June 1, 2023, FCAL Insert Installation Meeting
From GlueXWiki
Meeting Time and Place =
Thursday June 1, 2023 9am At Jefferson Lab, Hall D Counting House and on Zoom https://jlab-org.zoomgov.com/j/1619449114?pwd=UFlVQ1dWTGZ0ZkVYSEx5QzE4YUI3dz09&from=addon meeting ID: 161 944 9114 Passcode: 562689
Agenda
- Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/May_17,_2023,_FCAL_Insert_Installation_Meeting
- Status of dis-assembly
- Cabling
- Frame rework Media:1201 frame.pdf
- Preliminary Stacking tests
- Crystals
- Crystal/glass boundary
- Media:Thermacool.pdf
- Samples in hand (.062" and .035", no glue) - look and feel fine
- Module refurbishment status
- Stacking Map
- Stacking Procedure update
- LMS headway
Minutes
- Reviewed minutes from last meeting
- Discussed shimming, will follow suit with IU and put 80um shim between the cooling blocks and the horizontal (straps towards sides) glass blocks
- Malte working on getting as many "green" blocks as possible.
- Students are doing visual inspection of crystal modules and removing the 400 existing signal cables that will not be used
- LMS box is almost settled, maybe temperature controlled using copper block or radiator. will use additional iron tube to shield pmts
- Eugene said we can buy an additional chiller ($1500) if needed
- Need to set up a separate meeting to discuss details of LMS design
- Crystal stacking mock up going well
- Hakob has arrived
- Need to meet to discuss stacking procedure
- Sasha will color code crystal module so it is known where they go in the stack up
- Frame mods going well. we will break down stacking setup in ESB next week to bring to hall and install in the frame
- We expect to be ready for stacking in about 3 weeks
- Keith H. will give Malte a printout of the glass modules to mark up where green and blue modules go
- We will meet again in 3 weeks as several people will not be available