Mounting means for mounting spiral wire cathodes

Details Mounting means for mounting spiral wire cathodes Mounting means for mounting spiral wire cathodes

1986-07-03

1988-03-01

Moore, David K.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For filament

313270, 313286, 313290, 313337, 313344, 219121ET, 219542, H01J 3765, H01J 118

Patent

active

047288507

ABSTRACT:
In a mounting device for electrically heated, spirally wound wire cathodes in electron guns, two mounting posts joined together by an insulator are configured as sector-shaped sections of a hollow cylinder, and have each a circumferential groove on its end remote from the insulator. The surfaces defining the grooves are parts of common circular and cylindrical surfaces, and the mounting ends of the cathodes are of a configuration approximately complementary to that of the grooves in the mounting posts. The mounting ends therefore lie in a spring-biased and form-fitting manner in the circumferential grooves.

REFERENCES:
patent: 4084077 (1978-04-01), Porazhinsky

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