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

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| colspan="4" |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.
| colspan="4" |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.
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|Date 
|Date 
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|InP Etch Rate (um/min)
|InP Etch Rate (um/min)
|Selectivity (InP/SiO2)
|Selectivity (InP/SiO2)
|Profile SEM Picture
|-
|-
|10/4/2016
|10/4/2016
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|0.92
|0.92
|8.9
|8.9
|
|-
|-
|12/1/2016
|12/1/2016
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|0.96
|0.96
|12.1
|12.1
|
|-
|-
|12/15/2016
|12/15/2016
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|0.91
|0.91
|9.3
|9.3
|
|-
|-
|1/23/2017
|1/23/2017
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|0.93
|0.93
|9.4
|9.4
|
|-
|-
|2/7/2017
|2/7/2017
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|0.75
|0.75
|7.7
|7.7
|
|-
|-
|2/21/2017
|2/21/2017
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|0.91
|0.91
|11.3
|11.3
|
|-
|-
|3/21/2017
|3/21/2017
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|1.01
|1.01
|11.3
|11.3
|
|-
|-
|4/20/2017
|4/20/2017
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|0.88
|0.88
|10.2
|10.2
|
|-
|-
|5/4/2017
|5/4/2017
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|0.84
|0.84
|11
|11
|
|-
|-
|5/19/2017
|5/19/2017
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|0.82
|0.82
|9.9
|9.9
|
|-
|-
|7/6/2017
|7/6/2017
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|0.98
|0.98
|12.1
|12.1
|
|-
|-
|8/16/2017
|8/16/2017
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|0.76
|0.76
|8
|8
|
|-
|-
|8/28/2017
|8/28/2017
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|1
|1
|11.7
|11.7
|
|-
|-
|10/11/2017
|10/11/2017
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|1
|1
|11
|11
|
|-
|-
|10/23/2017
|10/23/2017
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|1.11
|1.11
|13.1
|13.1
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|-
|-
|11/21/2017
|11/21/2017
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|1.04
|1.04
|12.1
|12.1
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|-
|-
|12/7/2017
|12/7/2017
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|0.96
|0.96
|10.4
|10.4
|
|-
|-
|1/2/2018
|1/2/2018
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|1.44
|1.44
|14.3
|14.3
|
|-
|-
|3/1/2018
|3/1/2018
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|0.96
|0.96
|9
|9
|
|-
|-
|4/5/2018
|4/5/2018
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|1.05
|1.05
|11.9
|11.9
|
|-
|-
|4/10/2018
|4/10/2018
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|1.12
|1.12
|12.8
|12.8
|
|-
|-
|4/26/2018
|4/26/2018
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|1.29
|1.29
|13.6
|13.6
|
|-
|-
|5/22/2018
|5/22/2018
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|0.88
|0.88
|8.4
|8.4
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|-
|-
|8/7/2018
|8/7/2018
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|0.81
|0.81
|8.0
|8.0
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|-
|-
|10/3/2018
|10/3/2018
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|1.01
|1.01
|13.7
|13.7
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|-
|-
|12/10/2018
|12/10/2018
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|1.01
|1.01
|11.4
|11.4
|[https://www.nanotech.ucsb.edu/wiki/images/8/84/IP180909.pdf]

|}
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[https://www.nanotech.ucsb.edu/wiki/images/8/84/IP180909.pdf https://www.nanotech.ucsb.edu/wiki/index.php/File:IP180909.pdf]
[https://www.nanotech.ucsb.edu/wiki/images/8/84/IP180909.pdf https://www.nanotech.ucsb.edu/wiki/index.php/File:IP180909.pdf]

Revision as of 19:29, 31 January 2019

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 (um/min) Selectivity (InP/SiO2) Profile SEM Picture
10/4/2016 InP#1613 0.92 8.9
12/1/2016 InP#1614 0.96 12.1
12/15/2016 InP#1615 0.91 9.3
1/23/2017 InP#1701 0.93 9.4
2/7/2017 InP#1702 0.75 7.7
2/21/2017 InP#1703 0.91 11.3
3/21/2017 InP#1704 1.01 11.3
4/20/2017 inP#1705 0.88 10.2
5/4/2017 InP#1706 0.84 11
5/19/2017 InP#1707 0.82 9.9
7/6/2017 InP#1708 0.98 12.1
8/16/2017 InP#1709 0.76 8
8/28/2017 InP#1710 1 11.7
10/11/2017 InP#1711 1 11
10/23/2017 InP#1712 1.11 13.1
11/21/2017 InP#1713 1.04 12.1
12/7/2017 InP#1714 0.96 10.4
1/2/2018 InP#1801 1.44 14.3
3/1/2018 InP#1802 0.96 9
4/5/2018 InP#1803 1.05 11.9
4/10/2018 InP#1804 1.12 12.8
4/26/2018 InP#1805 1.29 13.6
5/22/2018 InP#1806 0.88 8.4
8/7/2018 InP#1807 0.81 8.0
10/3/2018 InP#1808 1.01 13.7
12/10/2018 InP#1809 1.01 11.4 [1]

https://www.nanotech.ucsb.edu/wiki/index.php/File:IP180909.pdf