ﺼﻤﯿﻢ ﻗﺎذف اﻟﻜﺘﺮوﻧﻲ ﺑﺎﺳﺘﺨﺪام ﻋﺪﺳﺔ ﻣﻐﻤﻮرة ﺛﻨﺎﺋﯿﺔ اﻻﻗﻄﺎب ذات زﯾﻮغ ﻗﻠﯿﻠﺔ
Abstract A two electrode immersion electrostatic lens used in the design of an electron gun, with small aberration, has been designed using the finite element method (FEM). By choosing the appropriate geometrical shape of there electrodes the potential V(r,z) and the axial potential distribution h...
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| Format: | Article |
| Language: | Arabic |
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College of Education for Women
2019-02-01
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| Series: | مجلة كلية التربية للبنات |
| Online Access: | http://jcoeduw.uobaghdad.edu.iq/index.php/journal/article/view/260 |