Nitric acid system for etching magnesium plates

Details Nitric acid system for etching magnesium plates Nitric acid system for etching magnesium plates

1975-10-31

1977-06-28

Van Horn, Charles E.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156664, B41C 100

Patent

active

040323790

ABSTRACT:
A one-step powderless high-speed process for producing photoengraved letter-press printing and pattern plates from magnesium and alloys thereof by etching such plates in a machine that directs against a surface of the plate droplets of an etching liquid comprising an aqueous solution of a strong inorganic acid and adjuvants.

REFERENCES:
patent: 3527608 (1970-09-01), Schlussler
patent: 3551480 (1970-12-01), Germscheid et al.
patent: 3607484 (1971-09-01), Marukawa et al.
patent: 3689417 (1972-09-01), Oikawa et al.
patent: 3725158 (1973-04-01), Messerschmidt et al.
patent: 3761331 (1973-09-01), McClanahan et al.
patent: 3992234 (1976-11-01), Fishaber et al.

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