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:
Apr. 16, 2002
Filed:
Jun. 26, 2000
Applicant:
Inventors:
Hiroyuki Iwahara, Kawasaki, JP;
Keiji Aruga, Kawasaki, JP;
Mitsuaki Yoshida, Kawasaki, JP;
Yasuyoshi Asao, Kawasaki, JP;
Yasuhiro Miura, Kawasaki, JP;
Tsuneyori Ino, Kawasaki, JP;
Terushige Arai, Kawasaki, JP;
Kazunori Tochiyama, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 3/308 ;
U.S. Cl.
CPC ...
G11B 3/308 ;
Abstract
A disk device has a housing structure capable of reducing unnecessary vibrations of the base of the disk device by improving the rigidity thereof. A bath-tub type base of the disk device includes a damping structure on the bottom or on the sides adjacent to the bottom for attenuating the vibrations of the base. Apparatus for writing a reference signal into the disk of the device using a reference head with a head insertion hole formed in the base is also provided.