[Tgun] [New Logentry] T-Gun: Quasi-Bake Update

mstefani at jlab.org mstefani at jlab.org
Fri Aug 2 14:30:04 EDT 2019


Logentry Text:
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As we wait for a reply from Spellman on HV supply issues, we have begun using heat tapes to help de-gas the gun to reduce vacuum bursts when processing resumes. The cathode is being heated at 6 V to prevent any contaminations. We will first ramp the temperature to 90 C and eventually reach 150 C tomorrow hold that value over the weekend. Temp is currently 50 C with vacuum reading 3e-7 Torr. The turbo is connected to the system to help with pumping.


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This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/3713695
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