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CMS Pixel Detector
Miscellaneous
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Phase 1
Phase 2
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Layer 1 Replacement
Layers 2-4
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| Layer 1 Replacement Elog |
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Message ID: 263
Entry time: Tue May 12 13:29:27 2020
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| Author: |
Andrey Starodumov |
| Category: |
Full test |
| Subject: |
FT of M1539, M1582, M1606 |
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M1539: Grade B due to mean noise >200e in few ROCs
M1582: Grade B due to mean noise >200e in few ROCs and at -20C 137 pixels in ROC1 failed trimming. For P5 could use older test results (trim parameters) of April 27 M20_1 when only 23 pixels in ROC1 failed trimming
M1606: Grade C due to 161 pixels failed trimming in ROC2 and total # of defects in this ROC 169. For P5 could use older test results (trim parameters) of March 19 M20_2 when only 36 pixels in ROC2 failed trimming or April 6 when 40 pixels failed (at all T this test has the best performance). |