Aperture strip for FEI Magnum FIB column

SKU: 100044

Automatic Variable Aperture (AVA) strip for FEI Magnum FIB column, standard configuration for 12 different beam currents. Aperture sizes provide beam currents of:

1pA 50pA 500pA 5nA
10pA 100pA 1nA 7nA
30pA 300pA 3nA 20nA

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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