06 – rsh packaging overview
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November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz1
DLR
06 – RSH Packaging OverviewLars Seimetz, CAU, Kiel, Germany
RSH Packaging Peer Review
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz2
DLR
Content
•Location/ Requirements•Packaging Concept•Mechanical Overview•Package List
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz3
DLR
Location of RSH
•Inside MSL Rover, near Mastcam.
•Vertical Mount
•RSH Top Window ~5mm below RAD Rover Window
•Radiation of RTGs expected to be seen in RADs measurements
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz4
DLR
Requirements due to ERD (Rev.1, 4/15/2005) and Thermal Models by K.Smith (SwRI)Thermal:
Cold/Hot Op.: -42°C/52°C (Status PDR) Cold/Hot Qual.: -56°C/72°C (Status PDR)
Vibration: Acc. to ERD 4.12.2.1 (Quasi-Static Structural Design Loads) ff Pressure Change Rates: ERD 4.7.2 ff
HumidityEarth Athmosphere, 1013mbar, ~30..70%rHCO2 Athmosphere, 6mbar, ~0%rH
Requirements
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz5
DLR
Packaging Concept
•RSH as a stand-alone Module (Testing, Calibration)•Spring Loaded Design (Thermal Range, Thermal Expansion and Launch Loads)•Self-Contained Packages
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz6
DLR
Mech. Overview/
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz7
DLR
Packages
Detector-Stack A, Step 0.8
•PIN-Detector A•Analogue EBoard A with Omnetics „Bi-Lobe“ Connector (MNS0-25-VV-M-ETH)
•Materials:•Aluminium 3.4365(EN AW-7075) •Compliant Spacers, Material-Selection still ongoing (Kel-F, Vespel,…)•Screw Locking: Staking-Material (Urylene, Solithane)
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz8
DLR
Packages
Detector-Stack BC + Anticoincidence (Step 2)
PIN-Diode B + C (Step 0.9)Analogue EBoard BC with Omnetics „Bi-Lobe“ Connector (MNS0-25-VV-M-ETH) Materials:
Aluminium 3.4365(EN AW-7075)
Compliant Spacers, Material-Selection still ongoing (Kel-F, Vespel,…)
Screw Locking: Staking-Material (Urylene, S..)
Top/ Bottom Anticoincidence Material BC432m (St. Gobain), Material currently validatedGlue: Dow Corning 93-500
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz9
DLR
Packages
Anticoincidence Spring-Package
•12 OTS Coil Springs (Gutekunst) •Stainless Steel (1.4310, AISI 301)
•Preload : ~19 N/Spring = 228 N Total (Vibration-Mockup)
•Baseline 60‘s according to MAC from ERD
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz10
DLR
Packages
CsI-Crystal (D-Detector)-Package (Step 1)
•Doted with Thallium mainly for better light output•Accomodates
–3 x PIN-Diodes (D-Detector)–3 x CSA–Interconnection (PIN/CSA) through Flexstrips
•CSAs–6 AWG 32 Teflon-Wires–1 Coax-Cables (AWG 34, Teflon)–Optimized EEE-Parts Location
•Neutron Detector–35 g BC432m–Analogue Board under NC
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz11
DLR
Packages
CsI-Spring-Package
•6 OTS Coil Springs (Gutekunst)
•Stainless Steel (1.4310, AISI 310)
•(Preload : ~30 N/Spring = ~180 N Total)
•Baseline: 60‘s according to MAC from ERD
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz12
DLR
Packages
RSH Interconnection
•Rigid-Flexboard•Manufacturer: „Brockstedt GmbH“•Separate Traces to
–Analogue Board A–Analogue Board B/C–Analogue Board F
•Connector Types: Omnetics „Bi-Lobe“•Glenair MDM 51
•Material:•Layer Composition:
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz13
DLR
Packages
Housing
•Consisting of 4 parts•Manufacture In-House•Material Magnesium
–Alloy ZK60, (AZ80)•Total Mass 107g•Average Wall Thickness 1mm•Light Tightness•Venting through Connector Compartment•Purging •Protection Film on top.
November 30 – December 1, 2006
RSH Packaging Peer Review
RAD – The Radiation Assessment Detector for MSL
Seimetz14
DLR
Packages
Protection Foil
•~5mm below Rover Window
•Lighttight Kapton Foil, Material Decision ongoing
•Determination of necessary thickness ongoing (“Pressure Change Rates” – ERD)
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