** MAIN FEATURES **
The FEI Tecnai G2 F20 is a 200 kV field emission S/TEM. It has been configured and used for electron tomography of resin-embedded biological materials and is currently installed and operational. The instrument was maintained under a
Thermo Fisher Scientific OEM service contract through December 2025, with the last
annual service completed in December 2025.
** BEAM **
– Type of emitter: FEG Schottky field emitter
– Acceleration voltage range: 20-200 kV
** RESOLUTION **
– Point resolution: 0.24 nm
– Line resolution: 0.102 nm
** DETECTORS **
– Camera: FEI Eagle 4Kx4K CCD
** STAGE **
– Movement range: X, Y +/- 1 mm; Z +/- 0.375 mm
– Tilt: +/- 70 degrees
– Rotation: Not Specified
** ACCESSORIES **
– Water-water chiller: Van der Heijden
– Anti-contaminator: liquid nitrogen cold trap, column-mounted
– Single tilt holder: FEI
– Dual tilt holder: Fischione (available separately, on request)
– PC workstation and monitors
** CONDITION **
– No known issues reported; instrument currently installed and operational
– Service history: maintained under Thermo Fisher Scientific OEM service contract until
end of 2025, last annual service December 2025
