Aperture strip for FEI Pre-lens FIB

Aperture strip for the FEI pre-lens FIB column, with custom hole sizes to suit your application needs.

The pre-lens FIB column was used on the earliest generation single beam FIB systems from FEI, including:

  • FIB200
  • FIB600 series
  • FIB800
  • FIB830

Aperture sizes increase over time due to ion sputtering. We recommend installing a new aperture strip when beam currents increase 10% above starting values.

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