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Scintillant detector array

A detector array and scintillator technology, applied in instruments, measuring devices, scientific instruments, etc., can solve problems such as the surface roughness of the reflective layer, and achieve the effect of solving signal interference and avoiding signal crosstalk.

Inactive Publication Date: 2019-09-17
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, due to the rough surface of the reflective layer, part of the fluorescence will leak out of the scintillator detection unit through the side of the optical coupling glue

Method used

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Embodiment

[0024] figure 2 The schematic diagram of the side view structure of the scintillator detector array provided with the fluorescent shielding device provided by the embodiment of the present invention, this embodiment is applicable to the situation where there is signal crosstalk among the detectors in the scintillator detector array.

[0025] Such as figure 2 As shown, the scintillator detector array specifically includes:

[0026] At least two scintillator detectors and a fluorescence shielding device; wherein, the fluorescence shielding device is arranged between the channels of the scintillator detectors for absorbing or reflecting fluorescence, so as to avoid Fluorescence is absorbed by other scintillator detectors arranged next to the scintillator detector, causing signal crosstalk.

[0027] Specifically, each scintillator detector includes: a scintillator, a reflective layer, an optical coupling glue, and a photosensitive element, wherein five surfaces of each scintil...

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Abstract

The embodiment of the invention discloses a scintillant detector array, comprising: at least two scintillant detectors and a fluorescence shielding device; wherein the fluorescence shielding device is disposed between scintillant detector channels for absorbing or reflecting fluorescence. The method comprises the steps of: the fluorescence shielding device is disposed between the scintillant detector channels of the scintillant detector array in the embodiment of the invention, so that the problem of signal interference between the scintillant detectors in the scintillant detector array is solved; and photosensitive elements of detector units in the scintillant detector array are prevented from receiving fluorescence leaking from other detector units, thereby avoiding the signal crosstalk between the detector units.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of medical imaging equipment, and in particular to a scintillator detector array. Background technique [0002] Scintillation detector (Scintillation Detector) is an ionizing radiation detector that uses the flash of ionizing radiation in certain substances to detect, including solid scintillator detectors and liquid scintillator detectors. At present, the structure of a solid-state scintillator detector unit commonly used in computed tomography equipment, digital X-ray photography systems, and other medical equipment includes: a scintillator containing a reflective layer, an optical coupling glue, and a photodiode (or other photosensitive components), for details, please refer to figure 1 Schematic diagram of the side-view structure of the scintillation detector shown. [0003] Specifically, the working principle of the scintillation detector is as follows: the photons radiated by X-...

Claims

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Application Information

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IPC IPC(8): G01T1/202A61B6/00
CPCA61B6/4216A61B6/4266G01T1/202
Inventor 周铖龙
Owner SHANGHAI UNITED IMAGING HEALTHCARE