发明名称 FIXED ABRASIVE POLISHING PAD, METHOD OF PREPARING THE SAME, AND CHEMICAL MECHANICAL POLISHING COMPRISING THE SAME
摘要 A fixed abrasive polishing pad is provided to contain slurry in an opening formed on the adhesion surface of a polishing layer and a polished layer of a wafer by including a polishing layer with an opening on a base. A fixed polishing pad protrudes from a base(32), including a polishing layer(31) having a polishing particle(36) and an opening. The opening can be a pore(38). The area of the opening can be 5~30 percent of the area of the polishing layer. One of a ceria particle, a silica particle or an alumina particle can be selected as the polishing particle.
申请公布号 KR20070059846(A) 申请公布日期 2007.06.12
申请号 KR20060047120 申请日期 2006.05.25
申请人 SAMSUNG ELECTRONICS CO., LTD. 发明人 YOON, IL YOUNG;SHIN, HONG JAE;LEE, SE YOUNG;CHOO, JAE OUK;KOO, JA EUNG
分类号 H01L21/304 主分类号 H01L21/304
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