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US 2014/0368304 A1Published application
Powder for magnetic core and powder magnetic core
AssigneeNtn Corporation
InventorsHikaru Araki, Norikazu Muneda, Eiichirou Shimazu
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Abstract
Provided is a powder for a magnetic core (1), including a soft magnetic metal powder (2); and an insulating coating film (3) covering a surface of the soft magnetic metal powder (2), in which the insulating coating film (3) is formed of an aggregate of crystals (4) obtained by cleaving a layered oxide. The crystals (4) are obtained by, for example, cleaving a swellable smectite-group mineral, which is one kind of swellable layered clay mineral as the layered oxide.
Claims17
A powder for a magnetic core, comprising:
- a soft magnetic metal powder;
- and
- an insulating coating film covering a surface of the soft magnetic metal powder,
- wherein the insulating coating film is formed of an aggregate of crystals obtained by cleaving a layered oxide.
1 more element
Dependencies are inferred from the claim text.