Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
Patent
1987-01-28
1989-05-09
Faber, Alan
Dynamic information storage or retrieval
Systems having plural physically distinct independent tracks...
Having layered storage medium
369106, 369120, 358342, G11B 708, G11B 724
Patent
active
048295051
ABSTRACT:
A novel optical read and write information storage system is described which comprises a radiation source such as a laser for writing and illumination, the radiation source being capable of radiating a preselected first frequency; a storage medium including at least one layer of material for receiving radiation from the radiation source and capable of being surface modified in response to said radiation source when operated in a writing mode and capable of generating a pattern of radiation of the second harmonic of the preselected frequency when illuminated by the radiation source at the preselected frequency corresponding to the surface modifications on the storage medium; and a detector to receive the pattern of second harmonic frequency generated.
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Boyd Gary T.
Shen Yuen-Ron
Faber Alan
Henry Robert J.
Mulcahy Robert W.
Pfeiffer Clarence R.
The Regents of the University of California
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