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detectors:csi_repair [2013/11/14 10:48] manfredi |
detectors:csi_repair [2014/04/29 14:55] (current) manfredi |
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CsI Water Damage Repair: | CsI Water Damage Repair: | ||
- | - Remove CsI crystals **(44 out of 56)** (11/15) | + | - Remove CsI crystals **(56 out of 56)** (11/15) |
* Dismantle telescopes | * Dismantle telescopes | ||
* Store E, dE detectors | * Store E, dE detectors | ||
* Unwrap CsI bundles | * Unwrap CsI bundles | ||
- | - Remove as much filter paper as possible from CsI (using ethanol and plastic scraper) **(44 out of 56)** (11/20) | + | - Remove as much filter paper as possible from CsI (using ethanol and plastic scraper) **(56 out of 56)** (11/20) |
- | - Detach light guide (or photodiode?) from each crystal (in refrigerator? | + | - Document damage |
- | - Design | + | - Detach photodiodes |
- | | + | - Remove remaining filter paper and light guide paint **(56 out of 56)** (12/19) |
- | | + | - MAchine crystals at WashU **(56 out of 56)** (1/18) |
- | | + | |
- | * Sandpaper (ordered) (11/18) | + | - Sand sides of each crystal **(56 out of 56)** (3/14) |
- | - Practice lapping with beam blocker | + | - Design and assemble lapping setup (4/14) |
+ | | ||
+ | * Lapping machine doesn' | ||
+ | * Fast sliders wobbly | ||
+ | * Sandpaper (delivered) (11/18) | ||
+ | * Order stoppers (04/25) | ||
+ | * Spacer (04/28) | ||
+ | - Clean photodiodes, | ||
+ | - Reglue uncoupled light guides | ||
+ | - more RTV615 needed | ||
+ | - Practice lapping with worst crystals | ||
+ | - First practice with plastic crystal (04/29) | ||
+ | - Lap crystals until surface clean (4/28) | ||
+ | - Polish, rewrap, assemble bundles (5/14) | ||
+ | - Test individual crystals in dark box (check leakage current) | ||
+ | - Reassemble telescopes (??) |