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PLATO Focal Plane Assemblies (FPA) Roser Urquí Centro de Astrobiología (CSIC-INTA)
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PLATO Kick off meeting November 2010Roser Urqui2 FPA design present status FPA development planning Drivers: High rigidity and mechanical stability Low mass (32+2 units are needed!) CCD temperature <-70 C, with passive cooling PLATO Focal Plane Assemblies (FPA)
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PLATO Kick off meeting November 2010 A preliminary design has been produced Design is mainly driven by interface constraints and budgets Design refinement still on-going CCD (4x) Thermal Strap (4x) Flexi (4x) Support Ring Mask Baseplate Thermal Strap Clamp (4x) FPA design 3Roser Urqui
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PLATO Kick off meeting November 2010 FPA design 4Roser Urqui FPA TOU
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PLATO Kick off meeting November 2010 FPA design 5Roser Urqui CCDs (detector side, 4x) Thermal Straps (4x) Support Ring Mask
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PLATO Kick off meeting November 2010 FPA design 6Roser Urqui Baseplate Thermal Strap Clamps (4x) CCD packages back side (4x)
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PLATO Kick off meeting November 2010 FPA design 7Roser Urqui Support Ring Flexies (4x)
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PLATO Kick off meeting November 2010 Current design is close to fulfill all requirements –First eigenfrequency 255 Hz (> 300 Hz) Margin still available to increase the frequency. –Mass (including 4xCCDs - 180g each) 1.49 Kg(< 1.6 Kg) If CCDs mass ~ 225 g, ~1.69 Kg –CCD Temperature <-73 ºC(<-70 ºC) –Only NORMAL FPAs considered up to now. Interfaces –CCD-FPA Interface has already been agreed –FPA-TOU I/F still open Current interface would impose a weird design. Trade off in progress. FPA status 8Roser Urqui
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PLATO Kick off meeting November 2010Roser Urqui9 Next steps Design Refinement until late November –Further Mass reduction –Adapt to updated Requirements and Interfaces Mock-Up Start of Manufacturing mid December –After CDR/MRR Mock-Up Delivery mid March No delays are foreseen
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