发明授权
US08715912B2 Method for producing a high resolution resist pattern on a semiconductor wafer
有权
在半导体晶片上制造高分辨率抗蚀剂图案的方法
- 专利标题: Method for producing a high resolution resist pattern on a semiconductor wafer
- 专利标题(中): 在半导体晶片上制造高分辨率抗蚀剂图案的方法
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申请号: US11805139申请日: 2007-05-21
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公开(公告)号: US08715912B2公开(公告)日: 2014-05-06
- 发明人: Uzodinma Okoroanyanwu , Thomas Wallow
- 申请人: Uzodinma Okoroanyanwu , Thomas Wallow
- 申请人地址: US CA Sunnyvale
- 专利权人: Advanced Micro Devices, Inc.
- 当前专利权人: Advanced Micro Devices, Inc.
- 当前专利权人地址: US CA Sunnyvale
- 代理机构: Farjami & Farjami LLP
- 主分类号: G03F7/26
- IPC分类号: G03F7/26
摘要:
In one disclosed embodiment, a method for producing a high resolution resist pattern on a semiconductor wafer comprises depositing a blanket layer of material on a semiconductor wafer, forming a resist interaction substrate on the blanket layer of material, forming a resist layer of a pre-determined thickness on the resist interaction substrate, exposing the resist layer to a patterned radiation, and developing the resulting high resolution resist pattern. In one embodiment, patterned radiation is provided by an extreme ultraviolet (EUV) light source. In other embodiments, patterned radiation may be provided by an electron beam, or ion beam, for example. In one embodiment, the resist layer comprises a chemically amplified resist utilizing a photogenerated acid (PGA), and having a sublayer. In other embodiments, the resist layer includes an additive, for example, fullerite. One disclosed embodiment involves use of an ultra-thin resist layer in combination with a gold resist interaction substrate.
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