%0 Journal Article %T On the way to the vacuum diode %A Pestrikov, V.. %K cathode rays, experiments by Heinrich Hertz, Lenard tube, Lenard window, Brown cathode tube, Wehnelt rectifier %J Infocommunications and Radio Technologies %D 2020 %N 3 %P 33 %I Federal State Educational Institution of Higher Education Sevastopol State University