发明名称 |
Werkwijze voor het vervaardigen van een woordregel, en hiermee verkregen geïntegreerde halfgeleiderschakeling. |
摘要 |
A word line 26 of a DRAM is formed by depositing tungsten silicide 28 on the polysilicon word line and forming a silicon rich metal silicide or pure silicon layer 30 on the silicide layer. Layer 30 has a higher concentration of silicon than layer 28 and the formation of tungsten oxide is prevented. A cap oxide layer 32 is formed on the layer 30. |
申请公布号 |
NL1007868(C2) |
申请公布日期 |
1999.06.24 |
申请号 |
NL19971007868 |
申请日期 |
1997.12.23 |
申请人 |
UNITED MICROELECTRONICS CORP. |
发明人 |
DER-YUAN WU;YI-CHUNG SHENG |
分类号 |
H01L21/285;H01L21/28;H01L21/3205;H01L21/336;H01L21/768;H01L21/8242;H01L23/52;H01L27/108;H01L29/78 |
主分类号 |
H01L21/285 |
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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