Stock material or miscellaneous articles – Circular sheet or circular blank
Patent
1997-09-05
1999-03-02
Evans, Elizabeth
Stock material or miscellaneous articles
Circular sheet or circular blank
428 642, 428 644, 428 652, 428457, 428913, 43027012, 4304951, 430945, 3692751, 369283, 369288, B32B 300
Patent
active
058768238
ABSTRACT:
The optical information medium of the invention includes: a first substrate having a first information signal layer; a first reflective film formed on the first information signal layer of the first substrate; a second substrate having a second information signal layer; a second reflective film formed on the second information signal layer of the second substrate; and a photopolymer resin film provided between the first reflective film and the second reflective film for bonding the first substrate and the second substrate with each other.
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Official Action from Japanese Patent Applicaton No. 7-253357.
Evans Elizabeth
Matsushita Electric - Industrial Co., Ltd.
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