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Sodium iodide or cesium iodide scintillator packing structure

A cesium iodide scintillator and packaging structure technology, which is applied to scintillation elements, measuring devices, photographic processes, etc., can solve the problems of slow film formation rate, insufficiently dense film, and high equipment investment, so as to improve reflectivity and prevent water vapor penetration. see-through effect

Inactive Publication Date: 2017-10-10
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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AI Technical Summary

Problems solved by technology

However, the equipment investment of chemical vapor deposition method CVD and vacuum sputtering method is very high
CVD and vacuum sputtering methods have slow film formation rate and low effective efficiency
The silicon dioxide SiO2 film formed by the vacuum sputtering method is not dense enough, and the water vapor penetration performance is not as good as that of bulk solid SiO2

Method used

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  • Sodium iodide or cesium iodide scintillator packing structure

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Embodiment Construction

[0026] The present invention is illustrated below by specific examples. Those skilled in the art can easily understand other advantages and functions of the present invention according to the content disclosed in the specification of the present invention. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0027] The invention provides a packaging method of sodium iodide or cesium iodide scintillator, such as figure 1 As shown, the packaging method at least includes the following steps:

[0028] A packaging structure of a sodium iodide or cesium iodide scintillator comprises: a metal aluminum shell 1; a reflective layer 3 filled in at least part of the inner surface of the metal shell 1 for reflecting visible light; A scint...

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Abstract

The invention proposes a sodium iodide or cesium iodide scintillator packing structure and the packing method thereof, wherein the packing method comprises the following steps: adhering the inner surface of a metal housing to the reflection layer; adhering the reflection layer to the sodium iodide or cesium iodide scintillator; placing seal glue at the threaded edges of the metal housing so that the seal glue is adhered to the outer surface of the metal housing; under a vacuum environment, pressing the optical coupling agent to the upper surface of the sodium iodide or cesium iodide scintillator layer to enhance the transmission rate of visible light; adhering the optical coupling agent to the lower surface of the reinforced glass layer wherein the circumference of the reinforced glass layer is all adhered to the seal glue and the seal glue is adhered to the metal housing. With the above method, the cost can be reduced; the seal performance, the light transmission rate and the light reflection rate can be increased; and the manufacturing cycle can be shortened.

Description

technical field [0001] The invention belongs to the technical field of nuclear radiation detection and inorganic luminescent materials, and relates to a method for improving the luminescence collection efficiency of cesium iodide-doped sodium CsI(Na) and sodium iodide-doped thallium NaI(Tl) crystals excited by gamma rays. In particular, it relates to a method for packaging radiation detectors based on CsI(Na) and NaI(Tl) crystals, a method for preparing gamma-ray pulsed radiation detection materials, and especially relates to a sodium iodide or cesium iodide scintillation body packaging structure. Background technique [0002] CsI(Na) and NaI(Tl) crystals are alkali metal halide inorganic scintillators, which are widely used in nuclear power plant radiation monitoring due to their high luminous efficiency, high atomic number, high detection efficiency for gamma rays, and good transparency. , deep space exploration, dark matter detection, medical equipment, cosmic ray explor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/00G21K4/00
CPCG01T1/003G21K4/00G21K2004/02
Inventor 刘芳郑皓欧阳晓平袁航
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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