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:
May. 05, 2015
Filed:
Dec. 13, 2012
Western Digital Technologies, Inc., Irvine, CA (US);
Mei-Man L. Syu, Fremont, CA (US);
Cliff Pajaro, Costa Mesa, CA (US);
Western Digital Technologies, Inc., Irvine, CA (US);
Abstract
A data storage device is disclosed comprising non-volatile solid-state array comprising M storage elements for storing data protected by Reed-Solomon (R-S) code, each storage element comprising multiple blocks, each block comprising multiple pages for storing data. The data storage device further comprises a controller in communication with the storage array and defining a superblock comprising logical grouping of M blocks, each located in different storage element, and multiple superpages in each superblock, each superpage comprising M pages, each located in a different storage element. The controller generates, for each superpage, at least one R-S code parity page for protecting data pages in the superpage, where number of data pages and the at least one parity page is equal to M−1. The controller assigns one page in each superpage as an inactive page not used in the R-S code, where at least two inactive pages are in different storage elements.
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