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:
Sep. 28, 2004
Filed:
Sep. 05, 2001
John W. Dykes, Eden Prairie, MN (US);
Tony R. Blankenhagen, Crystal, MN (US);
William D. Mosley, Savage, MN (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
An apparatus and method for caching data in a disc storage system are provided. The disc storage system includes a host computer interface adapted to couple to a host computer, a disc storage medium having a disc surface and a spindle motor coupled to the disc adapted to rotate the disc. A transducer is positioned for reading and writing data on the disc surface. The system further includes a non-volatile magnetoresistive random access memory buffer adapted to temporarily store data during read and write operations and to store data during a power loss to the disc storage system.