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ΞΆΓάΘ¦ College
ΞΆΓάΘ¦ McGraw Microscopy Imaging Center - SMMIC

Transmission Electron Microscopy Laboratory



The Hitachi HT7800 120KV Transmission Electron Microscope (TEM), located in the Center for Integrated Science SMIC Laboratory, was purchased in 2020 by ΞΆΓάΘ¦ College.

Specifications of the HITACHI HT7800 PREMIUM 120KV TEM:

Illumination System:
W or LaB6 Filament
Accelerating Voltage:
120 kV maximum
Magnification range: x50 - x600,000
Special features:

Hitachi's unique "Dual Mode" compound objective lens provides both high contrast
and high resolution (HC/HR) modes exchangeable by one selection in the software;

High resolution and advanced optimization of contrast;

Eucentric high performance stage 5-axis goniometer for ultra-stable operation and
tilting;

Software and control panel driven z-height adjustment for efficient eucentric;

Microprocessor-controlled, differential turbo molecular pump evacuation system to
guarantee fast pump-down times and a ultra clean column vacuum;

Advanced image navigation and storage of positions, tilt angles and orientations;

Microtrace function indicating examined and unexamined areas of the specimen;

EMIP software to automatically archive all saved images and imaging data for ease
of access/analysis

EMIP-3D tomography system and FBP reconstruction method

Sample holder:

HT7800-MS2 Three Specimen One Touch Single Tilt Holder
   - High-throughput three specimen holder
   - Cantilever style retainer for ease of use and quick sample loading
   - Three grid positions selectable through software for precise and efficient sample

HT7800-SS Single Tilt Holder
   - Ultra-stable +/-70 degree high tilt holder for single specimen
   - Tomography holder

HT7800-RS Rotation Holder
   - Software controlled rotation of grid cradle
   - Suitable for dual-axis tomography analysis

Digital camera:

AMT BioSprint16 High Definition Camera

   - 16 Megapixel Scientific CCD
   - High Speed Readout
   - Anti-Blooming Sensor
   - High Performance ActiveVu Lens
   - Low noise readout
   - 80 MHz maximum at 16 bits
   - 25 fps at 4x4 binning full field
   - Wide-angle low-mount custom designed lens
   - 4896 x 3264 pixel wtih 9.5um square pixels at phosphor
   

Applications & Techniques Supported:

  • Standard imaging of thin sections samples
  • Darkfield mode for enhanced contrast
  • Diffraction
  • Tomography

TEM Image Gallery

Facilities