Nb#10 LP-IG-LIS target description:

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

Foil Thickness = 0.025mm (0.001")

Target density =  7.36 g/cm3

Target length = 3.5 cm

Total Mass = 25.7576 g [Incl foils + Ta wire on 6 packs]

Total mass w/ Target oven=  438 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

Wednesday, June 21, 2023, 10:37: Roughing.

Wednesday, June 21, 2023, 13:39: TP1 on. 

Wednesday, June 21, 2023, 13:55: TGHT / TBHT PS on. Vacuum @ 3.35e-05T

Thursday, June 22, 2023, 13:16: TGHT / TBHT Manually set to 5 / 5 A. Vacuum @ 8.17e-07T.

Final desired temperature = 1900C.

Thursday, June 22, 2023, 13:49: OMEGA slope = 0.98.

Friday, June 23, 2023, 06:24: Auto-ramping TGHT / TBHT to 580 / 230 @ 2 A per min. 

Friday, June 23, 2023, 12:11: TGHT / TBHT @ 580 / 230 A (568 / 233 A). Auto-ramping TGHT to 610 A @ 2 A per min (600 A w/ offset). Temperature @ 1697 C. Vacuum @ 3.38e-06T.

Friday, June 23, 2023, 12:32: TGHT / TBHT @ 610 / 230 A (600 / 233 A). Auto-ramping TGHT to 630 A @ 2 A per min (620 A w/ offset). Temperature @ 1748 C. Vacuum @ 4.61e-06T.

Friday, June 23, 2023, 12:44: TGHT / TBHT @ 630 / 230 A (617 / 233 A). Auto-ramping TGHT to 650 A @ 2 A per min (640 A w/ offset). Temperature @ 1790 C. Vacuum @ 5.74e-06T.

Friday, June 23, 2023, 13:07: TGHT / TBHT @ 650 / 230 A (638 / 233 A). Auto-ramping TGHT to 670 A @ 2 A per min (660 A w/ offset). Temperature @ 1825 C. Vacuum @ 5.90e-06T.

Friday, June 23, 2023, 13:22: TGHT / TBHT @ 670 / 230 A (658 / 233 A). Auto-ramping TGHT to 680 A @ 2 A per min (668 A w/ offset). Temperature @ 1858 C. Vacuum @ 6.75e-06T. 

Friday, June 23, 2023, 13:29: TGHT / TBHT @ 680 / 230 A (667 / 233 A). Auto-ramping TGHT to 690 A @ 2 A per min (677 A w/ offset). Temperature @ 1877 C. Vacuum @ 6.99e-06T. 

Friday, June 23, 2023, 13:37: Manually tap up to temperature. 

Friday, June 23, 2023, 13:38: Vacuum @ 7.54e-06T. TGHT /  TBHT @ 694 / 230 A (680.5 / 233 A direct w/ offset). Temperature @ 1901-1902 C. Desired Temperature Reached.

Friday, June 23, 2023, 13:42: Auto-cooling @ 2 A per min.