Patent ID: 11870300
Assignee: KABUSHIKI KAISHA TOSHIBA
Field: Materials, metallurgy (Chemistry)
Classification: CPC H  B  C | IPC B  H

Claim 0:
1. A pressed powder material, comprising:
a plurality of flaky magnetic metal particles, each flaky magnetic metal particle having a flat surface; and a magnetic metal phase containing at least one first element selected from the group consisting of Fe, Co, and Ni, the flaky magnetic metal particles having an average thickness of from 10 nm to 100 μm and an average value of the ratio of the average length in the flat surface to the thickness of from 5 to 10,000; and
an intercalated phase existing between the flaky magnetic metal particles and containing at least one second element selected from the group consisting of oxygen (O), carbon (C), nitrogen (N), and fluorine (F),, wherein the pressed powder material includes a plane,
and wherein the pressed powder material includes, in a predetermined cross-section perpendicular to the flat surfaces, a void site at the boundary part between the flat surface of a flaky magnetic metal particle and the intercalated phase in contact with the flat surface, and the ratio of the length of the void site is 20% or less with respect to the length of the flat surface.