Laser probe measurements of quality evolution of solder joints during thermal cycling ageing tests

Laser probe measurements of quality evolution of solder joints during thermal cycling ageing tests

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Article ID: iaor201523769
Volume: 12
Issue: 6
Start Page Number: 447
End Page Number: 452
Publication Date: Nov 1996
Journal: Quality and Reliability Engineering International
Authors: , , , , ,
Keywords: measurement
Abstract:

We present the results of a non‐destructive measuring method allowing us to characterize the evolution of solder joints during thermal cycling ageing tests. The method uses a high resolution optical probe to detect selectively pure Joule and Peltier thermal responses of the solder joint subject to a given current pulse. The results show the Peltier and Joule responses to be good indicators for the evaluation of the age and the degradation of solder joints.

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