发明公开
EP0184189A1 Optical information recording device and method 失效
OptischesInformationsaufzeichnungsgerätund -verfahren。

Optical information recording device and method
摘要:
A film (1) of a crystal - crystal pronase transformation type optical recording alloy is formed com an insulating substrate (11). Information is written into or ased from the alloy film by heating it with an expedient other than a laser beam. Information is read by sensing -reflected light of light projected on the alloy film.
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