masking blade是什么意思

用法例句

According to the requirement for film thickness profile along the radius in the graded reflectivity mirror,which is used in the designed single transverse Nd∶YAG laser resonator,a designing method for mask is introduced,which is used for depositing graded reflectivity mirror.

针对所设计的单横模Nd∶YAG激光谐振腔对梯度反射率镜径向膜厚分布的要求,介绍了一种用于镀制梯度反射率镜的遮蔽挡板的设计方法。