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    • 8. 发明申请
    • PATTERN FORMING METHOD
    • 图案形成方法
    • US20120127454A1
    • 2012-05-24
    • US13239449
    • 2011-09-22
    • Hiroko NAKAMURAKoji AsakawaShigeki HattoriSatoshi TanakaToshiya Kotani
    • Hiroko NAKAMURAKoji AsakawaShigeki HattoriSatoshi TanakaToshiya Kotani
    • G03B27/32
    • G03F7/0002B81C1/00031B81C2201/0149B82Y10/00B82Y40/00
    • According to one embodiment, a pattern including first and second block phases is formed by self-assembling a block copolymer onto a film to be processed. The entire block copolymer present in a first region is removed under a first condition by carrying out energy beam irradiation and development, thereby leaving a pattern including the first and second block phases in a region other than the first region. The first block phase present in a second region is selectively removed under a second condition by carrying out energy beam irradiation and development, thereby leaving a pattern including the first and second block phases in an overlap region between a region other than the first region and a region other than the second region, and leaving a pattern of second block phase in the second region excluding the overlap region. The film is etched with the left patterns as masks.
    • 根据一个实施方案,通过将嵌段共聚物自组装成待加工的膜来形成包括第一和第二嵌段相的图案。 存在于第一区域中的整个嵌段共聚物在第一条件下通过进行能量束照射和显影而除去,从而在第一区域以外的区域留下包括第一和第二嵌段相的图案。 存在于第二区域中的第一块相位通过进行能量束照射和显影而在第二条件下被选择性地去除,从而在包括第一区域和第一区域之间的重叠区域中留下包括第一和第二块相的图案, 区域,并且在除了重叠区域之外的第二区域中留下第二块相位的图案。 用左图案蚀刻该胶片作为掩模。
    • 9. 发明授权
    • Pattern forming method
    • 图案形成方法
    • US09207531B2
    • 2015-12-08
    • US13239449
    • 2011-09-22
    • Hiroko NakamuraKoji AsakawaShigeki HattoriSatoshi TanakaToshiya Kotani
    • Hiroko NakamuraKoji AsakawaShigeki HattoriSatoshi TanakaToshiya Kotani
    • H01L21/31H01L21/469G03F7/00B81C1/00B82Y10/00B82Y40/00
    • G03F7/0002B81C1/00031B81C2201/0149B82Y10/00B82Y40/00
    • According to one embodiment, a pattern including first and second block phases is formed by self-assembling a block copolymer onto a film to be processed. The entire block copolymer present in a first region is removed under a first condition by carrying out energy beam irradiation and development, thereby leaving a pattern including the first and second block phases in a region other than the first region. The first block phase present in a second region is selectively removed under a second condition by carrying out energy beam irradiation and development, thereby leaving a pattern including the first and second block phases in an overlap region between a region other than the first region and a region other than the second region, and leaving a pattern of second block phase in the second region excluding the overlap region. The film is etched with the left patterns as masks.
    • 根据一个实施方案,通过将嵌段共聚物自组装成待加工的膜来形成包括第一和第二嵌段相的图案。 存在于第一区域中的整个嵌段共聚物在第一条件下通过进行能量束照射和显影而除去,从而在第一区域以外的区域留下包括第一和第二嵌段相的图案。 存在于第二区域中的第一块相位通过进行能量束照射和显影而在第二条件下被选择性地去除,从而在包括第一区域和第一区域之间的重叠区域中留下包括第一和第二块相的图案, 区域,并且在除了重叠区域之外的第二区域中留下第二块相位的图案。 用左图案蚀刻该胶片作为掩模。