Difference between revisions of "Module fabrication"
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* Checking crystals | * Checking crystals | ||
− | ::: Visual inspection: 5 min per crystal | + | ::: -Visual inspection: 5 min per crystal |
− | ::: Dimension measurement: 10 min per crystal | + | ::: -Dimension measurement: 10 min per crystal |
− | ::: Transmission check: 20 min per crystal (Optional) | + | ::: -Transmission check: 20 min per crystal (Optional) |
− | ::: Measure light yield using radioactive source: 20 min per crystal (Optional) | + | ::: -Measure light yield using radioactive source: 20 min per crystal (Optional) |
− | ::: Measure light yield using PS setup: 12 modules in the PS setup. | + | ::: -Measure light yield using PS setup: 12 modules in the PS setup. |
− | * PMT checking | + | * PMT checking |
− | ::: Diameter check | + | ::: -Diameter check |
+ | |||
+ | * Check PMT divider | ||
+ | ::: -Time: 15 min per divider (10 weeks to check 1600 dividers) | ||
+ | ::: -University of Regina, GWU, UNCW | ||
Revision as of 13:23, 22 April 2021
- Checking crystals
- -Visual inspection: 5 min per crystal
- -Dimension measurement: 10 min per crystal
- -Transmission check: 20 min per crystal (Optional)
- -Measure light yield using radioactive source: 20 min per crystal (Optional)
- -Measure light yield using PS setup: 12 modules in the PS setup.
- PMT checking
- -Diameter check
- Check PMT divider
- -Time: 15 min per divider (10 weeks to check 1600 dividers)
- -University of Regina, GWU, UNCW
- Preparation of silicon cookie
- - Mix RTV625, remove bubbles
- - Pour to the gluing fixture (prepare 36 cookies can order one more fixture)
- - Set time: 1 day, full cure time: 4 - 5 days
- - Time: 3 - 4 hours to load the fixture
Module Fabrication
- Brazing straps
- Time per module: 20 min
- ESR shaping
- - ESR cutting
- - Shape in the oven (2 tools exist, 20 min per cycle]
- - Time per module: 20 min
- Glue light guide to the PMT using UV glue
- - Time per module: 10 min
- Crystal wrapping
- - Cut ESR and Tedlar
- - Wrap module
- - Time per module: 20 min
- Module fabrication
- - Insert mu-metal shield
- - Attach PMT housing, set tension screws
- - Insert PMT with silicon cookies, set tension plate
- - Time per module: 30 min
- Total fabrication time: 1 hour 40 min per module
- (~5 modules a day, 100 modules a month)
- Total fabrication time: 1 hour 40 min per module