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Ionizační detektor pro ESEM

Authors: Pokluda, Tomáš;

Ionizační detektor pro ESEM

Abstract

This thesis is focused on the environmental scanning electron microscopes including a description of the basic physical mechanisms. It describes the design and realization of the electrode ionization detector system suitable for the detection of signal electrons with a greater proportion of secondary electrons. It also deals with simulations of trajectories of electrons in the electrostatic field of the detector, and with verification of the functionality of the detector in the environment of water vapors in the specimen chamber of the electron microscope.

Diplomová práce je zaměřena na problematiku environmentálních rastrovacích elektronových mikroskopů, včetně popisu základních fyzikálních mechanismů. Popisuje návrh a realizaci elektrodového systému ionizačního detektoru vhodného pro detekci signálních elektronů s větším podílem sekundárních elektronů. Dále se zabývá simulacemi drah elektronů v elektrostatickém poli detektoru a ověřením funkčnosti detektoru v prostředí vodních par v komoře vzorku elektronového mikroskopu.

B

Country
Czech Republic
Related Organizations
Keywords

back scattered electrons, zpětně odražené elektrony, ionizační detektor, sekundární elektrony, signal level., ionization detector, secondary electrons, Environmentální rastrovací elektronový mikroskop, Environmental scanning electron microscope, úroveň signálu.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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