单词 | field-ion microscope |
释义 | field-ion microscope [¦fēld ¦ī´än `mī·krǝ´skōp] ELECTRONICS A microscope in which atoms are ionized by an electric field near a sharp tip; the field then forces the ions to a fluorescent screen, which shows an enlarged image of the tip, and individual atoms are made visible; this is the most powerful microscope yet produced. Also known as ion microscope. |
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