Specific Process Knowledge/Etch/DRIE-Pegasus/showerheadchange/polySi/Cpoly1
Date | Substrate Information | Process Information | SEM Images | ||||||
---|---|---|---|---|---|---|---|---|---|
Wafer info | Mask | Material/ Exposed area | Tool / Operator | Conditioning | Recipe | Wafer ID | Comments | ||
3/12-2014 | 1/4 6" Wafer with 210 nm oxide and 1800 nm polysilicon CB on oxide carrier | standard stepper mask (50 nm barc + 320 nm krf) | Si / 50+ % | Pegasus/jmli | 10 minute TDESC clean + 45 sec barc etch | danchip/showerhead/Cpoly1, 20 cycles or 2:04 minutes | S004724 | New showerhead |