New chip allows mobile phone to see through wall clothes

Close-up viewing of complementary metal oxide semiconductor chips, which is a new version of commonly used chips, allows users to see through walls or even human bodies and capture internal images.

See-through device? At present, its design use is limited to a narrow range. It works with a normal-sized microchip and is installed in mobile phones or other handheld electronic devices.

On April 25th, Beijing time, scientists designed a mobile phone that works like a "see-through", and the superpowers in comic books may soon become a reality. A high-tech chip allows the phone to "see through" walls, wood and plastics, as well as through clothing and other textiles.

Doctors can use these imagers to examine the inside of the human body and look for malignant tumors without using destructive X-rays or large and expensive MRI scanners. The researchers said the chip could enable a do-it-yourself to detect pillars in a wall or allow business people to check counterfeit banknotes. Right now, its design uses are limited to a narrow range. It works with a normal-sized microchip and is installed in mobile phones or other handheld electronic devices.

This research team has targeted research in an area that has never been used before-the electromagnetic spectrum. This is a wavelength range that will weaken between microwave and infrared. Its terahertz band is not yet available for most consumer devices. Dr. Kenneth Ou, a professor of electrical engineering at the University of Texas at Dallas, said: "We have made a major breakthrough in the field of electromagnetic spectrum that has never been used before, which has found a way for consumers to use and life-saving medical applications. The terahertz range is full of unlimited potential and can benefit all of us. "

With this new method, it is possible to produce images with signals in the terahertz range without having to use several lenses in one device. This can reduce the overall size and cost. The second step for these researchers is to apply these findings to consumer devices and develop technologies to create such microchips.

The chips are manufactured using complementary metal oxide semiconductor technology, which is the basis of many consumer electronic devices used in daily life, such as personal computers, smart phones, high-definition televisions, and game consoles. Kenneth said: "Complementary metal oxide semiconductors are not expensive and can be used to manufacture many chips. The combination of complementary metal oxide semiconductors and terahertz means that you can put this chip and receiver on the back of the phone and turn it into A new device that can be put in a pocket and can see through objects. "

Considering privacy issues, Kenneth and his research team focused on the range of its use distance, and controlled it within a range of less than 4 inches (about 10 cm). Consumer applications for this technology may range from finding pillars in walls to identifying important documents. It can be used commercially to detect counterfeit banknotes. Manufacturing companies can use it for process control. Terahertz has more uses on communication channels than wireless communication, so information on this frequency can be shared more quickly. Terahertz can also be used in the field of imaging to detect malignant tumors, diagnosis of diseases through respiratory analysis, monitoring of air toxicity, etc.

Kenneth, who holds the Texas Instruments Special Lecture Center, said: "Through this technology, you can do all kinds of things, but now we have not considered so much." They proposed this at the recent International Solid State Circuit Conference Research. Next, these researchers will create a complete and effective full-working imaging system based on the complementary metal oxide semiconductor terahertz system.

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