 Tuesday, April 12, 2011, 10:30, John Wong, Empty, 38481-5, HP-FEBIAD, Done, Fins diffusion bonding 
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Tue Apr 12 10:29:38 2011: Target wrapped with 3 Ta-heat shields. Evaporator is currently being pumped down.
Tue Apr 12 15:03:55 2011: Evaporator has been pumped down for over 4 hrs. Set TGHT @ 20A/ 0.066V, Vac @ 2.46e-6 Torr. (See Attachment#1
pumping down process). |
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Wednesday, April 13, 2011, 10:37, John Wong, Empty, 38481-7, HP-FEBIAD, Done, Diffusion bonding of Ta Fins for FEBIAD-HP
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Wed Apr 13 10:37:25 2011: Target is wrapped with 3 Ta-heat shields. Evaporator is currently being pumped down.
Wed Apr 13 15:28:02 2011: Evaporator has been pumped down for over 5 hrs. Vac @ 2.38e-6 Torr. (See attachment1: Pumping process)
Wed Apr 13 15:29:21 2011: Set TGHT @ 20A/0.074V, Vac 2.98e-6 Torr. |
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Thursday, April 14, 2011, 09:53, John Wong, Empty, 37810-1, HP-FEBIAD, Done, Fins Diffusion bonding
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Thu Apr 14 09:52:59 2011: Target is wrapped with 3-Ta heat shield and ready to go into the evaporator.
Thu Apr 14 11:57:29 2011: The process is on hold until the problem with the screw and the washer of the evaporator is resolved. See
ID#15 for more details. |
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Thursday, April 14, 2011, 17:03, John Wong, Empty, 38481-7, HP-FEBIAD, Problems resolved, Evap. bolt/washer problems & solutions 6x
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Thu Apr 14 14:03:17 2011: What did we see after the fin diffusion bonding of Ta fins for FEBIAD-HP (w.o#38481-7) ? :
1. A problem occurred during the FEBIAD HP Ta fin diffusion bonding and was discovered after the evaporator chamber was opened.
The washer was "wielded" on to the left leg of the target (see attachment #1: washer on target leg). |
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Monday, April 18, 2011, 18:14, John Wong, Empty, 38295-8, HP-FEBIAD, Problems, Sintering target oven coated with TaC
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Mon Apr 18 18:10:53 2011:
FEBIAD-HP target (w.o 38295-8) is coated with TaC (previously prepared on Feb 15, 2011). This target will be used for the SiC run in Oct,
2011. The target is wrapped with 3 Ta-heat shields and is in the evaporator. Pumping down of the evaporator is in process, currently vac @ |
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Wednesday, April 20, 2011, 16:42, John Wong, Empty, 38481-8, HP-FEBIAD, Done, Sintering target oven coated with TaC
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Wed Apr 20 16:39:46 2011: Target oven was coated with TaC early today. The target was allowed to dry and then wrapped with 3 Ta heat-shields.
The target is in the evaporator and it is being pumped down. Vac is currently at 9.48e-6 Torr.
Wed Apr 20 17:51:12 2011 : TGHT @ 60A/0.225V, Vac @ 5.98e-6 Torr. |
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Monday, May 09, 2011, 16:10, John Wong, Empty, 38817-1, HP-SIS, Done, Diffusion bonding of Ta Fins
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Mon May 9 16:09:35 2011: Target is wrapped with 3 Ta heatshields and the evaporator is begin pumped down.
Mon May 9 17:59:57 2011: Vac is @ 1.33e-5 Torr. TGHT was stepped up to 60A before starting the auto heating process (See Attachment#1:
TGHT_ramping_up). Note: Although the vacuum is at low e-5 torr, this should be fine to start the TGHT because it takes a while to heat up |
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Tuesday, May 10, 2011, 14:58, John Wong, Empty, 38817-2, HP-SIS, Done, Diffusion bonding of Ta Fins for HP-SIS (w.o#38817-2)
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Tue May 10 14:56:05 2011: Target is wrapped with 3 heat-shields. The evaporator is pumping down, vac @ 4.72e-6 Torr. TGHT was raised
to 60A/0.239V. Auto heating will being now; THGT will be ramped up to 820A @ 2A/min. (See Attachment#1: Staring_process)
Wed May 11 10:16:03 2011: Auto cooling was started by ISAC Ops' help. TGHT has ramped down to zero. The p/s will be turned off and |
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Monday, July 18, 2011, 15:55, John Wong, Empty, 38634-3, LP-SIS, Done, Sintering TaC coating for UCx#2
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Monday, July 18, 2011, 15:53: Target oven was coated with TaC and let dry over the weekend. The target is now installed in the evaporator
and currently being pumped down. No Ta-heat shields are required for LP target ovens.
Wednesday, July 20, 2011, 11:42: Evaporator had to be vented to remove the target because Ta-heat shields were actually required for UCx |
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Wednesday, August 03, 2011, 17:16, John Wong, Empty, 38634-8, LP-SIS, Done, Sintering TaC coating
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Wednesday, August 03, 2011, 20:27 : Target was wrapped with 3 new Ta-heat shields and 2 around the back block. The tar from the previous
UCx conditioning remained in the chamber was removed and cleaned. Chamber is currently being pumped down, vac currently @ 8.3 e-6 Torr.
Wednesday, August 03, 2011, 21:01: Begin to step up TGHT, currently vac @ 7.5e-6 Torr. |
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Monday, August 29, 2011, 11:21, John Wong, Empty, 38634-6, LP-SIS, Done, Sintering TaC coating oven for TaC#1
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Monday, August 29, 2011, 13:16: Target oven was coated with TaC and let dry over night. The target oven is in the evaporator and currently
being pumped down.
Monday, August 29, 2011, 15:12: Currently vac @ 8.41e-6 torr. |
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Tuesday, August 30, 2011, 09:31, Anders Mjos, Empty, Target Boat, LP-SIS, Done, Sintering of End Caps
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Tuesday, August 30, 2011, 09:29: Target Boat wrapped with 3 Ta heat shields. 6 D-End Caps and 6 End Caps coated with TaC. Pumping down - vac at 3.6e-5
torr.
Tuesday, August 30, 2011, 10:35: Stepped heater up to 100 A. Vacuum tripped heater. Stepped back up to 80 A then 70 A. Vac at 4.5e-5 torr. |
 Tuesday, August 30, 2011, 16:30, John Wong, Empty, Target Boat, LP-SIS, Done, Sintering of End Caps
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Anders Mjos wrote:
Tuesday, August 30, 2011, 09:29: Target Boat wrapped with 3 Ta heat shields. 6 D-End Caps and 6 End |
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Tuesday, September 06, 2011, 17:05, John Wong, Empty, 38634-6, LP-SIS, Done, Sintering TaC coating oven for TaC#1
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John Wong wrote:
Monday, August 29, 2011, 13:16: Target oven was coated with TaC and let dry over night. The target oven |
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Wednesday, September 07, 2011, 13:33, John Wong, Empty, , , Maintenance, Changed Evaporator#1 Backing Pump oil
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Wednesday, September 07, 2011, 11:18:
IEVAP:CG2 @ 52mT before oil change.
Edi D.V changed the oil for the backing pump. WP#2011-09-07-2. CG2 currently @ 21mT. |
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Wednesday, September 07, 2011, 15:40, Anders Mjos, Empty, , , Maintenance, Re-sealing of Glove Box
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2011-09-01:
Glove box was leaking (air/argon) between base and box. Light was shining through.
Removed old neoprene seal at base.
Resealed glove box between base and box with DAP Butylflex. No light shining through after repair.
Replaced rubber disks at 4 feed-throughs.
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Friday, September 09, 2011, 10:05, John Wong, Empty, , HP-FEBIAD, Done, Sintering TaC coating
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Friday, September 09, 2011, 10:05
Target oven coated with TaC, and wrapped with 3-Ta heat shields. Chamber is currently being pumped down.
TGHT @ 140A, IG 9.2 e-6 Torr, BP 20mT. |
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Monday, September 12, 2011, 13:08, John Wong, Empty, Target Boat, , Done, Sintering TaC coating on End Caps
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Monday, September 12, 2011, 13:07
Target boat is loaded with coated TaC end caps for sintering. Target boat is wrapped with 3 Ta-heat shields.
Max TGHT = 580A |
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Wednesday, September 21, 2011, 13:23, John Wong, Empty, 38634-10, LP-SIS, Done, Sintering TaC coating on target oven for UCx#3
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Wednesday, September 21, 2011, 13:23
Target oven was wrapped with 3-Ta heatshields including the back block.
Target is in the chamber and currently being pumped down. |
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Thursday, September 22, 2011, 20:34, John Wong, Empty, 38634-9, LP-SIS, Done, Sintering TaC coating for UCx#2 (spare)
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Thursday, September 22, 2011, 20:21
Target oven was wrapped with 3 Ta-heat shields and has been pumping down.
IG currently @ 3.2e-6 Torr, BP @ 25mT. |
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