Ta#(Spare) 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 = 12.515 g/cm3
Target length = 4.97 cm
Total Mass = 62.202 g [Incl foils + Ta wire on 6 packs]
Total mass w/ Target oven = 461g (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
Was labelled Ta#67 until the Thin foil target 45447-14 became so.
Thursday, October 05, 2023, 12:44: Roughing.
Thursday, October 05, 2023, 13:10; TP1 on.
Thursday, October 05, 2023, 13:11: TGHT / TBHT test. Tap up to 5 / 5 A & back to 0 A. Ok.
Thursday, October 05, 2023, 13:13: Slope Set @ 0.98
Friday, October 06, 2023, 05:54: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.
Friday, October 06, 2023, 11:50: TGHT / TBHT @ 580 / 230 A (568 / 233 A). Auto-ramping TGHT to 630 A @ 2 A per min (640 A w/ offset). Temperature @ 1716 C. Vacuum @ 2.76e-06T.
Friday, October 06, 2023, 12:20: TGHT / TBHT @ 630 / 230 A (618 / 233 A). Auto-ramping TGHT to 650 A @ 2 A per min (640 A w/ offset). Temperature @ 1809 C. Vacuum @ 3.77e-06T.
Friday, October 06, 2023, 12:37: TGHT / TBHT @ 650 / 230 A (638 / 233 A). Auto-ramping TGHT to 665 A @ 2 A per min (650 A w/ offset). Temperature @ 1844 C.
Friday, October 06, 2023, 12:53: Tapped up to TGHT / TBHT @ 670/ 230 A (657 / 233 A). Temperature @ 1880 C. Vacuum @ 4.94e-06T.
Friday, October 06, 2023, 12:57: Tapped TGHT to 675. TGHT / TBHT @ 675 / 230 A (662 / 233 A). Temperature @ 1889 C. Vacuum @ 5.03e-06T.
Friday, October 06, 2023, 13:00: Tapped TGHT to 682. TGHT / TBHT @ 682 / 230 A (669 / 233 A). Temperature @ 1901 C. Vacuum @ 5.46e-06T. Desired Temperature reached.
Friday, October 06, 2023, 13:01: Auto-cooling @ 2 A per min.
Tuesday, October 10, 2023, 08:37: PS & TP off. |