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:
Mar. 30, 2010
Filed:
Dec. 17, 2007
Lin Mei, San Jose, CA (US);
Xiaokun L. Chew, San Juan Capistrano, CA (US);
Teik EE Yeo, Trabuco Canyon, CA (US);
Lin Mei, San Jose, CA (US);
Xiaokun L. Chew, San Juan Capistrano, CA (US);
Teik EE Yeo, Trabuco Canyon, CA (US);
Western Digital Technologies, Inc., Lake Forest, CA (US);
Abstract
A disk drive is disclosed comprising a disk and a head actuated radially over the disk. The head is positioned over a first radial location, and a first data tracks per inch (TPI) is selected for data tracks recorded near the first radial location. The head is positioned over a second radial location, and a second data tracks per inch (TPI) is selected for data tracks recorded near the second radial location. The head is positioned over a third radial location, and a third data tracks per inch (TPI) is selected for data tracks recorded near the third radial location. A geometry of the head is estimated in response to TPI, TPIand TPI