Process for reducing halftone dot images

Details Process for reducing halftone dot images Process for reducing halftone dot images

1977-02-07

1978-06-13

Welsh, John D.

Gas separation: apparatus

Electric field separation apparatus

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

96 46, 156659, G03F 710

Patent

active

040946797

ABSTRACT:
A process for reducing the size of halftone dot images obtained by exposing and developing a metal image-forming material comprising a support, a thin metallic layer composed mainly of aluminum on the support and a photosensitive resin (or photoresist) layer on the thin metallic layer uniformly by first applying a solution capable of swelling the photosensitive resin layer to those parts which are to be subjected to dot size reduction, and then applying a reducer solution to the parts so treated.

REFERENCES:
patent: 2990281 (1961-06-01), Printy et al.
patent: 3475171 (1969-10-01), Alles
patent: 3984582 (1976-10-01), Feder et al.

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