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Entry  Monday, March 23, 2020, 07:50, Marla Cervantes, , 41882-1, TARGET BOAT, Done, Conditioning graphite target #1 (T2) 
    Reply  Wednesday, May 20, 2020, 12:54, Marla Cervantes, , 41882-1, TARGET BOAT, Done, Conditioning graphite target #1 (T2) e-log482-fig-1.JPG
Message ID: 480     Entry time: Monday, March 23, 2020, 07:50     Reply to this: 482
Author: Marla Cervantes 
Target Material:  
Target Oven W.O#: 41882-1 
Source: TARGET BOAT 
Status: Done 
Subject: Conditioning graphite target #1 (T2) 

Friday, March 20, 2020, 19:39

The target material is loaded in a graphite cartridge.

The graphite cartridge is placed in a new tantalum boat previously without TaC,

the Ta boat was wrapped with three new Ta heat shields.

The system is currently pumping down. 


Monday, March 23, 2020, 07:49

IGP1 = 2.2e-7 Torr

Good vacuum= 3.00 e-5 Torr

Bad vacuum = 5.00 e-5 Torr

Ramping TGHT to 40A at 0.5A/min 


Monday, March 23, 2020, 10:35

Due to the COVID-19, non-essential activities are wrapped up,

the conditioning of the carbon target will be postponed until further notice 

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