X-ray or gamma ray systems or devices – Beam control
Reexamination Certificate
2007-01-31
2009-12-29
Glick, Edward J (Department: 2882)
X-ray or gamma ray systems or devices
Beam control
C378S005000
Reexamination Certificate
active
07639786
ABSTRACT:
An X-ray optical transmission grating of a focus-detector arrangement of an X-ray apparatus is disclosed, for generating projective or tomographic phase contrast recordings of a subject. In at least one embodiment, the grating includes a multiplicity of grating bars and grating gaps arranged periodically on at least one surface of at least one wafer, wherein the X-ray optical transmission grating includes at least two sub-gratings arranged in direct succession in the beam direction.
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D. Vaughan. X-Ray Data Booklet. Lawrence Berkeley Laboratory, Berkeley, 1986. p. 2-28.
R. Fitzgerald. Phase-Sensitive X-Ray Imaging. Physics Today, 53 (2000), p. 23-26.
U. Bonse; M. Hart. An X-ray Interferometer. Appl. Phys. Lett. 6 (1965), p. 155-156.
D. Chapman; W. Thomlinson; R.E. Johnston; D. Washburn; E. Pisano; N. Gmür: Z. Zhong; R. Menk; F. Arfelli; D. Sayers. Diffraction enhanced x-ray imaging. Phys. Med. Biol. 42 (1997), p. 2015-2025.
V.N. Ingal; E.A. Beliaevskaya. X-ray plane-wave topography observation of the phase contrast from a non-crystalline object. J. Phys. D: Appl. Phys. 28 (1995), p. 2314-2317.
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Baumann Joachim
David Christian
Engelhardt Martin
Freudenberger Jörg
Hempel Eckhard
Glick Edward J
Harness & Dickey & Pierce P.L.C.
Midkiff Anastasia
Siemens Aktiengesellschaft
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