Electron gun design meeting

Name: Electron gun design meeting
Start: 2025-09-04T14:00:00+02:00
End: 2025-09-04T15:00:00+02:00
Location: CERN

Thursday 4 Sept 2025, 14:00 → 15:00 Europe/Zurich

156/R-002 (CERN)

Gunn Khatri (CERN)

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Draft:

Present:

Vincent, Nicolas, Ahmed, Gunn, Camille, Jean

Discussion:

Vincent gives presentation
discussion on parallelism and metrology - Ahmed gave feedback
Jean gives feedback on mounting sequence and orientation of the gun
Discussion on small details about how to put different screws, might need special modified allen keys to tie the screws
Co-axiality of electrodes (anode, grid, pierce) with a alignment cylinder
first chamber for test will be without cooling jacket, but it will have the same assembly steps and procedure
Connection to cathode - Jean explains it is thin band of metal
Tolerence references for Vincent, see table 2 in EDMS doc:
https://edms.cern.ch/document/3077160/0.2
Make two assembly rigs.
SY-BI orders tantalum foil (Gunn, Jean)
Ask Emilien to call for electrical resistance measurement to SY-BI before brazing and after (Gunn, Jean)

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