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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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