发明授权
- 专利标题: MIM capacitor device
- 专利标题(中): MIM电容器
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申请号: US12929287申请日: 2011-01-12
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公开(公告)号: US09142609B2公开(公告)日: 2015-09-22
- 发明人: Youichi Yamamoto , Naomi Fukumaki , Misato Sakamoto , Yoshitake Kato
- 申请人: Youichi Yamamoto , Naomi Fukumaki , Misato Sakamoto , Yoshitake Kato
- 申请人地址: JP Kawasaki-shi, Kanagawa
- 专利权人: Renesas Electronics Corporation
- 当前专利权人: Renesas Electronics Corporation
- 当前专利权人地址: JP Kawasaki-shi, Kanagawa
- 代理机构: McGinn IP Law Group, PLLC
- 优先权: JP2010-005780 20100114
- 主分类号: H01L27/108
- IPC分类号: H01L27/108 ; H01L29/92 ; H01L49/02 ; H01L21/285 ; H01L21/768
摘要:
A semiconductor device has a capacitor element in which a capacitance dielectric film is disposed between an upper electrode film (upper electrode film, an upper electrode film) and a lower electrode film, and the lower electrode film has polycrystalline titanium nitride at least to a portion in contact with the capacitance dielectric film.
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