Difference between revisions of "Test Data of etching SiO2 with CHF3/CF4/O2 (using this recipe only for Florine etch of the underneath layer)"

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(add a SEM pic)
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Latest revision as of 17:31, 6 April 2020

ICP#1: 0.5Pa, 50/500W, CHF3/CF4/O2=35/5/10sccm, time=210 sec
Date Sample# Etch Rate (nm/min) Etch Selectivity (SiO2/PR) Averaged Sidewall Angle (o) SEM Images
1/28/2019 I11902 78.1 0.63 [1]
5/29/2019 I11904 71.1 0.58 [2]