X-ray or gamma ray systems or devices – Specific application – Absorption
Reexamination Certificate
2010-07-12
2011-10-11
Thomas, Courtney (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Absorption
C378S062000
Reexamination Certificate
active
08036336
ABSTRACT:
A simplified X-ray imaging apparatus is capable of computationally determining effective atomic numbers with small error factors even for light elements. The X-ray imaging apparatus has an X-ray generation unit101(400) for generating X-rays and a detector105(405) for detecting X-rays transmitted through an object of examination104(403). A computing unit106(406) computationally determines a quantity of an X-ray phase attributable to the object of examination and an X-ray transmittance of the object of examination from data detected by the detector. The computing unit also computationally determines an effective atomic number of the object of examination from ρet determined from the quantity of the X-ray phase and μt it determined from the X-ray transmittance.
REFERENCES:
patent: 2010/0318302 (2010-12-01), Mukaide et al.
patent: 2007-82663 (2007-04-01), None
T Takeda, “Phase-Contrast and Fluorescent X-Ray Imaging for Biomedical Researches”,Nuclear Instruments and Methods in Physics Research, Section—A:Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, Amsterdam, NL, vol. 548, No. 1-2, Aug. 11, 2005, pp. 38-46, XP025294578.
J Baruchel et al., “Phase-Contrast Imaging of Thin Biomaterials”,Biomaterials, Elsevier Science Publishers BV., Barking, GB, vol. 22, No. 12, Jun. 15, 2001, pp. 1515-1520, XP004245886.
DF Jackson et al., “X-Ray Attenuation Coefficients of Elements and Mixtures”,Physics Reports(Review Section of Physics Letters) 70, No. 3 (1981) pp. 169-233, North Holland Publishing Company.
Y Ohno et al., “Dual-Energy X-Ray CT with CdTe Array and Its Extension”, Elsevier Science Publishers BV.,Nuclear Instruments and Methods in Physics Research, A 548 (2005) pp. 72-77.
Mukaide Taihei
Takada Kazuhiro
Watanabe Masatoshi
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Thomas Courtney
LandOfFree
X-ray imaging apparatus, X-ray imaging method and method of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with X-ray imaging apparatus, X-ray imaging method and method of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and X-ray imaging apparatus, X-ray imaging method and method of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4280033