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发明名称
具有含多个部分之视窗的研磨垫
摘要
一种研磨垫具有一不透明研磨层与一固态光传输视窗,该不透明研磨层具有一穿孔通过其间且具有一研磨表面,该固态光传输视窗位在该穿孔中。该固态光传输视窗包括一外部与一内部,该外部固定至该研磨层,该内部固定至该外部。该外部具有相对于该研磨表面内凹之一上表面,该内部具有与该研磨表面实质上共平面之一上表面。
申请公布号
TWI370039
申请公布日期
2012.08.11
申请号
TW096124191
申请日期
2007.07.03
申请人
应用材料股份有限公司 美国
发明人
班维纽多明尼克J;史威克柏格斯劳A;章及明
分类号
B24B37/04;B24B49/12
主分类号
B24B37/04
代理机构
代理人
蔡坤财 台北市中山区松江路148号11楼;李世章 台北市中山区松江路148号11楼
主权项
地址
美国
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