Tecnai 20 FEG

tecnai20feg

 

Electron Source

  • Schottky Field emitter
  • High voltage range 20 – 200kV

Imaging

  • Tietz CCD camera 1024×1024
  • SIS CCD camera MegaView II
  • AnalySIS Pro
  • Plate camera with 56 sheets of film

Specimen stage

  • CompuStage
  • Single-tilt
  • Double-tilt holder
  • Single-tilt low-background holder

STEM

  • Bright Field and Annular Dark Field mode
  • Secondary Electron Detector

Micro-analysis

  • EDX

Objective lens

Objective lens TWIN (high tilt)
Point resolution (nm) 0.27
Line resolution (nm) 0.14
Information limit (nm)
Attainable <0.17
Cs objective (mm) 2.0
Cc objective (mm) 2.0
Focal length (mm) 2.7
Minimum focus step (nm) 3.0
Maximum eucentric tilt ± 70°
TEM magnification 25x – 700 kx
SA diffraction camera length (mm) 55 – 6000
Maximum diffraction half angle ± 10°
STEM magnification 100x – 10000kx
HR STEM resolution (nm) 0.34