发明授权
US5917799A Method of reading data of magneto-optical recording medium which
includes a guide groove portion having land and groove areas
失效
读取磁光记录介质的数据的方法，该磁光记录介质包括具有凹槽和凹槽区域的引导槽部分
- 专利标题： Method of reading data of magneto-optical recording medium which includes a guide groove portion having land and groove areas
- 专利标题（中）： 读取磁光记录介质的数据的方法，该磁光记录介质包括具有凹槽和凹槽区域的引导槽部分
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申请号： US82372申请日： 1998-05-20
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公开(公告)号： US5917799A公开(公告)日： 1999-06-29
- 发明人: Masafumi Nakada , Masatsugu Ogawa
- 申请人： Masafumi Nakada , Masatsugu Ogawa
- 申请人地址： JPX
- 专利权人： NEC Corporation
- 当前专利权人： NEC Corporation
- 当前专利权人地址： JPX
- 优先权： JPX7-184964 19950629
- 主分类号： G11B11/10
- IPC分类号： G11B11/10 ; G11B11/105 ; G11B7/00
摘要：
In a magneto-optical recording medium which includes a guide groove portion having a land area, a groove area, and a boundary area between the land area and the groove area, both of the land area and the groove area may have a V-shaped cross-section. At least one of the land area and the groove area may have a protruding portion which is formed in parallel to the guide groove portion and which has a width which is less than a half of a wavelength of a read laser beam.
公开/授权文献
- USD405267S Pouch 公开/授权日：1999-02-09
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