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Radiation detecting element and radiographic imaging device

A radiation detection and radiation image technology, applied in the field of radiation image imaging devices, can solve the problem that a sensor cannot detect radiation exposure, etc., and achieve the effect of reliable detection

Active Publication Date: 2012-01-11
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Therefore, in the techniques described in Japanese Patent Laid-Open JP-A No. 2002-181942 and JP-A No. 2007-151761, since the area irradiated with radiation is set narrowly, there are cases where the sensor cannot detect the radiation irradiated.

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  • Radiation detecting element and radiographic imaging device

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Embodiment approach

[0038] In this exemplary embodiment, a case where the present invention is applied to the indirect conversion type radiation detection element 10 that first converts radiation such as X-rays into light and then converts the light into electric charges will be described.

[0039] figure 1 The overall structure of a radiation image imaging apparatus 100 using the radiation detection element 10 according to the present exemplary embodiment is shown.

[0040] Such as figure 1 As shown, the radiation image imaging apparatus 100 according to the present exemplary embodiment is configured with an indirect conversion type radiation detection element 10 . The scintillator, which converts radiation into light, is omitted.

[0041] A plurality of pixels 20 are provided in the radiation detection element 10 . Each pixel 20 is configured to include a sensor section 103 and a TFT switch 4 . The sensor unit 103 receives light, generates charges, and accumulates the generated charges. Th...

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Abstract

The present invention provides a radiation detecting element and a radiographic imaging device that may reliably detect radiation even when a region where radiation is irradiated is set narrowly. Namely, in the radiation detecting element and the radiographic imaging device of the present invention, plural pixels including radiographic imaging pixels and plural radiation detection pixels are disposed in a matrix in a detection region that detects radiation.

Description

technical field [0001] The present invention relates to a radiation detection element and a radiation image imaging device. In particular, the present invention relates to a radiation detection element having a plurality of pixels arranged in a matrix, in which charges generated due to irradiation of radiation are accumulated and the amount of the accumulated charges is detected as image information, and to using the radiation detection element in A radiographic imaging device for imaging radiographic images. Background technique [0002] In recent years, radiation image imaging apparatuses using radiation detection elements such as flat panel detectors (FPD: flat panel detector) including radiation-sensitive layer and is able to convert radiation such as X-rays directly into digital data. The advantage of FPD is that compared with conventional imaging panels, images can be checked instantly, and moving images can also be checked, and FPDs are rapidly gaining popularity. ...

Claims

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Application Information

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IPC IPC(8): G01T1/20
CPCH04N5/32G01T1/2006G01T1/16H04N25/30
Inventor 冈田美广
Owner FUJIFILM CORP
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