High compactness mother disc RW machine
Title：
High compactness mother disc RW machine
Application Number：
 02131063
Application Date：
 2002/09/28
Announcement Date：
 2003/03/12
Pub. Date：
 2007/10/24
Publication Number：
 1402245
Announcement Number：
 100345211
Grant Date：
 2007-10-24
Granted Pub. Date：
 2007-10-24
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 G11B 31/00
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Li Qingxiang, Li Yuhe, Zi Yanyang
Key Words：
 High compactness, mother disc RW machine
Abstract：
 A high-compactness mother disc CD-RW device is precisely controlled by the control system fixed under the rotating air-floating table. It has the precise table radially moving on high-precision optical raster, vertical table, optical writing head and the drive of air-floating mainshaft of mother disc. Its advantages are compact structure, closed-loop control, and high locating precision and reliability.
Claim：
Priority：
PCT：
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