发明申请
- 专利标题: COMPOSITIONS AND METHODS FOR MODIFYING A SURFACE SUITED FOR SEMICONDUCTOR FABRICATION
- 专利标题(中): 用于修改用于半导体制造的表面的组合物和方法
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申请号: US11839329申请日: 2007-08-15
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公开(公告)号: US20080026583A1公开(公告)日: 2008-01-31
- 发明人: L. Hardy , Heather Kranz , Thomas Wood , David Kaisaki , John Gagliardi , John Clark , Patricia Savu , Philip Clark
- 申请人: L. Hardy , Heather Kranz , Thomas Wood , David Kaisaki , John Gagliardi , John Clark , Patricia Savu , Philip Clark
- 主分类号: H01L21/302
- IPC分类号: H01L21/302
摘要:
The disclosure pertains to compositions and methods for modifying or refining the surface of a wafer suited for semiconductor fabrication. The compositions include working liquids useful in modifying a surface of a wafer suited for fabrication of a semiconductor device. In some embodiments, the working liquids are aqueous solutions of initial components substantially free of loose abrasive particles, the components including water, a surfactant, and a pH buffer exhibiting at least one pKa greater than 7. In certain embodiments, the pH buffer includes a basic pH adjusting agent and an acidic complexing agent, and the working liquid exhibits a pH from about 7 to about 12. In further embodiments, the disclosure provides a fixed abrasive article comprising a surfactant suitable for modifying the surface of a wafer, and a method of making the fixed abrasive article. Additional embodiments describe methods that may be used to modify a wafer surface.
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