Model CPX-VF Cryogenic Probe Station

The Lake Shore CPX-VF probe station enhances the standard probe station capabilities with the addition of a ±2.5 T vertical field superconducting magnet. It can do all the standard C-V, I-V, microwave, and electro-optical probing of the CPX, plus out-of-plane vertical field superconducting magnetic measurements. Researchers can use it for performing Hall effect measurements and testing magneto-transport parameters. The CPX-VF is one of Lake Shore’s premium probe stations for combining microwave measurements with magnetic field.

The CPX-VF is designed to enable true 90° wafer probing on wafers up to 51 mm (2 in) in diameter. The sample can be maintained at elevated temperature during cooldown reducing the potential for condensation, a critical requirement for measuring organic materials. The continuous refrigeration station uses liquid helium and can be operated with liquid nitrogen; however, the superconducting magnet requires liquid helium to operate. The CPX-VF operates over a temperature range of 4.2 K to 400 K with the option to extend the base temperature to 2 K.

Sample holders
Probing configurations
Vision system
Sample temperature accuracy is key

Features of the Model CPX-VF Superconducting Magnet-based Vertical Field Probe Station

  • Standard probing plus out-of-plane vertical field superconducting magnetic measurements
  • Multiple radiation shields for best low temperature performance
  • Minimise sample condensation during cool-down
  • True 90° probing
  • Customisable for Hall measurements
  • Customisable up to 3 T with specialised probes
  • THz probe arm option for precise on-wafer contact probing of millimetre wave devices at THz frequencies (75 GHz and up)




+44 (0)1372 378822

Dr. Alex Murphy

+44 (0)1372 378822


Supplier Info

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CPX-VF Specifications

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