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OMC elog |
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Mon Jul 18 14:20:09 2022, Koji, General, General, OMC #002 Plan Portal
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Tue Jul 19 03:17:56 2022, Koji, General, General, OMC #002 Power Budget before mirror cleaning
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Thu Jul 21 02:55:06 2022, Koji, General, General, OMC #002 Power Budget after mirror cleaning
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Thu Jul 21 14:35:35 2022, Koji, General, General, Bond reinforcement blocks for the invar brackets 
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Thu Jul 21 14:55:48 2022, Koji, General, General, Optics bonding for the backscatter measurement
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Thu Jul 21 17:47:00 2022, Koji, General, General, The profile of the beam incident on the fiber input coupler
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Fri Jul 22 00:31:17 2022, Koji, General, General, OMC #002 backscatter measurement
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Fri Jul 22 17:47:38 2022, Koji, General, General, C&B request for the reinforcement blocks
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Tue Jul 26 00:12:58 2022, Koji, General, General, High QE PD: QE measurements
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Wed Jul 27 10:34:09 2022, Koji, General, General, High QE PD: QE measurements 2 
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Wed Jul 27 10:09:51 2022, Koji, General, General, 4+4 wire clamp in hand
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Wed Jul 27 10:34:30 2022, Koji, General, General, OMC #002 Protective FirstContact Paint
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Wed Jul 27 23:52:18 2022, Koji, General, General, OMC #002 Cable bracket replacement (1)    
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Thu Jul 28 00:28:15 2022, Koji, General, General, OMC #002 Cable bracket replacement (2)  
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Thu Jul 28 00:46:47 2022, Koji, General, General, Subject: OMC #002 Cable bracket replacement (3)  
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Wed Aug 10 18:42:27 2022, Koji, General, General, OMC #002 Cable bracket replacement (4)  
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Thu Aug 11 15:24:57 2022, Koji, General, General, OMC #002 Cable bracket replacement (5)
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Mon Aug 15 21:31:56 2022, Koji, General, General, OMC #002 Cable bracket replacement (6)  
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Mon Aug 15 22:06:18 2022, Koji, General, General, OMC #002 new cable tie installed 
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Mon Aug 15 22:43:35 2022, Koji, General, General, OMC #002 Delamination repair Part1 (1) 
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Mon Aug 15 22:49:03 2022, Koji, General, General, OMC #002 Delamination repair Part1 (2) 7x
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Wed Aug 24 02:51:23 2022, Koji, General, General, OMC #002 Delamination repair Part1 (3) 8x
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Wed Aug 24 02:53:46 2022, Koji, General, General, OMC #002 Delamination repair Part2 (1)    
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Wed Aug 24 03:20:59 2022, Koji, General, General, OMC #002 Delamination repair Part2 (2) 11x
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Wed Aug 24 03:26:43 2022, Koji, General, General, OMC #002 Delamination repair Part2 (3) 8x
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Wed Aug 24 02:57:43 2022, Koji, General, General, EP30-2 bonding setup  
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Wed Aug 24 11:29:47 2022, Koji, General, General, OMC #002 ready for shipment    
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Thu Aug 25 14:22:08 2022, Koji, General, General, LLO OMC #001 Ballast Mass investigation    
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Thu Aug 25 20:05:00 2022, Koji, General, General, LLO OMC #001 Ballast Mass investigation
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Fri Aug 26 22:29:02 2022, Koji, General, General, Tool Shipping Prep  
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Message ID: 439
Entry time: Mon Aug 15 22:49:03 2022
In reply to: 438
Reply to this: 440
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Author: |
Koji |
Type: |
General |
Category: |
General |
Subject: |
OMC #002 Delamination repair Part1 (2) |
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EP30-2 preparation
- Two Al foil cups + A sheet of Al foil (for test cure)
- Set a tube on the glue gun
- Attach an applicator tube
- Push a couple of times, and dispense the glue for a single stroke on a waste Al cup
- Pour the 6g of glue to the other cup.
- Add 0.3g of silica beads powder to the cup
- Steer. Pick a few drops to the test cure Al foil
- Bake the test piece for 15min in 200F (95degC) ==> Very good
#1 The Invar bar on the cable bracket (DCPD side)
Added short (frosted) Al bars (Attachment 1) to the short sides of the invar bar. (Attachments 2/3). Some glue was sucked into the delamination gap by capillary action (=good) (Attachment 4)
#2 The Invar bar on the cable bracket (QPD side)
Added short (frosted) Al bars to the short sides of the invar bar. (Attachments 3/5). Maybe some glue was sucked into the delamination gap??? Not so clear. (Attachment 4)
#3 The Invar bar reinforced in 2016
Added a short (frosted) Al bars to a short side of the invar bar (Attachment 6). On both sides of the 2016 reinforcement, rectangular prisms are added (Attachment 6)
Some capillary action is visible beneath the invar bar (Attachment 7)
Leave it as it is for a day
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