发明授权
- 专利标题: Photoresist intensive patterning and processing
- 专利标题(中): 光刻胶强化图案和加工
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申请号: US10361875申请日: 2003-02-10
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公开(公告)号: US07078351B2公开(公告)日: 2006-07-18
- 发明人: Yuan-Hung Chiu , Ming-Huan Tsai , Hun-Jan Tao , Jeng-Horng Chen
- 申请人: Yuan-Hung Chiu , Ming-Huan Tsai , Hun-Jan Tao , Jeng-Horng Chen
- 申请人地址: TW Hsin-Chu
- 专利权人: Taiwan Semiconductor Manufacturing Company, Ltd.
- 当前专利权人: Taiwan Semiconductor Manufacturing Company, Ltd.
- 当前专利权人地址: TW Hsin-Chu
- 代理机构: Haynes and Boone, LLP
- 主分类号: H01L21/302
- IPC分类号: H01L21/302
摘要:
A layer of Anti Reflective Coating (ARC) is first deposited over the surface of a silicon based or oxide based semiconductor surface, a dual hardmask is deposited over the surface of the layer of ARC. A layer of soft mask material is next coated over the surface of the dual hardmask layer, the layer of soft mask material is exposed, creating a soft mask material mask. The upper layer of the dual hardmask layer is next patterned in accordance with the soft mask material mask, the soft mask material mask is removed from the surface. The lower layer of the hardmask layer is then patterned after which the layer of ARC is patterned, both layers are patterned in accordance with the patterned upper layer of the dual hardmask layer. The substrate is now patterned in accordance with the patterned upper and lower layer of the dual hardmask layer and the patterned layer of ARC. The patterned upper and lower layers of the hardmask layer and the patterned layer of ARC are removed from the surface of the silicon based or oxide based semiconductor surface.
公开/授权文献
- US20040157444A1 Photoresist intensive patterning and processing 公开/授权日:2004-08-12
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