Solid-state x-ray detector

G - Physics – 01 – T

Patent

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G01T 1/20 (2006.01)

Patent

CA 2463078

The invention concerns a solid-state x-ray detector comprising a photosensitive sensor associated with a radiation converter called scintillator (5), transforming the X-radiation into a radiation to which the sensor (1) is responsive, and an input window (10) traversed by the X-radiation upstream of the scintillator (5). The input window (10) is set on the scintillator (5) without being fixed to the scintillator (5), and a moisture-proof sealing joint (11) fixes the input window (10) and the sensor (1). The scintillator (5) comprises a support (8) and a scintillating substance (7). The support (8) is separate from the sensor (1). Such type of detector is useful in particular in radiology, radiography, fluoroscopy, mammography, but also for non-destructive control.

La présente invention concerne un détecteur de rayonnement X à l'état solide comportant un capteur photosensible associé à un convertisseur de rayonnement, appelé scintillateur (5), transformant le rayonnement X en un rayonnement auquel le capteur (1) est sensible, et un fenêtre d'entrée (10) traversée par le rayonnement X en amont du scintillateur (5). La fenêtre d'entrée (10) est posée sur le scintillateur (5), sans être fixée au scintillateur (5), et un joint de scellement (11) étanche à l'humidité fixe la fenêtre d'entrée (10) et le capteur (1). Le scintillateur (5) comporte un support (8) et une substance scintillatrice (7). Le support (8) est distinct du capteur (1). Les domaines d'application de ce type de détecteur sont notamment la radiologie: radiographie, fluoroscopie, mammographie, mais également le contrôle non destructif.

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