Facilities and Equipment in Yokosuka Headquarters

Transmission Electron Microscope

Outline

This device is used for observation of the images that an accelerated electron beam irradiates on a specimen and magnifies the distribution of transmitted electrons to specimens and makes image formation on a fluorescence screen by an electron lens and records them in the form of photographs.


<Specifications>

Item Explanation
Resolution  
Lattice image 0.2nm
Particle image 0.36nm
Accelerating voltage 40, 60, 80, 100, 120kV
Magnification  
MAG mode × 1,000~800,000
Low MAG mode × 20~3,000
SA MAG mode × 20,000~100,000
IOS (MAG) mode × 4,000~100,000 (±90°)
IOS (LOW MAG) mode × 50~3,000 (±30°)
Objective lens  
Focal length 3.4mm
Spherical aberration 2.4mm
Chromatic aberration 2.5mm