PERMANENT MAGNET, METHOD FOR MANUFACTURING SAME, AND MOTOR COMPRISING SAME

Title:

PERMANENT MAGNET, METHOD FOR MANUFACTURING SAME, AND MOTOR COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2018/190628

Kind Code:

A1

Abstract:

A permanent magnet of an embodiment comprises: a base magnet represented by a-b-c (a includes a rare earth-based element, b includes a transition element, and c includes boron (B)); and a coating layer coated on a surface of the base magnet, wherein the coating layer comprises a compound containing a metal having magnetism, the compound including: a phosphor (P); and a metal belonging to the fourth period in the periodic table.

Inventors:

HAN JONG SOO (KR)
BAE SEOK (KR)
LEE YOUNG JAE (KR)
CHOI DONG HYEOK (KR)
LEE JUNG EUN (KR)

Application Number:

PCT/KR2018/004223

Publication Date:

October 18, 2018

Filing Date:

April 11, 2018

Export Citation:

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Assignee:

LG INNOTEK CO LTD (KR)

International Classes:

H01F7/02; H01F1/01; H01F1/053; H01F1/057; H01F41/02; H01F41/26; H02K1/27

Domestic Patent References:

WO2013036340A1

2013-03-14

Foreign References:

JP2011009627A	2011-01-13
JP2001176709A	2001-06-29
JP2002126642A	2002-05-08
JP2009176880A	2009-08-06

Other References: