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发明名称
回复具低介电常数材料之晶圆
摘要
从一晶圆上除去成分为矽、氧和碳之低介电常数材料层。该低介电常数材料层系藉由将该低介电常数材料层表面暴露在含氧气体中以氧化该表面的方式来除去。将该氧化表面浸入具有氟化氢和硫酸之蚀刻溶液中以蚀刻该低介电常数材料层。将蚀刻后的表面暴露在(i)具有硫酸和过氧化氢之蚀刻溶液,以及(ii)由射频(RF)或微波供给能量之含氧气体的至少其中一种中,以从该晶圆上除去该低介电常数材料层。
申请公布号
TW200703488
申请公布日期
2007.01.16
申请号
TW095101083
申请日期
2006.01.11
申请人
应用材料股份有限公司
发明人
王宏;维帕克里斯纳;米勒保罗V MILLER, PAUL V.
分类号
H01L21/302(2006.01)
主分类号
H01L21/302(2006.01)
代理机构
代理人
蔡坤财;李世章
主权项
地址
美国
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