单词 | trochotron |
释义 | trochotronn. Electronics. A type of magnetron in which there are a number of anodes at different angular positions around the central cathode, with the electron beam able to be switched from one anode to another. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > thermionic valve > [noun] > vacuum tube or thermionic valve vacuum tube1859 trigger tube1894 audion1906 pliotron1915 diode1919 electron tube1919 negatron1919 pentode1919 power valve1919 tetrode1919 triode valve1919 magnetron1921 bright emitter1923 peanut valve1923 peanut1924 power tube1924 multiple valve1929 thyratron1929 heptode1932 hexode1933 pentagrid1933 acorn tube1934 octode1934 triode-pentode1936 triode-hexode1937 transitron1939 trochotron1947 steering diode1957 1947 Alfvén & Romanus in Nature 1 Nov. 614/1 Research on valves with cycloidal or trochoidal electronic motion has been carried out... The development of the valves, which are called ‘trochotrons’, has been carried out by G. Hambraeus and..T. Wallmark. 1962 Jrnl. Brit. Inst. Electr. Engineers 23 99/1 The Trochotron is a hot-cathode multi-electrode tube containing a number of open box electrodes and operating in a constant magnetic field. 1980 Jrnl. Nuclear Materials XCIII–XCIV. a. 352/2 The property of stigmatic focusing used in the trochotron mass spectrometer..is conserved in this device. This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2018). < n.1947 |
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