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Message ID: 1018     Entry time: Friday, August 09, 2024, 21:08
Author: Ferran Boix Pamies 
Target/No.#: Ta#67 Thin foils  
Source: LP-SIS 
Station: ITE 
Module: TM4 
Target Oven W.O#: 45447-14  
Heat Shield W.O#: 45235-10 
Status: In progress 
Subject: Ta#67 thin foil retesting 

Friday, August 09, 2024, 21:07 Insulators, retainer and Re foil have been replaced, source cup machined so the ion source does not short against it. Venting TS now.

Friday, August 09, 2024, 22:17 Roughing.

Friday, August 09, 2024, 22:35: TP1B on. - AS

Friday, August 09, 2024, 22:42: TP1A on. - AS.

Friday, August 09, 2024, 22:50: Both TP at speed. 2.65e-05T Vacuum. FS#5 open.

Friday, August 09, 2024, 22:52: PS on. - AS.


AS:

Saturday, August 10, 2024, 07:02: TGHT / TBHT @ 26 / 5 A. BIAS / EE / EZL @ 1 / -0.5 / 1 kV. TGHT tapped back down to 5 A. 

Saturday, August 10, 2024, 07:05: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per min.

Saturday, August 10, 2024, 07:27: Halt ramping @ 45 / 45 A. Set auto-ramping TGHT / TBHT to 500 / 230 @ 2 A per min. Optics are set.

Saturday, August 10, 2024, 09:59: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. TGHT / TBHT @ 321 / 230 & still ramping. One spark on tap up.

Saturday, August 10, 2024, 10:02: Small peaks on RPM0A & RPM0B. No signal on FC0. One spark*.

Saturday, August 10, 2024, 10:07: Spark* 

Saturday, August 10, 2024, 10:11: BIAS / EE / EZL @ 1 / -0.5 / 1 kV. TGHT / TBHT @ 344 / 230 & still ramping.

Saturday, August 10, 2024, 11:35: BIAS / EE / EZL @ 30 / -1.5 / 13 kV 

Saturday, August 10, 2024, 11:38: 1 spark* 

Saturday, August 10, 2024, 11:40: TGHT / TBHT @ 500 / 230 A. FC0 & wire scans produced signals / peaks. 

Saturday, August 10, 2024, 11:45: Starting mass scan. 

Saturday, August 10, 2024, 12:17: Mass scan taken. Wire scans on Mass 27 taken. Signals noted on mass 40 & 138 approx. Also of note. One large spark. Steerers reset. Signal on TGHT current.

https://isacwserv.triumf.ca/onlylocal/isactdata/save_restore/masscorr/2024_07_26_Ta_67_thinfoil_1st_massscan.txt

Saturday, August 10, 2024, 12:21: Begin HV Check.

Saturday, August 10, 2024, 12:24: BIAS / EE / EZL @ 35 / -1.8 / 15 kV.

Saturday, August 10, 2024, 12:28: BIAS / EE / EZL @ 40 / -2.0 / 17 kV.

Saturday, August 10, 2024, 12:44: Began sparking after 40. Brought back down 

Saturday, August 10, 2024, 12:56: HV @ 0 kV. 

Saturday, August 10, 2024, 13:05: BIAS / EE / EZL @ 30 / -1.5 / 13 kV 

Saturday, August 10, 2024, 13:07: BIAS / EE / EZL @ 35 / -1.8 / 15 kV 

Saturday, August 10, 2024, 13:10: BIAS / EE / EZL @ 40 / -2.0 / 17 kV.

Saturday, August 10, 2024, 13:24: Spark* reset optics. 

Saturday, August 10, 2024, 13:44: BIAS / EE / EZL @ 30 / -1.5 / 13 kV  

Saturday, August 10, 2024, 14:03: HV to 0 kV. 

Saturday, August 10, 2024, 14:12: Begin Auto-cooling @ 2 A per min. 


Monday, August 12, 2024, 05:43: Sources Off. IV4 Closed.

Monday, August 12, 2024, 05:45: IG1 & Chamber TP off. 

Monday, August 12, 2024, 07:46: TS Computer rebooted. IV4 reset. PS off. Venting.

Attachment 1: ITE-TM4-Ta#67-LP-SIS_Thin_Foil.docx  1.327 MB  Uploaded Saturday, August 10, 2024, 15:14
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