Specific Process Knowledge/Etch/DRIE-Pegasus/showerheadchange

From LabAdviser
Comparison of processes before and after the change of showerhead in December 2014
Process Before After
Parameter change Wafer ID SEM images Comment Wafer ID SEM images
rebe g4-14 black silicon recipe S004592 Centre wafer S004592 Centre wafer File:S004 centre.jpg