发明名称 Semiconductor device and method of manufacturing the same
摘要 There are provided steps of forming sequentially a first conductive film, a dielectric film, and a second conductive film, that constitute a capacitor, on an insulating film, forming an upper electrode of the capacitor by etching the second conductive film while using a first resist pattern as a mask, removing the first resist pattern, forming second resist patterns, that have a width equal to or smaller than a pattern width of the upper electrode of the capacitor, on the upper electrode of the capacitor, and etching at least a part of the dielectric film and the first conductive film by using the second resist patterns as a mask, while exposing an upper surface of the upper electrode of the capacitor close to side portions by retreating side portions of the second resist patterns. Accordingly, a method of manufacturing a semiconductor device having a capacitor, that is capable of reducing a difference between a width of the upper electrode and a width of the lower electrode constituting the capacitor rather than the prior art, can be provided.
申请公布号 US6987045(B2) 申请公布日期 2006.01.17
申请号 US20040765898 申请日期 2004.01.29
申请人 FUJITSU LIMITED 发明人 OKITA YOICHI
分类号 H01L21/302;H01L21/8242;H01L21/3065;H01L21/314;H01L21/316;H01L27/105;H01L27/108 主分类号 H01L21/302
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