Difference between revisions of "InP Etch Rate and Selectivity (InP/SiO2)"

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|Date 
 
|Date 
 
|Sample#
 
|Sample#
|InP Etch Rtae (mm/min)
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|InP Etch Rate (mm/min)
 
|Selectivity (InP/SiO2)
 
|Selectivity (InP/SiO2)
 
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Revision as of 10:38, 2 May 2018

1.4 mT, 125/800W, Cl2/H2/Ar flow-rate=6.3/12.7/2 sccm, chuck temperature=200 C, and etch time=90s (Prior to the etch, do O2 plasma chamber clean for 15 minutes, then, chamber coating with the same recipe and a quarter dummy InP on carrier for 15 minutes.
Date  Sample# InP Etch Rate (mm/min) Selectivity (InP/SiO2)
4/26/2018 InP#1805 1.29 13.6

https://www.nanotech.ucsb.edu/wiki/images/a/ab/IP180506.jpg