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HT7800 Series

120 kV Transmission Electron Microscopes

Advanced TEM imaging for research and industry
  • Dual-Mode objective lens: Switch between high-contrast mode and high-resolution mode with a single click for unmatched flexibility.
  • User-friendly interface: Modern, intuitive GUI allows seamless operation in normal room light conditions. No darkroom needed.
  • Enhanced digital imaging system: With low-dose functionality for improved sample integrity.
  • Expandable capabilities: STEM, EDX, MirrorCLEM, and other specialized accessories for different research needs.

Overview

The HT7800 series comes in three variants: The HT7800, HT7820, and HT7830 (see Specifications table below). These microscopes represent a new era of transmission electron microscopy, combining Hitachi's 75+ years of expertise with modern digital advancements. Designed for both seasoned researchers and newcomers, this series offers high-resolution imaging with a user-friendly interface and ergonomic controls that enhance efficiency and comfort.

Designed for life sciences, material sciences, and industrial applications, the HT7800 series provides flexible imaging modes, high-speed digital processing, and seamless automation, ensuring accurate and reproducible results. You can also operate the microscope in normal room light conditions, which removes the need for a darkroom and improves usability and comfort.

Features and benefits

Specifications

  HT7800 HT7820 HT7830
Electron gun W (standard), LaB6 W (standard), LaB6 W (standard), LaB6
Accelerating voltage 20 - 120 kV (100 V/step variable) 20 - 120 kV (100 V/step variable) 20 - 120 kV (100 V/step variable)
Resolution (Lattice) 0.20 nm (Off-axis, 100 kV) 0.14 nm (Off-axis, 120 kV) 0.14 nm (Off-axis, 120 kV)
0.19 nm (Off-axis, 120 kV)
Maximum magnification x600,000 x800,000 x1,000,000
Stage maximum tilt angle ±70° ±30° ±10°
Standard features Auto focus, Microtrace, Autodrive, Live FFT display, Measurement function, Low dose, API (auto pre-irradiation),
Image navigation function, Column with mild baking function, Whole view function, Drift correction function, etc.

Applications gallery
Applications_HT7800_1 (1)

Mouse Kidney (stained), accelerating voltage 80 kV, magnification x300.

Applications_HT7800_2 (1)

Rat jejunum (unstained), accelerating voltage 80 kV, magnification x2,000.

  • High-contrast imaging for biological samples
  • Low-dose mode for cryo-TEM and delicate biological specimens
  • Images above show comparison between a conventional stained section and an unstained section with the HT7800 series High Contrast lens
Applications_HT7800_3 (1)

Au/TiO2 catalyst. Bright-field TEM image, accelerating voltage 120 kV.

Applications_HT7800_4 (1)

Au/TiO2 catalyst. Hollow-cone dark-field TEM image, accelerating voltage 120 kV.

  • High-resolution imaging of nanoparticles, polymers, and advanced materials
  • STEM & EDX compatibility for compositional analysis
  • Image above highlights hollow-cone dark-field observation using an Au/TiO2 catalyst on the HT7820. The electron beam diffraction region used for the hollow-cone dark-field observations indicated in yellow within the selected-area electron diffraction pattern. TiO2 diffraction waves can be clearly observed in the hollow-cone dark-field images.
Applications_HT7800_5 (1)

3D NAND flash memory. Bright-field TEM image.

Applications_HT7800_6 (1)

3D NAND flash memory. Hollow-cone dark-field TEM image.

  • 3D NAND flash memory
  • Silicon single crystal
  • FinFET devices
  • Above images show observation of a planar specimen of a 3D NAND flash memory device. Imaged at 120 kV using a HT7830.

Speak to our experts

Our specialists are here to guide you in selecting the right TEM for your needs. Reach our to learn which HT7800 model is best for you: The HT7800, HT7820, or HT7830. You'll learn how each can enhance your lab's imaging capabilities, streamline workflows, and support your scientific or industrial applications.

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