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Message ID: 9     Entry time: Friday, April 08, 2011, 14:55
Author: John Wong 
Target Material: Empty 
Target Oven W.O#: 38295-8 
Source: HP-FEBIAD 
Status: Done 
Subject: Fins diffusion bonding  

Fri Apr 8 14:51:37 2011:  Target is wrapped with 3 Ta-heat shields.  The evaporator has been pumped down for over 4 hrs, currently vac @ 2.8e-6 Torr.  (See attachment #1, note: the drops in the IG1 reading were due to Controls group helping to fix the alarm handler notifications for the pagers.)

 Fri Apr 8 14:56:21 2011:  TGHT @ 20A/0.079V, panel reads 18V.   Vac @ 2.73e-6 Torr.

Fri Apr 8 14:57:42 2011: TGHT @ 40A/0.165V, panel reads 18A.  Vac @ 2.73e-6 Torr. 

Fri Apr 8 14:59:51 2011: Auto heating begins.  (See Attachment#2 for the parameter setup).  The target heater will read to 820A at 21:30.  ISAC Ops will help to cool down the target at around 05:00 on Saturday; instructions will be given.

Mon Apr 11 09:37:40 2011:  Target was cooling on last Saturday April 9 by the help from ISAC Ops.  (See Attachment#3 for the cooling down process).

Mon Apr 11 09:42:09 2011 :  Evaporator is vented.

 

 

 

Attachment 1: pumping_down.jpg  162 kB  | Show | Hide all
Attachment 2: Autoheating_parameter_setup.jpg  156 kB  Uploaded Friday, April 08, 2011, 16:01  | Show | Hide all
Attachment 3: cooling_down.jpg  94 kB  Uploaded Monday, April 11, 2011, 10:39  | Hide | Hide all
cooling_down.jpg
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