Negative pressure fully automatic upper/lower sheet device of laser plotter
Title：
Negative pressure fully automatic upper/lower sheet device of laser plotter
Application Number：
 200410003468
Application Date：
 2004/03/26
Announcement Date：
 2005/01/12
Pub. Date：
 2006/04/19
Publication Number：
 1564082
Announcement Number：
 1252540
Grant Date：
 2006-4-19
Granted Pub. Date：
 2006-4-19
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 G03F 7/00
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Yue Shengxian, Li Rui, Li Shenglu
Key Words：
 Negative pressure, fully automatic, upper/lower sheet device, laser plotter
Abstract：
 Through posts and angle bar rack, the equipment is fixed above platform of laser light plotter. A small platform is fixed on upper parts of posts. The equipment includes air flow control part, can part, film shift control part, part for pressing film, drum control part for spinning in slow speed, and guide plate for loading and unloading film. Advantages of the invention are: darkroom is net needed for loading or unloading film; even, operator can operate plotter through network, eliminating influence on film from artifacts, raising yield and efficiency.
Claim：
Priority：
PCT：
LegalStatus：

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