Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
  Evaporator_2  Not logged in ELOG logo
Entry  Friday, June 13, 2014, 14:57, Laura Lambert, Ta, 40282-2, LP-SIS, In progress, Conditioning Ta#43 target 
    Reply  Monday, June 16, 2014, 17:42, John Wong, Ta, 40282-2, LP-SIS, In progress, Conditioning Ta#43 target Ta#43_3.JPEG
       Reply  Tuesday, June 17, 2014, 10:14, Laura Lambert, Ta, 40282-2, LP-SIS, Done, Conditioning Ta#43 target 
Message ID: 135     Entry time: Friday, June 13, 2014, 14:57     Reply to this: 136
Author: Laura Lambert 
Target Material: Ta 
Target Oven W.O#: 40282-2 
Source: LP-SIS 
Status: In progress 
Subject: Conditioning Ta#43 target 

 Friday, June 13, 2014, 14:53

Container is filled with 400 discs of Ta foils; target length = 5.2cm;

Total mass ( Ta foils + wire) = 45.92g

No Ta foil heat shield.

No caps inserted.

Chamber pumped down this morning.

HS cooling water valves opened, no leaks detected.

IG @ 5.8e-6 Torr.

TGHT max = 580A

TBHT max = 230A

Ramping rate 0.2A/min.


 Monday, June 16, 2014, 11:46

TGHT and TBHT reached their respective 580A and 230A over the weekend.

IGP1 currently at 3.2e-7 Torr.

Internal temp [measured using mikron, right side of EVAP2, pointed at discs inside] = 1375C


 

ELOG V2.9.2-2455