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The hidden secrets of X-ray detectors: What do they reveal about our inner world?
X-ray detectors, this magical and important technical device, has gradually become an indispensable part of medical diagnosis and industrial testing since World War II. These devices not only measure the amount and spatial distribution of X-ray emission, but also provide important information about the internal structure of the body. Hidden behind these technologies is a fascinating world of science that reveals the mysteries of our bodies.
Basic principles of X-ray imaging
When an X-ray is taken with any type of image detector, a specific part of the patient is placed between the X-ray source and the image receptor. X-rays penetrate soft tissue but are partially blocked by dense tissue such as bones, resulting in shadows in the image.
X-ray images are actually based on the absorption capacity of different tissues to show the internal structure of the body.
X-ray imaging materials
Conventional X-ray film consists primarily of silver halide crystals. When they are exposed to radiation, the silver halides become ionized and the free electrons become trapped in defects in the crystal, forming a latent image. With the development of photosensitive materials, digital technology has gradually replaced traditional film, providing a more convenient option for medical photography.
Digital Imaging Technology
Digital imaging technology has gradually become popular since the 1990s. It can not only store more data, but also save physical storage space. With the progress of digitization, medical image recording has become more efficient, and the storage and retrieval of images has become more convenient.
Digitalization has not only changed the way we view our bodies, but has also greatly improved the accuracy of medical diagnoses.
Technical Advances in Modern X-ray Inspection
With the development of technology, solid-state detectors have gradually become an important choice in X-ray imaging. These detectors convert X-ray photons directly into electrical signals and generate digital images. This not only improves the quality of the images, but also reduces the need for manual scanning and development processes.
Different X-ray Inspection Technologies
Currently, there are many different types of X-ray detection technologies on the market, including gas detectors, silicon PN solar cells and self-developed radioactive salad sheets, each of which has its own unique application scenarios and advantages. .
These detection technologies not only play a role in the medical field, but also demonstrate their value in many fields such as industrial testing and environmental monitoring.
Application of X-rays in Medicine
X-rays have become an integral part of modern medicine, enabling clear images to be obtained from everything from examining bones to diagnosing problems with internal organs. As new technologies emerge, healthcare providers can more accurately assess patients.
Conclusion
Whether it is traditional X-ray imaging or advanced digital imaging technology, X-ray detectors have always played a key role in medical diagnosis. With the advancement of technology, more unexpected technologies and applications may appear in the future. Will this change our understanding of health and the body?
