发明授权
- 专利标题: Method of fabricating a contact structure having a composite barrier layer between a platinum layer and a polysilicon plug
- 专利标题(中): 制造在铂层和多晶硅插塞之间具有复合阻挡层的接触结构的方法
-
申请号: US09944436申请日: 2001-08-31
-
公开(公告)号: US06589867B2公开(公告)日: 2003-07-08
- 发明人: Paul J. Schuele , Pierre C. Fazan
- 申请人: Paul J. Schuele , Pierre C. Fazan
- 主分类号: H01L214763
- IPC分类号: H01L214763
摘要:
This invention is a process for forming an effective titanium nitride barrier layer between the upper surface of a polysilicon plug formed in a thick dielectric layer and a platinum lower capacitor plate in a dynamic random access memory which is being fabricated on a silicon wafer.
公开/授权文献
信息查询