Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1977-08-17
1980-03-11
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430 16, 430244, 430311, G03C 554, G03C 500
Patent
active
041926404
ABSTRACT:
A photographic process and article resulting therefrom which utilizes multiple images that are transferred to a single image receiving surface. In the preferred embodiment the images are formed on the receiving surface by diffusion transfer development and each image on the receiving surface is electrically conductive. In the areas in which the images overlap, the electrical resistivity is lower than in the nonoverlapped areas. Electrical resistivity in a given area can be controlled by the number of images transferred to the receiving surface. One application of the process is the formation of electrical components such as, printed circuit boards, by photographic diffusion transfer development.
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patent: 3932187 (1976-01-01), Batter
Birch Richard J.
Schilling Richard L.
Winter Park Associates
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