Spring 2021 - Rebuilding Photogun

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Revision as of 14:53, 5 April 2021 by Grames (talk | contribs) (Created page with "===Re-align gun before venting=== :: Sent request to Gould ===HV work (venting)=== * Fiducialize Nb cathode * align cathode (to anode) * align LM to cathode * fiducialize HV...")
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Re-align gun before venting

Sent request to Gould

HV work (venting)

  • 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

Depo work (venting)

  • 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?

Repair stalk heater driver

https://logbooks.jlab.org/entry/3871902