Finally, a novel method to detect the profile of the multi-layer dielectric grating mask without any damage is put forward here.
最后论文提出了一种研究多层介质膜光栅掩模的无损检测方法。
Kohler illumination was used in proximity lithography, and a flys eye lens was adopted to form multi-point source in order to uniform the light intensity on the mask plane.
接近式光刻中一般采用柯勒照明系统，并采用蝇眼透镜形成多点光源均匀掩模面的光场分布。
The face mask consists of double-layer non-woven cloth in which filter layer, nose bridge bar and face mask belt is set, or is made of multi-layer medical absorbent gauze.
口罩由双层无纺布中间夹过滤层、鼻梁条和口罩带构成，或由多层医用脱脂纱布经缝制而成。
Still referring to FIG. 2, note that a power mask (PDN) is active for the entire multi-slot period.
仍然参考图2，注意在整个多时隙期间，功率屏蔽（PDN）始终是活动的。
Mask line Machining made of non-woven using high-quality, single and multi-chip packaging, and customers can request for sterilization.
面膜系采用优质无纺布加工制成，有单片和多片包装，并可按客户要求作灭菌处理。
Mask line Machining made of non-woven using high-quality, single and multi-chip packaging, and customers can request for sterilization.
面膜系采用优质无纺布加工制成，有单片和多片包装，并可按客户要求作灭菌处理。
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