Patent ID: 11894168
Assignee: SEIKO EPSON CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC H  B  C | IPC B  C  H

Claim 0:
1. A soft magnetic powder, comprising:
a composition consisting of Fe100-a-b-c-d-e-f-g-hCUaSibBcMdM′eXfAlgTih,
wherein M is at least one element selected from the group consisting of Nb, W, Ta, Zr, Hf, and Mo,
M′ is at least one element selected from the group consisting of V, Cr, Mn, a platinum group element, Sc, Y, Au, Zn, Sn, and Re,
X is at least one element selected from the group consisting of Sb, In, Be, and As, and
where a, b, c, d, e, f, g, and h represent an atomic percentage
0.1≤a≤3,
5<b≤20,
3<c≤20,
5≤b+c≤30,
0.1≤d≤30,
0≤e≤10,
0.1≤f≤5,
0.002≤g≤0.032, and
0.002≤h≤0.038, and
a crystalline structure contained in an amount of 40 vol % or more, the crystalline structure having a particle diameter of 1 nm to 30 nm,
wherein a volume resistivity of a green compact in a compacted state at a pressure of 10 MPa is 1 KΩ·cm or more and 500 Ω·cm or less,
whereon the soft magnetic powder is an atomized powder having an average particle size of 1 μm or more and 40 μm or less, and
wherein a Vickers hardness of particles of the soft magnetic powder is 1000 or more and 3000 or less, as measured in a central portion of a cross-section of each of the particles.