Optical recording medium
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United States of America Patent
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Dec 27, 1994
Issued Date -
N/A
app pub date -
Dec 20, 1993
filing date -
Apr 18, 1990
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Abstract
Disclosed herein is an optical recording medium comprising a recording layer containing a photochromic material and a polymer which are so combined with each other that a photostationary state attained upon irradiation with light of a specific wavelength is varied with temperatures, a reflective layer for reflecting light which is passed through the recording layer, and a substrate for supporting a laminate of the recording layer and the reflective layer.
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