What kind of technology is X-ray screening for security?

Safety inspection is one of the contents of safety inspection in public places. All people and their belongings must be checked when they pass by, which is also one of the important precautions for passengers' personal safety. Therefore, X-ray screening technology has been widely used and developed rapidly in this field. X-ray screening technology is very good, but there are also some unsafe factors, such as radiation. So, what kind of technology is safe X-ray screening technology? Here we give a brief introduction, hoping to help you better understand the X-ray screening technology and its related knowledge.

The main points are as follows：

✉ What is X-ray

✉ Application of X-ray screening technology

✉ Safe X-ray inspection technology

✉ In conclusion

What is X-ray

X-ray is produced in a high vacuum X-ray tube, which is the result of the interaction between high-speed electrons and anode targets. X-ray is a kind of electromagnetic radiation with wavelength between ultraviolet and gamma rays. It is produced by electron transitions in atoms between two levels. Its wavelength is very short, ranging from 0.01 to 100 A. It was discovered by W. K. Rontgen, a German physicist, in 1895, so it is also known as the Rontgen ray. Roentgen ray has a high penetration ability, it can penetrate many materials which are not transparent to visible light, such as ink paper, wood and so on. This invisible light can cause visible fluorescence of many solid materials, making photographic negatives sensitive and comparable to air ionization.

Application of X-ray screening technology

So what are the applications of X-ray screening in various fields?

(1) Medicine

The application of X-ray in medical diagnosis is mainly based on X-ray penetration, differential absorption, photos ensitivity and fluorescence. Because X-rays are absorbed in varying degrees when passing through the human body, for example, the amount of X-rays absorbed by bones is larger than that absorbed by muscles, and the amount of X-rays after passing through the human body is different, it is easy to carry the density distribution information of various parts of the human body, and the fluorescence or sensitivity produced on the fluorescent screen or photographic film is very strong. Weaknesses vary greatly, so shadows of different densities will be displayed on the screen or on photographic film (after development and fixation). According to the contrast of shadows, combined with clinical manifestations, laboratory results and pathological diagnosis, we can judge whether a part of the human body is normal.

(2) Safety inspection

At the airport, X-rays are used to check passengers for dangerous goods. When the package passes through the machine, the contents of the package will be displayed on the screen. Therefore, we must take care not to carry dangerous goods in flight, so as not to cause many unnecessary troubles.

(3) Scientific research

In ancient Egypt, in order to prevent the body from decaying, people wrapped it in cloth. It should be known that these cloth-wrapped bodies are called mummies. Modern scientists can observe the inside of cloth-wrapped corpses by X-ray, which provides considerable help for scientific research.

(4) Industrial flaw detection

In addition, X-ray plays an important role in industry. It can be used in industrial flaw detection. It is used to check whether the new metal parts produced have sand holes, cracks, defects and other problems that are easily ignored by human beings. It has greatly promoted the development of industrial society and made scientific and technological products more refined and easy to use.

Safe X-ray inspection technology

Although X-ray has brought many benefits to our life, there are some risk factors in the process of using it. So what technology is safe for X-ray screening?

(1) In recent years, medical imaging has made rapid progress. The application of X-ray screening technology in medicine is also one of the important milestones in the development of medicine. This technology has brought tremendous benefits to human health. But at the same time, in the inspection process, often accompanied by some radiation. Therefore, we should implement the rationalization principle under the X-ray setting, use X-ray reasonably for diagnostic examination, reduce all unnecessary irradiation, and do a good job of corresponding protection, so as to become a safe X-ray inspection technology.

(2) When conducting safety checks, it is best not to allow pregnant women or unhealthy persons to undergo comprehensive safety X-ray screening, as they may be harmed by X-ray radiation.

(3) X-ray inspection work should also have a set of perfect operating rules and procedures to standardize and standardize X-ray screening work. In addition, the relevant operators should strictly abide by the operating rules and regulations in order to avoid unnecessary safety accidents caused by illegal operations. In this way, X-ray screening technology will be relatively safe.

In conclusion

Therefore, the discovery of X-ray detection technology is a great progress in our science and technology, and has a great impact on our lives. Therefore, when using this technology, we need to pay attention to some related security issues in order to use it safely. If you want to know about X-ray screening technology or safety equipment based on X-ray screening technology, please consult us, we are happy to answer for you.