The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2019
Filed:
Jan. 25, 2018
Applicant:
Nidec Corporation, Kyoto, JP;
Inventors:
Kunio Sakurada, Kyoto, JP;
Tomohiro Yoneda, Kyoto, JP;
Assignee:
NIDEC CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 33/00 (2006.01); C23C 18/18 (2006.01); G11B 5/73 (2006.01); C23C 18/31 (2006.01); G11B 5/84 (2006.01); G11B 33/12 (2006.01); G11B 33/14 (2006.01); G11B 25/04 (2006.01); H05K 5/04 (2006.01);
U.S. Cl.
CPC ...
C23C 18/1803 (2013.01); C23C 18/31 (2013.01); G11B 5/73 (2013.01); G11B 5/84 (2013.01); G11B 25/043 (2013.01); G11B 33/121 (2013.01); G11B 33/1446 (2013.01); H05K 5/04 (2013.01);
Abstract
A base plate is arranged to define a portion of a housing of a hard disk drive, and includes a base body defined by casting, and an electrodeposition coating film arranged to cover a surface of the base body. The surface of the base body includes a coated surface covered with the electrodeposition coating film, and a flat worked surface exposed from the electrodeposition coating film. The worked surface may include a gate position to which a gate has been connected at the time of the casting. At least a portion of the worked surface is covered with an impregnant.