Method of forming a pattern on a subtrate, method of manufacturi

Details Method of forming a pattern on a subtrate, method of manufacturi Method of forming a pattern on a subtrate, method of manufacturi

1991-06-03

1995-02-21

Rosasco, S.

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

430 26, 430 28, 430 29, 430291, G03C 500

Patent

active

053914449

ABSTRACT:
At least partly overlapping patterns are formed on a substrate. The substrate is provided with a photosensitive layer which becomes tacky under the influence of light. The layer is exposed according to a pattern. A powder is provided on the exposed portions of the layer. The powder adheres to the exposed portions. Subsequently, the layer is again exposed according to a pattern which at least partly overlaps the first pattern. It has been found that a second powder adheres to the powder which has been provided first. In this manner, several powder layers can be provided on top or: each other on one photosensitive layer. This saves time.

REFERENCES:
patent: 4263385 (1981-04-01), Panpalone
patent: 4407916 (1983-10-01), Akagi et al.
patent: 5028501 (1991-07-01), Ritt et al.

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