发明名称
摘要 A polishing pad (200) that includes a polishing layer (204) having a polishing region (208) for polishing a wafer (220). The polishing layer includes a set of inflow grooves (232) that extend into the polishing region and a set of outflow grooves (236) that extend out of the polishing region. The inflow and outflow grooves cooperate with one another to enhance the utilization of a polishing slurry during polishing of the wafer. <IMAGE>
申请公布号 JP4689240(B2) 申请公布日期 2011.05.25
申请号 JP20040330014 申请日期 2004.11.15
申请人 发明人
分类号 B24B37/00;H01L21/304;B24B21/00;B24B37/04 主分类号 B24B37/00
代理机构 代理人
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