ELECTRONS SOURCE
FIELD: electric engineering. ^ SUBSTANCE: device has sealed body with output window, protective screen with mesh positioned coaxially inside the body, positioned on protective screen, placed along greater axis of electron source body in parallel to surface of output port and connected to power sourc...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: electric engineering. ^ SUBSTANCE: device has sealed body with output window, protective screen with mesh positioned coaxially inside the body, positioned on protective screen, placed along greater axis of electron source body in parallel to surface of output port and connected to power source cathode node, containing forming electrode and at least one long cathode made of heat-resilient metal, providing for satisfaction of condition mu = 2, placed with interval along greater axis of electrons source, each incandescent element is made in form of spiral, coiling of which satisfies following conditions: d = 2, where d - wire diameter; h - spiral step; D - spiral diameter; having length L, satisfying condition f=L2gamma/8 , with f |
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