Flat soft magnetic metal powder and composite magnetic...

Details Flat soft magnetic metal powder and composite magnetic... Flat soft magnetic metal powder and composite magnetic...

2006-02-09

2009-11-24

Sheehan, John P. (Department: 1793)

Metal treatment

Stock

Magnetic

C148S425000, C420S441000, C420S459000, C420S460000

Reexamination Certificate

active

07622012

ABSTRACT:
A flat soft magnetic metal powder is provided that includes: Ni in the range of 60 to 90 mass %, one or more kinds of Nb, V, and Ta in the range of 0.05 to 20 mass % in total (0.05 to 19.95 mass % when Mo is added thereto), Mo in the range of 0.05 to 10 mass % if necessary, one or two kinds of Al and Mn in the range of 0.01 to 1 mass % in total if necessary, and the balance including Fe; an average grain size of 30 to 150 μm and an aspect ratio (average grain size/average thickness) of 5 to 500; and a flat face. Here, with a peak intensity of a face index (220) in an X-ray diffraction pattern I220and a peak intensity of a face index (111) I111, a peak intensity ratio I220/I111is in the range of 0.1 to 10.

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