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发明名称
包含背面研磨之半导体晶圆加工方法
摘要
本发明之内容系一种精研过之半导体晶圆之背面加工方法。该方法包含:研磨该晶圆背面以移除晶圆材料,自该晶圆背面实质上消除精研损伤。之后该晶圆之背面可加以清理、蚀刻及抛光,随后并将该晶圆之正面加以抛光。该背面研磨加工可在精研加工之后,无需任何其他实质上移除晶圆材料步骤之情况下完成。该晶圆之背面抛光可用化学机械抛光(CMP)机实施且可制得一光亮如镜表面,在雾灯下检查无目视损伤,晶圆材料之移除量约为0.5微米。抛光晶圆正面之后,可在该晶圆之正面上形成一外延薄层。
申请公布号
TW200511413
申请公布日期
2005.03.16
申请号
TW092124395
申请日期
2003.09.03
申请人
瓦克矽电子公司
发明人
魏斯里海瑞森;戴维德高尔;罗兰凡戴尔
分类号
H01L21/304
主分类号
H01L21/304
代理机构
代理人
甯育丰
主权项
地址
德国
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