| 摘要 |
FIELD: electrical engineering; electronic devices including multiple-tube ones operating at higher-order modes of resonator. ^ SUBSTANCE: rectangular case of cathode has diametric through notches over cathode width whose disposition varies depending on desired operating temperature of dispenser cathode; slit diameter dictates diameter of one of cylindrical-holder butt-ends; two slots are made coaxially with case on mentioned butt-end of holder; rectangular case is mounted in holder by disposing cylindrical-holder walls in its notches in vicinity of slots. ^ EFFECT: enhanced cathode efficiency, its parameters, and reliability of electronic devices using rectangular resonators. ^ 2 cl, 3 dwg, 1 tbl |
