Patent ID: 11887760
Assignee: TDK CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC H  B  C | IPC C  H

Claim 0:
1. A soft magnetic alloy comprising a composition expressed by a formula of (Fe(1-α)Aα)(1-m-x-y)MmXxYy,
wherein M represents at least one selected from the group consisting of Zr and Hf,
X represents at least one selected from the group consisting of Ni, Mn, Cu, Co, Al, and Ge,
Y represents at least one selected from the group consisting of B, P, and Si,
A represents at least one selected from the group consisting of Ti, V, Cr, Zn, Mg, Sn, Bi, 0, N, S, and a rare earth element,
m, x, y, and α satisfy relationships of
0.070≤m≤0.120,
0.001≤x≤0.030,
0≤y≤0.010, and
0≤α≤0.100, and
the alloy comprises Fe-based nanocrystals having an average crystal grain size of 30 nm or less.