Multi-order recordable CD of run-length limiting and making method thereof |
Title： |
| Multi-order recordable CD of run-length limiting and making method thereof |
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Application Number： |
200510011474 |
Application Date： |
2005/03/25 |
Announcement Date： |
2005/10/26 |
Pub. Date： |
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Publication Number： |
1687991 |
Announcement Number： |
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Grant Date： |
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Granted Pub. Date： |
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ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
G11B 20/10, G11B 7/00, G11B 7/24, G11B 11/10 |
Applicant(s)： |
Tsinghua Univ. |
Inventor(s)： |
Chen Ken, Hu Heng, Lu Da, Ma Jianshe, Ni Yi, Pan Longfa, Pei Jing, Xiong Jianping, Xu Duanyi, Zhang Qicheng |
Key Words： |
run-length, limiting, multi-order, recordable, CD, making method |
Abstract： |
1A multi-stage record disk with limited travel lengths and its manufacturing method characterizes that the width of the recording symbol on said multi-stage record disk is multi-stage and decided by recorded laser power, at the same time, the travel length is limited, there are d 'o' at the least and k 'o' at the most between two non-o data, parameters d, k decide the smallest and largest travel lengths possibly appearing in the channel series determined by the exposing time for caving and recording lasers. A manufacture method is disclosed including multi-stage addition record disk of dye material or multi-stage duped disk of phase change or magneto-optic material, which obviously increases the storage volume of record disks and data transmission rate. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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