photomasks
美
英 
例句
The lithography room is lit with yellow light to avoid interference with the UV light used with the photomasks.
光刻室沐浴在黄色的灯光中,以避免对光掩膜中使用的紫外线造成干扰。
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