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Energy-resolved x-ray imagingapparatus and method

An energy resolution and equipment technology, applied in the field of energy resolution X-ray imaging, can solve the problems of high manufacturing process requirements and small HgTe band gap

Pending Publication Date: 2021-09-07
THE UNIVERSITY OF HONG KONG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, although HgTe has a high absorption coefficient and charge mobility, the bandgap of HgTe is small and the fabrication process is demanding

Method used

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  • Energy-resolved x-ray imagingapparatus and method
  • Energy-resolved x-ray imagingapparatus and method
  • Energy-resolved x-ray imagingapparatus and method

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Embodiment Construction

[0020] The detailed description, which follows, published in conjunction with the accompanying drawings, is intended as an illustration of various configurations and is not intended to represent the only configurations in which the concepts described herein may be practiced. The detailed description includes specific details for the purpose of providing a thorough understanding of various concepts. It will be apparent, however, to one skilled in the art that these concepts may be practiced without these specific details. In some instances, well-known structures and components are shown in block diagram form in order to avoid obscuring the concepts. Although various aspects and embodiments are described in this application by way of illustration of a few examples, those skilled in the art will appreciate that additional implementations and use cases may arise in many different arrangements and scenarios.

[0021] Aspects of the present disclosure provide a direct conversion X-...

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Abstract

An energy-resolved X-ray imaging apparatus and a method for electromagnetic irradiation imaging are provided. The apparatus includes one or more pixels, each pixel including a plurality of detector cells (202) arranged in a row (206) extending in a row direction. The row (206) is configured to receive photons (204) at an incident surface (208) at one end of the row (206), and the received photons (204) penetrate the plurality of detector cells (202) in the row direction. The plurality of detector cells (202) of the same row (206) are configured to generate respective signals that collectively indicate an energy-resolved spectral profile of the photons (204) based on the penetration of the photons (204) into the row (206) of detector cells (202).

Description

technical field [0001] The techniques discussed below relate generally to energy-resolved X-ray imaging, and in particular to the construction of image sensors for providing energy-resolved X-ray imaging. Background technique [0002] X-ray technology has a wide range of applications in basic science (eg, material science, molecular biology, etc.), security inspection, and medical diagnostic imaging. X-rays generally refer to photon energies ranging from 10 2 Electron volts (eV) to 10 6 eV, corresponding to a wavelength of 10 0 to 10 -3 A class of electromagnetic waves in nm. Since the energy of X-ray photons is several orders of magnitude higher than that of outer shell electrons, X-ray photons experience a smaller light-matter scattering cross-section than infrared and visible light, resulting in a greater penetration depth. Therefore, X-rays can be used for non-destructive structure / material analysis and medical imaging. X-ray detectors can be used to convert high-e...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/202H01L31/119
CPCG01T1/242G01T1/2928H01L31/115G01T1/243H01L31/119
Inventor 崔晓冬杨春雷
Owner THE UNIVERSITY OF HONG KONG