Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 General requirements
   4.1 Corrosion protection
   4.2 Mechanical damage
   4.3 Handling
   4.4 Film-coated CRTs
5 Environmental conditioning
   5.1 Standard atmospheric conditions for testing
   5.2 Preconditioning
   5.3 Thermal conditioning
6 Sampling
   6.1 Sampling plans
   6.2 Sample numbers
   6.3 Compliance
7 Test preparation and set-up
   7.1 Scratch patterns
   7.2 Barriers
   7.3 Mounting
   7.4 Mounting position
8 Testing of large CRTs
   8.1 Mechanical strength (ball impact test)
   8.2 Implosion test (missile)
   8.3 Implosion test (thermal shock)
   8.4 High-energy impact test
9 Testing of small CRTs
   9.1 Mechanical strength (ball impact test)
   9.2 Implosion test (high ball)
   9.3 Implosion test (thermal shock)
   9.4 High-energy impact test
10 Testing of prestressed banded CRTs with protective film
   10.1 General
   10.2 Film scoring pattern for CRTs with protective film
   10.3 Peel test
   10.4 Immersion test
11 Marking
12 Application notes for pre-stressed banded CRTs with
   protective film
13 Normative requirements for the use of Tables 1 and 2
   (prestressed banded CRTs)
   13.1 Sampling plan I: New construction
   13.2 Sampling plan II: New construction with known resin
        or tape
   13.3 Sampling plan III: Tension band and alternative
        tension band
   13.4 Sampling plan IV: Alternative construction
14 Normative requirements for the use of Tables 3 and 4
   (prestressed banded with protective film)
   14.1 Sampling plan I: New construction
   14.2 Sampling plan II: New construction with known resin,
        tape, film or adhesive
   14.3 Sampling plan III: Alternative tension band
   14.4 Sampling plan IV: Alternative construction
15 Alternative thermal conditioning for use with Tables
   3 and 4 (prestressed banded with protective film)
   15.1 Additional peel force requirements where
        alternative thermal conditioning is to be performed
   15.2 Tensile strength test where alternative thermal
        conditioning is to be performed
16 Normative requirements for the use of Tables 6 and 7
   (bonded frame CRTs)
   16.1 Sampling plan I: New construction
   16.2 Sampling plan II: Alternative construction
17 Normative requirements for the use of Tables 8 and 9
   (laminated CRTs)
   17.1 Sampling plan I: New construction
   17.2 Sampling plan II: Alternative construction
Annex A (informative) Background to the development of
        this standard
   A.1 Mechanical strength test
   A.2 Implosion test
   A.3 Small CRTs (76 mm to 160 mm diagonal)
   A.4 Evaluation time
Annex B (informative) Velocity and potential force of
        glass particles expelled from a CRT subjected
        to a ball impact - Ballistic and statistical
        calculations
   B.1 Introduction
   B.2 Analysis without friction
   B.3 Analysis with friction
   B.4 Potential threat
   B.5 Conclusions
Figure
Tables

Abstract

Applies to cathode ray tubes and cathode ray tube assemblies which are intended for use as components in apparatus and which have integral protection with respect to the effects of implosion.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 39