Scintillation ceramic array and preparation method thereof

A technology of scintillation ceramics and arrays, applied in scintillation elements, measuring devices, instruments, etc., can solve the problems of low light output, low reflectivity of the side glue of a single die, X-ray crosstalk, etc., to reduce penetration, improve Light output performance, improve the effect of reflection

Inactive Publication Date: 2018-06-01
宁波虔东科浩光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In general, it has the following disadvantages: 1. The reflectivity of the side adhesive of a single

Method used

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  • Scintillation ceramic array and preparation method thereof
  • Scintillation ceramic array and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Ceramic scintillator Ce 0.005 (Lu 0.1 Y 0.9 ) 2.995 (Al 0.4 Ga 0.6 ) 5 o 12 As a basic element, the Ag metal reflective layer with a thickness of 0.01mm is plated on the side, and the epoxy resin reflective layer with a thickness of 0.5mm is plated on the top surface.

[0029] The preparation method is as follows: the ceramic material of the basic element is cut into single cuboid crystal grains by mechanical processing method, the side of the crystal grain is plated with Ag with a thickness of 0.01 mm by chemical deposition method, and the Ag reflective layer is plated on multiple sides. The scintillator primitives are respectively arranged into an array structure by using combined screening plates, and then imported as figure 2 In the positioning coupling mold shown, epoxy resin with reflective medium is poured into the gaps between multiple scintillator elements, and finally cured, and the epoxy resin on the top surface is ground to 0.5mm, and the bottom ligh...

Embodiment 2

[0031] Ceramic scintillator Ce 0.005 (Lu 0.1 Y 0.9 ) 2.995 (Al 0.4 Ga 0.6 ) 5 o 12 As a basic unit, the Ag metal reflective layer with a thickness of 0.05mm is plated on the side, and the epoxy resin reflective layer with a thickness of 0.5mm is plated on the top surface.

[0032] The preparation method is as follows: the ceramic material of the element is cut into single cuboid crystal grains by mechanical processing method, the side of the crystal grain is plated with Ag with a thickness of 0.05 mm by chemical deposition method, and the Ag reflective layer is plated on multiple sides. The scintillator primitives are respectively arranged into an array structure by using combined screening plates, and then imported as figure 2 In the positioning coupling mold shown, epoxy resin with reflective medium is poured into the gaps between multiple scintillator elements, and finally cured, and the epoxy resin on the top surface is ground to 0.5mm, and the bottom light-emittin...

Embodiment 3

[0034] Ceramic scintillator Eu 0.015 (Lu 0.1 Gd 0.9 ) 3.3 (Al 0.6 sc 0.4 ) 4.685 o 12 As a primitive, the side is coated with a Pt metal reflective layer with a thickness of 0.05mm, and the top is coated with a 0.5mm epoxy resin reflective layer.

[0035] Its preparation method is as follows: the ceramic material of the basic element is cut into single cuboid crystal grains by mechanical processing method, 0.05mm of Pt is plated on the sides of the crystal grains by chemical deposition method, and multiple sides are plated with Pt of the same thickness to reflect The scintillators of each layer are arranged into an array structure by using combined screening plates, and then imported into figure 2 In the positioning coupling mold shown, the epoxy resin with reflective medium is poured into the gaps between multiple scintillator elements, and finally cured, the top epoxy resin is ground to 0.5mm, and the bottom light-emitting surface is polished. Polish to obtain the d...

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Abstract

The invention discloses a scintillation ceramic array and a preparation method thereof. The method includes the steps of obtaining single cuboid ceramic crystal grains through a mechanical processingmethod, and then plating a metal reflection layer on the side surfaces of the cut crystal grains, plating the top surfaces with an epoxy resin reflecting layer, arranging the crystal grains into an array structure through a positioning coupling mold, then pouring a bonding agent into a gap between the crystal grains, and binding the crystal grains into a required scintillation ceramic array. In this way, x-ray interference between different crystal grains is reduced, and the light output performance of the scintillator array is improved.

Description

technical field [0001] The invention relates to the technical field of scintillating materials, in particular to a scintillating ceramic array and a preparation method thereof. Background technique [0002] Scintillation material is an energy conversion body that can convert incident high-energy rays or charged particles into ultraviolet or visible light. When irradiated by high-energy rays, the scintillation material emits fluorescence, which is received by the photoelectric conversion system and converted into electricity. After the signal is processed by the electronic circuit, it can be indicated on the indicator. Using the super penetrating ability of high-energy rays, detectors composed of scintillation materials are widely used in many fields such as high-energy physics and nuclear physics experiments, imaging nuclear medicine, industrial CT online detection, oil well exploration, safety inspection and anti-terrorism. A functional material closely related to life. ...

Claims

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Application Information

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IPC IPC(8): G01T1/00
CPCG01T1/003
Inventor 江亚林秦海明王新佳
Owner 宁波虔东科浩光电科技有限公司
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