Difference between revisions of "Test Data of Etching SiO2 with CHF3/CF4-Fluorine ICP Etcher"
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'''''This page is under construction - we are in the process of standardizing and collecting process control data for this tool. -- Demis 2022-02-11''''' |
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Revision as of 12:49, 12 April 2022
This page is under construction - we are in the process of standardizing and collecting process control data for this tool. -- Demis 2022-02-11
Fluorine ICP: 3.8mT, 50/900W, CHF3/CF4=10/30sccm, time=210 sec' | ||||||
Date | Sample# | Etch Rate (nm/min) | Etch Selectivity (SiO2/PR) | Averaged Sidewall Angle (o) | Observations/Notes | SEM Image |
11/5/2021 | SOFL01 | 136 | 1.2 | [1] | ||
02/09/22 | NP_SiO2_Fl_01 | Etched for 210s, all of PR was etched off | [1] |
Fluorine ICP: 3.8mT, 50/900W, CHF3/CF4=10/30sccm, time=90 sec | ||||||
Date | Sample # | Etch Rate (nm/min) | Etch Selectivity (SiO2/PR) | Averaged Sidewalls Angle | Observations/Notes | SEM Images (45d, cross section) |
02/23/22 | NP_SiO2_Fl_02 | 362.7 | 1.02 | [1] [2] | ||
03/02/22 | NP_SiO2_Fl_03 | ~360 - 370 | 1.05 | [1] [2] | ||
3/09/22 | NP_SiO2_Fl_04 | 358.9 | 1.06 | [1] [2] | ||
3/29/2022 | NP_SiO2_Fl_05 | 334.7 | 1.07 | [1][2] |
Fluorine ICP: 3.8mT, 50/800W, CHF3/CF4=10/30sccm, time=90 sec | ||||||
Date | Sample# | Etch Rate (nm/min) | Etch Selectivity (SiO2/PR) | Averaged Sidewall Angle (o) | Notes/Observations | SEM Images |
1/28/2021 | FE2102 | 309 | 0.99 | [2] |