Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent
1996-05-22
1997-02-25
Neyzari, Ali
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
3692754, 369 94, 428694ML, G11B 724
Patent
active
056065469
ABSTRACT:
An optical data storage system comprises a multiple data surface medium and optical head. The medium comprises a plurality of substrates separated by a light transmissive medium. Data surfaces are located on the substrate surfaces which lie adjacent a light transmissive medium. The data surfaces are substantially light transmissive. The optical head includes an aberration compensator to allow the head to focus onto the different data surfaces and a filter to screen out unwanted reflected light.
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IBM TDB vol. 30 No. 2 Jul. 1987 "Optical Disk Family" N. K. Arter, et al, Jul. 1987.
Best Margaret E.
Rosen Hal J.
Rubin Kurt A.
Strand Timothy C.
Berthold Thomas R.
International Business Machines - Corporation
Millett Douglas R.
Neyzari Ali
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