Difference between revisions of "Spring 2021 - Rebuilding Photogun"

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(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===
+
===Other jobs===
:: Sent request to Gould
+
* Re-align HV chamber before venting=> sent request to Gould
 +
* (done) Repair stalk heater driver => https://logbooks.jlab.org/entry/3871902
  
===HV work (venting)===
+
===Vent HV Chamber===
* Fiducialize Nb cathode
+
* fiducialize Nb cathode
 
* align cathode (to anode)
 
* align cathode (to anode)
 
* align LM to cathode
 
* align LM to cathode
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* find missing puck tab in HV chamber
 
* find missing puck tab in HV chamber
  
===Depo work (venting)===
+
===Vent Depo chamber===
 
* Make (2) SS schneedle w/o silver plating, replace depo chamber silver plated schneedle [[media:ACC2003000-0219 schneedle.pdf]]
 
* 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
 
* NF3 leak value => leave as-is
 
* align mask, fix w/ two set screws
 
* align mask, fix w/ two set screws
 
* replace K source with Alvatec Sb source?
 
* replace K source with Alvatec Sb source?
 
===Repair stalk heater driver===
 
:: https://logbooks.jlab.org/entry/3871902
 

Revision as of 15:55, 5 April 2021

Other jobs

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?