February_EDFA_Digital

A RESOURCE FOR TECHNICAL INFORMATION AND INDUSTRY DEVELOPMENTS FEBRUARY 2018 | VOLUME 20 | ISSUE 1 edfas.org ELECTRONIC DEVICE FAILURE ANALYSIS ISTFA 2017 WRAP-UP PAGE 36 FAILURE MECHANISMS OF ELECTRO- MECHANICAL RELAYS ON PCBAs: PART I 4 MICROSTRUCTURE AND RELIABILITY OF TIN-SILVER MICRO-COPPER PILLAR ASSEMBLIES 20 DC/DC CONVERTER FAILS TO START UP WITHOUT OVERSHOOT DUE TO INTER- ACTION WITH INRUSH CURRENT SUPPRESSION CIRCUITRY 32 MONOGRAIN DEFECT IN POLYSILICON GATES 10