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发明名称
双重金属镶嵌制程
摘要
一种双重金属镶嵌(Dual Damascene)制程。本发明之双重金属镶嵌制程至少包括以下步骤。首先,先在介电层(包括由下往上堆叠之第一介电层与第二介电层)中定义介层窗(Via)图形。接着,形成一负光阻层填入此介层窗中并覆盖第二介电层。接着,形成一正光阻层覆盖负光阻层。接着,在正光阻层中定义出沟渠(Trench)之图形。接着,去除部分之负光阻。接着,于第二介电层中蚀刻出沟渠图形。然后,剥除剩余之正光阻与负光阻。
申请公布号
TW200507163
申请公布日期
2005.02.16
申请号
TW092121220
申请日期
2003.08.01
申请人
台湾积体电路制造股份有限公司
发明人
蔡维恭;蔡伯岳
分类号
H01L21/76
主分类号
H01L21/76
代理机构
代理人
蔡坤财
主权项
地址
新竹市新竹科学工业园区园区三路一二一号
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