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A millimeter wave scanner is a whole-body imaging device used for detecting objects concealed underneath a person’s clothing using a form of electromagnetic radiation. Typical uses for this technology include detection of items for commercial loss prevention , smuggling , and screening for weapons at government buildings and airport security ...
Full body scanner in millimeter wave scanners technique at Cologne Bonn Airport Image from an active millimeter wave body scanner. A full-body scanner is a device that detects objects on or inside a person's body for security screening purposes, without physically removing clothes or making physical contact.
Photo, L-3 Communications The Transportation Security Administration (TSA) is blaming math mistakes for elevated radiation levels recorded on some full-body scanners during routine maintenance at ...
The European Commission issued a report stating that backscatter x-ray scanners pose no known health risk, and that "assuming all other conditions equal", that backscatter x-ray scanners, which expose people to ionizing radiation, should not be used when millimeter-wave scanners that "have less effects on the human body" are available.
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Ionizing radiation is considered a non-threshold carcinogen, but it is difficult to quantify the risk of low radiation exposures. [133] Active millimeter wave scanners emit radiation which is non-ionizing, does not have enough energy to directly damage DNA, and is not known to be genotoxic. [134] [135] [136]
The CTX-9000 DSi is designed for integrated airport installations. Its 1-metre wide conveyor coordinates with standard airport baggage handling systems. The system's architecture utilizes modular components, helping to ease scanner upgrading and servicing. The scanner contains 4 active radiation-shielding curtains.
Another important factor is the distance between the worker and the source of radiation. In the case of arc welding, infrared radiation decreases rapidly as a function of distance, so that farther than three feet away from where welding takes place, it does not pose an ocular hazard anymore but, ultraviolet radiation still does. This is why ...