IEC-60806 Determination of the maximum symmetrical radiation field of X-ray tube assemblies and X-ray source assemblies for medical diagnosis


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IEC 60806:2022 is applicable to X-RAY SOURCE ASSEMBLIES and X-RAY TUBE ASSEMBLIES.
This document specifies a method for the determination of the greatest geometrically symmetrical RADIATION FIELD at a specified distance from the FOCAL SPOT for which the percentage AIR KERMA RATE along the major axes of the RADIATION FIELD does not fall below a permitted value.
In case multiple FOCAL SPOTS are not super-imposed, each FOCAL SPOT has its own REFERENCE AXIS. Then the maximum RADIATION FIELD can be given for each FOCAL SPOT separately.
IEC 60806:2022 cancels and replaces the first edition published in 1984. This edition constitutes a technical revision.
This edition includes the following significant technical change with respect to the previous edition:
a) addition of solid state detectors as they have become more common since the first edition of 1984.



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11.040.50 (Radiographic equipment Including radiographic diagnostic and therapy equipment Dental, medical and industrial radiographic films, see 37.040.25)

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Document Number

IEC 60806 Ed. 2.0 b:2022

Revision Level




Publication Date

Dec. 1, 2022

Committee Number