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Scanning electron microscopy . Katedra experiment álnej fyziky FMFI UK B r a t i s l a v a. History. 1897 - Discovery of the electron ( J. J. Thompson) 1924 - Particle and wave theory (L. deBroglie) 1926 - Electromagnetic lens (H. Busch)

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scanning electron microscopy

Scanning electron microscopy

Katedra experimentálnej fyziky

FMFI UK

B r a t i s l a va

history
History
  • 1897- Discovery of the electron ( J. J. Thompson)
  • 1924 - Particle and wave theory (L. deBroglie)
  • 1926 - Electromagnetic lens (H. Busch)
  • 1927 - Demonstration of electron diffraction (C. J. Davisson and L. H. Germer)
  • 1929 - Theoretical description of SEM (H. Stintzing)
  • 1932 - Construction of first electron microscope (transmission) (M. Knoll and E. Ruska)
  • 1935 - Demonstration of scanning electron microscope theory (M. Knoll)
  • 1938 - First SEM constructed (M. von Ardenne)
  • 1939 - First commercial transmission electron microscope (B. von Borries and E. Ruska)
history1
History
  • 1942 - Production of electrostatic lens SEM (V. K. Zworykin, J. Hillier and R. L. Synder)
  • 1956 - Production of electromagnetic lens SEM (K. C. A. Smith)
  • 1956 - X-ray microanalyzer with a scanning probe (V. E. Cosslett and P. Duncomb)
  • 1960 - Improved secondary electron detector (T. E. Everhart and R. F. M. Thornley)
  • 1960's - First commercial SEM (Cambridge Instrument Co., Ltd.)
  • 1971 - Construction of a STEM with a field emission source (A. V. Crewe and J. Wall)
physics
Physics
  • Electron interaction with sample
  • Electron energy spectrum
  • Electron – core electron interaction
technics
Technics
  • Vacuum chamber
  • Electron optics
  • Image formation
  • Electronics
image gallery
Image Gallery
  • Poppy seed
image gallery1
Image Gallery
  • Leaf of nettle with beetle
image gallery4
Image Gallery
  • Ant feeler