March 31, 2017 - 200kV gun upgrade meeting
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New action items
Electrode/insulator design/fabrication
- Gabriel assessed fields to vacuum chamber, modified shed radius
- S&A insulator measurements
- ME design for shop ... goal was end of March !!!
- Then ... vacuum fire electrode 900C, barrel polish, assemble to insulator
- Status of parts
Ceramic bushing holder ready from shop media:170330_bushing.pdf Ordered two centering ceramics - 4-6 weeks
Vacuum chamber/considerations
- Retain leak valve, add right angle valve through first bake, at least
- Retain electrical isolation and NEG activation at 100C
- Pick up ceramics, blow out NEG
Gun2 NEG Tube
- BPM discussion w/ Musson occurred on Monday, considerations:
Antenna : stripline or wire (mini or weld) media:170327_stripline.pdf Position and orientation of antenna v. can for transmission line, length of antenna v. energy NEG coat surfaces of pipe, not can? TBD
- Met in tunnel to develop first pass ME design Logbook pic/layout of the existing Gun2 NEG
First iteration media:NEGTUBE_MARCH30.pdf
Gun3 Removal
- Matt check with Willeke next week during JLEIC meeting Gun3
- Remove Gun3 table, rebuild 8" chamber w/ extractor, RGA, GP-100 on 80/20 stand, recoup Gun3 MFH solenoid
Planning for May - Marcy submitted ATLIS task for the job
Eliminating Gun Switch Software
Spellman HVPS update
- Time to get Mike Johnson started on Spellman at UITF?
John/Brad trying to communicate to Spellman w/ their software Need old version of JAVA to get started