Spring 2021 - Rebuilding Photogun

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Other jobs

Re-align HV chamber before venting? => sent request to Gould
(done) Repair stalk heater driver => https://logbooks.jlab.org/entry/3871902

Vent HV Chamber

fiducialize Nb cathode
align cathode (to anode)
align LM to cathode
fiducialize HV chamber
align HV to chamber Y
re-align laser
find missing puck tab in HV chamber

Vent Depo chamber

Make (2) SS schneedle w/o silver plating, replace depo chamber silver plated schneedle media:ACC2003000-0219 schneedle.pdf
NF3 leak value => leave as-is
align mask, fix w/ two set screws
replace K source with Alvatec Sb source?

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