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Message ID: 8     Entry time: Wednesday, April 06, 2011, 17:07
Author: John Wong 
Target Material: Empty 
Target Oven W.O#: 37978-1 
Source: HP-FEBIAD 
Status: Done 
Subject: Fins diffusion bonding  

Wed Apr 6 17:06:56 2011: Target oven is wrapped with 3 Ta-heat shields.  Pumping down evaporator in progress.

Thu Apr 7 09:32:36 2011: Evaporator has been pumped down for over 16 hrs, vac @ 1.74e-6 Torr (see attachment#1).   Target heater is turned on and about to ramp up.

 Thu Apr 7 09:37:11 2011: TGHT @ 20A/0.071V, panel reads 18A.

Thu Apr 7 09:38:16 2011: TGHT @ 40A/0.147V, panel reads 37A.

Thu Apr 7 09:40:53 2011:  Auto-heating begins.  (See attachment#2 for Parameter Setup)

Fri Apr 8 10:08:07 2011:  Auto-cooling process began last night at 8:30pm.  Instructions were given to the on shift ISAC-Ops to being the auto cooling.  The process was finished this morning at around 3am.  (See attachment#3 for the cooling down process).  The evaporator p/s is off and ready to be vented.

 

 

Attachment 1: pumping_down.jpg  158 kB  Uploaded Thursday, April 07, 2011, 10:35  | Hide | Hide all
pumping_down.jpg
Attachment 2: Autoheating_parameter_setup.jpg  163 kB  Uploaded Thursday, April 07, 2011, 10:41  | Show | Hide all
Attachment 3: cooling_down.jpg  164 kB  Uploaded Friday, April 08, 2011, 11:10  | Show | Hide all
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