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All heaters are from batch "19-0 stave singlets" (see Heaters.xlsx). Heaters were selected to fit together. Heater soldering information is available here: Dummy Heaters#SolderingProcedures. Please see the PDF attached to that page. 

Fully loaded stave,  

Module positions: We number the modules 1-9 from left to right in this image 

Observations, properties, and measurements by loaded position 

Stave position123456789
Loading date

 

 

Configuration12
Syringe ID2021-A-24

2021-A-252021-A-262021-A-27
Loading position C1 S1C1 S2C1 S3C1 S4C1 S5C2 S2C2 S3C2 S4C2 S5
Heater ID#11#13#6#19#1Spare #4Spare #3

#15

#12
PropertiesC1 S1 (#11)C1 S2 (#13)C1 S3 (#6)C1 S4 (#19)C1 S5 (#1)C2 S2 (Spare #4)C2 S3 (Spare #3)C2 S4 (#15)C2 S5 (#12)
Carton ID22111

22
Heater ID in carton46791

89
Length (mm)21.2621.2621.321.321.2721.3321.3621.3921.27
Width (mm)20.4820.4820.4720.5420.520.5120.520.4820.45
Thickness (mm)0.260.26

0.26

0.30.260.30.30.260.26

Mass before soldering (g)

0.30.30.30.30.30.30.30.30.3
Mass after soldering (g)0.60.60.50.60.60.60.60.70.7

Resistance (Ω)  

1.81.92.02.02.11.91.92.01.9

Resistance (Ω)  

2.11.92.22.01.91.91.92.02.0

Resistance (Ω) (loaded heater, top left to bottom right)  

2.42.02.02.01.91.91.92.11.9

Resistance (Ω) (loaded heater, top right to bottom left)  

2.12.01.92.11.91.92.02.01.9
Visual inspection C1 S1 (#11)C1 S2 (#13)C1 S3 (#6)C1 S4 (#19)C1 S5 (#1)C2 S2 (Spare #4)C2 S3 (Spare #3)C2 S4 (#15)C2 S5 (#12)
Before IPA wash

  • ethanol wash! 







After IPA wash

  • ethanol wash! 

Wires too sensitive for more cleaning


Pre-loading checksC1 S1 (#11)C1 S2 (#13)C1 S3 (#6)C1 S4 (#19)C1 S5 (#1)C2 S2 (Spare #4)C2 S3 (Spare #3)C2 S4 (#15)C2 S5 (#12)
Expected glue layer thickness (μm)100-200100-200~200? Higher? 100-200100-200100-200100-200100-200100-200
Dispensing & MountingC1 S1 (#11)C1 S2 (#13)C1 S3 (#6)C1 S4 (#19)C1 S5 (#1)C2 S2 (Spare #4)C2 S3 (Spare #3)C2 S4 (#15)C2 S5 (#12)
Dispense time11:59 AM12:27 PM12:54 PM3:21 PM3:48 PM12:33 PM12:58 PM2:54 PM3:20 PM
Mount timeNoon, 12:00 PM 12:28 PM12:55 PM3:23 PM3:49 PM12:34 PM12:59 PM2:55 PM3:21 PM
Estimated glue mass per star (mg)77.573.375.37673.577.47674.774.8
Averaged mass tests #6-9#10-16#19-21#4-6#9-14#3-7#9-14#1-6#7-12
Time elapsed since syringe fully thawed (minutes)75103130396646712349
Hold time (minutes)20 209520Overnight209920Overnight
Comments

Stave moved so there is a large gap between C1 S2 and C1 S3. S3 also seems to be very high (probably glue was too old)In contact with C1 S3? 

Bottom corner of C2 S3 may have contacted C2 S2

Clean landing








Loading experience 

DatePersonnelSyringe IDModulesPhotosRecords

 

Josh (loader), Hannah (robot operation)

2021-A-24

2021-A-25

All configuration 1 https://photos.app.goo.gl/5Shzj4EU5zfVos8M8

 

Josh (loader), Hannah (robot operation)

2021-A-26

2021-A-27

All configuration 2https://photos.app.goo.gl/rSAu5qn5jbhXpMFN7

 

Inspecting the loaded stave

https://photos.app.goo.gl/bU55sQPxWB8Gz5DPA

 

Preparing the stave for testing

https://photos.app.goo.gl/fRg8cn8186zqXjuR9





















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