	US 12,064,983 B2
	Method for forming coating film on rare earth magnet surface, and rare earth magnet
Yuta Kuribara, Echizen (JP); and Kazuhito Akada, Echizen (JP)
Assigned to Shin-Etsu Chemical Co., Ltd., Tokyo (JP)
Appl. No. 16/623,919
Filed by Shin-Etsu Chemical Co., Ltd., Tokyo (JP)
PCT Filed Jun. 28, 2018, PCT No. PCT/JP2018/024640 § 371(c)(1), (2) Date Dec. 18, 2019, PCT Pub. No. WO2019/004368, PCT Pub. Date Jan. 3, 2019.
Claims priority of application No. 2017-127661 (JP), filed on Jun. 29, 2017; and application No. 2017-218124 (JP), filed on Nov. 13, 2017.
Prior Publication US 2021/0146709 A1, May 20, 2021
Int. Cl. B41M 5/00 (2006.01); B05D 1/26 (2006.01); B05D 3/06 (2006.01); B41M 7/00 (2006.01); C23C 26/00 (2006.01); H01F 1/053 (2006.01); H01F 7/02 (2006.01); H01F 41/02 (2006.01)

CPC B41M 5/0058 (2013.01) [B41M 5/0047 (2013.01); B41M 7/0081 (2013.01); C23C 26/00 (2013.01); H01F 1/053 (2013.01); H01F 7/0221 (2013.01); H01F 41/0253 (2013.01); H01F 41/026 (2013.01); B05D 1/26 (2013.01); B05D 3/067 (2013.01)]

12 Claims

1. A rare earth magnet comprising a rare earth magnet body and a coating film made of a cured resin of UV curable resin that is formed on a surface of the rare earth magnet body, wherein

the coating film is composed of cured resins of which droplets of the UV curable resin have been cured, and has a density of 0.93 g/cm³or less, and

the droplets are arranged to have a resolution of 600 dpi×600 dpi to 600 dpi×900 dpi.