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TMC Mag-NetX Magnetic Field Cancellation System

Home Products Instrumentation Magnetic Field Cancellation TMC Mag-NetX Magnetic Field Cancellation System
TMC Mag-NetX Magnetic Field Cancellation System

TMC Mag-NetX Magnetic Field Cancellation System

Actively compensates for magnetic field fluctuations



Designed for use with any charged-beam instrument, Mag-NetX is an innovative active control system for the compensation of magnetic field fluctuations. With a proprietary analog controller with digital interface to the user, Mag-NetX provides more real-time cancellation with continuous monitoring, while providing the user with a simple built-in LCD, or PC based Graphical user interface (GUI). Continuous monitoring with measured fields displayed via the GUI allows for fine tuning without relying on the microscope image. Alternatively, auto-tuning provides easy start up for typical SEM applications.


Features and benefits:

  • Helmholtz coil pairs for maximum symmetry and uniformity
  • Continuous field cancellation
  • Continuous field monitoring
  • Set and forget operation
  • Several AC and DC cancellation modes available
  • 100x field improvement (typical)
  • Dynamic, 100µs response
  • Accurate field measurement
  • Graphical User interface with continuous system monitoring and analysis
  • Optional feedforward compensation of line frequency and harmonics
  • Optional feedforward capability for other inputs

With Helmholtz-type configuration available in a free-standing cage, mounted in tracks on the walls of the room, or direct mounted inside of enclosures, Mag-NetX can be configured to your needs and application.


Challenge TMC with your most demanding requirements for both magnetic field compensation and vibration control for scanning and transmission microscopes, electron beam lithography and ion beam instruments.

For further information please contact us or download the datasheet.




  Mag-NetX datasheet                                                    Read more on TMC's website