Karen has been a Senior Research Chemist with Alpha for 25 years, specializing in the electrochemical reliability of soldering fluxes, including surface insulation resistance (SIR) and electrochemical migration (ECM) testing. She also has worked on the probe-ability of flux residues by in-circuit test probes. She is active in IPC standards task groups, including those working on J-STD-004 (flux requirements), J-STD-005 (solder paste requirements), J-STD-006 (solder alloy requirements), SIR and ECM testing, corrosion of metal finishes, and cleaning circuit boards....