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Wed 6/1/2016 2:12 PM: Attached, the latest metrology files for the 3 quads at MEC. Quad0 and Quad2 metrologies should be applied for all experiments after 2016.02.16. Quad 1 metrology should be applied for all experiments after 2016.04.21. As always, please use only Mikhail’s curated version; Excel files are known to contain bugs. Thanks, Gabriel ------------ On Thu, Jun 2, 2016 at 9:42 AM Dubrovin, Mikhail: Hi Gabriel, Your file with optical measurements of MEC Quad1 from 2015-04-21 has large Z coordinates even for the 1st point as shown below. Point 6 with Z=-1095 is definitely problematic. Should we trust to these Z measurements? Mikhail ------------ Thu 6/2/2016 9:47 AM No, the very large numbers (in absolute values) are not correct; sometimes the OGP focuses on other surfaces than the sensor surface. I’ll look into the strange values today. (If a large fraction of the tiles are not correct, we can easily re-metrologize the offending MEC quad; we only need to remove the front shield. In the CXI camera it’s much more complicated, as written yesterday). Thanks, Gabriel |
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Blaj, Gabriel Fri 6/17/2016 4:53 PM To: Galtier, Eric Christophe; Blaj, Gabriel; Dubrovin, Mikhail; Cc: Hart, Philip Adam; Hi, Just to make sure there is no labeling mix-up, could you please try the latest metrology files for the other 2 quads? I’m asking this because 2 weeks ago I received a quad I thought was 1 but was labeled 2 Gabriel |
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