Revision as of 16:51, 16 May 2023

Meeting Time and Place =

Wednesday May 17, 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

Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/May_10,_2023,_FCAL_Insert_Installation_Meeting
Status of dis-assembly
- Shimming found to date Media:Shimmap.jpeg
- Frame removal work starting today
Preliminary Stacking test
- Media:Stacktest.jpeg
Crystal/glass boundary
- Media:Thermacool.pdf
- Samples in hand (.062" and .035", no glue) - look and feel fine
- Thermal test TBD
- Stacking test ready for crystals
LMS headway

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 == Minutes ==
-* Reviewed minutes from previous meeting
-** Malte - shift plan not needed as folks wishing to help can come and inspect almost anytime as there are modules on the table
-** Using 50 um alum mylar tape is fine. Should use narrower tape for cuts at strap - need to measure thickness to verify
-** Unstacking about 60% complete, only 4 shims thus far as expected at center SS tube
-** Malte will separate modules (36) for stack test - Scot to get Radcon to release - tech crew will set up and test fixture
-** Sasha stated that Hakov will come in June to help with stacking
-** LMS -
-*** Sasha received some fiber
-*** There is about 12" x 12" x 12" available under FCAL frame at center to accommodate sphere
-*** fibers need 2 cm bend radius
-*** Sasha/Arshak will supply sketch to see if it will fit at center - otherwise it mus be moved off center
-* Malte showed the brown modules near center rows - about 1/3 to 1/2 of the module length is affected (2-3 layers around center)
-* Malte and Mark are performing refurb on some modules
-* Tech crew doing most of the unstacking and inspection this week
-* Others may get involved with inspection
-*after meeting we discussed cable labeler and Eugene approved the purchase ($3.5K)