Tab 04 SOW.pdf
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- 80NSSC25907275Q
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This Statement of Work (SOW) details NASA's requirement for a Variable-Energy Ion Source to be integrated into the Space Instruments Development Lab (SPINDL) space-simulation chamber at NASA Marshall Space Flight Center. The procurement is for one unit with a delivery deadline of 15 August 2025 to the SPINDL Lab in Huntsville, AL, designed to support long-term measurements of science-grade ion sensors under various space environment simulation conditions including Low Earth Orbit, Geosynchronous Orbit, Solar Wind, magnetotail, and lunar surface.
The ion source must meet specific technical specifications, including an ion energy range of 10 eV – 1 keV, beam current of 1 µA – 0.1 mA, and energy resolution ≤ 10%. Additional requirements include rugged operation at pressures down to 1 × 10⁻⁵ Torr, dual-gas inlets with precise flow control, high-voltage supply of 0-300V, digital and analog control interfaces, and environmental durability with operating temperatures of 0°C – 50°C. The device must have a compact volumetric envelope of ≤ 200 mm × 200 mm × 300 mm and weigh ≤ 10 kg, with provisions for filament kits and spare hardware included.
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| File | Type | Posted |
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| Tab 07 Capability Statement SAM.pdf |
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Statement of Work / Item Description & Technical Specifications
Plasma Ion Source for SPINDL Vacuum Chamber
Program: Variable-energy ion source for the space simulation chamber in the Space Instruments Development Lab (SPINDL) Purpose: Provide a rugged, tunable ion source to support long-term measurements of science-grade ion sensors under LEO, GEO, Solar-Wind, magnetotail, and lunar-surface simulation conditions.
1. Item Description
One (1) Variable-Energy Ion Source for integration into the SPINDL space-simulation chamber at NASA
MSFC.
2. Quantity & Delivery
Quantity: 1 unit Delivery Date: No later than 15 August 2025 Delivery Location: NASA MSFC SPINDL Lab (Building XXX), Huntsville, AL
3. Performance Requirements
Parameter Specification
Ion Energy Range 10 eV – 1 keV
Beam Current 1 µA – 0.1 mA
Energy Resolution (ΔE/E) ≤ 10 %
Continuous Operation ≥ 8 hours without performance degradation
4. Vacuum & Gas-Handling
Rugged operation at pressures down to ≤ 1 × 10⁻⁵ Torr Dual-Gas Inlets (each):
o Flow range: 0 – 50 sccm o Control accuracy: ± 1 sccm (± 2 % of setpoint) o Resolution: 0.1 sccm
5. Electrical & Control Interfaces
High-Voltage Supply: 0 – 300V, max current at least 0.5 mA output Control Signals:
o Analog: 0 – 10 V inputs for energy and beam-current setpoints o Digital: RS-232, RS-422, or USB for remote monitoring and logging
6. Mechanical & Physical
Mounting Flange: 2.75”, 6”, or 8” ConFlat
Volumetric Envelope: ≤ 200 mm × 200 mm × 300 mm (L × W × H) Weight: ≤ 10 kg
7. Environmental & Durability
Operating temperature: 0 °C – 50 °C Pressure-cycling: ≥ 1 000 cycles between atmosphere and 1 × 10⁻⁵ Torr Laboratory vibration (ambient): ≤ 0.5 g
8. Spares & Consumables:
Filament kits Spare hardware (e.g. fasteners)
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