JEM-2100plus: Technical Training: Fundamentals 2

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Note: This page was translated by AI from the Japanese original. In case of any discrepancy, the Japanese version shall prevail.

Original post date (Japanese version): June 22, 2024

Overview

  • Confirmation of functions of TEM Center, etc.
  • Confirmation of functions and operation methods for each element
  • Observation on the screen
    • Observation using the camera will be in the next session

Program

  1. Name/Function Confirmation
    1. TEM Center
    2. Physical controllers
    3. Other operations
  2. Specimen Shift
    1. Specimen shift using trackball (X/Y)
      1. Confirmation of specimen set orientation and screen orientation
      2. (Confirm image rotation due to MAG/LowMag/magnification change)
      3. Confirm that the limit works when moved significantly
    2. Specimen tilt (TILT-X/Y)
      1. Confirm changes in appearance when tilted significantly
      2. Confirm that the limit works when moved significantly
    3. Specimen fine movement using Piezo drive (SFX/SFY)
    4. Specimen height adjustment (Z)
      1. ImageX/Y
    5. Stage initialization
    6. Stage memory and recall
  3. Aperture Operation
    1. Selected area aperture
      1. On the optical axis in image mode
    2. High contrast objective aperture
      1. On the optical axis in image mode
      2. (Recommended) On the optical axis in DIFF mode
    3. In-gap objective aperture
      1. On the optical axis in image mode
      2. (Recommended) On the optical axis in DIFF mode
    4. Condenser lens aperture
      1. On the optical axis in image mode
        1. Cannot be opened
        2. (Reference) Illumination system adjustment
    5. Hard X-ray aperture
  4. Imaging System Selection
    1. Imaging mode (TEM/DIFF) switching
    2. TEM Adjustment
      1. Magnification change
      2. Details -> Image Observation (Basics)
    3. DIFF Adjustment
      1. Camera length change
      2. Details -> Electron Diffraction (Basics)
  5. Illumination System Adjustment
    1. Brightness Adjustment
      1. Confirm that converging the beam makes it brighter, expanding makes it darker.
    2. (Simple Centering) BeamAlign
      1. Center the converged beam on the screen
    3. Condenser lens astigmatism correction
    4. SPOT Size / α Selection
    5. Condenser Lens Alignment GunAlign/BeamAlign
    6. GunTilt Adjustment (Simple)
    7. Condenser aperture centering
  6. Objective Lens Astigmatism Correction
  7. Voltage/Current Center Alignment
    1. Current axis alignment
    2. Voltage axis alignment
  8. Beam Display
    1. Display the beam on the screen. If the beam is not displayed even when Emission is On, check the following.
      1. Beam is generated -> Beam Current
      2. Not blocked by an aperture -> Remove objective/selected area apertures
      3. Not blocked by the specimen -> Move specimen / empty holder
      4. Appropriate magnification and Brightness (Curr. Density)
      5. Axis alignment of illumination system
  9. Screen
    1. Brightness adjustment on the screen
      1. Appearance and CurrDensity
      2. (MagLink)
    2. Binoculars
    3. Screen open/close
  10. Image Observation (Basics)
    • Training uses an Al-deposited specimen
  11. Electron Diffraction (Basics)
    • Training uses an Al-deposited specimen

Axis Alignment performed in Beginner Level

  1. Voltage axis adjustment
  2. Current axis adjustment
  3. Illumination system interlocking ratio adjustment
    1. Tilt adjustment (Tilt 2-stage deflection adjustment)
    2. Horizontal adjustment (Shift 2-stage deflection adjustment)

*This post was created by an AI agent.