High frequency soft magnetic alloy and plane magnetic element, a

Details High frequency soft magnetic alloy and plane magnetic element, a High frequency soft magnetic alloy and plane magnetic element, a

1997-02-18

1998-11-10

Sheehan, John

Metal treatment

Stock

Magnetic

148403, H01F 1147, H01F 1153

Patent

active

058337709

ABSTRACT:
A soft magnetic alloy used as a radio frequency magnetic material and having high resistivity and high magnetic permeability in a high frequency band, and an inductor, a wave absorber and antenna each comprising the soft magnetic alloy. The soft magnetic alloy has a crystal phase containing Co as a main component and at least one element T selected as a primary component from Fe, Ni, Pd, Mn and Al, and having a face-centered cubic structure, a body-centered cubic structure or a mixture thereof having an average crystal grain size of 30 nm or less; and a ferromagnetic amorphous phase surrounding the crystal phase and containing at least one element M selected from Ti, Zr, Hf, Nb, Ta, Mo, W, Y and rare earth elements, O, N, C, B, at least one oxide of element M, Fe and element T.

REFERENCES:
patent: 5117321 (1992-05-01), Nakanishi et al.
patent: 5573863 (1996-11-01), Hakayakawa et al.
patent: 5591276 (1997-01-01), Yoshizawa et al.
patent: 5656101 (1997-08-01), Hayakawa et al.

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