Anode Wobbler in TEM - Practical Electron Microscopy and Database - - An Online Book - |
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Microanalysis | EM Book https://www.globalsino.com/EM/ | ||||||||
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Anode Wobbler function on TEM systems is used to align the electron gun axis with so-called "Gun Tilt" switch by varying the 2nd anode voltage periodically. This can be done at low magnifications, e.g. at 40,000 X. In practice, the operation can be slightly different from one system to another. For instance, for JEOL 2010F, the alignment procedure is:
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