Abstract
When the time to clear vision is used as an indicator of mist resistance, we found that the low energy electron beam irradiation enhanced the mist resistance for sapphire lens surface setting on endoscope top. In order to explain the mist resistance by low energy electron beam irradiation, influences of electron beam irradiation on surface conditions were investigated. The electron beam irradiation increased the surface energy. Based on the results of X-ray photoelectron spectroscopy, the electron beam irradiation enhanced the bonding rates of -C-O- and -C-O-O- and decreased -C-C- bonding rate. Thus, the electron beam irradiation decreased contact angle of sessile water drop and increased surface energy, resulting in generating mist resistance of the treatment.
