Dynamic optical information storage or retrieval – Optical storage medium structure – Disk protection
Reexamination Certificate
2005-07-19
2005-07-19
Letscher, George J. (Department: 2653)
Dynamic optical information storage or retrieval
Optical storage medium structure
Disk protection
C369S288000
Reexamination Certificate
active
06920640
ABSTRACT:
A super-resolution recordable optical disk includes a substrate and forms sequentially on the substrate an under dielectric layer, a mask layer, an interface layer, an organic dye layer, an isolation layer, and a protection layer. A laser beam is projected into the organic dye layer through the substrate to record signals. And a super-resolution recordable optical disk for high numerical apertures also is provided that includes a substrate and forms sequentially on the substrate an organic dye layer, an interface layer, a mask layer an under dielectric layer, and a thin polycarbonate layer. A laser beam is projected into the organic dye layer through the thin polycarbonate layer to record signals.
REFERENCES:
patent: 6358589 (2002-03-01), Tsai et al.
patent: 2003/0193857 (2003-10-01), Ichihara et al.
Hsu Shih-Peng
Hsu Wei-Chih
Hung Tien-Tsan
Kuo Po-Cheng
Tsai Song-Yeu
Bacon & Thomas
Industrial Technology Research Institute
Letscher George J.
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