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Radial detector

A radiation detector and electrode technology, which is applied in the field of radiation detection, can solve the problems of low resolution and low radiation sensitivity, and achieve the effects of high sensitivity, high sensitivity, and improved sensitivity and detection efficiency

Active Publication Date: 2015-07-22
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In detector systems such as single photon emission tomography (SPECT) and positron emission tomography (PET), due to the scintillator structure, the detector has the characteristics of high detection efficiency and sensitivity to radiation, but its resolution is low
[0003] The resistive plate chamber structure detector has high resolving power, but its sensitivity to radiation is low

Method used

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Embodiment Construction

[0013] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0014] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating ...

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Abstract

The invention discloses a radial detector. The radial detector comprises a resistive board chamber, a flashing body and a photoelectric cathode. The resistive board chamber comprises first electrode glass, and the photoelectric cathode is arranged on the first electrode glass. The flashing body is arranged outside the resistive board chamber. The radial detector is high in sensitivity and position resolving power, capable of strengthening quanta, low in cost and applicable to detector systems such as SPECT (single-photon emission computed tomography) and PET (positron emission tomography).

Description

technical field [0001] The invention belongs to the field of radiation detection, in particular to a radiation detector. Background technique [0002] In single photon emission tomography (SPECT) and positron emission tomography (PET) detector systems, due to the scintillator structure, the detector has the characteristics of high detection efficiency and sensitivity to radiation, but its resolution is low. [0003] The resistive plate chamber structure detector has high resolving power, but its sensitivity to radiation is low. Contents of the invention [0004] The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention provides a radiation detector. [0005] A radiation detector in a preferred embodiment of the present invention includes a resistive plate chamber, a scintillator, and a photocathode, the resistive plate chamber includes a first electrode glass, and the photocathode is arranged on...

Claims

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Application Information

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IPC IPC(8): G01T1/164G01T1/29
Inventor 王义李元景郭宝鸿刘超蒲海
Owner TSINGHUA UNIV
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