发明名称 METHOD FOR PATTERNING CONTACT ETCH STOP LAYERS BY USING A PLANARIZATION PROCESS
摘要 By performing a planarization process, for instance based on a planarization layer, prior to forming a resist mask for selectively removing a portion of a stressed contact etch stop layer, the strain-inducing mechanism of a subsequently deposited further contact etch stop layer may be significantly improved.
申请公布号 US2008057720(A1) 申请公布日期 2008.03.06
申请号 US20070692267 申请日期 2007.03.28
申请人 FROHBERG KAI;MUELLER SVEN;SCHWAN CHRISTOPH 发明人 FROHBERG KAI;MUELLER SVEN;SCHWAN CHRISTOPH
分类号 H01L21/311 主分类号 H01L21/311
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