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发明名称
研磨垫之制造方法
摘要
本发明之目的系于提供一种制造研磨垫之方法,该研磨垫可防止研磨浆漏出,且光学检测精度优异者。本发明之研磨垫之制造方法包含有以下步骤,即:在研磨层之研磨背面侧形成用以注入透光区形成材料之凹槽;藉于前述凹槽注入透光区形成材料,使其固化,形成透光区;及,藉对研磨层之研磨表面侧进行抛光,使前述透光区裸露于研磨表面。
申请公布号
TW200906926
申请公布日期
2009.02.16
申请号
TW097117539
申请日期
2008.05.13
申请人
东洋橡胶工业股份有限公司 TOYO TIRE &
发明人
堂浦真人;广纯司;中村贤治;福田武司;佐藤彰则
分类号
C08J5/14(2006.01);H01L21/304(2006.01)
主分类号
C08J5/14(2006.01)
代理机构
代理人
恽轶群;陈文郎
主权项
地址
日本
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