a type of electron microscope in which a moving electron beam is used to scan an object causing it to emit secondary electrons which form a pattern that produces a three-dimensional image on the screen of a cathode-ray tube
"scanning electron microscope." YourDictionary, n.d. Web. 15 October 2018. <http://www.yourdictionary.com/scanning-electron-microscope>.
scanning electron microscope. (n.d.). Retrieved October 15th, 2018, from http://www.yourdictionary.com/scanning-electron-microscope
scanning electron microscope
An electron microscope that forms a three-dimensional image on a cathode-ray tube by moving a beam of focused electrons across an object and reading both the electrons scattered by the object and the secondary electrons produced by it.