PLASMA SOURCE OF ELECTRONS WITH SYSTEM FOR AUTOMATIC IGNITION OF GLOW DISCHARGE IN HOLLOW CATHODE, OPERATING IN MEDIUM VACUUM Russian patent published in 2024 - IPC H05H1/24 

FIELD: physics.

SUBSTANCE: invention relates to the technique of producing stationary (continuous) narrowly focused beams of electrons in the medium vacuum pressure range and can be used in the development of electron-beam devices, and is also used in electron-beam technology, experimental physics, plasma-chemical technology. In a plasma source comprising a hollow cathode, an anode and an accelerating electrode, placed coaxially on high-voltage ceramic insulators, in the end face of the hollow cathode there installed is an igniting electrode made in the form of an insulated metal rod, which provides initiation and maintenance of stable burning of a glow discharge in the hollow cathode during its spontaneous extinction by supply of a firing pulse by a power supply system with feedback.

EFFECT: provision of initiation and maintenance of stable burning of glow discharge in source of focused electron beam, functioning in medium vacuum, due to additionally installed igniter electrode equipped with power supply system with feedback.

1 cl, 1 dwg