Delta VSD Engineering and Production Testing (MIL-STD-750D method 3161
ATMPI understands the importance of good die attach in devices including power MOSFETs; therefore ATMI develops Delta VSD (DVSD) testing for the engineering and production phases in accordance with MIL-STD-750D method 3161.
ATMPI provides the necessary inputs into the test development including:
- Thermal characterization of the part with regard to VSD vs. Temperature
- Test development for the initial and final VSD determination
- Test development of the appropriate heating current pulse
- Test development of the duration of the heating pulse to ensure that the test interrogates the die to lead frame attachment
- Scale engineering Delta VSD (DVSD) and perform true quad site testing in production (link to the QM1000™ Tester)
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