OPTICAL INFORMATION RECORDING MEDIUM, AND METHOD OF MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
Nov 21, 2013
app pub date -
Feb 3, 2012
filing date -
Feb 4, 2011
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Abandoned
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Abstract
An optical information recording medium has: a substrate; one, two or more information signal layers which is formed on the substrate; and a protective layer which is formed on the one, two or more information signal layers. The surface of the protective layer is a reading surface on which light for recording or playing back an information signal in the information signal layer is radiated, and, in the reading surface, a plurality of subwavelength structures is formed.
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