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. 13, 2005
Filed:
Aug. 16, 2002
Yasuo Amano, Yokohama, JP;
Asao Nakano, Kamakura, JP;
Yuji Fujita, Yokohama, JP;
Nobuyuki Ushifusa, Yokohama, JP;
Kouki Uefune, Odawara, JP;
Takashi Yamaguchi, Tsuchiura, JP;
Toshiyuki Ajima, Hitachi, JP;
Yasuo Amano, Yokohama, JP;
Asao Nakano, Kamakura, JP;
Yuji Fujita, Yokohama, JP;
Nobuyuki Ushifusa, Yokohama, JP;
Kouki Uefune, Odawara, JP;
Takashi Yamaguchi, Tsuchiura, JP;
Toshiyuki Ajima, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An object of the invention is to inhibit a turning force of a magnetic disc apparatus from being reduced. In order to achieve the object, there is provided a magnetic disc apparatus having a rotor to which a magnetic disc fixed, and a stator which is filled with a resin between stator coils, wherein a member having a lower expansion coefficient than a thermal expansion coefficient of the resin is arranged between the stator coils.