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US 11,456,097 B2Granted
Composite magnetic body
AssigneeTDK Corporation
InventorsYusuke Ariake, Isao Kanada
Life of this patent
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Abstract
The present invention provides a composite magnetic body comprising metal particles containing Fe or Fe and Co as a main component and a resin, wherein an average major axis diameter of the metal particles is 30 to 500 nm, an average of the aspect ratios of the metal particles is 1.5 to 10, and a CV value of the aspect ratios is 0.40 or less.
Claims2
A composite magnetic body comprising:
- metal particles containing Fe or Fe and Co as a main component;
- and
- a resin,
- wherein an average major axis diameter of the metal particles is 30 to 500 nm,
- an average of the aspect ratios of the metal particles is 1.5 to 10,
- a CV value of the aspect ratios is 0.40 or less, and
- the metal particle comprises a metal core portion and a metal oxide film coating the metal core portion.
4 more elements
Dependencies are inferred from the claim text.