Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Screen other than for cathode-ray tube
Patent
1980-11-03
1982-07-13
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Screen other than for cathode-ray tube
430312, 430319, 430320, 430321, G03F 702
Patent
active
043395147
ABSTRACT:
Processes for making an electronic color imaging device, the color imaging device comprising a planar array of charge-handling semiconductive photosensors and a multicolor filter means, the multicolor filter means comprising a planar array of color filter elements superimposed in micro-registration over the sensing area of said photosensors. In general, the processes comprise the steps of: (1) successively coating on a planar array of semiconductive photosensors a plurality of photoresponsive layers; (2) subjecting each photoresponsive layer in succession to radiation whereby to provide an exposed area of said layer; (3) removing unexposed photoresponsive coating from each layer in succession; and, (4) dyeing exposed areas of each layer said coating in succession to obtain a series of chromatic filter elements. The processes are capable of producing color filter elements having dimensions of approximately 6 by 6 micrometers.
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Downey Mary F.
Polaroid Corporation
Thornton David R.
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