Method for obtaining engravers template

Details Method for obtaining engravers template Method for obtaining engravers template

1976-12-08

1979-02-13

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 382, 156655, 156656, 156659, 156665, 156666, 156667, G03C 500, G03C 1100

Patent

active

041393864

ABSTRACT:
Method for obtaining an engravers template having a desired pattern therein with engraved portions and raised portions. An aluminum sheet is provided having an aluminum oxide layer on one side and a plastic layer on the opposite side. The desired engraved pattern is etched through the oxide layer and through the aluminum sheet.

REFERENCES:
patent: 1641220 (1927-09-01), Comstock
patent: 2257143 (1941-09-01), Wood
patent: 2977227 (1961-03-01), De Maria
patent: 3222175 (1965-12-01), Rasch
patent: 3380827 (1968-04-01), Metzger et al.
patent: 3600166 (1971-08-01), Sieg et al.
patent: 3622319 (1971-11-01), Sharp
patent: 3629939 (1971-12-01), Baer
patent: 3720143 (1973-03-01), Hashimoto et al.
patent: 3733200 (1973-05-01), Takaishi et al.
patent: 4030967 (1977-06-01), Ingrey et al.

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