A stream of electrons in a gas or vacuum.
- This random emission of photons leaves the resulting electron beam with a fuzzy, rather than a sharply defined focus.
- Finally we stained the sample, attaching heavy-metal ions to increase its electron density in the electron beam.
- In the space between the flat type screen and the back electrode, linear cathodes and an electrode unit including an electron beam extracting electrode are arranged.
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Line breaks: elec|tron beam
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