Any of various instruments using radiation of a shorter wavelength than visible light to provide greater magnification than is possible with the…
| 单词 | θ64797 |
| 释义 | the world > physical sensation > sight and vision > optical instruments > magnification or magnifying instruments > [noun] > microscope > electron microscopes (12) microscope1907 Any of various instruments using radiation of a shorter wavelength than visible light to provide greater magnification than is possible with the… electron microscope1932 A microscope which employs a beam of electrons to illuminate the sample, focusing the reflected or transmitted electrons using electron lenses to… field emission microscope1941 a type of electron microscope in which field emission is utilized to form an enlarged image of the emitting surface on a fluorescent screen. field ion microscope1952 an electron microscope that works on the same principle as the field emission microscope but using ions produced at the surface of the emitter or in… scanning electron microscope1953 a form of electron microscope in which an electron beam is scanned in a raster pattern across the specimen; an electrical signal is obtained by… SEM1968 scanning electron microscope, microscopy. stereoscan1968 a proprietary name for a scanning electron microscope; hence (as stereoscan), a picture obtained with a scanning electron microscope. transmission electron microscope1969 an electron microscope in which the electrons are detected after they pass through the specimen; spec. one in which all parts of the image are… STM1982 scanning tunnelling microscope; (also) scanning tunnelling microscopy. Subcategories:— underfocus (2) — picture obtained by (1) |
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