公开(公告)号：US20180123413A1

公开(公告)日：2018-05-03

申请号：US15795514

申请日：2017-10-27

申请人： MINEBEA MITSUMI Inc.

发明人： Tadashi AKAHORI ,  Akihiko SUZUKI ,  Makoto CHONAN

IPC分类号： H02K1/28 ,  H02K1/27 ,  H02K15/03 ,  G11B19/20

摘要： A spindle motor according to an embodiment includes a base plate, a rotor magnet fixed to a rotor assembly positioned at one surface side of the base plate and a magnetic attraction plate fixed at the one surface side of the base plate so as to face the rotor magnet. An opposite area of the base plate facing the magnetic attraction plate includes a coated area covered by an epoxy electric discharge coating film, and the magnetic attraction plate is fixed to the opposite area via at least one of an epoxy adhesive and an acrylic adhesive.

公开(公告)号：US20240257831A1

公开(公告)日：2024-08-01

申请号：US18415795

申请日：2024-01-18

申请人： MINEBEA MITSUMI Inc.

发明人： Akihiko SUZUKI ,  Makoto CHONAN

IPC分类号： G11B5/31 ,  C09D5/44 ,  G11B5/00

CPC分类号： G11B5/3106 ,  C09D5/443 ,  G11B5/3163 ,  G11B2005/0021

摘要： Provided are a base member for a heat-assisted magnetic recording disk drive apparatus, the base member including: a coating film coating at least a part of the base member, in which the coating film is an overbaked epoxy resin-containing electrodeposition coating film, a spindle motor including the base member, and a method for manufacturing the base member.