Published 1987 | Version v1
Report Restricted

Development and exploitation of the slit method for the characterization of x-ray screen-film combinations

Creators

  • 1. Physikalisch-Technische Bundesanstalt, Braunschweig (Germany, F.R.)

Description

For the determination of the modulation transfer function (MTF) of screen-film combinations which are used in medical x-ray diagnostics a measuring method has been developed: the screen-film combination is exposed to x-rays behind a thin slit and the modulation transfer function is calculated from the resulting rather broad slit images on the film. After solving many technical and photographic problems, the slit method provides high precision in the MTF determination. The only objection against this method is the necessary high dose variation which has to be provided by the x-ray machine

Files

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Additional details

Publishing Information

Imprint Pagination
50 p.
Report number
EUR--10964

INIS

Country of Publication
European Commission (EC), Brussels (Belgium)
Country of Input or Organization
European Commission (EC), Brussels (Belgium)
INIS RN
19036952
Subject category
S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
Descriptors DEI
DENSITOMETERS; PHOTOGRAPHIC FILMS; PHOTOGRAPHY; SCREENS; TRANSFER FUNCTIONS; X-RAY EQUIPMENT
Descriptors DEC
EQUIPMENT; FUNCTIONS; MEASURING INSTRUMENTS; PHOTOMETERS

Optional Information

Contract/Grant/Project number
Contract 1417/1/0/073/83/11-BCR-D(30)