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15 July 2008 MIXS focal plane assembly
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Abstract
This paper describes the conceptual thermo-mechanical design of the MIXS (Mercury Imaging X-ray Spectrometer) Focal Plane Assembly (FPA). This design is mainly driven by thermal requirements: The Detector is required to operate below -45 ºC, while the Detector and proximity electronics dissipate more than 2 W, which the passive cooling system can not handle at the required temperature. In order to get rid of this cross-constraint, the Detector was separated from the Proximity electronics board, which in turn has introduced a new dimension of mechanical requirements, as the 370+ bond wires that interconnect both are extremely delicate and have a high thermal conductivity.
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José Luis San Juan, Javier Serrano, J. Miguel Mas-Hesse, Johannes Treis, Chris Whitford, Tim Stevenson, Enrique Pedrosa, Javier Moreno R, Germán Peso, Javier Moreno F, and María Lecina "MIXS focal plane assembly", Proc. SPIE 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray, 70112S (15 July 2008); https://doi.org/10.1117/12.789006
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