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Measurement and monitoring of entrance exposure dose rate in X-ray image intensifier television with dose rate control

Journal Article:

Abstract

For X-ray image intensifier television operation very low entrance dose rates (about 5.2 nA/kg) are stated and demanded, respectively. These required values are often manifold exceeded in practice so that a check seems to be necessary. It is shown and proved how these measurements can be performed with simple, generally available means of measurement in the radiological practice. For ZnCdS-image intensifiers should be considered that about 13 nA/kg for the large entrance size are not to be exceeded; for the CsI type lower values (factor 1.5) are practicable because of the twofold quantum absorption efficiency. Furthermore, some tests for a semiquantitative function check of the automatic dose rate control are proposed.
Authors:
Klein, J [1] 
  1. Bezirkskrankenhaus Brandenburg (German Democratic Republic)
Publication Date:
Mar 01, 1981
Product Type:
Journal Article
Reference Number:
AIX-12-638431; EDB-82-032581
Resource Relation:
Journal Name: Radiol. Diagn.; (German Democratic Republic); Journal Volume: 22:2
Subject:
62 RADIOLOGY AND NUCLEAR MEDICINE; BIOMEDICAL RADIOGRAPHY; DOSE RATES; IMAGE INTENSIFIERS; RADIATION DOSES; CONTROL; PHANTOMS; RADIATION MONITORING; RADIATION PROTECTION LAWS; TELEVISION; X-RAY DOSIMETRY; DIAGNOSTIC TECHNIQUES; DOSES; DOSIMETRY; LAWS; MEDICINE; MOCKUP; MONITORING; NUCLEAR MEDICINE; RADIOLOGY; STRUCTURAL MODELS; 550602* - Medicine- External Radiation in Diagnostics- (1980-)
OSTI ID:
6028118
Country of Origin:
Germany
Language:
German
Other Identifying Numbers:
Journal ID: CODEN: RDGNA
Submitting Site:
INIS
Size:
Pages: 231-239
Announcement Date:

Journal Article:

Citation Formats

Klein, J. Measurement and monitoring of entrance exposure dose rate in X-ray image intensifier television with dose rate control. Germany: N. p., 1981. Web.
Klein, J. Measurement and monitoring of entrance exposure dose rate in X-ray image intensifier television with dose rate control. Germany.
Klein, J. 1981. "Measurement and monitoring of entrance exposure dose rate in X-ray image intensifier television with dose rate control." Germany.
@misc{etde_6028118,
title = {Measurement and monitoring of entrance exposure dose rate in X-ray image intensifier television with dose rate control}
author = {Klein, J}
abstractNote = {For X-ray image intensifier television operation very low entrance dose rates (about 5.2 nA/kg) are stated and demanded, respectively. These required values are often manifold exceeded in practice so that a check seems to be necessary. It is shown and proved how these measurements can be performed with simple, generally available means of measurement in the radiological practice. For ZnCdS-image intensifiers should be considered that about 13 nA/kg for the large entrance size are not to be exceeded; for the CsI type lower values (factor 1.5) are practicable because of the twofold quantum absorption efficiency. Furthermore, some tests for a semiquantitative function check of the automatic dose rate control are proposed.}
journal = {Radiol. Diagn.; (German Democratic Republic)}
volume = {22:2}
journal type = {AC}
place = {Germany}
year = {1981}
month = {Mar}
}