Electrochemical migration in printed wiring boards and assemblies. Mechanisms and testing Ingestion-build-180956

Electrochemical migration in printed wiring boards and assemblies. Mechanisms and testing Ingestion-build-1809561 Scope This Technical Report describes the history of the degradation of printed wiring boards caused by electrochemical migration, the measurement method, observation of the failure and remarks to testing in detail.

BS 1912:1990 includes a technical change with respect to BS 1912:1985

This British Standard also specifies requirements for the design

6 mm ≤ D ≤ 50 mm for aerospace applications

BS EN 66079-29 applies to equipment

vehicle wear as well as pavement and road durability

BS EN ISO 9873:2019 supersedes ISO 9873:2017

Categories of radio equipment contained on proximity-1 link elements

— the first methodology is based on reverberation room measurement (see EN ISO 3741

It allows:

In all tables

a possible classification of buildings is given in Annex A

the value of its contents and the prevailing circumstances