2023/03/13 (Monday)
* Lab in-personnel: Himangshu
| 1511 | Checking SQUETS from Run 76: SQUET 70, 39 and 13. Issues during the Run: 4 phonon channels cannot be unrailed in Side 1. At 13K electrical check, the following was found which explains the problem. |
|---|---|
| Cable2 SQUID_A reads open. Cable 2 → Stripline 41 → ZC 70 | |
| Cable1 SQUID_C and SQUID_D read open. Cable 1 → Stripline 48 → ZC 39 | |
| Cable3 SQUID_C and Feedback_C read open. Cable 3 → Stripline 43 → ZC 13 | |
| 1610 | The above connections are still open and donot seem to response to little twist to the pins which indicate loose connection. |
| 1640 | Start pumping out IVC with Scroll pump. Switch over to pumping the CVJ. Then, start pumping on both. After the pressure is below 1e-1 mbar, use the turbo to pump further down. |
| 1700 | Close helium recovery valve to main bath, open stopper on main bath to check pressure, there is none. |