发明名称 |
Method for fabricating a memory cell |
摘要 |
A method for fabricating a memory cell includes forming a first access line (16) for a storage node (140, 210) and forming a second access line (82) operable to access the storage node (140, 210) in connection with the first access line (16). The first access line (16) includes a first terminal (32) and a second terminal (34). The second access line (82) includes a conductive layer (70) connected to the first terminal (32) of the first access line (16). An opening (88) is formed in the second access line (82) for connection of the storage node (140, 210) to the second terminal (34) of the first access line (16). A sidewall (92) is formed in the opening (88) to form a contact hole (94) insulated from the conductor (70) of the second access line (82). The storage node (140, 210) is formed having a self-aligned contact (102) formed in the contact hole (94) and connected to the second terminal (34) of the first access line (16).
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申请公布号 |
US6268246(B1) |
申请公布日期 |
2001.07.31 |
申请号 |
US19990399842 |
申请日期 |
1999.09.21 |
申请人 |
TEXAS INSTRUMENTS INCORPORATED |
发明人 |
UKITA SHIGENARI;NIUYA TAKAYUKI |
分类号 |
H01L21/02;H01L21/8242;(IPC1-7):H01L21/824 |
主分类号 |
H01L21/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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