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:
Nov. 25, 2008
Filed:
Mar. 05, 2007
Hideo Sado, Ome, JP;
Masahide Yatsu, Akishima, JP;
Yuichi Notake, Tokyo, JP;
Seiji Mizukoshi, Nishitama-gun, JP;
Takayuki Matsuzaki, Hamura, JP;
Takuji Shimada, Ome, JP;
Hideo Sado, Ome, JP;
Masahide Yatsu, Akishima, JP;
Yuichi Notake, Tokyo, JP;
Seiji Mizukoshi, Nishitama-gun, JP;
Takayuki Matsuzaki, Hamura, JP;
Takuji Shimada, Ome, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to one embodiment, a servo information writing method for use in a disk drive, for recording the servo information, forming a continuous servo track such as a spiral track. In this servo information writing method, the head is stopped when a write error is detected while the servo information is being written, and the head is then moved again at a constant speed and starts writing the servo information again, at the position where the write error has occurred.