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MASTER NEGATIVE FILM MAKING APPARATUS, MASTER NEGATIVE FILM MAKING METHOD, AND MASTER NEGATIVE FILM
MASTER NEGATIVE FILM MAKING APPARATUS, MASTER NEGATIVE FILM MAKING METHOD, AND MASTER NEGATIVE FILM
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机译:主负片制作装置,主负片制作方法和主负片
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摘要
The present invention is to form a reproduction film capable of obtaining stable reproduction characteristics constantly. In the present invention, in the case of forming the master negative film when transferring data onto the reproduction film upon exposing the master negative film on which the data is recorded at the prescribed gray value, when multiple exposed areas and unexposed areas having the predetermined shape are arranged alternately, and at the same time, the readout pattern having a guard band between an exposed area and an unexposed area on the master negative film to control readout timing of the data transferred to the reproduction film, the width of guard band is controlled corresponding to the gray value. Thereby, the signal level to be obtained from the unexposed area of the readout pattern transferred onto the reproduction film is to keep the fixed relative value with respect to the signal level to be obtained from the data part transferred to the reproduction film.
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