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Although the guidelines have been issued for millimeter-waves to prevent excessive heating in tissue at or near the surface, there is not enough biological and medical knowledge on the thermal sensation by millimeter-waves. We investigated the dependence on spot size and exposure time to the threshold of the thermal sensation by 60 GHz millimeter-wave with five normal volunteers.
An exposure system for human provocation studies has been developed for the experiment on the effect of electromagnetic field exposure from mobile phone to the human sleep. The mobile phone, with an uplink of 1950 MHz, is configured to transmit the maximum output power of 250 mW. The results from the actual experiment for prolonged exposure of 3 hours have not shown any adverse effect of the EMF from...
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