发明授权
US09005873B2 Composition for forming resist underlayer film for EUV lithography
有权
用于形成用于EUV光刻的抗蚀剂下层膜的组合物
- 专利标题: Composition for forming resist underlayer film for EUV lithography
- 专利标题(中): 用于形成用于EUV光刻的抗蚀剂下层膜的组合物
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申请号: US14099278申请日: 2013-12-06
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公开(公告)号: US09005873B2公开(公告)日: 2015-04-14
- 发明人: Rikimaru Sakamoto , Takafumi Endo , Bangching Ho
- 申请人: Nissan Chemical Industries, Ltd.
- 申请人地址: JP Tokyo
- 专利权人: Nissan Chemical Industries, Ltd.
- 当前专利权人: Nissan Chemical Industries, Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Oliff PLC
- 优先权: JP2009-102859 20090421
- 主分类号: G03F7/004
- IPC分类号: G03F7/004 ; C08L61/00 ; C08G59/00 ; H01L21/308 ; G03F7/09 ; H01L21/311 ; C08L63/00 ; C08G59/08 ; G03F7/11
摘要:
A method for producing a semiconductor device includes the steps of: applying a composition for forming a resist underlayer film for EUV lithography including a novolac resin containing a halogen atom onto a substrate having a film to be fabricated for forming a transferring pattern and baking the composition so as to form a resist underlayer film for EUV lithography; and applying a resist for EUV lithography onto the resist underlayer film for EUV lithography, irradiating, with EUV through a mask, the resist underlayer film for EUV lithography and a film of the resist for EUV lithography on the resist underlayer film, developing the film of the resist for EUV lithography, and transferring an image formed in the mask onto the substrate by dry etching so as to form an integrated circuit device.
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