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
1983-06-29
1984-05-08
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430274, 430312, 430313, 430496, 156629, 156630, 156901, 427 97, 428459, 428460, 428461, 428463, 428901, G03C 176
Patent
active
044475195
ABSTRACT:
A process for making printed circuit boards and the like including laminating a layer of a solid nonsensitized photoresist material onto a substrate producing a product suitable for indefinite storage under any light condition. A process including the further steps of sensitizing the solid photoresist material by wetting with a liquid sensitizer, drying the sensitized photoresist material, and then following the conventional exposure, developing and etching steps.
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