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      凱發娛樂

      MOPHONE 3D

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      Field emission transmission electron microscopy  Tecnai G2 F20 S-TWIN
       
      Manufacturer: FEI
      Model: Tecnai G2 F20 S-TWIN
       
      Key performance indicators
      Acceleration voltage: 20 ~ 200 kV;
      The ultimate resolution: 0.14 nm profile information;
      STEM resolution: 0.20nm;
      FEG minimum beam spot £ 0.3nm;
      Camera constant: 30 ~ 4500 mm;
      Electron beam maximum convergence angle: ± 13 °;
      Remote operation interface, automatic aperture interface;
      Electron gun: FEG, energy resolution £ 0.7eV;
      Point resolution: 0.24 nm;
      Cs (mm) / Cc (mm) 1.2 / 1.2;
      TEM magnification: 60 ~ 1000kx;
      Maximum inclination of sample: ± 40 °;
      Integrated energy spectrometer and CCD camera;
       
      Application range
      Widely used in biology, medicine, chemistry, physics, geology, metal, semiconductor materials, polymer materials, ceramics, nano-materials and other fields. It is an indispensable tool for studying the relationship between super-microstructure and properties of various materials.

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      男女边摸边吃奶边做视频免费