High-speed scan type x-ray generator

Details High-speed scan type x-ray generator High-speed scan type x-ray generator

1991-04-29

1992-12-15

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378137, 378 4, H05G 160

Patent

active

051724014

ABSTRACT:
A high-speed scan type X-ray generating apparatus for scanning X-ray generating positions along a circumference of an examinee, in which an electron beam is emitted from an electron gun into a ring-shaped vacuum tube. The electron beam is deflected by electromagnets or the like to run on a circular orbit through the vacuum tube. The electron beam is further deflected by different, small electromagnets to deviate from the circular orbit and impinge on a ring-shaped target, thereby generating an X-ray toward the center of the vacuum tube. By controlling the small electromagnets, the X-ray generating position is caused to scan at high speed along a circumferential wall of the ring-shaped target.

REFERENCES:
patent: 4300051 (1981-11-01), Little
patent: 4392235 (1983-07-01), Houston
patent: 4531226 (1985-07-01), Peschmann
patent: 4631741 (1986-12-01), Rand et al.
patent: 4631743 (1986-12-01), Tomimasu et al.

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