Process and apparatus for etching printed circuit boards

Details Process and apparatus for etching printed circuit boards Process and apparatus for etching printed circuit boards

1984-12-13

1986-06-17

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156345, 156637, 156642, 156666, 156901, 204186, 204302, C23F 100, B44C 122, C03C 1500, C03C 2506

Patent

active

045954518

ABSTRACT:
There is disclosed a process and apparatus for etching printed board circuits wherein etching of a printed circuit board is effected in turbulent flow of the etching solution and wherein concentration of the etching solution is maintained at effective levels by electrolysis.

REFERENCES:
patent: 3880409 (1975-04-01), Bok et al.
patent: 4073708 (1978-02-01), Hicks
patent: 4482425 (1984-11-01), Battey

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