Use as heat becomes the window that resembles a system, lens, outside usable Yu Zhonggong (3-5um) outside He Yuangong (8-12um) wave band; Use as the output window of high-power laser, have absorb the good point with extremely low coefficient, it is the material of first selection window of laser of CO2 of 10 thousand made of baked clay class. Fiber-optic with 4 chloridize germanium (GeCl4) Use at the additive of optical fiber, preparation germanium alkyl, extension grows, also can use at preparation high pure 2 oxidation germanium, organic germanium. High pure 2 oxidation germanium (GeO2) Use at producing germanium of tall pure metal, activator, the growth of BGO crystal PET colophony additive, also can use at producing organic germanium. High pure and organic germanium (Ge-132) Use at drink of pharmacy, health care, cosmetic to wait. Ball of germanium radical alloy The adulterant that applies in semiconductor material preparation or the foreign matter source of the diffusion technique in be being used at semiconductor component preparation. Product of optical plated film Product of optical plated film can be used extensively at optical polarization implement, reach spectroscopic, filter, infra-red window, high instead add fully optical lens to wait.
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