Laminated magnetic material and method of producing the same

Details Laminated magnetic material and method of producing the same Laminated magnetic material and method of producing the same

1989-10-24

1992-04-14

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Composite

Of metal

29603, 2041922, 360126, 428900, 428906, B32B 1504

Patent

active

051047390

ABSTRACT:
A laminated magnetic material suitable for use as a material of a magnetic core has a plurality of layers of an Fe-Si-Al type magnetic metal and a plurality of electrically insulating layers both of which layers are laminated alternatingly, the magnetic metal containing 0.001 to 0.3 wt % of oxygen. The laminated magnetic material can be produced by forming, on a base film, a film made of a magnetic powder of an Fe-Si-Al type metal containing 0.001 to 0.3 wt % of oxygen, separating the film of the magnetic powder from the base film, laminating the separated film of magnetic powder so as to form a laminated structure, and extruding the laminated structure.

REFERENCES:
patent: 4025379 (1977-05-01), Whetstone
patent: 4535376 (1985-08-01), Nomura et al.
patent: 4846948 (1989-07-01), Saito et al.
patent: 4894742 (1990-01-01), Saito et al.
patent: 5001590 (1991-03-01), Saito et al.
IBM Technical Disclosure Bulletin, vol. 12, No. 4, pp. 562-563, "Laminated Structures", G. W. Brock et al, Sep. 1969, New York, U.S.

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