Stock material or miscellaneous articles – Circular sheet or circular blank
Patent
1994-09-02
1996-09-17
Ryan, Patrick
Stock material or miscellaneous articles
Circular sheet or circular blank
428 642, 428 643, 428 644, 428 648, 428913, 4302701, 43027011, 43027014, 430945, 3692751, 3692752, 369283, 369288, B32B 300
Patent
active
055566812
ABSTRACT:
An optical information recording medium is disclosed. The optical information recording medium has a transparent substrate having pits and lands corresponding to information signals formed therein, and a reflective layer formed on the transparent substrate. The reflective layer is composed mainly of a dye material and a polymeric material and has a reflectance of 15 to 25%. The polymeric material forming the reflective layer is a silicon varnish.
REFERENCES:
patent: 4917989 (1990-04-01), Albert
patent: 5132153 (1992-07-01), Hirose
patent: 5200947 (1993-04-01), Satake
patent: 5271979 (1993-12-01), Santoh
Patent Abstracts of Japan, vol. 9, No. 170 & JP-A-60 047 247.
Matsuzawa Yoko
Shirai Katsuya
Tamura Shin-Ichiro
Evans Elizabeth
Ryan Patrick
Sony Corporation
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