发明名称 |
Optical disc and disc cartridge containing the same |
摘要 |
<p>A large capacity recording medium is formed by bonding at least two disc-shaped recording plates to provide a structure adapted to absorb any manufacturing errors in the direction of the height of the recording medium. The second substrate (3) has a projecting section (23) entering a plate receiving recess (11) of the first substrate (2) keeping a gap (C1) between the front of it and the plate receiving recess (11). A raised section (6) of the first substrate (2) may be exposed through an exposure in a cartridge.</p> |
申请公布号 |
EP1575044(A2) |
申请公布日期 |
2005.09.14 |
申请号 |
EP20050251358 |
申请日期 |
2005.03.07 |
申请人 |
SONY DISC TECHNOLOGY INC.;SONY CORPORATION |
发明人 |
MASUHARA, SHIN;KISHI, SHINSUKE |
分类号 |
G11B7/24;G11B23/00;G11B7/26;G11B23/03;(IPC1-7):G11B7/24 |
主分类号 |
G11B7/24 |
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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