LIGO Document D1002602-v5

aLIGO ISC InGaAs-Q3000 QPD Flexible Circuit Board

Document #:
Document type:
D - Drawings
Other Versions:
14 Jan 2011, 14:07
Flexible Kapton circuit board used in the aLIGO quadrant photo-detector (QPD) design.
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Notes and Changes:
The version 5 board has the following changes:
1. Thicker (20 mil vs 5 mil) flexible circuit board
2. Suction diode connection has been removed
3. Enhanced the fillets going to each pin to increase the durability of the connections. Previous version took a beating in the clean and bake.

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