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detectors:csi_repair [2013/11/21 10:39]
manfredi
detectors:csi_repair [2014/04/29 14:55] (current)
manfredi
Line 5: Line 5:
        * 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)
   - Document damage (depth on front surface) **(56 out of 56)**   - Document damage (depth on front surface) **(56 out of 56)**
-  - Detach photodiodes from each crystal (leave light guides on for now) **(out of 56)** (11/27+  - Detach photodiodes from each crystal (leave light guides on for now) **(56 out of 56)** (12/19) 
-  - Sand sides of each crystal **(out of 56)** +  - Remove remaining filter paper and light guide paint **(56 out of 56)** (12/19) 
-  - Design and assemble lapping setup **(work order submitted)** (12/15+  - MAchine crystals at WashU **(56 out of 56)** (1/18) 
-       Motion control + support +       * Driven down/back 
-       Coarse vertical motion +  - Sand sides of each crystal **(56 out of 56)** (3/14) 
-       CsI holder that attaches to motion control +  - Design and assemble lapping setup (4/14
-       * Sandpaper (ordered) (11/18) +       Setup machined with some problems 
-  - Practice lapping with beam blocker (12/22)+           Lapping machine doesn't fit (FIXED) 
 +           Fast sliders wobbly 
 +       * Sandpaper (delivered) (11/18
 +       * Order stoppers (04/25) 
 +           * Spacer (04/28) 
 +  - Clean photodiodes, reattach to light guides 
 +  - Reglue uncoupled light guides 
 +      - more RTV615 needed 
 +  - Practice lapping with worst crystals (4/21) 
 +      - 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 (??)
detectors/csi_repair.1385048381.txt.gz · Last modified: 2013/11/21 10:39 by manfredi