UHV (STM) 1 K Bath Cryostat

The UHV (STM) 1 K Bath Cryostat is a 1 K helium pot suitable for both single shot and continuous operation. It is mounted and fed from an ultra-low loss helium bath cryostat with a nitrogen shield with two vapor cooled
radiation shields for added performance. The system was initially conceptualized for STM, TEM and AFM measurements, whereby ultra-low vibrations are required for atomic resolution. With its high performance and compact design, this system is a staple of the SPM community. As is with all our systems, the UHV Bath Cryostats can be modified to best suit your individual needs.

Technical specifications

• Fully UHV / XHV compatible, can be baked up to 150°C
• SPM / STM / AFM compatible
• Temperature range: 1.0 K to 4.2 K
  (and higher upon request)
• Compact design: 10 LHe / 21 LN₂ configurations as standard
• Ultra-low cryogenic consumption LHe / LN₂: > 120 hours and > 250 hours hold time, respectively
• DN250 / 300CF base flanges for easy integration
• Fully customizable cold plate, radiation shield and design

Upgrades

• Additional geometries and tanks volumes available
• Tubes for cabling through the LHe tank
• Additional DN40CF or DN16CF flanges for customized wiring
• Passive air damping system fully integrated into the Helium system
• Low vibration N₂ tank via an optimized, unique design
• Linear push and / or pull mechanism at the tip /
  sample position
• Fully compatible UHV split pair superconducting magnet with ultra-low loss HTS / LTS current leads
• Radiation shields with integrated shutters, optical and sample transfer access