エックス線写真のMicro化への検討(1)

概要

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In order to cope with ever increasing volumes and for more efficient management, micronization of x-ray films is urgently needed. On micronizing all the x-ray films of the past, present, and future, the 35mm films seems to that of choice because of economy, easy management and quick retrieval. After comparing various characteristics of original films on microfilms and on readers, Recordak Direct Duplicating Print Film was found to be most suited, inasmuch as it reproduced best positive image of original film after only one development. Since, however, reproducibility of high density areas become poor on microfilms, which is further aggravated on the reader, due consideration should be paid in choosing types of original films and in adjusting x-ray machines, so that the density of the lesions on the original film should not exceed 1.5.
公益社団法人日本放射線技術学会の論文
1972-09-30