发明名称 |
High density storage of information on a substrate with multiple depth and height |
摘要 |
A high density storage medium which stores predetermined information by matching it on one-to-one basis with multiple levels of depth or height formed in predetermined plural areas of substrate surface, a storing method, a reading method and various systems using them have been disclosed.
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申请公布号 |
US5402410(A) |
申请公布日期 |
1995.03.28 |
申请号 |
US19910810328 |
申请日期 |
1991.12.19 |
申请人 |
HITACHI, LTD. |
发明人 |
YOSHIMURA, TOSHIYUKI;KAKUMOTO, SHIGERU;OKAZAKI, SHINJI;TODA, YUJI |
分类号 |
G01Q60/10;G01Q60/24;G01Q80/00;G01Q90/00;G11B9/00;G11B9/10;G11B9/14;G11C13/00;H01L27/10;(IPC1-7):G11B7/26 |
主分类号 |
G01Q60/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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