Difference between revisions of "Siemens"
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|style="text-align:center;"|[[Elmiskop 1A]] | |style="text-align:center;"|[[Elmiskop 1A]] | ||
| − | |style="text-align:center;"| | + | |style="text-align:center;"|1961 |
|style="text-align:center;"|40, 60, 80, 100 KV | |style="text-align:center;"|40, 60, 80, 100 KV | ||
|style="text-align:center;"|[[Tungsten Hairpin]] | |style="text-align:center;"|[[Tungsten Hairpin]] | ||
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|style="text-align:center;"| 3 Electromagnetic | |style="text-align:center;"| 3 Electromagnetic | ||
|style="text-align:center;"|4 Polpiece Revolver | |style="text-align:center;"|4 Polpiece Revolver | ||
| − | |style="text-align:center;"| | + | |style="text-align:center;"| 4 Å |
|style="text-align:center;"|[[Elmiskop 101]] | |style="text-align:center;"|[[Elmiskop 101]] | ||
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== Refferences == | == Refferences == | ||
Revision as of 16:19, 26 March 2020
The Siemens Corperation has, throughout the years produced many things, among them was the very First Electron Microsocpe. The history of the Electron Microscope started with Siemenes and Ernst Ruska, together with his research team, they created the very first Electron Microscopes.
Models
Siemens, as the company responsible for the invention of the Electron Microscope has produced many models throughout the years, also selling a rebadged version of the Etec Autoscan which was sold under the Siemens name outside the United States. Most of their models however where of the Transmission kind, mostly due to Ernst Ruskas Prescience.
| 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 Electromagnetic | 2 Electromagnetic | Single Polpiece | 500 Å [1] | Prototyp 2 | |
| Prototyp 2 | 1938 | 75 KV | Gas Discharge | 1 Electromagnetic | 2 Electromagnetic | Single Polpiece | 100 Å [2] | 'First Series' | |
| 'First Series' | 1939 | 75 KV | Gas Discharge | 1 Electromagnetic | 2 Electromagnetic | Single Polpiece | < 100 Å [3] | ÜM100 | |
| ÜM100 | 1950 | 75 KV | Tungsten Hairpin | 1 Electromagnetic | 2 (3) Electromagnetic | Single Polpiece ? | Elmiskop 1 | ||
| 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 [4] | Elmiskop 51 Prototyp | |
| Elmiskop 51 Prototyp | 1956 | 50KV | Gas Discharge | 0 Direct Gun Ilumination | 2 Permanent Magnet | 4 Polpiece Revolver | 50 Å [5] | 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[6] | None | |
| Elmiskop 101 | ca. 1970 | 40, 60, 80, 100 | Tungsten Hairpin | 2 Electromagnetic | 3 Electromagnetic | 2 Polpiece Revolver | 3-5 Å [7] | Elmiskop 102 | |
| Elmiskop 102 | ca. 1976 | 20, 40, 60, 80, 100, 125KV | Tungsten Hairpin | 2 Electromagnetic | 4 Electromagnetic | Single Polpiece | 2 Å (Line) 3 Å (Point) [8] | None | |
| Scanning Transmission Electron Microscops | |||||||||
| Unkown Model name | 1976 | Tungsten Hairpin | None | ||||||
| Scanning Electron Microscops | |||||||||
| Autoscan | 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 | |
Refferences
- ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 2nd Edition (1976), Page 57
- ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 2nd Edition (1976), Page 58
- ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 2nd Edition (1976), Page 58
- ↑ K. Müller & E. Ruska, Ein vereinfachtest Elektromagnetisches Durschstahlungsmikroskop für Elektronen von 40 bis 60KV*), 1954
- ↑ K. Müller & E. Ruska, Ein Hilfselektronenmikroskop für Kurs- und Routinebetrieb, (1956), Vierter Internationaler Kongress für Elektronenmikroskopie, Physikalisch Technischer teil, Page 184-187
- ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 2nd Edition (1976), Page 489
- ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 1st Edition (1970), Page 235
- ↑ Geoffrey A. Meek, Practical Electron Microscopy for the Biologist, 2nd Edition (1976), Page 502