Radiographic silver halide film of high contrast, a set of training of radiographic image, and method of providing a black and white image of high contrast

摘要

"Radiographic silver halide film of high contrast, a set of training of radiographic image, and method of providing a black and white image of high contrast.The radiographic films of high performance and high contrast display visually adaptive contrast when they are image formed in the radiographic image formation units comprising 'Las intensifiers.These films having at least two tabular silver halide emulsions on each side of a film holder and the emulsion closest to the film support on each side includes chemistry to controlThe passage and a rhodium dopant and has photographic speeds higher than the other emulsions.In addition, the films can be rapidly processed to provide images having a gamma peak of 3, 1, while keeping the ranges 1.0 in the peak of a curve sensitomu00e9trica D vs.Loge in a value of - 0.9 loge. These films are particularly useful for thoracic imaging.