Degradation of weld strength beyond that which is unacceptable in the end product can always be detected non-destructively. This detection is best made during the weld cycle by monitoring a combination of three parameters: voltage pulse, infrared radiation, and setdown. Other measurements evaluated but found impractical are: eddy current, joint resistance, and sonic/ultrasonic methods. Laboratory experiments show that weld criteria and instrumentation are easily developed.


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    Title :

    In-Process Non-Destructive Microweld Inspection Techniques


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Micro Electronic Packaging Conference ; 1968



    Publication date :

    1968-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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