Patents for G03F 9 - Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically (10,803)
03/1976
03/02/1976US3941980 Scanning photoelectric microscope
02/1976
02/10/1976US3937579 Process for the double-sided exposure of a semiconductor or substrate plates, especially wafers, as well as apparatus for the purpose of parallel and rotational alignment of such a plate
02/10/1976US3937556 Viewing field splitter