Industrial X-ray and gamma imaging involve the use of radiation to penetrate objects under inspection, with the detection of transmitted rays used to assess the internal condition of the object. This technique is one of the important non-destructive testing methods in the industrial field. It is commonly used to detect defects, internal structures, and physical properties of products. The detector is the core component of industrial X-ray and gamma imaging, serving as the "eyes" of the imaging equipment.
CZT detectors offer significant advantages in the application of industrial X-ray and gamma imaging. Firstly, they possess high spatial resolution, enabling accurate location and identification of internal defects and damage within workpieces, including the detection of fine cracks or pores, with pixel sizes down to the micrometer level. Secondly, they feature energy-resolved photon counting imaging, allowing for layered detection of workpieces based on different energy levels of radiation. This capability enables the detection and identification of objects with similar atomic numbers or densities and can achieve color imaging through energy marking. Additionally, CZT detectors have high detection efficiency, which can quickly complete inspection tasks, thereby enhancing production efficiency and product quality.
Given the aforementioned advantages, CZT can be widely applied in many industries. For example, in the non-destructive testing industry, it can be used to inspect the manufacturing quality and internal structure of aircraft components; in the food inspection field, it can be utilized to detect foreign objects and mold cores in food; in the ore sorting sector, it can be employed to differentiate ores of different densities; and in the electronics industry, it can be used to examine the manufacturing quality and internal structure of electronic components.
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