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Test Methods for ECM Assessment & Process Control: Test Methodologies & Process Control

Category:
  • Videos
  • Solder Reliability
  • Flux

  • Brook Sandy-Smith and Phil Zarrow define the meaning behind each character in a flux classification and review five different test methods that determine the activity level of the flux. The test methods are copper mirror, copper corrosion, halide content, surface insulation resistance (SIR), and electrochemical migration (ECM), as well as resistivity of solvent extract (ROSE) and localized extraction followed by ion chromatography (C3) process control methods.