| 单词 | field emission microscope |
| 释义 | > as lemmasfield emission microscope field emission microscope n. Electronics now chiefly historical a type of electron microscope in which field emission is utilized to form an enlarged image of the emitting surface on a fluorescent screen.Invented by E. W. Müller (1911–77), German-born physicist, in 1936. Müller also invented the field ion microscope and the atom probe. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > magnification or magnifying instruments > [noun] > microscope > electron microscopes microscope1907 electron microscope1932 field emission microscope1941 field ion microscope1952 scanning electron microscope1953 SEM1968 stereoscan1968 transmission electron microscope1969 STM1982 1941 B. Chalmers & A. G. Quarrell Physical Exam. Metals II. vi. 250 Field emission microscopes are simple microscopes in that no lenses are used, but the electrons producing the image are excited in a different manner. 1965 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. I. x. 374 The use of the Field Emission microscope and the Field Ion microscope has shown that diffusion at the surface of metals is considerable at temperatures as low as 0·2Tm. 2001 R. W. Cahn Coming of Materials Sci. vi. 232 The instrument was called a field-emission microscope and depended on the field-induced emission of electrons from the highly curved tip. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。