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:
Jan. 10, 2012
Filed:
Sep. 19, 2007
Kouki Uefune, Kanagawa, JP;
Takako Hayakawa, Kanagawa, JP;
Akihiko Aoyagi, Kanagawa, JP;
Takashi Kouno, Ibaraki, JP;
Hitoshi Shindo, San Jose, CA (US);
Kazuhide Ichikawa, Kanagawa, JP;
Kouki Uefune, Kanagawa, JP;
Takako Hayakawa, Kanagawa, JP;
Akihiko Aoyagi, Kanagawa, JP;
Takashi Kouno, Ibaraki, JP;
Hitoshi Shindo, San Jose, CA (US);
Kazuhide Ichikawa, Kanagawa, JP;
Hitachi Global Storage Technologies, Netherlands B.V., Amsterdam, NL;
Abstract
A sealing type magnetic disc drive comprising a disc, a spindle motor for rotationally driving the disc, a head for recording or reproducing information on the disc, a base on which an actuator assembly is provided to move the head in the radius direction on the disc, and a cover jointed with the base, and low density gas is filled in the space where the base and the cover are joined, wherein low vapor pressure oil or a low viscosity adhesive is filled in a hole present at the joint of the base and the cover.