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minimum dose system, MDS

minimum dose system

"Minimum dose system (MDS)" is a method to photograph a TEM image by reducing damage to the specimen due to electron-beam irradiation. MDS is effectively used to photograph biological specimens. After the field for photographing is searched, focus adjustment of the objective lens and astigmatism correction are performed at a non-photographed position. Then, the MDS sets an electron dose, a magnification and the field for photographing to minimize the electron dose and takes the image.

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