X-ray tube having high-speed bearings

Details X-ray tube having high-speed bearings X-ray tube having high-speed bearings

1998-01-26

1999-11-30

Porta, David P.

X-ray or gamma ray systems or devices

Source

Electron tube

378144, H61J 3510

Patent

active

059955848

ABSTRACT:
An X-ray tube assembly including a cathode having an electron emitting surface, a rotatable anode having an X-ray target surface, and a vacuum-enclosing rotatable frame surrounding, and spaced apart from, the electron emitting surface and the X-ray target surface. The frame is hermetically attached to the anode, and the frame includes a totally-annular and X-ray-transparent window ring. Load-carrying bearings are located outside the vacuum of the frame and rotatably support the frame and the anode.

REFERENCES:
patent: 4819259 (1989-04-01), Tanaka
patent: 4993055 (1991-02-01), Rand et al.
patent: 5046186 (1991-09-01), Rohmfeld
patent: 5241577 (1993-08-01), Burke et al.
patent: 5274690 (1993-12-01), Burke et al.
patent: 5483570 (1996-01-01), Renshaw et al.
patent: 5652778 (1997-07-01), Tekriwal

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