Imaging Modes

TEM

Resolving power:
2.5 nm
Total magnification:
1,500-150,000 ×

STEM

Resolving power:
2.0 nm
Min. magnification:
6,000 ×
(25 × 25 µm)

ED (Electron Diffraction)

Minimum probe size:
100 nm
Diffraction lens:
3.5 × magnification

SEM

Resolving power:
4.0 nm
Min. magnification:
800 ×
(200 × 200 µm)
Back scattered electron detector (BSE)

Electron Optics

Electron Gun

  • Field emission gun
  • SE cathode ZrO/W[100]
  • Over 2,000 hours lifetime
  • αth = 0.2 mA sr-1
    (theoretical aperture angle)

Objective Lens

  • Permanent Magnet
  • f = 1.26 mm
    (focal length)
  • Cs = 0.64 mm
    (spherical aberation coefficiant)
  • Cs = 0.89 mm
    (chromatic aberation coefficiant)
  • δth = 1.1 nm
    (theoretical resolution)
  • αth = 10-2rad
    (theoretical aperture)
  • Condensor apertures: ∅ 50 and 30 µm

Condensor Lens

  • Permanent Magnet
  • f = 4.3 mm
    (focal length at 5 kV)
  • Smallest illumination area: 100 nm
  • Condensor apertures: ∅ 50 and 30 µm

Projection Lens

  • Electrostatic
  • Magnification on YAG screen: 36-470 ×

Vacuum

Airlock System

  • Diaphragmal and turbomolecular pump (10-5 mbar)

Object Space

  • Ion getter pump (10 l s-1, 10-8 mbar)

Electron Gun

  • Ion getter pump (10 l s-1, 10-9 mbar)

Size and Weight

Electron and Light Optic System

Weight:
25 kg
Width:
290 mm
Depth:
450 mm
Height:
430/480 mm

Airlock Pumping System

Weight:
15 kg
Width:
300 mm
Depth:
300 mm
Height:
340 mm

Control Electronics

Weight:
19 kg
Width:
470 mm
Depth:
270 mm
Height:
290 mm

Consumption

Control electronics

Stand-by:
20 W
(ion pumps only)
Operating:
160 W

Other components

Airlock pump:
300 W
Camera:
24 W
PC and monitor:
450W