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secondary electron |
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secondary electron [′sek·ən‚der·ē i′lek‚trän] (electronics) An electron emitted as a result of bombardment of a material by an incident electron. An electron whose motion is due to a transfer of momentum from primary radiation. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| One proton creates about five secondary electrons being guided to the electron detectors. Secondary electron images result from interaction of the electron beam with the outermost layer of the sample. Striking the surface, these electrons knock out "secondary" electrons, and the information gained from the secondary electrons is used to draw a picture of the surface structure. |
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