Title:
光情報媒体
Document Type and Number:
Japanese Patent JP4319522
Kind Code:
B2
Abstract:
The present invention provides an optical information medium in which the recording and/or reproducing beam incident side surface displays excellent anti-staining properties and lubricity, as well as superior scratch resistance and abrasion resistance. An optical information medium comprising a film element composed of one or more layers including at least a recording layer ( 4 ) or a reflective layer, on a supporting substrate ( 20 ), wherein at least one of the supporting substrate ( 20 )-side surface and the film element-side surface is formed of a hard coat layer ( 8 ) comprising a cured product of the hard coat agent composition comprising a fluorine-containing block copolymer (A) and an active energy ray-curable compound (B).
Inventors:
Hideki Ito
Kazushi Tanaka
Naoki Hayashida
Kazushi Tanaka
Naoki Hayashida
Application Number:
JP2003372940A
Publication Date:
August 26, 2009
Filing Date:
October 31, 2003
Export Citation:
Assignee:
tdk Corporation
International Classes:
C08K5/00; C03C17/00; C03C17/34; C08F290/12; C08F299/00; C08K7/18; C08L101/04; G11B7/24; G11B7/24056; G11B7/254; G11B7/2542; G11B7/257
Domestic Patent References:
| JP62190264A | ||||
| JP2000063549A | ||||
| JP10326435A | ||||
| JP11213444A |
Attorney, Agent or Firm:
Masahiro Okada