Wednesday, April 17, 2019, 09:03
An uncoated target container was loaded with a graphite insert and wrapped with 3 tantalum layers,
Two Ta caps were used
EVAP2 was pumped down, IGP1 = 5.14e-7 Torr
The TGHT and TBHT current was tapped to 40 A manually
Autoramp was set to TGHT 1A/min to 500 A
and TBHT 0.5A/min to 230 A.
The temperature reached 2000 C as planned
the target container stayed at that temperature for 1 week.
Tuesday, April 23, 2019, 10:00
EVAP2 was vented and the target container was removed.
The container crystalized but did not break. |