Multipart photosensitive element with both fixed contrast and va

Details Multipart photosensitive element with both fixed contrast and va Multipart photosensitive element with both fixed contrast and va

1979-04-26

1980-10-28

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430496, 430591, 430592, 430502, G03C 176, G03C 300

Patent

active

042307953

ABSTRACT:
A multipart photosensitive element having a predetermined saturation density including at least two partial record portions for forming a full record, each partial record portion controlling a preselected density range of the full record; all of the partial record portions combining to produce the predetermined saturation density of the full record; at least one of the partial record portions including a fixed contrast emulsion and at least one of the partial record portions including a variable contrast emulsion for varying the contrast of that partial record portion over its preselected density range, each of the variable contrast emulsions being photoresponsive in a different spectral region from the other variable contrast emulsions in the other partial record portions for independently selectively varying the contrast in each of the partial record portions including a variable contrast emulsion.

REFERENCES:
patent: 3130053 (1964-04-01), Hellmig
patent: 3140179 (1964-07-01), Russell
patent: 3396024 (1968-08-01), Hellmig et al.
patent: 3628960 (1971-12-01), Philippaerts
patent: 3839036 (1974-10-01), Hellmig et al.
patent: 3977872 (1976-08-01), Hellmig
patent: 3992210 (1976-11-01), Evans

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