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:
Jan. 18, 2011
Filed:
Jun. 26, 2007
Michael S. Rothberg, Foothill Ranch, CA (US);
Michael S. Rothberg, Foothill Ranch, CA (US);
Western Digital Technologies, Inc., Lake Forest, CA (US);
Abstract
A disk drive is disclosed including a first disk surface comprising a plurality of data tracks, wherein each data track comprises a first plurality of data sectors, and a second disk surface comprising a plurality of data tracks, wherein each data track comprises a second plurality of data sectors. A first head is actuated over the first disk surface and a second head is actuated over the second disk surface. The first and second data sectors are accessed in a serpentine access pattern, wherein a plurality of refresh zones are defined relative to the serpentine access pattern. When a write command is received from a host, data is written to at least one of the refresh zones, and a refresh monitor associated with the refresh zone is updated.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile