Water-blocking cesium iodide scintillation screen

A cesium iodide and scintillation screen technology, applied in the field of X-ray imaging, can solve the problems of reducing image resolution, affecting scintillator characteristics, etc., to achieve the effect of improving image resolution, improving service life, and preventing moisture

Inactive Publication Date: 2014-04-23
江苏龙信电子科技有限公司
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Problems solved by technology

At present, the most researched and applied inorganic scintillator is cesium iodide scintillator, but cesium iodide material is a hygroscopic material. When it absorbs moisture in the air and deliquesces, it will affect the characteristics of scintillator, especially the image resolution will be greatly improved. Therefore, it is an important research direction in the field of X-ray imaging technology to effectively encapsulate the scintillator, prevent it from getting wet and improve its stability.

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  • Water-blocking cesium iodide scintillation screen

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Embodiment Construction

[0013] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0014] see figure 1 , the embodiment of the present invention includes:

[0015] A water-blocking cesium iodide scintillation screen, comprising: a transparent substrate 1, a reflective layer 2 attached to the transparent substrate 1, a scintillator layer 3 deposited on the reflective layer 2, and a scintillator layer attached to the scintillator layer The waterproof film layer 4 on the 3 is also provided with a layer of transparent film layer 5 between the reflective layer 2 and the scintillator layer 3, and the scintillator layer 3 is cesium iodide crystal doped with thallium iodide, The transparent substrate 1 is glass, the reflective layer 2...

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Abstract

The invention discloses a water-blocking cesium iodide scintillation screen comprising a transparent substrate, a reflection layer attached to the transparent substrate, a scintillator layer deposed on the reflection layer and a water-blocking thin film layer attached to the scintillator layer. A transparent thin film layer is arranged between the reflection layer and the scintillator layer. The scintillator layer is thallium iodide-doped cesium iodide crystal; the transparent substrate is made of glass; the reflection layer is a silver film; the water-blocking thin film layer is an organic thin film layer; and the transparent thin film layer is an inorganic thin film layer. Through the above method, the water-blocking cesium iodide scintillation screen in the invention has excellent water-blocking and waterproofing effect, the stability of the scintillator layer is improved, and the service life of the scintillator layer is prolonged.

Description

technical field [0001] The invention relates to the technical field of X-ray imaging, in particular to a water-blocking cesium iodide scintillation screen. Background technique [0002] Inorganic scintillators play a very important role in the detection of X-ray radiation and are widely used in imaging nuclear medicine, nuclear physics, high-energy physics, CT and security inspection and other fields. At present, the most researched and applied inorganic scintillator is cesium iodide scintillator, but cesium iodide material is a hygroscopic material. When it absorbs moisture in the air and deliquesces, it will affect the characteristics of scintillator, especially the image resolution will be greatly improved. Therefore, it is an important research direction in the field of X-ray imaging technology to effectively encapsulate the scintillator, prevent it from getting wet and improve its stability. Contents of the invention [0003] The technical problem mainly solved b...

Claims

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Application Information

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IPC IPC(8): G21K4/00
Inventor 范波
Owner 江苏龙信电子科技有限公司
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