2146551A1 Magnetorheological materials based on alloy particles
05/10/1994US5309977 Melting rare earth element alloy; injecting through nozzle against rotating chill roll
05/06/1994CA2108736A1 Method for the preparation of alloys of the rare earth metals of the se fe tm n type
05/04/1994EP0595477A1 Method of manufacturing powder material for anisotropic magnets and method of manufacturing magnets using the powder material
05/04/1994EP0380557B1 Improved iron-based amorphous alloys containing cobalt
04/1994
04/28/1994WO1994009172A1 IMPROVED HARMONIC MARKERS MADE FROM Fe-Ni BASED SOFT MAGNETIC ALLOYS HAVING NANOCRYSTALLINE STRUCTURE
04/28/1994CA2145745A1 Improved harmonic markers made from fe - ni based soft magnetic alloys having nanocrystalline structure
04/27/1994EP0594309A1 Non-uniaxial permanent magnet material
04/27/1994EP0542829B1 Method for producing magnetic microparticles from metallocenes
04/26/1994US5306524 Thermoplastic coated magnetic powder compositions and methods of making same