日本古河电工公司超弹性镍－钛形状记忆合金制造工艺取得专利权古河电气工业公司的超弹性镍－钛合金的基本制造方法取得专利。在日本国内，除占河电工以外，还有、大同特殊钢、、共立窑业原料等公司，都向市场供应镍－钛系材料，用户用这种材料加工制造成眼镜框架、妇女乳... Japan’s Furukawa Electric Company super-elastic nickel-titanium shape memory alloy manufacturing patent patented Furukawa Electric’s super-elastic nickel-titanium alloy manufacturing the basic patent. In Japan, apart from Zhahe Electrician, there are also companies such as Datong special steel and Kyoritsu Kiln raw materials, which supply nickel-titanium materials to the market. Users use this material to manufacture spectacle frames and women’s milk. ..