Stock material or miscellaneous articles – Circular sheet or circular blank
Patent
1995-10-05
1997-07-08
Edwards, Newton
Stock material or miscellaneous articles
Circular sheet or circular blank
428642, 428644, 428457, 428913, 43027012, 4304951, 430945, 3692751, B32B 300
Patent
active
056459084
ABSTRACT:
A multi-layer optical recording medium having a first reflecting film next to an optical incident surface, and a plurality of reflecting films having different optical reflecting characteristics from each other. The first film is formed of two layers which have a large difference of refractive indices. With such a dielectric being used as a first reflecting film, the reflectivity of the first reflecting film is increased, the structure is simple and a multi-layer optical disk with increased storage capacity can be obtained.
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Edwards Newton
Evans Elizabeth
Samsung Electronics Co,. Ltd.
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