Invention Grant
- Patent Title: Powder for magnetic core and powder magnetic core
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Application No.: US14374976Application Date: 2013-02-04
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Publication No.: US09773596B2Publication Date: 2017-09-26
- Inventor: Hikaru Araki , Norikazu Muneda , Eiichirou Shimazu
- Applicant: Hikaru Araki , Norikazu Muneda , Eiichirou Shimazu
- Applicant Address: JP Osaka
- Assignee: NTN CORPORATION
- Current Assignee: NTN CORPORATION
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2012-023187 20120206; JP2012-250347 20121114; JP2013-017017 20130131
- International Application: PCT/JP2013/052462 WO 20130204
- International Announcement: WO2013/118677 WO 20130815
- Main IPC: H01F1/24
- IPC: H01F1/24 ; H01F1/20 ; B22F1/02 ; H01F27/255 ; H01F41/02 ; H01F3/08 ; H02K1/02
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.
Public/Granted literature
- US20140368304A1 POWDER FOR MAGNETIC CORE AND POWDER MAGNETIC CORE Public/Granted day:2014-12-18
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