单词 | post-deflection |
释义 | > as lemmaspost-deflection post-deflection adj. Brit. /ˌpəʊs(t)dᵻˈflɛkʃn/ , U.S. /ˌpoʊs(t)dəˈflɛkʃən/ , /ˌpoʊs(t)diˈflɛkʃən/ Electronics relating to or designating acceleration of an electron or electron beam after its deflection in a cathode ray tube; cf. post-acceleration n.ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > cathode-ray tube > [adjective] > relating to acceleration of electron beam post-deflection1943 post-accelerating1946 1943 F. E. Terman Radio Engineers' Handbk. iv. 342 In the post-deflection arrangement the beam is deflected at low velocity. 1950 Electronic Engin. 22 461/1 Two main advantages..in the use of commercially available post deflexion accelerator ( p.d.a.) cathode-ray tubes..are: (i) The attainment of higher screen brightness..and (ii) The problem of insulation in the glass pinch and the base are eased. 1983 IEEE Trans. Electron Devices 30 912/1 Post-deflection focus masks can increase the electron-beam transmission in a color picture tube over that achievable by conventional shadow masks. < as lemmas |
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