Visual Siemens Models

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Transmission Electron Microscops
Model Year Accelerating Voltage Cathode Type Nr. of Condensor Lenses Nr. of Imaging Lenses Projective Resolution Successor
High Speed Oscillograph Electron Source 1933 75 KV Gas Discharge 2 Electromagnetic N/A N/A N/A Prototyp 1
Prototyp 1 1933 75 KV Gas Discharge[1] 1 Electromagnetic 2 Electromagnetic Single Polpiece 500 Å [2] Prototyp 2
Prototyp 2 1938 75 KV Gas Discharge [3] 1 Electromagnetic 2 Electromagnetic Single Polpiece 100 Å [4] 'First Series'
'First Series' 1939 75 KV Gas Discharge 1 Electromagnetic 2 Electromagnetic Single Polpiece < 100 Å [5] ÜM100
Prototyp 3 1941 200 KV
ÜM100 Gen1 1939 55, 70, 85, 100 KV Tungsten Hairpin 1 Electromagnetic 2 (3) Electromagnetic Single Polpiece ? ÜM100 Gen2
ÜM60 1950 40, 50, 60 KV Tungsten Hairpin 1 Electromagnetic 2 (3) Electromagnetic Single Polpiece ? None
ÜM100 Gen 2 1949 40, 60, 80, 100 KV Tungsten Hairpin 1 Electromagnetic 2 (3) Electromagnetic Single Polpiece ? Elmiskop 1
1954 40, 60, 80, 100 KV Tungsten Hairpin 2 Electromagnetic 3 Electromagnetic 4 Polpiece Revolver 5 Å Elmiskop 1A
Vereinfachtes Durchstahlungsmikroskop 1954 40, 50, 60 KV Tungsten Hairpin 0 Direct Gun Ilumination 2 Electromagnetic 4 Polpiece Revolver 25 Å [6] Elmiskop II
1955 40, 50, 60 KV Tungsten Hairpin 0 Direct Gun Ilumination 2 Electromagnetic 4 Polpiece Revolver 30 Å Elmiskop 51 Prototyp
Elmiskop 51 Prototyp 1956 50KV Gas Discharge 0 Direct Gun Ilumination 2 Permanent Magnet 4 Polpiece Revolver 50 Å [7] Elmiskop 51
Elmiskop 1A 1961 40, 60, 80, 100 KV Tungsten Hairpin 2 Electromagnetic 3 Electromagnetic 4 Polpiece Revolver 4 Å Elmiskop 101
Elmiskop 51 ca. 1970 50 KV Tungsten Hairpin 0 Direct Gun Ilumination 2 Permanent Magnet 4 Polpiece Revolver 25-50 Å Film Grain Dependent[8] None
1968 40, 60, 80, 100 Tungsten Hairpin 2 Electromagnetic 3 Electromagnetic 2 Polpiece Revolver 3-5 Å [9] Elmiskop 102
Elmiskop 102 1972 20, 40, 60, 80, 100, 125KV Tungsten Hairpin 2 Electromagnetic 4 Electromagnetic Single Polpiece 2 Å (Line) 3 Å (Point) [10] None
Elmiskop 103 Tungsten Hairpin None
Elmiskop 104 None
Elmiskop CT 150 1977 None
Scanning Transmission Electron Microscops
1977 20, 40, 60, 80, 100KV Cold Field Emmision 1 Electrostatic 2 Electromagnetic N/A 2Å None
X-Ray Micro Analyzers
Ca. 1961 Tungsten Hairpin None
Scanning Electron Microscops
1972 2.5, 5, 10, 20, 30, (50) KV Tungsten Hairpin / LaB6 / Field Emission? 3 Electromagnetic, Common Coil 1 Electromagnetic Single Polpiece 7 nm None
  1. ↑ Ernst Ruska, The Early Development of Electron Lenses and Electron Microscopy (1980), Page 70
  2. ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 2nd Edition (1976), Page 57
  3. ↑ Ernst Ruska, The Early Development of Electron Lenses and Electron Microscopy (1980), Page 70
  4. ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 2nd Edition (1976), Page 58
  5. ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 2nd Edition (1976), Page 58
  6. ↑ K. Müller & E. Ruska, Ein vereinfachtest Elektromagnetisches Durschstahlungsmikroskop für Elektronen von 40 bis 60KV*), 1954
  7. ↑ K. Müller & E. Ruska, Ein Hilfselektronenmikroskop für Kurs- und Routinebetrieb, (1956), Vierter Internationaler Kongress für Elektronenmikroskopie, Physikalisch Technischer teil, Page 184-187
  8. ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 2nd Edition (1976), Page 489
  9. ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 1st Edition (1970), Page 235
  10. ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 2nd Edition (1976), Page 502
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