发明名称 Selective barrier slurry for chemical mechanical polishing
摘要 The polishing solution is useful for removing a barrier from a semiconductor substrate. The solution contains by weight percent 0.001 to 25 oxidizer, 0.0001 to 5 anionic surfactant, 0 to 15 inhibitor for a nonferrous metal, 0 to 40 abrasive, 0 to 20 complexing agent for the nonferrous metal, 0.01 to 12 barrier removal agent selected from imine derivative compounds, hydrazine derivative compounds and mixtures thereof, and water; and the solution has an acidic pH.
申请公布号 US7988878(B2) 申请公布日期 2011.08.02
申请号 US20040952999 申请日期 2004.09.29
申请人 ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC. 发明人 BIAN JINRU
分类号 C09K13/00 主分类号 C09K13/00
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