Optical information-recording medium

Details Optical information-recording medium Optical information-recording medium

2007-06-05

2007-06-05

Hess, Bruce H. (Department: 1774)

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

C428S064400, C428S195100

Reexamination Certificate

active

10752914

ABSTRACT:
An optical information-recording medium includes: a substrate; an electronic information-recording layer on the substrate in which digital information is recorded by the light applied from the side of the substrate; a reflection layer on the electronic information-recording layer; a visible information-recording layer on the reflection layer so that a region of the visible information-recording layer lays outside a circumference having a radius not less than half a radius of the substrate; and an over-coating on the visible information-recording layer. Visible information is recorded in the visible information-recording layer with light applied through the over-coating.

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