Senior Process Engineer, Wet Etch at Coherent Corp

Sherman, TX, United States · Primary Duties & Responsibilities - Develop and optimize wet etch processes for VCSELs, photodiodes, and edge-emitting lasers (EMLs) on GaAs and InP substrates. - Define and control etch chemistry, etch rate, isotropic vs. anisotropic etching, selectivity, and undercut management…