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Message ID: 45     Entry time: Tuesday, February 14, 2012, 21:56
Author: John Wong 
Target Material: UO2 
Target Oven W.O#: 38481-9 
Source: LP-FEBIAD 
Status: Done 
Subject: UO2/Nb sintering process 

 Tuesday, February 14, 2012, 20:58

Evaporator is setup for UO2/Nb sintering process.  

Target oven filled with 402 discs of UO2/Nb, 5.0cm in length with tot mass of 61.49g. 

The chamber has been pumped down for 7 hrs, vac is currently at 4.6e-6 Torr. 

Parament set as follow, see attachment 1. 

 TGHT ramped up to 57A.  Pressure is stabilizing at 3.8e-5 Torr.  

Auto heating initiated.  0.1A/min.  Max TGHT = 500A. 


Sunday, February 19, 2012, 11:41 

TGHT has stayed at 500A for >10hrs,  Vac levels at 2.9e-6 Torr.

Target cool down initiated @ 2A/min.


 Monday, February 20, 2012, 10:23

Target has been cooled down over the weekend.  Vac currently at 5.77e-7 Torr.  

See attachment#2: UO2_Nb_1_striptool.jpg 

Chamber  vented in atmosphere.   


Monday, February 20, 2012, 16:23 

Pumps/ power supplies off. 


 

Attachment 1: Screen_shot_2012-02-14_at_9.00.04_PM.png  52 kB  | Hide | Hide all
Screen_shot_2012-02-14_at_9.00.04_PM.png
Attachment 2: UO2_Nb_1_striptool.jpg  27 kB  Uploaded Monday, February 20, 2012, 10:25  | Show | Hide all
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