Test Data of etching SiO2 with CHF3/CF4: Difference between revisions

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|https://www.nanotech.ucsb.edu/wiki/images/8/87/SiO2_Etch_using_ICP2_no_O2-3-06-2019.pdf
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Revision as of 23:06, 19 July 2019

ICP#2: 0.5Pa, 50/900W, CHF3/CF4=10/30 sccm, time=210 sec
Date Sample# Etch Rate (nm/min) Etch Selectivity (SiO2/PR) Averaged Sidewall Angle (o) SEM Images
10/5/2018 SiO2#02 160 1.2 82.1 [1]
1/28/2019 I21901 146 1.23 [2]
3/6/2019 I21904 151 1.23 85.6 https://www.nanotech.ucsb.edu/wiki/images/8/87/SiO2_Etch_using_ICP2_no_O2-3-06-2019.pdf
7/18/2019 I21905 162 1.37