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本文叙述了在可见光谱范围内,有相对通带为0.002～0.003、最大透过率为75～80％和背景小于0.1％的稳定的耐热干涉滤光片,它是用阴极溅射的方法采用钛和硅的氧化物混合膜层时制得的。
This article describes a stable heat-resistant interference filter having a relative pass band of 0.002 to 0.003, a maximum transmittance of 75 to 80% and a background of less than 0.1% in the visible spectrum, which is a method of sputtering It is made using a mixture of titanium and silicon oxide.