X-ray tube for CT apparatus

Details X-ray tube for CT apparatus X-ray tube for CT apparatus

1991-04-30

1993-01-12

Porta, David P.

X-ray or gamma ray systems or devices

Source

Electron tube

378 10, 378136, H01J 3506

Patent

active

051795833

ABSTRACT:
An X-ray tube for a CT apparatus comprises a ring-shaped vacuum tube containing a fixed cathode having a thermion emitting surface, a ring-shaped fixed anode, and a ring-shaped rotatable cathode interposed between the fixed cathode and fixed anode. The rotatable cathode defines a thermion receiving surface opposed to the thermion emitting surface, and a thermion emitting portion opposed to the fixed anode. Thermions are emitted from the thermion emitting portion toward the fixed anode while the rotatable cathode is suspended to non-contact state and rotated at high speed. With the thermions being accelerated and colliding on the fixed anode, an X-ray is generated toward the center of the vacuum tube. The X-ray generating position moves at high speed along a circumferential surface of the fixed anode with rotation of the rotatable cathode.

REFERENCES:
patent: 4300051 (1981-11-01), Little
patent: 4417171 (1983-11-01), Schmitmann
patent: 4821305 (1989-04-01), Anderson

Affiliated with

Also associated with

Rating

X-ray tube for CT apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with X-ray tube for CT apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and X-ray tube for CT apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1224969