クロスオーバ光が新しいオルソフィルムの特性曲線の形状に及ぼす影響

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We previously reported that crossover light influenced the shape of the characteristic curve of ortho-film. In this study, we examined the influence of crossover light on the shape of the characteristic curve of new ortho-film, and found an influence on some new ortho-films. Those films that were influenced had the same kind of emulsion as that of film coated in a double layer. The main influence on the shape of the curve was not the difference in spectrum between primary and crossover light but rather the difference in incident direction between those lights entering into an emulsion. The influence of the difference in incident direction was examined by using film with simulated double-layer coatings that we ourselves produced. Change in the sensitivity difference of the constituent emulsion was noted in accordance with the difference in direction when the lights entered the emulsion from the surface and base as primary and crossover light did. Therefore, the shape of the characteristic curve of film with a double-layer coating changed according to the synthesis of each constituent emulsion's characteristic curve. Consequently, the cause of differences in the shape of the characteristic curve made by primary and crossover lights was twofold: (1) the difference in incident direction to an emulsion between primary and crossover light and(2) the film emulsion coated in a double layer with various properties.
社団法人日本放射線技術学会の論文
1999-12-20

クロスオーバ光が新しいオルソフィルムの特性曲線の形状に及ぼす影響

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