发明名称 ОПТИЧЕСКИЙ ДИСК
摘要 The present invention is directed to an optical disk having a projection that prevents full contact of the upper surface of the disk when engaging a supporting surface. The optical disk includes a projection formed in a central portion of the optical disk that abuts or is near the upper surface of a protecting layer.
申请公布号 RU2004125877(A) 申请公布日期 2005.10.10
申请号 RU20040125877 申请日期 2003.04.17
申请人 Эл Джи Электроникс Инк. (KR) 发明人 ЛИ Сеун-Вон (KR);СО Хын (KR);ЛИ Чун Сок (KR);КИМ Чин Хон (KR);ПАК Кюн-Чхан (KR)
分类号 G11B7/09;G11B7/24;G11B7/26;G11B23/00 主分类号 G11B7/09
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