Difference between revisions of "JEF meeting, April 8, 2022"

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** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/4_8_22/nps_siccas1.jpg  91 + 40 = 131 SICCAS crystals were moved from the NPS lab][https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/4_8_22/nps_siccas.jpg]. 40 of them have been checked/tested before. Crystals have to be inventorized.
 
** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/4_8_22/nps_siccas1.jpg  91 + 40 = 131 SICCAS crystals were moved from the NPS lab][https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/4_8_22/nps_siccas.jpg]. 40 of them have been checked/tested before. Crystals have to be inventorized.
 
** Chris continues brazing brass straps. Some minor issues with brazing the front flange [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/4_8_22/bad_straps.jpg]. Pre-selected bad more than 20 assemblies [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/4_8_22/bad_straps1.jpg] (can be fixed). Revisited the brazing procedure with Tim and Chris. Chris was sick for a couple of days, some backlog in module fabrication.
 
** Chris continues brazing brass straps. Some minor issues with brazing the front flange [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/4_8_22/bad_straps.jpg]. Pre-selected bad more than 20 assemblies [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/4_8_22/bad_straps1.jpg] (can be fixed). Revisited the brazing procedure with Tim and Chris. Chris was sick for a couple of days, some backlog in module fabrication.
 +
** Production of Silicon cookies at the GWU [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/4_8_22/image_50394113.JPG]. See Olga's report.
 
** [https://halldweb.jlab.org/detectors/fcal2/pmt/4125_quotes_fcal_04_06_22.pdf Quotes for R4125 PMTs in 2022 (quotes to order spares)]
 
** [https://halldweb.jlab.org/detectors/fcal2/pmt/4125_quotes_fcal_04_06_22.pdf Quotes for R4125 PMTs in 2022 (quotes to order spares)]
 
* Module fabrication  -- Sasha
 
* Module fabrication  -- Sasha

Revision as of 20:16, 7 April 2022

Meeting time and location

  • 9:30 am EST (JLab time) remote only
  • Zoom meeting ID: 161 050 9142 Passcode: 004965

Agenda