Specific Process Knowledge/Etch/DRIE-Pegasus/showerheadchange/polySi/Cduv: Difference between revisions

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| danchip/showerhead/polySi etch DUV mask, 20 cycles or 3:02 minutes  
| danchip/showerhead/polySi etch DUV mask, 20 cycles or 3:02 minutes  
| S004675
| S004675
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! New showerhead
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Revision as of 14:33, 11 December 2014

Process runs
Date Substrate Information Process Information SEM Images
Wafer info Mask Material/ Exposed area Tool / Operator Conditioning Recipe Wafer ID Comments
20/11-2014 6" Wafer with 210 nm oxide and 1800 nm polysilicon standard stepper mask (50 nm barc + 320 nm krf) Si / 50+ % Pegasus/jmli 10 minute TDESC clean + 45 sec barc etch danchip/showerhead/polySi etch DUV mask, 20 cycles or 3:02 minutes S004675 Old showerhead

S00459305.jpg S00459306.jpg S00459307.jpg S00459308.jpg S004593-01.jpg S004593-02.jpg S004593-03.jpg

1/12-2014 1/4 6" Wafer with 210 nm oxide and 1800 nm polysilicon crystalbonded on carrier standard stepper mask (50 nm barc + 320 nm krf) Si / 50+ % Pegasus/jmli 10 minute TDESC clean + 45 sec barc etch danchip/showerhead/polySi etch DUV mask, 20 cycles or 3:02 minutes S004675 New showerhead