METHOD OF FORMING FINE PATTERN AND METHOD OF MANUFACTURING INTEGRATED CIRCUIT DEVICE USING THE METHOD
    3.
    发明申请
    METHOD OF FORMING FINE PATTERN AND METHOD OF MANUFACTURING INTEGRATED CIRCUIT DEVICE USING THE METHOD 有权
    形成微细图案的方法和使用该方法制造集成电路装置的方法

    公开(公告)号:US20160172187A1

    公开(公告)日:2016-06-16

    申请号:US14958072

    申请日:2015-12-03

    IPC分类号: H01L21/027 H01L21/311

    摘要: A method of forming a fine pattern includes forming pillar-shaped guides regularly arranged on a feature layer, forming a block copolymer layer on the feature layer around the pillar-shaped guides, phase separating the block copolymer layer, forming first domains regularly arranged on the feature layer with the pillar-shaped guides, forming a second domain on the feature layer surrounding the pillar-shaped guides and the first domains, removing the first domains, and forming holes corresponding with the first domains in the feature layer by etching the feature layer using the pillar-shaped guides and the second domain as etch masks. The block copolymer layer includes a polymer blend having first and second polymer blocks having first and second repeat units, respectively, a first homopolymer and a second homopolymer. The first domains include the first polymer block and the first homopolymer, and the second domain includes the second polymer block and the second homopolymer.

    摘要翻译: 形成精细图案的方法包括:形成规则排列在特征层上的柱状引导件,在柱状引导件周围的特征层上形成嵌段共聚物层,相分离嵌段共聚物层,形成规则排列在第 具有柱状引导件的特征层,在围绕柱状引导件和第一域的特征层上形成第二结构域,通过蚀刻特征层来去除第一区域并形成与特征层中的第一区域相对应的孔 使用柱形引导件和第二域作为蚀刻掩模。 嵌段共聚物层包括聚合物共混物,其具有分别具有第一和第二重复单元的第一和第二聚合物嵌段,第一均聚物和第二均聚物。 第一结构域包括第一聚合物嵌段和第一均聚物,第二结构域包括第二聚合物嵌段和第二均聚物。