发明名称 Method of manufacturing a semiconductor device
摘要 Embodiments relate to a method of manufacturing a semiconductor device that may simplify a manufacturing process and may reduce process costs. According to embodiments, the method may include simultaneously forming a first gate of a first device area and a second gate of a second device area, patterning a PMD layer to form a first contact hole exposing the first gate, depositing and planarizing a high dielectric constant material and first and second metallic materials on the semiconductor substrate to expose PMD layer, forming an insulating layer, a metal layer and a third gate in the first contact hole, patterning the PMD layer to form a second contact hole exposing the second gate, and depositing a third metallic material on the semiconductor substrate and planarizing it such that the PMD layer is exposed, thereby forming a contact in the second contact hole.
申请公布号 US7884005(B2) 申请公布日期 2011.02.08
申请号 US20090487737 申请日期 2009.06.19
申请人 DONGBU HITEK CO., LTD. 发明人 LEE KUN HYUK
分类号 H01L21/3205;H01L21/4763 主分类号 H01L21/3205
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