Cathode structure for an electron tube

Details Cathode structure for an electron tube Cathode structure for an electron tube

1992-09-23

1995-03-28

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313270, 313 37, H01J 102, H01J 2904

Patent

active

054020352

ABSTRACT:
An electron tube includes a cathode structure which has a hollow cylindrical sleeve having a heater mounted within the sleeve. There is a cathode cap disposed at the top of the sleeve to contain an electron emission material. A hollow cylindrical cathode holder is used for supporting the sleeve. A unitary support interconnects the sleeve and the holder and has formed in its outer peripheral wall a plurality of circumferentially spaced through holes for preventing deformation of the support.

REFERENCES:
patent: 3128407 (1964-04-01), Mattson
patent: 3881124 (1975-04-01), Buescher et al.

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