DocumentCode :
1065681
Title :
Variable gain X-ray image intensifier tube
Author :
Carlson, Allan I. ; Singer, Barry M.
Author_Institution :
Philips Laboratories, Briarcliff Manor, NY
Volume :
26
Issue :
11
fYear :
1979
fDate :
11/1/1979 12:00:00 AM
Firstpage :
1711
Lastpage :
1717
Abstract :
An X-ray image intensifier tube with a variable gain SIT (silicon intensified target) target has been developed. The X-ray SIT tube has a gain control range of 300 to 1, low noise, 1500 TVL/ diameter limiting resolution, and picture quality comparable to that obtained with optically coupled X-ray intensifier-vidicon combinations. The variable internal gain of the X-ray SIT tube makes it possible to produce an electronic radiographic imaging system that can be used for both low-exposure-rate fluoroscopic examinations and high-exposure-rate, short-duration fluorographic recordings. Design considerations for the X-ray SIT target are presented, and a detailed analysis of the target noise is given. The measured characteristics of 6- and 9-in input diameter X-ray SIT tubes are summarized.
Keywords :
Electron tubes; Gain control; High-resolution imaging; Image intensifiers; Optical coupling; Optical noise; Optical recording; Radiography; Silicon; X-ray imaging;
fLanguage :
English
Journal_Title :
Electron Devices, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9383
Type :
jour
DOI :
10.1109/T-ED.1979.19675
Filename :
1480253
Link To Document :
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