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US 2006/0216507 A1Published application
Soft magnetism material and powder magnetic core
AssigneeSumitomo Electric Industries, Ltd.
InventorsHaruhisa Toyoda, Hirokazu Kugai, Kazuhiro Hirose, Naoto Igarashi, Takao Nishioka
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Abstract
The present invention provides a soft magnetic material and a powder magnetic core having desired magnetic characteristics. A soft magnetic material contains a metal magnetic powder 10. The metal magnetic powder 10 is formed from crystals 1 with an average size, as determined from X-ray diffraction, of at least 30 nm. It would be preferable, in the metal magnetic particles 10, for crystal grains 2 to have an average size of at least 10 microns.
Claims7
A soft magnetic material comprising:
- a metal magnetic powder, said metal magnetic powder being formed from crystals having an average size, as determined by X-ray diffraction, of at least 30 nm, and from crystal grain having an average size of at least 10 microns.
Dependencies are inferred from the claim text.