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    • 62. 发明申请
    • MANUFACTURING METHOD OF GRATING
    • 制造方法
    • US20130105438A1
    • 2013-05-02
    • US13658029
    • 2012-10-23
    • ZHEN-DONG ZHUQUN-QING LILI-HUI ZHANGMO CHEN
    • ZHEN-DONG ZHUQUN-QING LILI-HUI ZHANGMO CHEN
    • B44C1/22H05H1/24
    • G02B5/1857B82Y10/00B82Y40/00G02B5/18G02B5/1809G03F7/0002G03F7/095G03F7/70691H01L33/508
    • The disclosure relates to a method for making a grating. The method includes the following steps. First, a substrate is provided. Second, a photoresist film is formed on a surface of the substrate. Third, a nano-pattern is formed on the photoresist film by nano-imprint lithography. Fourth, the photoresist film is etched to form a patterned photoresist layer. Fifth, a mask layer is covered on the patterned photoresist layer and the surface of the substrate exposed to the patterned photoresist layer. Sixth, the patterned photoresist layer and the mask layer thereon are removed to form a patterned mask layer. Seventh, the substrate is etched through the patterned mask layer by reactive ion etching, wherein etching gases includes carbon tetrafluoride (CF4), sulfur hexafluoride (SF6) and argon (Ar2). Finally, the patterned mask layer is removed.
    • 本公开涉及一种制造光栅的方法。 该方法包括以下步骤。 首先,提供基板。 其次,在基板的表面上形成光致抗蚀剂膜。 第三,通过纳米压印光刻在光致抗蚀剂膜上形成纳米图案。 第四,蚀刻光致抗蚀剂膜以形成图案化的光致抗蚀剂层。 第五,在图案化的光致抗蚀剂层和暴露于图案化光致抗蚀剂层的基板的表面上覆盖掩模层。 第六,图案化的光致抗蚀剂层和其上的掩模层被去除以形成图案化掩模层。 第七,通过反应离子蚀刻蚀刻通过图案化掩模层的衬底,其中蚀刻气体包括四氟化碳(CF 4),六氟化硫(SF 6)和氩(Ar 2)。 最后,去除图案化的掩模层。