Digital phase contrast X-ray radiographing system

Details Digital phase contrast X-ray radiographing system Digital phase contrast X-ray radiographing system

2007-02-27

2007-02-27

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Absorption

C378S070000

Reexamination Certificate

active

10318660

ABSTRACT:
An X-ray image radiographing system for radiographing a subject is provided with an X-ray source to emit X-rays; a digital X-ray detector to detect a digital X-ray image of the subject, wherein the subject is placed between the X-ray source and the digital X-ray detector in an arrangement to satisfy the following formulas so that an edge of the digital X-ray image is enhanced oven an edge-enhanced width: 0.1 m≦R1≦10 m, and 0.15 m≦R2≦10 m, where R1is a distance between the X-ray tube and the subject and R2is a distance between the subject and the digital X-ray detector. The digital X-ray detector has a pixel size almost equal to the half of the edge-enhanced width.

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patent: 5812629 (1998-09-01), Clauser
patent: 6018564 (2000-01-01), Wilkins
patent: 6035013 (2000-03-01), Orava et al.
patent: 6404848 (2002-06-01), Ishisaka et al.
patent: 6628815 (2003-09-01), Wang

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