Vertical photoresist developer

Details Vertical photoresist developer Vertical photoresist developer

1986-12-15

1988-04-26

Hornsby, Harvey C.

Cleaning and liquid contact with solids

Apparatus

Sequential work treating receptacles or stations with means...

134 94, 134112R, 134131, 134199, B08B 302

Patent

active

047397802

ABSTRACT:
Vertical photoresist developer for processing of any size of printed circuit boards carried on a processing cassette. The processing cassette is carried by a chain through a main chamber, a rinse chamber and a drying chamber, all the processing chambers in line with each other. The processing system is electromechanical and electrically controlled, as well as air and liquid flow control. The developer is system oriented and symmetrical in operation to either side of the board. A printed circuit board holder with gripper fingers mounted in removable plastic chain cassette carries the board through separable processing chambers.

REFERENCES:
patent: 3694847 (1972-10-01), Hetman et al.
patent: 4281675 (1981-08-01), Pure
patent: 4452264 (1984-06-01), Kreisel
patent: 4506687 (1985-03-01), Rosch, III
patent: 4539069 (1985-09-01), Fishman et al.
patent: 4561904 (1985-12-01), Eberhardt, Jr.

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