200 kV gun
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- High voltage test => evaluate onset of field emission in small HV chamber with tee electrode
- Install high voltage insulator or PIG
- Plan media:200817_Tee_Evaluation.pptx
- Gun work => replace cathode in small HV chamber with small shed and tee electrode
- Install and align new small shed (cut from large shed) SS tee w/ conductive insulator
- Replace 10" anode flange (no change to anode spider - tube - anode) with tapped flange for BPM
- Remove inline getters
- Build new 2I beam line (BPM-tube-BPM-tube/FX-bellows-BPM-valve)
- Bake
- High voltage test => evaluate on set of field emission, high voltage gas condition to 200 kV no FE