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Entry  Tuesday, August 18, 2015, 16:02, Laura Lambert, Ta, , HP-SIS, In progress, Conditioning Ta#46 Target 
    Reply  Wednesday, August 19, 2015, 17:26, John Wong, Ta, , HP-SIS, In progress, Conditioning Ta#46 Target 
       Reply  Thursday, August 20, 2015, 10:07, Laura Lambert, Ta, , HP-SIS, In progress, Conditioning Ta#46 Target 
          Reply  Thursday, August 20, 2015, 17:15, John Wong, Ta, , HP-SIS, Done, Conditioning Ta#46 Target 
Message ID: 236     Entry time: Tuesday, August 18, 2015, 16:02     Reply to this: 237
Author: Laura Lambert 
Target Material: Ta 
Target Oven W.O#:  
Source: HP-SIS 
Status: In progress 
Subject: Conditioning Ta#46 Target 

Tuesday, August 18, 2015, 15:53

Target consists of 505 discs.

Total packed length 3.4cm.

Total mass 75.2772g.

Re foil inserted.

3x Ta Heat shields.

No endcaps inserted.

Chamber currently pumping down.

TBHT will be ramped up to 230A at 1.0A/min.

TGHT will be ramped up to 1800C, auto ramp to 600A at 2.0A/min [estimated final value of 720A according to elog ID 184]

*Note: Turbo Pump is on low speed

 Wednesday, August 19, 2015, 10:15

IGP1 = 8.3e-7 Torr.

Tapped up manually to 35A.

Initiating auto-ramp.

Wednesday, August 19, 2015, 15:55  

IGP1 = 3.3e-6 Torr.

TBHT reached max setpoint of 230A

TGHT reached max setpoint of 600A

OMEGA = 1554C

Increasing final setpoint of TGHT to 700A and re-initiating auto-ramp.

 

ELOG V2.9.2-2455