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Radiation image sensor and scintillator panel

A radiographic image and image sensor technology, applied in X-ray equipment, instruments, scientific instruments, etc., can solve the problems of insufficient strength and difficulty in forming a moisture-proof structure, and achieve the effect of ensuring strength and being easy to manufacture

Inactive Publication Date: 2003-01-29
HAMAMATSU PHOTONICS KK
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Problems solved by technology

[0004] However, the technologies disclosed in JP-A-5-196742 and JP-A-5-242841 are not easy to form a moisture-proof structure.
Although the techniques disclosed in International Publication No. WO98 / 36290 and No. 36291 solve this type of problem, they do not seem to have sufficient strength

Method used

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  • Radiation image sensor and scintillator panel
  • Radiation image sensor and scintillator panel
  • Radiation image sensor and scintillator panel

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Embodiment Construction

[0021] The best embodiment of the present invention will be described in detail below with reference to the accompanying drawings. In order to facilitate understanding of this description, the same reference numerals are attached to the same components as much as possible in each drawing and their repeated descriptions are omitted. In addition, the dimensions and shapes in each drawing are not necessarily consistent with the actual situation. For easy understanding, Some parts have been enlarged.

[0022] figure 1 is a sectional view of the first embodiment of the radiation image sensor of the present invention, figure 2 Yes figure 1 An enlarged view of part of the image 3 Yes figure 1 top view.

[0023] The solid-state imaging element 1 of this radiation image sensor 9 is formed by two-dimensionally arranging light-receiving elements 12 that perform photoelectric conversion on an insulating substrate 11 made of glass, for example, to form a light-receiving portion. Th...

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Abstract

A radiation image sensor comprises an image sensor (1) including a one- or two-dimensional array of photodetector elements (12); needlelike scintillators (2) formed on the photodetector surface of the image sensor (1) and adapted to convert radiation into light of wavelength detectable by the image sensor (1); a protective film (3) formed in close contact over the needlelike scintillators (2); a frame (6) arranged around and away from the scintillators and adapted to fix the protective film onto the image sensor (1); and a radiation-transparent reflector (4) fixed by the frame (6) and opposed to the image sensor across the protective film (3).

Description

technical field [0001] The present invention relates to an image sensor for detecting radiographic images used in medical treatment and the like, and a scintillator panel for converting a radiological image into an optical image detectable by the image sensor. technical background [0002] Medical and industrial X-ray photography has traditionally used X-ray photosensitive film, but in consideration of convenience and preservation of photographic effects, radiation imaging systems using radiation detection elements are becoming popular. In such a radiation imaging system, a radiation detection element having a plurality of pixels is used to obtain two-dimensional image data generated by radiation as an electrical signal, and the signal is processed by a processing device and displayed on a monitor. In a typical radiation detection element, a scintillator is arranged on a one-dimensional or two-dimensional array of photosensors, and the incident radiation is converted into vi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/20G01T1/24H05G1/64
CPCG01T1/2018G01T1/20189G01T1/20
Inventor 铃木孝治
Owner HAMAMATSU PHOTONICS KK
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