Difference between revisions of "Test Data of Etching SiO2 with CHF3/CF4-Fluorine ICP Etcher"
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m (still a low etch rate on new fl cal) |
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|Observations/Notes |
|Observations/Notes |
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|SEM Images (45d, cross section) |
|SEM Images (45d, cross section) |
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+ | |8/19/22 |
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+ | |ND_SiO2 |
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+ | |260.7 |
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+ | |0.99 |
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+ | |Low selectivity/etch rate |
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+ | |[https://wiki.nanotech.ucsb.edu/w/images/8/82/30D_08192022_FICP_001.jpg <nowiki>[30D]</nowiki>][https://wiki.nanotech.ucsb.edu/w/images/5/56/CS_08192022_FICP_001.jpg <nowiki>[CS]</nowiki>] |
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|5/18/22 |
|5/18/22 |
Revision as of 16:58, 19 August 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=90 sec | ||||||
Date | Sample # | Etch Rate (nm/min) | Etch Selectivity (SiO2/PR) | Averaged Sidewalls Angle | Observations/Notes | SEM Images (45d, cross section) |
8/19/22 | ND_SiO2 | 260.7 | 0.99 | Low selectivity/etch rate | [30D][CS] | |
5/18/22 | NP_SiO2_Fl_10 | 308.7 | 1.19 | still lower etch rate | [1] [2] | |
5/10/22 | NP_SiO2_Fl_09 | 307.3 | 1.15 | *etch rate seems lower* | [1] [2] | |
4/26/22 | NP_SiO2_Fl_08 | 344.7 | 1.4 | [1] [2] | ||
4/20/22 | NP_SiO2_Fl_07 | 354.7 | 1.11 | [1] [2] | ||
4/14/22 | NP_SiO2_Fl_06 | 352.7 | 1.11 | [1] [2] | ||
3/29/22 | NP_SiO2_Fl_05 | 334.7 | 1.07 | [1][2] | ||
3/09/22 | NP_SiO2_Fl_04 | 358.9 | 1.06 | [1] [2] | ||
3/02/22 | NP_SiO2_Fl_03 | 347 | 1.05 | [1] [2] | ||
2/23/22 | NP_SiO2_Fl_02 | 362.7 | 1.02 | [1] [2] |
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, 50/800W, 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] |