INFORMATION RECORDING CARRIER

PROBLEM TO BE SOLVED: To provide an information recording carrier capable of reproducing an information signal by an optical means, wherein the formation of flaws on the light-incident surface thereof is prevented and storage stability is enhanced. SOLUTION: The information recording carrier include...

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Bibliographic Details
Main Author NAGAOKA KATSURO
Format Patent
LanguageEnglish
Published 28.04.2005
Edition7
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide an information recording carrier capable of reproducing an information signal by an optical means, wherein the formation of flaws on the light-incident surface thereof is prevented and storage stability is enhanced. SOLUTION: The information recording carrier includes at least a support, a recording layer formed on the support and capable of recording the information signal, and a light-transmitting layer formed on the recording layer and capable of transmitting light, wherein the light-transmitting layer includes a light-transmitting film having a moisture expansion coefficient of 8 ppm/%RH to 62 ppm/%RH and the light-transmitting layer has a surface having a pencil hardness of 2H or more. COPYRIGHT: (C)2005,JPO&NCIPI
Bibliography:Application Number: JP20030389263