... the filed of plate-making such as pad plate, screen plate, hot stamper plate, resin plate. Product Summary: ... ensure Film contact compactly with surface of slik when vacuum state.Key Feature:1.Glass Dimension: 800 x ... .4.Exposal time auto adjustment and controlling.5.High vacuum degree, easy to transfer and copy fine lines 6 ... Rubber Layer ensure Film closely cover with frame Vacuum screen exposure machine