X-RAY FOCAL SPOT SHAPE EVALUATION DEVICE AND X-RAY FOCAL SPOT SHAPE EVALUATION METHOD

An X-ray focal spot shape evaluation apparatus is an apparatus for evaluating an X-ray focal spot shape including an X-ray focal spot size on a target of an X-ray source, and includes an imaging unit and an operation unit. The imaging unit acquires a phase contrast image in a range including an edge...

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Bibliographische Detailangaben
1. Verfasser:	HOTAKA, Hisaya
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	An X-ray focal spot shape evaluation apparatus is an apparatus for evaluating an X-ray focal spot shape including an X-ray focal spot size on a target of an X-ray source, and includes an imaging unit and an operation unit. The imaging unit acquires a phase contrast image in a range including an edge of an object disposed on a propagation path of X-rays generated on the target of the X-ray source. The operation unit evaluates the X-ray focal spot shape on the target based on at least the phase contrast image, a linear attenuation coefficient of the object, and a refractive index of the object.