Thursday, March 30, 2023, 12:27: 

Ta#65 LP-SIS target description: 

Total Ta foils = 470 [6x20 packs + 350 single discs]

Foil Thickness = 0.033mm (0.0013") avg Measured. 

Target material batch: Ta 2023-1  Mt'l PO# TR-2022-03028

Target density = 18.2685 g/cm3

Target length = 3.40 cm

Total Mass = 62.113 g [Incl foils + Ta wire on 6 packs]

Total mass w/ Target oven= 460.8 g (w/ end caps)

Discs in target are arranged as follows: 1pack / 75 singles / 1pack / 100 singles / 2packs / 100 singles / 1pack / 75 singles / 1pack

Dimpling direction on foils/ Packs.                                                               --> Center <--

End caps installed (Not expanded). No Ta foil heat shield added

Tuesday, May 16, 2023, 10:44: End cap removed post conditioning to remove the rhenium foil. End cap replaced, & weight updated. Length remains the same.

Final desired temperature = 1900C.

Thursday, March 30, 2023, 12:41: RP on. 

Thursday, March 30, 2023, 12:42: Roughing 

Thursday, March 30, 2023, 12:44: OMEGA slope = 0.98. 

Thursday, March 30, 2023, 12:59: TP1 on. 

Thursday, March 30, 2023, 13:00: TP1 off.

Thursday, March 30, 2023, 13:03: Venting. (Steel pair of shields req'd - Install)

Thursday, March 30, 2023, 13:05: Roughing.

Thursday, March 30, 2023, 13:20: TP1 on. 

Thursday, March 30, 2023, 13:29: TP1 trip @ 38 krpm. Quick Reset. Fully "green". OK.

Thursday, March 30, 2023, 13:31: Vacuum @ 5.84e-05T. TGHT / TBHT PS on.

Thursday, March 30, 2023, 13:32: Operation Check. TGHT / TBHT tapped up to 5 / 5 A. Ok. Back to 0A. 

Friday, March 31, 2023, 06:32: Auto-ramping TGHT / TBHT to 500 / 200 A @ 2 A per minute. Vacuum @ 6.52e-07T.

Friday, March 31, 2023, 12:08: TGHT / TBHT @ 500 / 200 A. Vacuum @ 2.24e-06T. Temperature @ 1575 C. Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min

Friday, March 31, 2023, 13:05: TGHT / TBHT @ 580 / 230 A. Vacuum @ 3.69e-06T. Temperature @ 1748 C. Auto-ramping TGHT to 600 @ 2 A per min

Friday, March 31, 2023, 13:27: TGHT / TBHT @ 600 / 230 A. Vacuum @ 3.83e-06T. Temperature @ 1790 C. Auto-ramping TGHT to 620 @ 2 A per min

Friday, March 31, 2023, 13:42: TGHT / TBHT @ 620 / 230 A. Vacuum @ 4.34e-06T. Temperature @ 1820 C. Auto-ramping TGHT to 640 @ 2 A per min    

Friday, March 31, 2023, 13:51: TGHT / TBHT @ 640 / 230 A. Vacuum @ 5.51e-06T. Temperature @ 1858 C. Tap up TGHT to 650 A

Friday, March 31, 2023, 13:54: Vacuum @ 6.03e-06T. Temp @ 1902 C. Tapped up TGHT to 660 manually. Desired temperature reached. 

Friday, March 31, 2023, 13:57: Auto-cooling @ 2 A per minute.

Friday, March 31, 2023, 17:31:

Monday, April 03, 2023, 07:35: PS off. TP off.