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发明名称
金氧半导电晶体元件之金属闸极结构
摘要
一种闸极结构包括闸极介电层位于半导体基材上。金属闸极导体位于闸极介电层上。覆盖层位于金属闸极导体上。至少一间隙壁覆盖在金属闸极导体与覆盖层之侧壁上,以使覆盖层与间隙壁包围住金属闸极导体。至少一自我对准接触结构紧邻金属闸极导体而形成半导体基材上。如此一来,覆盖层与间隙壁隔开自我对准接触结构,而避免自我对准接触结构直接接触金属闸极导体。
申请公布号
TW200608604
申请公布日期
2006.03.01
申请号
TW094114021
申请日期
2005.04.29
申请人
台湾积体电路制造股份有限公司
发明人
廖忠志
分类号
H01L33/00
主分类号
H01L33/00
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力行六路8号
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