Narrow band x-ray system and fabrication method thereof

Details Narrow band x-ray system and fabrication method thereof Narrow band x-ray system and fabrication method thereof

G - Physics

21

K

G21K 3/00 (2006.01) A61B 6/00 (2006.01) A61B 6/12 (2006.01) G01N 23/04 (2006.01) G21K 1/02 (2006.01)

Patent

CA 2528307

A narrow band x-ray filter can include: a substrate; and a sheaf of one or more reflection units stacked upon each other on the substrate. Each reflection unit can include: a first set of at least two discrete spacers on a respective underlying structures, a reflector disposed on the first set of spacers so as to form a void between the respective underlying structure and the reflector; and a first set of at least two discrete shims disposed on the first set of at least two spacers, each shim being at least substantially the same thickness as the reflector. A first device to produce a narrow band x-ray beam may include such a filter or an x-ray telescope. A second device to make an x-ray image of a subject may include the first device.

L'invention concerne un filtre à rayons X à bande étroite, pouvant comprendre un substrat, et un faisceau formé d'une ou de plusieurs unités de réflexion empilées les unes sur les autres sur le substrat. Chaque unité de réflexion peut comprendre un premier ensemble d'au moins deux éléments d'espacement discrets sur des structures sous-jacentes respectives, un réflecteur disposé sur le premier ensemble d'éléments d'espacement de manière à former un vide entre la structure sous-jacente correspondante et le réflecteur, et un premier ensemble d'au moins deux éléments de compensation discrets disposés sur le premier ensemble d'au moins deux éléments d'espacement, chaque élément de compensation ayant au moins sensiblement la même épaisseur que le réflecteur. Un premier dispositif de production d'un faisceau de rayons X à bande étroite peut comprendre ledit filtre ou un télescope à rayons X. Un second dispositif de génération d'une image à rayons X d'un sujet peut comprendre le premier dispositif.

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