直接撮影用自動露出機構の特性とその現状

概要

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Performance of daily using 36 automatic density control systems for direct radiography, the so-called photo-timing units, being widely accepted in Japan recently was tested by users employing three measuring criteria : phantom thickness, X-ray tube voltage and time response. In addition, normal performance of the typical units among them are discussed. Fourteen units were tested in 1977 and twenty two units in 1982. According to the test results, there were 3 units in 1977 and 4 in 1982 that had normal performance. Actual performance of the automatic density control system for direct radiography is influenced by the dynamic characteristics of the coupled X-ray generators. Looked at from this viewpoint, the generator dynamic characteristics were measured. The fundamental characteristics were discussed in connection with the responses from these generators, and the normal performance of these units is given in the following figures.
社団法人日本放射線技術学会の論文
1985-11-01