发明名称 A high density optical disk and a method of high density recording
摘要 <p>The current invention is directed to a high density disk and a method of manufacturing the high density disk. The high density is accomplished by narrowing the pitch and increasing the groove depth so as not to sacrifice any desireable features of the high density optical disk medium. &lt;IMAGE&gt; &lt;IMAGE&gt;</p>
申请公布号 EP0777216(A2) 申请公布日期 1997.06.04
申请号 EP19960650055 申请日期 1996.12.05
申请人 NIKON CORPORATION 发明人 MATSUMOTO, HIROYUKI;MORITA, SEIJI;HAYASHI, MASATOSHI;YOSHIBE, SATOMI
分类号 G11B7/007;G11B7/26;G11B11/105;(IPC1-7):G11B7/007 主分类号 G11B7/007
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