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Validation of a new surface insulation resistance (SIR) test method.

Zou, L; Hunt, C (2000) Validation of a new surface insulation resistance (SIR) test method. NPL Report. CMMT(A)300

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In a previous part of this work the draft SIR test method was produced (1). The method was verified using conventional fluxes and solder paste in a full production environment (2). The final SIR test method has been released here. The method is significantly different to the existing standard in a number respects and reflects the advances in electronics manufacturing and the improvements in the instrumentation. The method represents a major step forward in improving the sensitivity of the test and its ability to predict reliability. This method has been tested and validate using the commercial flux and solder paste as part of an intercomparison. The results confirmed that good agreement would be achieved by different laboratory. Both the commercial flux and solder paste passed the criterion in the new SIR measurement method. Therefore the new method is very successful at evaluating the reliability of modern electronic circuit board.

Item Type: Report/Guide (NPL Report)
NPL Report No.: CMMT(A)300
Subjects: Advanced Materials
Advanced Materials > Electronics Interconnection
Last Modified: 02 Feb 2018 13:17
URI: http://eprintspublications.npl.co.uk/id/eprint/4022

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