Compact scanned electron-beam x-ray source

Details Compact scanned electron-beam x-ray source Compact scanned electron-beam x-ray source

2008-02-19

2009-12-29

Ho, Allen C. (Department: 2882)

X-ray or gamma ray systems or devices

Source

Electron tube

C378S098600, C378S113000

Reexamination Certificate

active

07639785

ABSTRACT:
A compact, reliable scanning electron-beam x-ray source achieves reduced complexity and cost. In particular, the x-ray source includes an electron beam that is propagated parallel to an x-ray target and is swept across the target in response to a moving magnetic cross field. Rather than scanning the beam by deflecting it about a single point, the point of deflection is translated along the target length, dramatically reducing the volume of the device. The magnetic cross field is translated along the target length using either mechanical systems to move permanent magnets, or electrical systems to energize an array of electromagnets.

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