Multi-spectral and phase contrast X-ray detectors for advanced radiation imaging applications

适用于高级辐射成像应用的多光谱和相衬 X 射线探测器

• 批准号: RGPIN-2019-04063
• 负责人: Karim, KarimSallaudin
• 金额: $ 4.66万
• 依托单位: University of Waterloo
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2020
• 资助国家: 加拿大
• 起止时间: 2020-01-01 至 2021-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=714123
• 关键词: Multi; spectral; phase; contrast; ray

X-ray detectors represent a $2B USD market globally that is growing at almost 10% CAGR with the increasing adoption of digital X-ray technology into the mainstream. X-ray detectors are critical enabling components in the medical, industrial, security, automotive, aerospace, manufacturing, food processing and defense sectors. However, X-ray imaging has fundamentally not changed for over 100 years since Roentgen discovered them. The objective of the proposed research is to enable a new generation of X-ray detectors for multi-spectral and phase contrast X-ray imaging, two exciting approaches to X-ray imaging that help discriminate between materials and visualize low density materials, respectively. Material discrimination and low density materials imaging (e.g. soft tissue) are both well-known weaknesses of traditional X-ray imaging. The research objective will be accomplished by creating new radiation detectors using a variety of circuit, device and process techniques, all the while using industry standard fabrication processes to ensure a rapid transition out of the research and into the market. The PI has already considerable experience translating high tech research from the lab to a start-up company, KA Imaging, that he co-founded. Other merits of the proposed research include leveraging well-established large area electronics fabrication infrastructure and the mature silicon circuit design techniques developed over the past three decades. All design, fabrication and test will occur at the Waterloo Giga-to-Nano Electronics Lab, a facility that is unique in North America in its ability to build and characterize complete prototype X-ray detectors. This research will address the critical bottlenecks that have been holding multi-spectral and phase contrast X-ray detection technology from entering the mainstream. The significant industrial activity associated with digital X-ray serves to underscore the critical nature of the technology. Although dwarfed by giants such as General Electric south of the border and Philips and Siemens in Europe, Canada has a growing presence in the X-ray detector market. For example, Analogic Canada Corporation makes high resolution detectors for mammography and security and is headquartered in Montreal, Quebec while another, Teledyne DALSA Imaging Corporation makes real-time X-ray detectors for medical and industrial sectors and is based in Waterloo, Ontario. Redlen Corporation from Vancouver, British Columbia is applying its Cadmium Zinc Telluride detector for medical Computed Tomography and security while KA Imaging, a University of Waterloo startup company is now bringing unique multi-spectral X-ray detector technology to market for medical, industrial, and security applications. The proposed research seeks to innovate new technology and to inspire and train talented individuals necessary for this sector and the associated Canadian companies to grow and come into their prime as large, global players.

x射线探测器代表着全球20亿美元的市场，随着数字x射线技术越来越多地成为主流，该市场正以近10%的复合年增长率增长。x射线探测器是医疗，工业，安全，汽车，航空航天，制造，食品加工和国防部门的关键组件。然而，自从伦琴发现x射线后的100多年里，x射线成像从根本上没有改变。这项研究的目的是使新一代的x射线探测器能够用于多光谱和相衬x射线成像，这是两种令人兴奋的x射线成像方法，分别有助于区分材料和可视化低密度材料。材料识别和低密度材料成像（如软组织）都是传统x射线成像众所周知的弱点。