Fig. 1
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Schematic diagram of the electron gun with flat (a) and spherical (b) grid (1) High-voltage feedthrough; (2) Vacuum chamber; (3) Hollow cathode; (4) Hollow anode; (5) Additional cathode; (6) Igniting electrode; (7) Flat grid; (8) Grounded anode; (9) Faraday cup; (10, 15, 16) − Rogovsky coils; (11) Spherical grid; (12) Spherical anode; (13) Modified chamber; (14) Hollow collector; (17) Substrate; (18, 19, 20) Foils.
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