Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1979-12-18
1981-11-17
Kimlin, Edward C.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430166, 430271, 430319, 430496, 430501, 430509, 430531, 430534, 430536, 430537, 430935, 430939, 430961, G03C 176, G03C 300, G03C 178
Patent
active
043012302
ABSTRACT:
A process for producing an image which comprises the steps of:
(1) applying to the surface of a substrate the surface of a photosensitive layer, the other surface of the photosensitive layer being adhered to a substantially transparent film support which is soluble or dispersible in a developer consisting essentially of a liquid capable of substantially dissolving or dispersing therein the areas of the layer other than those having a polymeric image produced by imagewise exposure in the step (2) below;
(2) exposing the photosensitive layer, imagewise, to actinic radiation to form a polymeric image in the layer; and
(3) washing away with the developer the film support and the areas of the layer other than those having the polymeric image to form an image of a polymeric material on the substrate. The photosensitive element having on its one side the above-mentioned specific film support and the process have a variety of applications and are useful for producing photoresists which are advantageously used for making printed circuit boards.
REFERENCES:
patent: 3186844 (1965-06-01), Alles et al.
patent: 3458311 (1969-07-01), Alles
patent: 3469982 (1969-09-01), Celeste
patent: 3895949 (1975-07-01), Akamatsu et al.
patent: 4072527 (1978-02-01), Fan
patent: 4126466 (1978-11-01), Roos
patent: 4217407 (1980-08-01), Watanabe et al.
Fujikawa Noboru
Kohno Mitsuo
Satake Kunio
Taguchi Tadashi
Yoshitake Katsumi
Asahi Kasei Kogyo Kabushiki Kaisha
Kimlin Edward C.
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