Method and design for electrical stress mitigation in high...

Details Method and design for electrical stress mitigation in high... Method and design for electrical stress mitigation in high...

2006-03-28

2006-03-28

Bruce, David V. (Department: 2882)

X-ray or gamma ray systems or devices

Source

Electron tube

C378S142000

Reexamination Certificate

active

07020244

ABSTRACT:
In accordance with one embodiment, the present technique provides an X-ray tube. The X-ray tube includes an anode assembly configured to emit X-ray beams and a cathode assembly configured to emit electrons towards the anode assembly. The cathode assembly includes an insulator and a cathode post. The insulator includes a side surface, wherein the side surface includes a recessed portion. The cathode post includes a hollow interior region having an interior surface, wherein the interior surface is configured to engage with the side surface of the insulator. The cathode post may also include a foot portion that extends away from the interior surface at the end of the cathode post. The cathode post adjacent to the recessed portion of the insulator is configured to shield a triple point to reduce electrical stresses on the triple point.

REFERENCES:
patent: 3911306 (1975-10-01), Peter
patent: 5526396 (1996-06-01), Jacob
patent: 6798865 (2004-09-01), Tang
patent: 6816574 (2004-11-01), Hansen
patent: 6901136 (2005-05-01), Tekletsadik et al.
patent: 2004/0096037 (2004-05-01), Tang et al.
patent: 2004/0232834 (2004-11-01), Costello
patent: WO 00/57449 (2000-09-01), None

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