Novel photographic products and processes
Abstract
Abstract THE PRESENT INVENTION RELATES TO PHOTOGRAPHY AND, MORE PARTICULARLY, TO DIFFUSION TRANSFER PROCESS PHOTOGRAPHIC FILM UNITS WHICH COMPRISE A PHOTOSENSITIVE ELEMENT ADAPTED TO PROVIDE, BY DIFFUSION TRANSFER PHOTOGRAPHIC PROCESSING, SELECTIVE DYE IMAGE RECORDATION OF INCIDENT ACTINIC RADIATION AS A FUNCTION OF THE POINT-TOPOINT DEGREE OF PHOTOSENSITIVE ELEMENT EXPOSURE, WHICH FILM UNIT INCLUDES A PLURALITY OF ESSENTIAL LAYERS INCLUDING A DIRECT NEGATIVE PHOTOSENSITIVE SILVER HALIDE LAYER COMPRISING PHOTOSENSITIVE SILVER HALIDE GRAINS THE MAJORITY OF WHICH POSSESS A SUBSTANTIALLY UNIFORM GRAIN SIZE WITHIN THE RANGE OF $0.5 TO 3.0U HAVING ASSOCIATED THEREWITH DYE IMAGE-FORMING MATERIAL WHICH IS DIFFUSIBLE DURING PROCESSING AS A FUNCTION OF THE POINT-TO-POINT DEGREE OF SILVER HALIDE LAYER EXPOSURE TO INCIDENT ACTINIC RADIATION AND A LAYER ADAPTED TO RECEIVE IMAGE-FORMING MATERIAL DIFFUSING THERETO; AND TO SPECIFIED DIFFUSION TRANSFER PROCESSES EMPLOYING SUCH FILM UNITS.
Inventors
- 👤 William J Timson
Bibliographic Details
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