Apparatus employing conically parallel beam of X-rays

Details Apparatus employing conically parallel beam of X-rays Apparatus employing conically parallel beam of X-rays

2007-03-05

2008-08-12

Yun, Jurie (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Diffraction, reflection, or scattering analysis

C378S084000, C378S145000

Reexamination Certificate

active

07412030

ABSTRACT:
An apparatus directing x-rays along a predetermined axis includes an x-ray optic having one or more nested x-ray reflector rings positioned relative to a source generating broad spectrum x-rays so that generated x-rays moving away from the predetermined axis are collected by the reflector incident at or close to a Bragg angle to thereby reflect the collected x-rays into a conically parallel beam. A first diffractor is positioned relative to the x-ray optic to receive incident thereon the conically parallel beam, the first diffractor selected from a truncated cone and a cylinder and diffracting the conically parallel beam toward the predetermined axis. A second diffractor is positioned relative to the first diffractor and having a geometry effective to receive incident thereon and redirect the conically parallel beam along the predetermined axis as a collimated beam of substantially parallel x-rays.

REFERENCES:
patent: 6278764 (2001-08-01), Barbee et al.

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