Radiation imagery chemistry: process – composition – or product th – Product having sound record or process of making
Patent
1996-07-15
1998-05-19
Huff, Mark F.
Radiation imagery chemistry: process, composition, or product th
Product having sound record or process of making
430510, 352 27, 352 37, G03C 514, G03C 1825, G03B 3102
Patent
active
057534020
ABSTRACT:
By processing color motion picture film to yield a dye-only, "silver-less" soundtrack, an antihalation layer containing silver may be incorporated into the film without interfering with the soundtrack signal in the resulting processed film. The process results in good antihalation protection of the print film during exposure, and a simplified processing procedure which does not require special processing of the exposed soundtrack relative to the image area frames. One embodiment of the invention comprises a method for recording and processing image area frames and an optical soundtrack in a color motion picture film comprising a support bearing blue, green, and red light sensitive silver halide emulsion dye forming layers and an antihalation layer, comprising imagewise exposing said emulsion layers in accordance with desired image area frames, exposing at least one of said emulsion layers in accordance with an analog soundtrack, and processing the exposed film to yield corresponding dye images in the exposed image area frames and analog soundtrack; wherein said antihalation layer comprises a hydrophilic colloid layer containing silver, and wherein said film is processed to yield a dye-only, silverless analog soundtrack, the soundtrack region of the film not being subjected to any specialized processing treatment relative to the image area frame region.
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Pettrone Frank Anthony
Schmoeger Mary Lynn
Sehlin Richard Carl
Anderson Andrew J.
Eastman Kodak Company
Huff Mark F.
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