Linear geometry thyratron

Details Linear geometry thyratron Linear geometry thyratron

1985-03-06

1987-05-26

Scott, Samuel

Electric lamp and discharge devices: systems

Discharge device load

Discharge drawing-type discharge device

313590, 313591, 313592, 313596, 313597, 315334, 315335, H01J 1712

Patent

active

046688960

ABSTRACT:
The low pressure gas-filled thyratron is scalable in the long dimension. Internally the tube is formed as a tetrode, with an auxiliary grid placed between the cathode and the control grid. A DC or pulsed power source drives the auxiliary grid both to insure uniform cathode emission and to provide a grid-cathode plasma prior to commutation. The high voltage holdoff structure consists of the anode, the control grid and its electrostatic shielding baffles, and a main quartz insulator. A small gas flow supply and exhaust system is used that eliminates the need for a hydrogen reservoir and permits other gases, such as helium, to be used. The thyratron provides a low inductance, high current, long lifetime switch configuration; useful for switch-on applications involving large scale lasers and other similar loads that are distributed in a linear geometry.

REFERENCES:
patent: 3356893 (1967-12-01), Lafferty
patent: 4031424 (1977-06-01), Penfold et al.
patent: 4356426 (1982-10-01), Menown
patent: 4442383 (1984-04-01), Hill

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