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Priority to FR7619034ApriorityCriticalpatent/FR2356264A1/fr
Publication of FR2356264A1publicationCriticalpatent/FR2356264A1/fr
Application grantedgrantedCritical
Publication of FR2356264B1publicationCriticalpatent/FR2356264B1/fr
H01J21/06—Tubes with a single discharge path having electrostatic control means only
H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
H01J21/14—Tubes with means for concentrating the electron stream, e.g. beam tetrode
FR7619034A1976-06-231976-06-23Perfectionnement aux dispositifs de commande des tubes a vide de forte puissance
GrantedFR2356264A1
(fr)