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Coating Ring-down Measurement Lab elog |
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Message ID: 448
Entry time: Tue Dec 19 10:06:04 2017
Reply to this: 449
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Author: |
Gabriele |
Type: |
General |
Category: |
Measurements |
Subject: |
CO2 polished UW substrates |
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The four surviving University Wafers 76.2mm/0.5mm wafers have been CO2 polished. They are identified by numbers from 1 to 4 on the container. Number 4 was used for tests, so it might not be as good as the other three. During number3 polishing, the CO2 laser tripped, so I restarted the process from the beginning.
2017-12-19
- 10:10am in chamber
- number 1 in CR1
- number 2 in CR2
- number 3 in CR3
- number 4 in CR4
- 10:15am roughing pump on
- 10:25am turbo pump on
- Excitations
- Quiet time before excitation: 1197750193
Excitation broadband: 1197750228
Quiet time after excitation: 1197750253
- Quiet time before excitation: 1197757483
Excitation broadband: 1197757518
Quiet time after excitation: 1197757543
- Quiet time before excitation: 1197764773
Excitation broadband: 1197764808
Quiet time after excitation: 1197764833
- Quiet time before excitation: 1197772063
Excitation broadband: 1197772098
Quiet time after excitation: 1197772123
- Quiet time before excitation: 1197779353
Excitation broadband: 1197779388
Quiet time after excitation: 1197779413
- Quiet time before excitation: 1197786643
Excitation broadband: 1197786678
Quiet time after excitation: 1197786703
- Quiet time before excitation: 1197793933
Excitation broadband: 1197793969
Quiet time after excitation: 1197793994
- Quiet time before excitation: 1197801224
Excitation broadband: 1197801259
Quiet time after excitation: 1197801284
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