Cathode cup assembly for an x-ray tube

Details Cathode cup assembly for an x-ray tube Cathode cup assembly for an x-ray tube

1996-10-10

1999-07-06

Church, Craig E.

X-ray or gamma ray systems or devices

Source

Electron tube

378119, H01J 3506

Patent

active

059206055

ABSTRACT:
Cathode cup assemblies for an x-ray tube are described. In one embodiment, the cathode cup assembly includes a cathode cup, and a cathode insulator assembly. The cathode insulator assembly includes a filament lead tube, an insulator, and a nickel eyelet. The filament lead tube is inserted within the ceramic insulator so that a portion of the tube extends from the insulator. The nickel eyelet is brazed at a first end to the insulator. An outer surface of the nickel eyelet is brazed to the cathode cup to secure the cathode insulator assembly to the cathode cup. The brazed nickel eyelet enables filament leads to be positioned at a filament set height with respect to the cathode cup.

REFERENCES:
patent: 3943393 (1976-03-01), Naill
patent: 4825123 (1989-04-01), Franzel et al.
patent: 5526396 (1996-06-01), Jacob

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