Self-aligned double grids for vacuum tubes

Details Self-aligned double grids for vacuum tubes Self-aligned double grids for vacuum tubes

1982-01-18

1987-09-22

Wise, Robert E.

Electric lamp and discharge devices

Electrode and shield structures

Foraminous electrodes or shields

313296, 313355, 313597, 313631, H01J 146, H01J 152, H01J 1704, H01J 1712, H01J 1938, H01J 1940, H01J 2110

Patent

active

046957600

ABSTRACT:
Self-aligned double grids for vacuum tubes and methods for making such double grids are provided. The self-aligned double grids are especially suitable for improving the efficiency and performance characteristics of high frequency power amplifier tetrode tubes.

REFERENCES:
patent: 3744247 (1973-07-01), Margosian et al.

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