Dynamic information storage or retrieval – Storage medium structure – Layered
Patent
1996-02-22
2000-08-29
Cao, Allen T.
Dynamic information storage or retrieval
Storage medium structure
Layered
G11B 370
Patent
active
061118516
ABSTRACT:
An optical recording medium includes a first recording member having a first light-transmissive substrate and a first semi-light-transmissive information area disposed on a surface of the first light-transmissive substrate, and a second recording member having a second substrate and a second reflective information area disposed on a surface of the second substrate. The first recording member and the second recording member are joined to each other with the transparent layer interposed therebetween with the first and second information areas facing each other.
REFERENCES:
patent: 4188433 (1980-02-01), Dijkstra et al.
patent: 5126996 (1992-06-01), Iida et al.
patent: 5485452 (1996-01-01), Maeda
patent: 5627816 (1997-05-01), Ito et al.
Australian Patent Office Search Report of Feb. 1, 1999.
Kashiwagi Toshiyuki
Ohki Hiroshi
Cao Allen T.
Kananen Ronald P.
Sony Corporation
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