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:
Feb. 14, 2012
Filed:
Apr. 21, 2009
Joe C. Lee, Fullerton, CA (US);
Joe C. Lee, Fullerton, CA (US);
Western Digital Technologies, Inc., Irvine, CA (US);
Abstract
A disk drive is disclosed comprising a first and second disk surfaces. A defect list is generated comprising a plurality of entries, wherein each entry comprises a track number comprising a defect. A first cluster across the first and second disk surfaces is identified, wherein a maximum data track number Xin the first cluster on the first disk surface is less than a maximum data track number Yin the first cluster on the second disk surface. A second cluster across the first and second disk surfaces is identified, wherein a maximum data track number Xin the second cluster on the first disk surface is less than a maximum data track number Yin the second cluster on the second disk surface. An entry from the defect list is selected in response to X, and the entry of the defect list is mapped into the second cluster.