Liquid metal gasket in x-ray tubes

Details Liquid metal gasket in x-ray tubes Liquid metal gasket in x-ray tubes

2005-05-10

2005-05-10

Church, Craig E. (Department: 2882)

X-ray or gamma ray systems or devices

Source

Electron tube

C378S133000

Reexamination Certificate

active

06891928

ABSTRACT:
Liquid metal gaskets for use in vacuum tubes are provided. Such liquid metal gaskets are ideal for use in x-ray tubes in x-ray imaging systems. These liquid metal gaskets comprise an internal plug incorporating a liquid metal filling, a first seal connected to a first end of the internal plug so as to isolate a bearing assembly from a vacuum vessel portion of the vacuum tube, and a second seal connected to a second end of the internal plug so as to prevent particles and vapors in a cavity of the bearing assembly from migrating into a vacuum area of the x-ray tube. The liquid metal gaskets incorporate any suitable liquid metal, such as mercury, gallium, or a gallium alloy. The liquid metal gaskets allow any suitable type of bearing assembly lubricant to be used, such as oils, powders, liquids, solids, wetting metals, and the like.

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