| 摘要 |
PROBLEM TO BE SOLVED: To increase the production amount per time by shortening the cycle time of a substrate exposure system such as a plate setter or image setter. SOLUTION: A method for loading and unloading substrate on a drum of an imaging engine is applicable to the loading of plates in the plate setter. The method comprises simultaneous unclamping a trailing edge of a first substrate on the drum and clamping a header of a second substrate to the drum. The drum is rotated to eject the first substrate from the drum while installing the second substrate on the drum. As the drum is rotated, the first substrate is being ejected while the second substrate is being installed on the drum. Thereafter, the header of the first substrate is unclamped and the trailing edge of the second substrate is clamped to the drum. COPYRIGHT: (C)2004,JPO
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