| 摘要 |
A compact, multi-function screen printing table is provided which, with the exception of the emulsion rinsing step, permits all of the steps of a screen printing process to be carried out at a single, space-saving work station. The upper side of the table is provided with a translucent foam-backed glass cover plate which cooperates with a clear glass base plate to form a vacuum exposure chamber and, when in a lowered position, also forms a convenient work surface for screen assembly, layout and stripping purposes. The cover plate is also used in conjunction with an automated printing arm assembly to carry out the actual imprintation process. The cover plate is movably mounted on the base plate and may be selectively and adjustably moved to effect precise registration and alignment between a printing screen and a substrate. Suitable backlighting and exposure lighting systems are disposed in a housing which depends from the table top. Carried beneath the table top are a vacuum system for use in the exposure process, and a table top exhaust and filtration system used during the imprintation process. In an alternate embodiment of the table, the vacuum exposure chamber is relocated to a slopping front side surface of the depending table housing to permit exposure and printing operations to be conducted simultaneously.
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