Electron Microscopy Resources

Zeiss EM 910 Transmission Electron Microscope

Accelerating Voltages

• 40, 60, 80, 100, 120 keV

Magnification Ranges

• Low Mag – 50X to 1250X
• Mag range- 1000X to 500,000X

Illumination System

• Tungsten filament
• 4 lens Koehler illumination system
• Automatic Illumination-aperture Selection (AIS)
• Manual Illumination-aperture Selection (MIS)
• SPOT Illumination
• Constant brightness
• Beam deflection for Minimum Dose Focusing (MDF)

Objective Lens

• Point Resolution- 0.37nm
• Line Resolution- 0.2nm
• Focusing Modes
  • Zoom
  • Selectable step-size
  • Constant Focus (Low Mag and Mag modes)
• Automatic Defocusing modes
  • Optimized, Mag-dependant underfocus
  • High-Voltage-compensated defocus(Scherzer)
  • Fixed defocus
  • Automatic Through-focus Series
• Calibration function
  • Sets Objective lens to optimal settings and it’s eccentric point

Vacuum System

• Two-stage Rotary Pump
  • 8 cubic meters/second
• Turbomolecular pump
  • 0.19 cubic meters/second
• Ion-Getter Pump
  • 0.13 cubic meters/second
• LN2 Anti-contaminator
• Final vacuum (Gun)
  • 1.0ee-7 hPa

Computer Controls

• Host computer
• Vacuum System Computer
• Goniometer Computer
• Camera computer
• High Voltage Computer

Motorized eucentric specimen stage

• X,Y, Z, and tilt (+/- 60 degrees)
• All axes motorized and digitally controlled
• Store up to 99 positions
• Trackball for X, Y positioning
• 2-position Specimen Holder
• Photomontage software
• Tilt series software

Dark Room

Bessler CM20 Enlarger

• Diffuse Source
• Point Source

Digital timer

Mohrpro Film/paper Processor

Thomas safelight

Kreonite Sink

CryoUltramicrotome

Ultramicrotome

Polaron Critical Point Dryer

Polaron Sputter Coater

Low-Temp UV Polymerization Chamber

Pelco BioWave Pro Microwave Processor