Invention Application
- Patent Title: RARE EARTH PERMANENT MAGNET
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Application No.: US15443748Application Date: 2017-02-27
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Publication No.: US20170250014A1Publication Date: 2017-08-31
- Inventor: Tetsuya HIDAKA , Yuki NAGAMINE , Yoshinori FUJIKAWA
- Applicant: TDK CORPORATION
- Applicant Address: JP Tokyo
- Assignee: TDK CORPORATION
- Current Assignee: TDK CORPORATION
- Current Assignee Address: JP Tokyo
- Priority: JP2016-037793 20160229
- Main IPC: H01F1/053
- IPC: H01F1/053 ; C22C38/00 ; H01F1/08
Abstract:
A rare earth permanent magnet includes a main phase composed of a main phase particle and a grain boundary present among a plurality of the main phase particles. The grain boundary includes a region whose electric resistance is higher than that of the main phase.
Public/Granted literature
- US10453595B2 Rare earth permanent magnet Public/Granted day:2019-10-22
Information query
