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_1  Not logged in ELOG logo
Message ID: 271     Entry time: Saturday, June 05, 2021, 09:14
Author: Marla Cervantes 
Target Material: UC2 
Target Oven W.O#:  
Source: TARGET BOAT 
Status: In progress 
Subject: UCx#33 Conditioning 

 Saturday, June 05, 2021, 08:57

Target #33 was installed in the EVAP1 and pumped down yesterday (Friday 4).

Target #33 is going to be conditioned on a Ta boat wrapped with 3 Ta foils.

IGP1 = 3.85e-6 Torr

Good vacuum = 1e-1 Torr

Bad vacuum = 5e-1 Torr

Power desired 1.6kW. This is the first target conditioned this way, 


Saturday, June 05, 2021, 09:13

Current ramp is 2A/30s to 400 A


Saturday, June 05, 2021, 10:59

TGHT = 3.5V, 399.7 A, 1.4 kW

IGP1 = 4.4e-5 Torr


Saturday, June 05, 2021, 11:00  

Current ramp is 2A/30s to 450 A


Saturday, June 05, 2021, 11:14

 TGHT = 4.06 V, 451.584 A, 1.4 kW

IGP1 = 4.86e-5 Torr


Saturday, June 05, 2021, 11:15 

Current ramp is 2A/30s to 500 A


Saturday, June 05, 2021, 11:23

TGHT = 4.23 V, 467.2 A, 1.97 kW pressure was still increasing a little at 1.6kW

IGP1 = 4.86e-5 Torr


Saturday, June 05, 2021, 19:10

 TGHT = 4.08 V, 459.52 A, 

IGP1 = 6.4e-6 Torr

Initiate ramp down  at 2 A/min to 0A

ELOG V2.9.2-2455