Optical information medium

Details Optical information medium Optical information medium

2005-09-27

2005-09-27

Castro, Angel (Department: 2653)

Dynamic optical information storage or retrieval

Optical storage medium structure

Reexamination Certificate

active

06951027

ABSTRACT:
An optical information medium having an ink-accepting layer that may secure a high-gloss printed surface similar to print image quality of print image on photographic paper is provided. The optical disk1is constituted by sequentially laminating concavo-convex information pits3, a recording layer4, a reflective layer5, a protective layer6, a second printing layer7, and an ink-accepting layer8on a transparent substrate2made of synthetic resin such as polycarbonate. In the formation of the ink-accepting layer8, the following proportions of the following constituents in percent by weight are milled to prepare an ink for printing: 5 to 15% urethane acrylate; 70 to 80% water-soluble monomer; 5 to 15% water-soluble monomer soluble resin; 5 to 15% photopolymerization initiator; 5 to 15% dyestuff fixing agent; and <5% silica.

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Translation of JP 2002-237103, published Aug. 23, 2002.

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