Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Patent
1995-05-31
1997-03-25
Tran, Thang V.
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
369112, 369118, 369 94, 369103, G11B 709
Patent
active
056151861
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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Rosen Hal J.
Rubin Kurt A.
Strand Timothy C.
Berthold Thomas R.
International Business Machines - Corporation
Millett Douglas R.
Tran Thang V.
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