Compressed magnetic powder core

Details Compressed magnetic powder core Compressed magnetic powder core

1988-10-20

1990-05-22

Sheehan, John P.

Metal treatment

Stock

Magnetic

75230, 75232, 75235, H01F 104

Patent

active

049274732

ABSTRACT:
A compressed powder core is made of a compressed body of a magnetic powder each particle of which has a surface covered with an insulating layer. The insulating layer is formed of an insulating material selected from the group consisting of an inorganic compound powder having an electronegativity of not less than 12.5, an inorganic compound powder having an electronegativity of less than 8.5, a metal alkoxide and a decomposition product of a metal alkoxide.

REFERENCES:
patent: 1981468 (1934-11-01), Roseby
patent: 2873225 (1959-02-01), Adams et al.
patent: 4158561 (1979-06-01), Pavlik et al.
patent: 4265681 (1981-05-01), Krause et al.

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