Method for making a solid-state color imaging device having an i

Details Method for making a solid-state color imaging device having an i Method for making a solid-state color imaging device having an i

1976-10-08

1978-03-28

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96118, 96116, 313 36, 8 25R, G03C 500, B03F 500, H01J 152, D06P 0000

Patent

active

040812774

ABSTRACT:
A method for making a color imaging device that comprises means for sensing radiation comprising a planar array of charge-handling semiconductive photosensors, at least some of the photosensors having a radiation sensing area with at least one dimension less than about 100 micrometers, and superimposed thereon, filter means for controlling access of radiation to the sensing means. The filter means comprises a transparent, polymeric dye receiving layer for receiving heat-transferable dyes and further comprises a plurality of radiation intercepting means defining a planar array of filter elements lying in the receiving layer in micro-registration with the sensing areas of the photosensors. The filter area of each intercepting means contains at least one heat-transferable dye transferred to the dye receiving layer by heating and diffusion. The heat-transferable dye absorbs radiation in at least one portion of the spectrum and transmits radiation in at least one other portion of the spectrum. The color imaging device comprises an interlaid pattern having at least two sets of dye intercepting means, the first set having a different radiation absorption and transmission characteristic from that of the second set. The heat-transferable dye is diffused into the dye receiving layer at an elevated temperature through window areas in a photoresist layer.

REFERENCES:
patent: 2681857 (1954-06-01), Rogers
patent: 2750524 (1956-06-01), Braham
patent: 3632291 (1972-01-01), DeFago et al.
patent: 3940246 (1976-02-01), DeFago et al.
Jhonsa, J. G. and Talele, T. V. Manmade Textiles in India, vol. 8, Sept. 1975, pp. 495-496.

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