| 发明名称 |
Optical disk |
| 摘要 |
Disclosed is an optical disk. The present invention includes a plate having a first area enabling to record information thereon and a second area unable to record the information thereon and a projection on the second area of the plate. Accordingly, the present invention enables to form a protecting layer having a uniform thickness thereon.
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| 申请公布号 |
US2004047280(A1) |
申请公布日期 |
2004.03.11 |
| 申请号 |
US20030419160 |
申请日期 |
2003.04.21 |
| 申请人 |
LEE SEOUNG WON;SEO HUN;LEE JUN SEOK;KIM JIN HONG;PARK KYUNG CHAN |
发明人 |
LEE SEOUNG WON;SEO HUN;LEE JUN SEOK;KIM JIN HONG;PARK KYUNG CHAN |
| 分类号 |
G11B7/09;G11B7/24;G11B7/26;G11B23/00;(IPC1-7):G11B3/70;G11B5/84 |
主分类号 |
G11B7/09 |
| 代理机构 |
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