Asperity data storage system, method and medium

Details Asperity data storage system, method and medium Asperity data storage system, method and medium

2007-09-04

2007-09-04

Wong, K. (Department: 2627)

Dynamic magnetic information storage or retrieval

General recording or reproducing

C360S075000

Reexamination Certificate

active

11260049

ABSTRACT:
An asperity data storage system wherein asperities are used to represent stored data. The asperity data storage system includes an asperity transducer that thermally interacts with a data storage medium adapted to store an information-encoded pattern of asperities thereon, such as a rotatable disk, a streamable tape, or a fixed medium. A drive system produces relative motion between the data storage medium and the asperity transducer, while electrical signals corresponding to the asperities are processed as stored information. A positional relationship can be maintained between the asperity transducer and the data storage medium using the asperities on the data storage medium for reference. A related asperity data storage method and the asperity data storage medium itself are further disclosed.

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