Test methods for electrical materials, printed board and other interconnection structures and assemblies - General test methods for materials and assemblies. Process ionic contamination testing (PICT)

Test methods for electrical materials, printed board and other interconnection structures and assemblies - General test methods for materials and assemblies. Process ionic contamination testing (PICT)

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1   Scope

This part of IEC 61189 is a test method designed to determine the proportion of soluble ionic residues present upon a circuit board, electronic component or assembly. The conductivity of the solution used to dissolve the ionic residues is measured to evaluate the level of ionic residues.