Invention Grant
- Patent Title: Rare earth permanent magnet
-
Application No.: US15443748Application Date: 2017-02-27
-
Publication No.: US10453595B2Publication Date: 2019-10-22
- 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
- Agency: Oliff PLC
- Priority: JP2016-037793 20160229
- Main IPC: H01F1/053
- IPC: H01F1/053 ; C22C38/00 ; H01F1/08 ; H01F1/057
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
- US20170250014A1 RARE EARTH PERMANENT MAGNET Public/Granted day:2017-08-31
Information query
