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Message ID: 996     Entry time: Friday, February 16, 2024, 10:30
Author: Aaron Schmidt 
Target/No.#: SiC# (Stock) 
Source: HP-FEBIAD 
Station:  
Module:  
Target Oven W.O#: 45447-4 
Heat Shield W.O#: 45235-21 
Status: In progress 
Subject: Conditioning stock SiC HP FEBIAD 

Friday, February 16, 2024, 10:30: Roughing

Friday, February 16, 2024, 17:38: TP1B on. 

Friday, February 16, 2024, 17:47: TP1A on. 

Friday, February 16, 2024, 17:55: IG1 on. New Coil PS was installed.


Tuesday, February 20, 2024, 07:51: Waterline FS#5 open.

Tuesday, February 20, 2024, 07:58: Cage closed. PS on.

Tuesday, February 20, 2024, 08:01: Check. TGHT / TBHT manually to 5 / 5 A. Coil & Anode not responding.

Tuesday, February 20, 2024, 09:40: Pressure gauge reconnected within cage. Gas lines purged, refilled with argon. SV5 closed.

Tuesday, February 20, 2024, 09:48: System check 2: TGHT / TBHT manually to 5 / 5 A. BIAS / EE / EZL to 1 / -0.5 / 1 kV. Anode to 50 V.

Coil set to 15 A, did not adjust.

Tuesday, February 20, 2024, 12:04: Coil PS SW1-7 switch in was in an "Off" position & wouldn't allow the voltage signal through to the PS. Switched to "on". Coil tapped to 7 A manually & back to 0 A ok.

Tuesday, February 20, 2024, 12:24: SV4 open. SV5 is closed. Cage is closed.

Tuesday, February 20, 2024, 12:26: All power & sources on.

Tuesday, February 20, 2024, 12:29: Optics on & set w/ updated tune.

Tuesday, February 20, 2024, 12:56: PS off to switch to Cathode BIAS mode.

Tuesday, February 20, 2024, 14:20: TS to wired to Cathode BIAS mode as per ISK4563D. Cage closed up. PS on.

Tuesday, February 20, 2024, 14:52: Anode/Cathode short. PS off & remove the cage again.

Tuesday, February 20, 2024, 15:20: IG1 off. Chamber TP off.


Wednesday, February 21, 2024, 07:30: Venting.

Wednesday, February 21, 2024, 08:32: Short found on waterlines (E) to (D)

Wednesday, February 21, 2024, 08:34: IG1 Bypass in effect.

Wednesday, February 21, 2024, 08:37: BIAS / EE / EZL to 1 / -0.5 / 0.5 kV. Note* If voltage is put on the EE before the BIAS, a small amount of voltage also goes to the BIAS. To keep an eye on. Back to 0 V.

Wednesday, February 21, 2024, 08:40: Coil to 5 A, Anode to 50 V. OK. Back to 0 A / V

Wednesday, February 21, 2024, 08:41: TGHT / TBHT both to 5 / 5 A ok. Back to 0 A. All checks ok.

Wednesday, February 21, 2024, 08:42: IG1 Bypass removed.

Wednesday, February 21, 2024, 09:14: TP1B on.

Wednesday, February 21, 2024, 09:22: TP1A on.

Wednesday, February 21, 2024, 09:31: IG1 on.

Wednesday, February 21, 2024, 14:00: HV & Coil checks. OK. IV4 open.


Thursday, February 22, 2024, 08:17: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, February 22, 2024, 08:23: BIAS / EE / EZL @ 40 / -2.0 / 17 kV.

Thursday, February 22, 2024, 08:26:  BIAS / EE / EZL @ 45 / -2.0 / 19 kV. 2 large sparks on the tap up.

Thursday, February 22, 2024, 08:42: BIAS / EE / EZL @ 47.5 / -2.0 / 22 kV. Small sparks on the tap up

Thursday, February 22, 2024, 09:00: BIAS / EE / EZL @ 50 / -2.0 / 25 kV. Sparks on the tap up.

Thursday, February 22, 2024, 09:10: One spark. Reset steering & optics.

Thursday, February 22, 2024, 09:17: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, February 22, 2024, 09:39: Coil @ 80 A. Tapped up manually at 4 A per min approx. Vacuum @ 5.13e-07.

Thursday, February 22, 2024, 12:06: Coil @ 0 A

Thursday, February 22, 2024, 12:10: Anode @ 100 V.

Thursday, February 22, 2024, 12:12: Anode @ 200 V.

Thursday, February 22, 2024, 12:16: Anode @ 500 V.

Thursday, February 22, 2024, 12:26: Anode @ 0 V.

Thursday, February 22, 2024, 12:38: BIAS / EE / EL @ 0 kV.

Thursday, February 22, 2024, 12:58: Auto-ramping TGHT / TBHT to 350 / 200 A @ 2 A per min. 

Thursday, February 22, 2024, 16:25: Vacuum @ 1.16e-06T. Auto-ramping TGHT / TBHT to 580 / 290 A @ 2 A per min. 

Thursday, February 22, 2024, 18:35: TGHT / TBHT @ 580 / 290 A. 

Thursday, February 22, 2024, 18:45: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. FC0 @ 100nA = 7.71e-09 

Thursday, February 22, 2024, 18:48: Anode @ 100 V. Coil to 10 A. FC0 @ 100nA = 6.82e-09 

Thursday, February 22, 2024, 19:00: FC0 is stuck!!!. However it is not releasing HPA? Confirmed by the MCR over MS teams video chat. IV4 Closed. (Angry tech noises)

Thursday, February 22, 2024, 19:02: BIAS/ EE / EZL @ 0 KV. Anode & Coil to 0. 

Thursday, February 22, 2024, 19:07: Auto-cooling @ 2 A per minute. 

Thursday, February 22, 2024, 19:08: Closed SV4 & SV5. 


Friday, March 08, 2024, 06:59: Issues with FC0 & RP2 resolved. Soft start on TP6 initiated.

Friday, March 08, 2024, 07:06: Gas lines filled with Argon.

Friday, March 08, 2024, 07:08: Auto-ramping TGHT / TBHT @ 2 A per min to 350 / 200 A

Friday, March 08, 2024, 07:32: TBHT @ 41 A. TGHT @ 0 A?

Friday, March 08, 2024, 07:35: TGHT PS was physically off (Why???). Turned on. Manually tapped up to 25 A. Ok. Auto-ramping TGHT / TBHT @ 2 A per min to 350 / 200 A.

Friday, March 08, 2024, 08:05: TP6 tripped. Half way spun up. Soft start restarted.

Friday, March 08, 2024, 08:47: TP6 at speed. TP2 on.

Friday, March 08, 2024, 08:52: IG6 on.

Friday, March 08, 2024, 09:05: Optics on. Quick checks on BIAS / EE / EZL, Cathode (Anode), & Coil OK. 

Friday, March 08, 2024, 09:33: IV4 open. 

Friday, March 08, 2024, 10:18: Vacuum @ 2.43e-07T. Halted auto-ramping. Increase. Auto-ramping TGHT / TBHT @ 2 A per min to 580 / 290 A.

Friday, March 08, 2024, 13:35: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. 

Friday, March 08, 2024, 15:59: Mass & wire scans complete. Appear the anode PS is likely positive. Auto-cooling @ 2 A per min.  

Friday, March 08, 2024, 16:04: HV off. Gases closed. 


Monday, March 11, 2024, 23:09: Auto-ramping TGHT / TBHT to 580 / 290 A @ 1 A per min. 


Tuesday, March 12, 2024, 09:45: Gas on.

Tuesday, March 12, 2024, 09:51: BIAS / EE / EZL @ 30 / -1.5 / 13

Tuesday, March 12, 2024, 10:36: Anode @ 100 V. Coil @ 20 A.

Tuesday, March 12, 2024, 11:19: Mass & Wire scans complete.

Tuesday, March 12, 2024, 13:51: EE at -2.5. mass scan

 Tuesday, March 12, 2024, 13:55: EE at -1.5. Coil at 0A. mass scan

Tuesday, March 12, 2024, 14:11: Coil at 20A, TSH:ANODE at  0V. mass scan 

Tuesday, March 12, 2024, 14:30: coil and anode on. gas turned off. 

Tuesday, March 12, 2024, 16:59: decreasing bias 

Tuesday, March 12, 2024, 17:07 decreasing TBHT TGHT to 0, 1A/s 

Attachment 1: Stock_SiC_Elog_996_HP-FEBIAD_Cathode_BM_-_HV_&_Coil.docx  684 kB  Uploaded Thursday, February 22, 2024, 12:40
Attachment 2: HP-FEBIAD_Elog_996_-_Ramp_up_&_mass_scans.docx  389 kB  Uploaded Thursday, February 29, 2024, 13:49
Attachment 3: Stock_SiC_Elog_996_HP-FEBIAD_Cathode_BIAS_mode_-_2.docx  1.078 MB  Uploaded Wednesday, March 13, 2024, 11:28
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