X-ray inspection with contemporaneous and proximal...

Details X-ray inspection with contemporaneous and proximal... X-ray inspection with contemporaneous and proximal...

2007-08-07

2009-06-30

Kao, Chih-Cheng G (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Diffraction, reflection, or scattering analysis

C378S057000

Reexamination Certificate

active

07555099

ABSTRACT:
An X-ray imaging inspection system for bags and packages. Transmission imaging is performed using a fan beam and a segmented detector, while scatter imaging is performed with a scanned pencil beam, with both beams active simultaneously. Cross-talk between the beams is mitigated by a combination of shielding, scatter detector design, positioning and orientation, and image processing. Image processing subtracts the measured radiation scattered from the transmission beam into the scatter detectors, reducing cross-talk.

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