1
Bao Min Ma, Wan Li Liu, Yu Lan Liang: Magnetically anisotropic spherical powder and method of making same. Rhone Poulenc, Adduci Mastriani & Schaumberg, December 12, 1995: US05474623 (8 worldwide citation)

A method of forming a magnetically anisotropic powder includes the steps of forming a substantially spherical powder having a major magnetic phase and an average particle size of less than about 200 microns, diffusing hydrogen into the spherical powder at elevated temperatures in an amount sufficien ...


2
Ma Bao Min, Liu Wan Li, Liang Yu Lan: Magnetically anisotropic spherical powder.. Rhone Poulenc Spec Chim, November 30, 1994: EP0626703-A2

A method of forming a magnetically anisotropic powder includes the steps of forming a substantially spherical powder having a major magnetic phase and an average particle size of less than about 200 microns, diffusing hydrogen into the spherical powder at elevated temperatures in an amount sufficien ...


3
Ma Bao Min, Liu Wan Li, Liang Yu Lan Wang: Poudre spherique magnetiquement anisotrope, Magnetically anisotropic spherical powder. Rhone Poulenc Specialty Chemicals Co, Santoku Corporation, GOWLING LAFLEUR HENDERSON, October 17, 2006: CA2124395

A method of forming a magnetically anisotropic powder includesthe steps of forming a substantially spherical powder having amajor magnetic phase and an average particle size of less thanabout 200 microns, diffusing hydrogen into the spherical powder atelevated temperatures in an amount sufficient to ...


4
Bao Min Ma, Wan Li Liu, Yu Lan Liang: Magnetically anisotropic spherical powder. Rhone Poulenc Specialty Chemicals Co, QUAN JING, March 15, 1995: CN94105584

A method of forming a magnetically anisotropic powder includes the steps of forming a substantially spherical powder having a major magnetic phase and an average particle size of less than about 200 microns, diffusing hydrogen into the spherical powder at elevated temperatures in an amount sufficien ...


5
Ma Bao Min, Liu Wan Li, Liang Yu Lan: Magnetically anisotropic spherical powder and its production. Rhone Poulenc Specialty Chem Co, December 20, 1994: JP1994-346101

PURPOSE: To produce magnetic particles which are magnetically anisotropic and spherical, and to provide a method for producing the same, and concretely to obtain a magnetic material of high intrinsic saturation coercivity and a bonded magnet of high quality. CONSTITUTION: The substantially spherical ...



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