AUTOEMISSIVE ASSEMBLY Russian patent published in 1997 - IPC

FIELD: electronic engineering; autoemissive electron sources, including luminescent-indication design forms. SUBSTANCE: autoemissive assembly is built around film anode and cathode. Anode surface is additionally coated with semiconductor material of phosphor series. Coat thickness increases towards working edge of anode. EFFECT: improved reliability, stability, and service life of devices built around proposed assembly, facilitated and less expensive manufacture, reduced working voltage. 3 cl, 1 dwg