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日本昭和电工从美国进口ZnSe和ZnS等红外用光学材料并开始销售。硒化锌用作二氧化碳激光镜,光学窗部件,用途比较广泛。4～5年后,预计销售额达40～50亿日元。
Showa Denko Japan imported infrared optical materials such as ZnSe and ZnS from the United States and began selling them. Zinc selenide is used as a carbon dioxide laser mirror. The optical window components are widely used. After 4 to 5 years, sales are expected to reach 4 to 5 billion yen.