Surface-texture filmwork generation

Details Surface-texture filmwork generation Surface-texture filmwork generation

1978-10-10

1980-01-22

Powell, William A.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Forming nonplanar surface

1566611, 156 58, 156651, C23F 102

Patent

active

041849108

ABSTRACT:
The invention is directed to a technique for the generation of film negatives which will be used in a chemical etching process to provide a previously etched surface with texturing on the broad, flat areas of a previously etched surface. A rubbing is used to form a basis for a series of photographic negatives which provide an indication of the different levels of texturing.

REFERENCES:
patent: 1577181 (1926-03-01), Crowe
patent: 2009586 (1935-07-01), McLellan
patent: 2854336 (1958-09-01), Gutknecht
patent: 3711346 (1973-01-01), Landis
patent: 3907622 (1975-09-01), Otthofer

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