Title:
The powder for magnetic cores, and a powder magnetic core
Document Type and Number:
Japanese Patent JP6113516
Kind Code:
B2
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.
Inventors:
Katayanagi
Hokazu Soda
Eiichiro Shimazu
Hokazu Soda
Eiichiro Shimazu
Application Number:
JP2013017017A
Publication Date:
April 12, 2017
Filing Date:
January 31, 2013
Export Citation:
Assignee:
ntn corporation
International Classes:
H01F1/24; B22F1/16; B22F3/00; B22F3/02; B22F3/24; H01F1/33; H01F27/255; H01F41/02
Domestic Patent References:
| JP2000003810A | ||||
| JP2011105990A |
Foreign References:
| WO2009128427A1 |
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Tsuyoshi Kumano