 Tuesday, April 13, 2021, 10:44, Marla Cervantes, Empty, NA (Ta- tube Eagle Alloys), , Done, Re-coat 4 
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Tuesday, April 13, 2021, 09:51
IGP1 = 2.5e-7 Torr
Tuesday, April 13, 2021, 10:17 |
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Thursday, April 08, 2021, 08:25, Aaron Schmidt, Ta, 44139-10, LP-SIS, In progress, Conditioning Ta#62 & Flex - line HS installed
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Ta#62 LP-SIS target description:
Total Ta foils = 470 [6x20 packs + 350 single discs]
Foil Thickness = 0.025mm |
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Sunday, April 04, 2021, 16:09, Ferran Boix Pamies, Empty, 41882-2, TARGET BOAT, Done, parasitic target commissioning
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2021-04-04 16:07 New container is in with heatshields, vacuum 8.6E-6 torr. leak check done. ramping up current, checking both pyrometer and TC,
1A/10s.
2021-04-04 16:49 200A TGHT 250degC on TC 1130degC on pyrometer. Too low on TC, ramping down and venting to reposition TC in the foil. |
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Tuesday, March 30, 2021, 19:49, Ferran Boix Pamies, Empty, 44139-7-SK , , Done, Parasitic target thermal tests
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2021-03-30 7:48 Target loaded with parasitic target only. No container. Leaving under vacuum over night.
2021-03-31 13:43 Leak check performed. Water on. Need to vent system, electric connection disconnected.
2021-03-31 15:02 First test successfully finished. Venting to introduce container with radiating heating gun. |
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Sunday, March 28, 2021, 11:24, Marla Cervantes, , NA (Ta-tube), , Done, Re-coat 3
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Objective: Coating the inner surface of a tantalum tube to make a destructive test and use a reference for the tantalum boats coatings
Results: The tube was coated
Sunday, March 28, 2021, 11:23 |
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Friday, March 26, 2021, 16:23, Marla Cervantes, Empty, 44489-7, , Done, Re-coat 2
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Objective: Coating the inner surface of a tantalum tube to make a destructive test and use a reference for the tantalum boats coatings
Results:
Sunday, March 27, 2021, 11:23 |
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Friday, March 26, 2021, 13:58, Marla Cervantes, Empty, 44489-6, , Done, Re-coat 1
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Friday, March 26, 2021, 13:55
Yesterday a heat shield was installed in the EVAP2.
A 1mm thick rhenium wire was held within two copper brackets to pass through a Cu tube with the intention of coating its inside face. |
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Thursday, March 25, 2021, 11:24, Marla Cervantes, Empty, NA (Cu-Tube, , Done, Re-coat test 4
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Objective: Coating the inner surface of a short tantalum tube with rhenium.
Result:
The wire snnaped around 376 W (53 A, and 7.09 V) and 2170 °C (measured with filament pyrometer)
The tube is coated
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Thursday, March 25, 2021, 07:57, Aaron Schmidt, , , , , Re - Ta test. Leak check.
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Thursday, March 25, 2021, 07:55: Vacuum @ 5.12e-07T. Waterlines opened.
Thursday, March 25, 2021, 07:55: Vacuum @ 5.09e-07T. Stable.
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Tuesday, March 23, 2021, 11:28, Marla Cervantes, Empty, 44489-6, , Done, Re-coating test 3
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Objective: Coating the inner surface of a short tantalum boat with rhenium.
Result:
The wire snnaped around 376 W (53 A, and 7.09 V) and 2170 °C (measured with filament pyrometer)
The tube does not |
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Tuesday, March 23, 2021, 08:07, Aaron Schmidt, , , , , Re - Ta test. Leak check.
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Modified HS installed with new brackets as per Marla.
Tuesday, March 23, 2021, 08:02: Vacuum @ 3.64e-07T. Waterlines opened.
Tuesday, March 23, 2021, 08:06: Vacuum @ 3.60e-07T. Stable. |
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Tuesday, March 16, 2021, 08:29, Darwin Ortiz Rosales, TaC, , TARGET BOAT, Done, sintering of TaC on Caps and springs
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Tuesday, March 16, 2021, 08:28
Each endcap is separated with a disc of graphite foil and rolled into packs of 5 within a foil
envelope in a target boat. |
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Tuesday, March 09, 2021, 11:54, Darwin Ortiz Rosales, TaC, 42464-1, HP-FEBIAD, Done, TaC coating/sintering
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Tuesday, March 09, 2021, 11:54
Container coated with TaC and wrapped with 3 Ta heat shields.
Desired temperature= 1900 C, Omega Slope set = 0.990, Auto TGHT at 0.2A/min to reach 400A, TGHT |
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Friday, March 05, 2021, 10:48, Darwin Ortiz Rosales, TaC, 44691-1, LP-SIS, Done, TaC coating/sintering
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Friday, March 05, 2021, 10:47
Ta tube was coated with TaC and wrapped with Ta heat-shields (3 layers)
Initial weight including heat-shields = 431.0 g |
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Tuesday, March 02, 2021, 11:32, Darwin Ortiz Rosales, TaC, 44691-5, LP-SIS, Done, TaC coating/sintering
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Tuesday, March 02, 2021, 11:26
Ta tube was coated with TaC and wrapped with Ta heat-shields (3 layers)
Initial weight including heat-shields = 433.8 g |
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Monday, March 01, 2021, 13:58, Aaron Schmidt, , , , , Flex - line HS installed
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Flex-Line HS had been fully scrubbed out earlier. All gaskets replaced.
Empty. Quick check for leaks.
Monday, March 01, 2021, 13:57: Roughing. |
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Friday, February 26, 2021, 09:28, Ferran Boix Pamies, Empty, none, , Done, Parasitic target thermal tests
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Tests were performed with external power supply. No target boat or container.
Small power on heating small heating elements on parasitic target attached on isac heatshield with water cooling on.
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Tuesday, February 23, 2021, 08:59, Marla Cervantes, , NA (Cu-tube), , Done, Re coating Test 2
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Tuesday, February 23, 2021, 08:49
Yesterday a heat shield was washed and when dry it was installed in the EVAP2,
A 1mm thick rhenium wire was held within two copper brackets to pass through a Cu tube with the intention of coating its inside face |
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Saturday, February 13, 2021, 08:14, Darwin Ortiz Rosales, SiC, 41992-1, TARGET BOAT, Done, Sintering of SiC discs for SEM
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Saturday, February 13, 2021, 08:10
Ta boat loaded with 80 discs enclosed in graphite foil in pockets of 20. Sample A at both
ends and sample B in the middle spaced out. Boat wrapped in Ta heat-shields (3 layers). |
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Thursday, February 11, 2021, 10:57, Marla Cervantes, , NA, , Done, Re coating Test 1
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Thursday, February 10, 2021, 12:00
Objective: Heat a Re wire to evaporate it and deposit a layer of Re on the inner surface of a Ta tube.
A Re wire of 1mm diameter was clamped with Cu brackets in EVAP2, the wire is partially enclosed in a Ta tube. EVAP2 pumping down |
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