光掩模 meaning in Chinese

optical mask
photomasking

Specification for round quartz photomask substrates
圆形石英玻璃光掩模基板规范
Specification for registration marks for photomasks
光掩模对准标记规范
Chrome thin films for hard surface photomasks
硬面光掩模用铬薄膜
Guidelines for photomask defect classification and size definition
光掩模缺陷分类和尺寸定义的准则
Hard surface photomask substrates
硬面光掩模基板

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