Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent
1993-06-18
1995-01-10
Dzierzynski, Paul M.
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
369 94, 3692753, 3692754, 369280, 430945, G11B 724
Patent
active
053814010
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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Best Margaret E.
Rosen Hal J.
Rubin Kurt A.
Strand Timothy C.
Chu Kim-Kwok
Dzierzynski Paul M.
International Business Machines - Corporation
Millett Douglas R.
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