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SSH EN IEC 60336:2021

Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Focal spot dimensions and related characteristics

Sep 29, 2021

General information

60.60     Sep 29, 2021

95.99    Oct 1, 2026

DPS

DPS/KT 6

European Norm

11.040.50  

English  

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Scope

IEC 60336:2020 applies to FOCAL SPOTS in medical diagnostic X-RAY TUBE ASSEMBLIES for medical use, operating at X-RAY TUBE VOLTAGES up to and including 150 kV.

This document describes the test methods employing digital detectors for determining:

a) FOCAL SPOT dimensions in terms of NOMINAL FOCAL SPOT VALUES, ranging from 0,1 to 3,0;

b) LINE SPREAD FUNCTIONS;

c) one-dimensional MODULATION TRANSFER FUNCTIONS;

d) FOCAL SPOT PINHOLE RADIOGRAMS,

and the means for indicating compliance.

In informative annexes, STAR PATTERN imaging and BLOOMING VALUE are described.

IEC 60336:2020 cancels and replaces the fourth edition published in 2005. This edition constitutes a technical revision.

The significant changes of this fifth edition with respect to the previous edition are detailed in Clause E.6. These changes are:

a) introduction of digital detectors and discretization errors;

b) fewer normative requirements;

c) support for both SLIT CAMERA and PINHOLE CAMERA;

d) reintroduction of distorted (skewed) FOCAL SPOT;

e) keeping of STAR PATTERNS and BLOOMING VALUE as informative.

Life cycle

NOW

PUBLISHED
SSH EN IEC 60336:2021
60.60 Standard published
Sep 29, 2021

Related project

Adopted from EN IEC 60336:2021 IDENTICAL

Adopted from IEC 60336:2020 ED5 IDENTICAL