Back to results
US 10,872,717 B2Granted
Composite magnetic material and magnetic core
AssigneeTDK Corporation
InventorsYu Yonezawa, Yoshihiro Shinkai
Life of this patent
Estimating the term…
Abstract
A composite magnetic material includes a needle-like powder and a spherical powder. The needle-like powder includes a soft magnetic material and has an average minor-axis length of 100 nm or less and an average aspect ratio of 3.0 or more and 10.0 or less. The spherical powder includes a soft magnetic material and has an average major-axis length of 100 nm or less and an average aspect ratio of less than 3.0.
Claims19
A composite magnetic material, comprising a needle-like powder and a spherical powder, wherein
- the needle-like powder comprises a soft magnetic material and has an average minor-axis length of 100 nm or less and an average aspect ratio of 3.0 or more and 10.0 or less, and
- the spherical powder comprises a soft magnetic material and has an average major-axis length of 100 nm or less and an average aspect ratio of less than 3.0.
Dependencies are inferred from the claim text.