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Solid detector array architecture in use for radiation imaging system

A detector array and radiation imaging technology, which is applied in the field of radiation detection, can solve the problems of not setting too thick heavy metal materials, insufficient ray interference and scattering, and narrow space, so as to increase the electromagnetic anti-interference performance, improve the ray anti-interference and the Anti-scattering ability, the effect of improving shock resistance

Active Publication Date: 2010-05-05
TSINGHUA UNIV +1
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Problems solved by technology

However, since the housing material of a single detector is stretched from a material with a low density and the space is narrow, heavy metal materials cannot be placed in it too thick, otherwise the dead zone will be too large, so the ray crossing and scattering are not reduced thoroughly

Method used

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  • Solid detector array architecture in use for radiation imaging system
  • Solid detector array architecture in use for radiation imaging system
  • Solid detector array architecture in use for radiation imaging system

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0013] See Figure 1 ~ Figure 4 The solid-state detector array structure of the present invention includes a plurality of scintillation crystals 4 formed of cesium iodide or cadmium tungstate and photodiodes 3 coupled thereto. Each scintillation crystal 4 and photodiode 3 are bonded and cured with optically transparent glue and coated with a reflective layer to form a single detector. The detectors are arranged in sequence, and partitions 9 made of heavy metal are isolated from each other and bonded and solidified. The bottom of each photodiode 3 is covered with an insulator 2 and its pin is extended. The partitions 9 and the insulators 2 are embedded on the metal slot plate 1 to form a detector array composed of multiple detectors. A lead plate 5 is laid on the detector array, and a sponge rubber layer 6 is placed on the lead plate 5. The metal cover 7 wh...

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Abstract

A solid detector array structure in radiation-imaging system is prepared as forming single detector by bind-solidifying each flash crystal with photoelectric diode and coating reflection layer on them, isolating and solidifying isolation plate being used to arrange detectors in sequence, jacketing insulator at bottom of each said diode, embedding isolation plate and insulator on metal groove plateto form detector array, covering lead plate and foamed rubber layer on said array and using metal shell to fix them on metal groove plate.

Description

Technical field [0001] The invention belongs to the field of radiation detection technology, and relates to a solid-state detector device used in an X and gamma radiation imaging system. Background technique [0002] In the prior art, Chinese patent 02286053.3 discloses a radiation imaging solid-state detector. The detector array composed of it has high detection efficiency and sensitivity, radiation resistance, anti-scattering, electromagnetic anti-disturbance capabilities, and environmental adaptation. It has the advantages of strong performance and zero scintillation interference. However, since the shell material of a single detector is stretched from materials with lower density and the space is narrow, too thick heavy metal materials cannot be set in it, otherwise the dead zone will be too large, and the ray interference and scattering will not be completely reduced. . Summary of the invention [0003] In order to solve the above-mentioned problems in the prior art, the pu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/04G01T1/202
Inventor 李元景张清军赵书清代主得李树伟
Owner TSINGHUA UNIV
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