发明公开
EP0184189A1 Optical information recording device and method
失效
OptischesInformationsaufzeichnungsgerätund -verfahren。
- 专利标题: Optical information recording device and method
- 专利标题(中): OptischesInformationsaufzeichnungsgerätund -verfahren。
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申请号: EP85115325.4申请日: 1985-12-03
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公开(公告)号: EP0184189A1公开(公告)日: 1986-06-11
- 发明人: Shimada, Satoshi , Sato, Yoshio , Sasaki, Hiroshi , Tsuboi, Nobuyoshi , Ito, Tetsuo , Nihei, Hideki , Miyamoto, Norifumi , Koyanagi, Hiroaki , Kawakami, Kanji
- 申请人: HITACHI, LTD.
- 申请人地址: 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 JP
- 专利权人: HITACHI, LTD.
- 当前专利权人: HITACHI, LTD.
- 当前专利权人地址: 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 JP
- 代理机构: Strehl Schübel-Hopf Groening & Partner
- 优先权: JP255318/84 19841203
- 主分类号: G11B11/00
- IPC分类号: G11B11/00
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.
公开/授权文献
- EP0184189B1 Optical information recording device and method 公开/授权日:1990-03-14
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