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- W2790332844 abstract "Abstract Over the years, we've seen major developments in electron source technologies in response to the demands for better performance. This article presents a brief overview of the cathode technologies in use today. Two types of electron sources are used in commercially available scanning electron microscopes (SEMs), transmission electron microscopes (TEMs), scanning Auger microprobes, and electron beam lithography systems: thermionic and field emission electron cathodes. Thermionic cathodes reiease electrons from the cathode material when they are heated while field emission cathodes rely on a high electric field to draw electrons from the cathode material." @default.
- W2790332844 created "2018-03-29" @default.
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- W2790332844 date "1993-06-01" @default.
- W2790332844 modified "2023-10-04" @default.
- W2790332844 title "Evolution and Comparison of Electron Sources" @default.
- W2790332844 doi "https://doi.org/10.1017/s1551929500067432" @default.
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