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公开(公告)号:EP0178116A2
公开(公告)日:1986-04-16
申请号:EP85307022.5
申请日:1985-10-01
发明人: Ohta, Kneji , Inui, Tetuya , Fujii, Yoshikazu , Deguchi, Toshihisa Daiya Haitsu Gakuenmae C-722 , Maeda, Shigemi
CPC分类号: G11B11/10597 , G11B7/007 , G11B7/0938 , G11B7/24 , G11B7/24085 , G11B11/10563 , G11B11/10565 , G11B11/10578 , G11B11/10582 , G11B11/10584
摘要: An optical memory element includes a guide track groove portion (12) and address signal pit portion (13) for indicating the address of the guide track groove. The address signal pit portion has a pit width (t 1 ) narrower than the groove width (t 2 ) of the guide track groove portion.
摘要翻译: 导向槽(12)形成在衬底中,例如, 的玻璃。 地址信号凹坑(13)表示引导槽的编号。 地址坑的凹坑宽度(t1)比导槽的槽宽(t2)窄。 凹槽和凹坑通过施加激光束而形成。 用于形成地址信号凹坑的激光功率低于用于形成导轨槽的激光功率。
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公开(公告)号:EP0178116B1
公开(公告)日:1993-12-29
申请号:EP85307022.5
申请日:1985-10-01
发明人: Ohta, Kneji , Inui, Tetuya , Fujii, Yoshikazu , Deguchi, Toshihisa Daiya Haitsu Gakuenmae C-722 , Maeda, Shigemi
CPC分类号: G11B11/10597 , G11B7/007 , G11B7/0938 , G11B7/24 , G11B7/24085 , G11B11/10563 , G11B11/10565 , G11B11/10578 , G11B11/10582 , G11B11/10584
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公开(公告)号:EP0178116A3
公开(公告)日:1987-08-19
申请号:EP85307022
申请日:1985-10-01
发明人: Ohta, Kneji , Inui, Tetuya , Fujii, Yoshikazu , Deguchi, Toshihisa Daiya Haitsu Gakuenmae C-722 , Maeda, Shigemi
IPC分类号: G11B07/013 , G11B13/04 , G11B11/10 , G11B07/24
CPC分类号: G11B11/10597 , G11B7/007 , G11B7/0938 , G11B7/24 , G11B7/24085 , G11B11/10563 , G11B11/10565 , G11B11/10578 , G11B11/10582 , G11B11/10584
摘要: An optical memory element includes a guide track groove portion (12) and address signal pit portion (13) for indicating the address of the guide track groove. The address signal pit portion has a pit width (t 1 ) narrower than the groove width (t 2 ) of the guide track groove portion.
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