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--- detectors:csi_repair [2013/12/12 14:24]
manfredi
+++ detectors:csi_repair [2014/04/29 14:55] (current)
manfredi
@@ Line 7: / Line 7: @@
   - 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)**
-  - Detach photodiodes from each crystal (leave light guides on for now) **(56 out of 56)** (12/27)
+  - 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 **(20 out of 56)** (12/12)
+  - Remove remaining filter paper and light guide paint **(56 out of 56)** (12/19)
-  - Sand sides of each crystal **(0 out of 56)** (12/12)
+  - MAchine crystals at WashU **(56 out of 56)** (1/18)
-  - Ship crystals to WashU **(2 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)
-  - 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 (??)

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