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detectors:csi_repair [2013/12/19 14:20]
manfredi
detectors:csi_repair [2014/04/29 14:55] (current)
manfredi
Line 8: Line 8:
   - 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) **(56 out of 56)** (12/19)   - Detach photodiodes from each crystal (leave light guides on for now) **(56 out of 56)** (12/19)
-  - Remove remaining filter paper and light guide paint **(50 out of 56)** (12/19) +  - Remove remaining filter paper and light guide paint **(56 out of 56)** (12/19) 
-  - Sand sides of each crystal **(out of 56)**  +  - MAchine crystals at WashU **(56 out of 56)** (1/18) 
-  - Ship crystals to WashU **(out of 56)** (12/12+       * Driven down/back 
-  - Design and assemble lapping setup **(work order approved)** (1/1+  - Sand sides of each crystal **(56 out of 56)** (3/14
-       Motion control + support +  - Design and assemble lapping setup (4/14
-       Coarse vertical motion +       Setup machined with some problems 
-       CsI holder that attaches to motion control+           Lapping machine doesn't fit (FIXED) 
 +           Fast sliders wobbly
        * Sandpaper (delivered) (11/18)        * Sandpaper (delivered) (11/18)
-  - Practice lapping with beam blocker (?)+       * 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.1387480805.txt.gz · Last modified: 2013/12/19 14:20 by manfredi