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本专利介绍一种供人体探测器使用的无氧化物红外透镜,这种红外透镜采用一种无氧化物玻璃制作,其主要成分是锗和硫或者锗和硒。它可以在一种采用热释电红外传感器的人体探测器中使用。
This patent describes a non-oxide infrared lens for use with human detectors. The infrared lens is made of an oxide-free glass whose main constituents are germanium and sulfur or germanium and selenium. It can be used in a human body detector with a pyroelectric infrared sensor.