1 Scope
2 Normative references
3 Terms and definitions
4 Test equipment
4.1 Desiccator
4.2 Humidity chamber
4.3 Thermal cycling chamber
4.4 Optical microscope
4.5 Scanning electron microscope microscopy
4.6 Fixing jig
5 Preparation for test
5.1 General
5.2 Selection of test methods
5.3 Storage conditions prior to testing
5.4 Handling of the specimen
5.5 Preconditioning by heat treatment
5.6 Specimen preparation by leads forming
6 Test condition
6.1 Ambient test
6.2 Damp heat test
6.3 Temperature cycling test
7 Test schedule
7.1 Procedure for test method selection
7.2 Initial measurement
7.3 Test
7.4 Recovery
7.5 Intermediate or final assessment
8 Information to be given in the relevant specification
9 Minimum requirements for a test report
Annex A (normative) Measurement of the whisker length
Annex B (informative) Examples of whiskers
Annex C (informative) Guidance on the sample lots and test
schedules
Annex D (informative) Guidance on acceptance criteria
Annex E (informative) Background on whisker growth
Annex F (informative) Background on ambient test
Annex G (informative) Background on damp heat test
Annex H (informative) Background on temperature cycling test
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Bibliography