UK Space Facilities Higgs Swiss Cryostat

Features

Vacuum and cryo-vac testing down to 60K (-213°C) or 4K (-269°C)
Designed for maximum flexibility
Optical window or mechanical rotary feedthrough available, accessible from optical table
Pneumatic vibration-isolation available on cryostat and optical table
Flexible electrical/electronic access during test
Located in a controlled-access clean-lab
Engineering support available to help design testing
Full technician support included for operation of cryostat and vacuum systems

Use cases

General vacuum compatibility testing
Thermal-vacuum system, sub-system or component-level testing from above room-temperature down to 4K (-269°C)
Ideal for space sub-system or NanoSatellite testing
Confirm correct functional operation during test through optical window / mechanical feedthrough and electrical/electronic pass-through connections

Technical details

Vessel Size	1500mm dia x 900mm long (spun ends)
Roughing Vacuum System	1x scroll pump
High Vacuum System	1x turbo pump
Typical Pump Down time	~1 hour
Base Pressure at Ambient	< 5E^-4 mbar
Base Pressure cold	< 5E^-5 mbar
Cooling System	2 x 2-stage Helium Sumutomo cold-heads
Temperature Sensors	8x DT470 with Lakeshore temperature controller
Residual Gas Analyser (RGA)	Available (contact for details)
Large Vacuum Ports	1x ISO 160 CF port fitted with viewport or rotary feedthrough
Small Vacuum Ports	2x KF25, 1x KF40
Radiation Shielding	Single-stage at 80K with MLI
1^st Stage cold station	~60K (1200mm x 1200mm breadboard 25mm M6 tapped)
2^nd Stage cold station	~4K (600mm x 660mm breadboard 25mm M6 tapped)
Pressure Relief Device	Fitted, pop-off @ 0.2bar
Unloaded cool down time	~6 hours

The Higgs Swiss Cryostat

Higgs Swiss Cryostat
02 Apr 2020

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