Stock material or miscellaneous articles – Circular sheet or circular blank
Patent
1997-02-28
1998-08-11
Krynski, William
Stock material or miscellaneous articles
Circular sheet or circular blank
428 644, 428 647, 428457, 428469, 428913, 4304951, 430945, 3692754, 369283, 369286, B32B 300
Patent
active
057925380
ABSTRACT:
A single or multi-sided, single or multi-layered optical data disc in which graphical information resides beneath all layers of data information, while maintaining playability. The graphical information is fully viewable to a user through the layers of data. The conventional metalization layer is replaced by a thin film dielectric coating that provides the reflectivity of the metal to the reading laser frequency while being highly transmissive of the ambient visible spectrum.
REFERENCES:
patent: 5415914 (1995-05-01), Arioka et al.
patent: 5573831 (1996-11-01), Suzuki et al.
patent: 5702792 (1997-12-01), Iida et al.
patent: 5703868 (1997-12-01), Kobayashi et al.
Evans Elizabeth
Krynski William
WEA Manufacturing Inc.
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