Process for producing soft magnetism material, soft...

Details Process for producing soft magnetism material, soft... Process for producing soft magnetism material, soft...

2004-10-01

2009-10-13

Sheehan, John P. (Department: 1793)

Metal treatment

Stock

Magnetic

C148S307000, C148S309000, C148S310000, C148S311000, C148S312000, C148S313000, C075S255000, C428S472300

Reexamination Certificate

active

07601229

ABSTRACT:
A method for making soft magnetic material includes: a first heat treatment step applying a temperature of at least 400 deg C. and less than 900 deg C. to metal magnetic particles; a step for forming a plurality of compound magnetic particles in which said metal magnetic particles are surrounded by insulation film; and a step for forming a shaped body by compacting a plurality of compound magnetic particles. This provides a method for making soft magnetic material that provides desired magnetic properties.

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patent: 6702870 (2004-03-01), Hultman et al.
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patent: 2003-257723 (2003-09-01), None
PCT International Preliminary Report on Patentability issued on Jun. 20, 2006.

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