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Radiography measuring device and radiography measuring method

A technology of radiography and measurement devices, which is applied in the field of radiography measurement devices, and can solve the problems that neutrons and X-rays cannot be distinguished for measurement, etc.

Inactive Publication Date: 2010-03-10
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This phosphor is also used in an image intensifier for X-rays, and reacts in the same way when neutrons and X-rays or γ-rays are mixed together, and it is impossible to distinguish neutrons and X-rays for measurement

Method used

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  • Radiography measuring device and radiography measuring method
  • Radiography measuring device and radiography measuring method
  • Radiography measuring device and radiography measuring method

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Embodiment Construction

[0024] Hereinafter, embodiments of the details of the radiographic measurement apparatus and the radiographic measurement method of the present invention will be described with reference to the drawings.

[0025] figure 1 It is a diagram schematically showing the overall configuration of a radiographic measurement device according to an embodiment of the present invention. Such as figure 1 As shown, the radiography measuring device 1 has an image intensifier 2 . The image intensifier 2 has an incident window 20 through which radiation 3 enters, an electron lens 21 for focusing electrons generated in the incident window 20, and an output fluorescent surface 22 composed of a scintillator layer that emits light from the electrons focused by the electron lens 21. . The electron lens 21 is composed of a focusing electrode 25, an anode 26, and the like.

[0026] A reflector 4 and a camera 5 are provided behind the output fluorescent surface 22 of the image intensifier 2 , and th...

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Abstract

A neutron reactant layer (220) is coated directly in an aluminum substrate (200) of an incident window (20). A first scintillator layer (201) is formed in the neutron reactant layer (220), and a photoelectric conversion layer (202) is formed in the first scintillator layer (201). A neutron reactant layer (210) is formed of enriched boron carbide (<10>B4C) and generates an a ray from a neutron by a(n, alpha) reaction in the enriched boron. The a ray allows the first scintillator layer (201) to emit light.

Description

technical field [0001] The present invention relates to a radiographic measurement device and a radiographic measurement method used in radiography using radiation such as X-rays, γ-rays, and neutron rays. Background technique [0002] When radiation such as X-rays and γ-rays passes through a substance, the absorption and scattering are different depending on the type and shape of the constituent substances. If it is recorded as a photo, video, or digital file as an image, the damage state, change, and filling state of the substance can be grasped. This is generally applied by a method of diagnosing the internal state of the human body by forming radiographs with X-rays. This method of measuring the internal state without destroying the object or sample to be measured is called radiography or non-destructive radiography. [0003] In X-ray and γ-ray photography applied to medical diagnosis and / or non-destructive inspection for industrial use, an image intensifier (Image Int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T3/06G01T1/29H01J31/50
CPCG01T3/06H01J31/50G01T1/29H01J31/502H01J31/508H01J31/56H01J2231/50036H01J2231/50042H01J2231/50089H01J2231/5053
Inventor 日塔光一角川清春小长井主税
Owner KK TOSHIBA