Study for gaining detector sensitivity by making the detector in a long shape on the high performance PET detector which consists of semiconductor photo-detectors

在由半导体光电探测器组成的高性能PET探测器上将探测器制成长形以提高探测器灵敏度的研究

• 批准号: 23602017
• 负责人: INADAMA Naoko
• 金额: $ 3.33万
• 依托单位: National Institute of Radiological Sciences
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2011
• 资助国家: 日本
• 起止时间: 2011 至 2013
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23602017/
• 关键词: DOI検出器; PET検出器; シンチレータ; レーザー加工; MPPC

Positron emission tomography (PET) is a method to image distribution of substance in a body and often used in medical field. For example, specific accumulations observed in an image of glucose distribution indicate exist of tumors. Such PET image is obtained by injecting radioisotope (RI) of the substance and detecting the radiations from the RI at outside the body so that the image quality is much depends on performance of the radiation detectors. Our research team was developed the high performance PET detector which could be realized by recent popularization of small photo-detector devices. In this study, it was proved that, aiming for gaining the detector sensitivity, extension of the detector volume in one direction (a long shape) was possible with maintaining detector spatial resolution. Also, it was found that the new trials in fabrication, the use of plate scintillators for high yield rate and laser processing, were effective.

正电子发射断层扫描（PET）是一种物质中物质分布并经常用于医疗领域的方法。例如，在葡萄糖分布图像中观察到的特定积累表明存在肿瘤。通过注入物质的放射性同位素（RI）来获得这种PET图像，并检测体外外部RI的辐射，以便图像质量在很大程度上取决于辐射探测器的性能。我们的研究团队开发了高性能宠物探测器，该宠物探测器可以通过最近普及小型照片探测设备来实现。在这项研究中，事实证明，旨在获得检测器敏感性，在维持检测器空间分辨率的情况下，可能会向检测器体积扩展（长形）。同样，已经发现，制造新的试验，使用板闪烁体来高产量速率和激光处理，这是有效的。

项目成果

X'tal cube detector composed of a stack of scintillator plates segmented by laser processing

Xtal 立方体探测器由一堆通过激光加工分段的闪烁体板组成

• 发表时间: 2012
• 作者: Arun Prasath Lakshmanan;Watanabe K et al.;稲玉直子
• 通讯作者: 稲玉直子

レーザー分割シンチレータのクリスタルキューブPET検出器：３Ｄ加工法と２Ｄ加工法の比較

激光分光闪烁体晶体立方体PET探测器：3D和2D加工方法的比较

• 作者: Arumugam S;Watanabe K et al.;稲玉 直子
• 通讯作者: 稲玉 直子

Performance evaluation of the X'tal cube PET detector using a monolithic scintillator segmented by laser processing

使用激光加工分段的单片闪烁体对 Xtal 立方体 PET 探测器进行性能评估

• 发表时间: 2011
• 作者: Somasundaram Arumugam;Watanabe K et al.;稲玉直子
• 通讯作者: 稲玉直子

Study about position calculation for the DOI-PET detector 2nd SNU-NIRS Workshop on Nuclear Medicine Imaging Science and Technology

DOI-PET探测器位置计算研究第二届SNU-NIRS核医学成像科学与技术研讨会

• 作者: Arumugam S;Watanabe K et al.;Naoko Inadama
• 通讯作者: Naoko Inadama

X’tal Cube PET Detector Composed of a Stack of Scintillator Plates Segmented by Laser Processing

X’tal Cube PET 探测器由一堆激光加工分段的闪烁体板组成

• DOI: 10.1109/tns.2013.2293599
• 发表时间: 2014
• 期刊: IEEE transactions on nuclear science
• 影响因子: 1.8
• 作者: Naoko Inadama;Takahiro Moriya;Yoshiyuki Hirano;Fumihiko Nishikido;Hideo Murayama;Eiji Yoshida, Hideaki Tashima;Munetaka Nitta;Hiroshi Ito;and Taiga Yamaya
• 通讯作者: and Taiga Yamaya