Difference between revisions of "Carl Zeiss"
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Revision as of 12:41, 10 August 2021
Zeiss is a German Manufactuer of Electron Microscopes, much like Siemens it was involved in the invention of the Electron Microsocpe. Originally its development focused on the creation of Electrostatic microscopes, but this approch was later abbandoned in favor of the Electromagnetic lens.
Only 2 models using exclusivly Electrostic Lenses are currently known to have existed, this is the experimental EM7, and the production EM8 microscope.
The EM9 marked the first all Electromagnetic Electron Microscope constructed by Carl Zeiss.
Models
It should be noted that this list is far from complete, and many models are yet missing within!
| Transmission Electron Microscops | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Model | Year | Accelerating Voltage | Cathode Type | Nr. of Condensor Lenses | Nr. of Imaging Lenses | Projective | Resolution | Successor | |
| Zeiss EM-7 | EM-8 | ||||||||
| [EM-8] | Tungsten Hairpin | 1 Electrostatic | 3 Electrostatic | Imersion and EinzelLense | EM-9 | ||||
| EM-9 | 60 KV | Tungsten Hairpin | 1 Electromagnetic | 3 Electromagnetic | Single Polpiece | 70 Å [1] | 'EM-10' | ||
| 'EM10' | 20, 40, 60, 80, 100 KV | 2 Electromagnetic | 3 Electromagnetic | Single Polpiece | < 30 Å [2] | EM-900 | |||
| EM109 | 50, 80 KV | Tungsten Hairpin | 2 Electromagnetic | 4 Electromagnetic | Single Polpiece | 50 Å [3] | |||
| EM-900 | Tungsten Hairpin | EM902 | |||||||
| EM902 | Tungsten Hairpin | EM912 | |||||||
| EM906 | Tungsten Hairpin | Single Polpiece | |||||||
| EM910 | Tungsten Hairpin | ||||||||
| EM912 | Tungsten Hairpin | ||||||||