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Detector, method of making the same, and emission imaging device having the same

A manufacturing method and detector technology, which can be applied to instruments, measuring devices, scientific instruments, etc., can solve the problems of increasing crystal decoding errors, difficult to control precision, and affecting the imaging quality of the system, so as to reduce the impact, control the decoding errors, The effect of increasing the spatial resolution of an image

Active Publication Date: 2017-11-14
DONGGUAN SONGSHAN LAKE SOUTHEN MEDICAL UNIV SCI & TECH PARK CO LTD
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Problems solved by technology

[0007] Considering the above factors, the processing of the detector is very difficult and the accuracy is difficult to control
Insufficient processing and assembly precision usually cause a significant increase in crystal decoding errors, seriously affecting the imaging quality of the system

Method used

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  • Detector, method of making the same, and emission imaging device having the same
  • Detector, method of making the same, and emission imaging device having the same
  • Detector, method of making the same, and emission imaging device having the same

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Embodiment Construction

[0049] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

[0050] In order to provide a thorough understanding of the present invention, the detailed structure will be set forth in the following description. Obviously, the embodiments of the invention are not limited to specific details familiar to those skilled in the art. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments besides these detailed descriptions.

[0051] The present invention provides a detector for an emission imaging device. Such as Figure 2A-2B As shown, the detec...

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Abstract

The invention provides a detector, a manufacturing method thereof and an emission imaging device with the detector. The detector includes: a grid mold including a plurality of transverse walls and a plurality of longitudinal walls and a peripheral frame surrounding them laterally, the transverse walls and the longitudinal walls are arranged crosswise in the transverse direction and the longitudinal direction respectively to form in the peripheral frame A plurality of grid grooves arranged in a matrix; the crystal layer includes a plurality of scintillation crystals arranged in a matrix, and a plurality of scintillation crystals are respectively fixed in a plurality of grid grooves in a one-to-one correspondence with a plurality of grid grooves, and more The top surface of a plurality of transverse walls and a plurality of longitudinal walls is not lower than the top surface of the crystal layer; the solid light guide layer is arranged on the top surface of the crystal layer and is provided with a slot therein, and the height of the plurality of transverse walls and a plurality of longitudinal walls The part on the crystal layer is inserted into the slot. Effectively control crystal decoding errors and improve image spatial resolution of emission imaging devices.

Description

technical field [0001] The present invention relates to an emission imaging system, in particular to a detector for an emission imaging device and a manufacturing method thereof, and also to an emission imaging device with the detector. Background technique [0002] Emission imaging technologies such as Positron Emission Tomography (PET) and Single-Photon Emission Computed Tomography (SPECT) have been used in medical diagnosis, pathology research, pharmacology research, drug development and other fields. [0003] Taking positron emission imaging as an example, it uses the phenomenon that the positrons produced by the decay of positron isotopes and the negative electrons in the human body have an annihilation effect. The detector is used to detect the gamma photons produced by the annihilation effect to obtain the distribution information of isotopes in the human body, and the computer performs reconstruction and combination operations to obtain a three-dimensional tomograph...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01T1/202
Inventor 石涵许剑锋彭旗宇
Owner DONGGUAN SONGSHAN LAKE SOUTHEN MEDICAL UNIV SCI & TECH PARK CO LTD
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