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公开(公告)号:US08466504B2
公开(公告)日:2013-06-18
申请号:US13231968
申请日:2011-09-14
申请人: Chia-Ming Yang , Yao-Hsien Wang , Chen-Kang Wei , Chien-Chi Lee , Ming Yean , Yi-Wei Chuang , Hsiao-Lung Chiang , Hung-Chang Liao , Chung-Yuan Lee , Ming-Chi Chao
发明人: Chia-Ming Yang , Yao-Hsien Wang , Chen-Kang Wei , Chien-Chi Lee , Ming Yean , Yi-Wei Chuang , Hsiao-Lung Chiang , Hung-Chang Liao , Chung-Yuan Lee , Ming-Chi Chao
IPC分类号: H01L29/94 , H01L31/119
CPC分类号: H01L27/10876 , H01L21/26506 , H01L21/26586 , H01L29/1083
摘要: A DRAM with dopant stop layer includes a substrate, a trench-type transistor and a capacitor electrically connected to the trench-type transistor. The trench-type transistor includes a gate structure embedded in the substrate. A source doping region and a drain doping region are disposed in the substrate at two sides of the gate structure. A boron doping region is disposed under the source doping region. A dopant stop layer is disposed within the boron doping region or below the boron doping region. The dopant stop layer includes a dopant selected from the group consisting of C, Si, Ge, Sn, Cl, F and Br.
摘要翻译: 具有掺杂剂停止层的DRAM包括衬底,沟槽型晶体管和电连接到沟槽型晶体管的电容器。 沟槽型晶体管包括嵌入在衬底中的栅极结构。 源极掺杂区域和漏极掺杂区域设置在栅极结构的两侧的衬底中。 硼掺杂区域设置在源极掺杂区域下方。 掺杂剂停止层设置在硼掺杂区域内或硼掺杂区域的下方。 掺杂剂停止层包括选自C,Si,Ge,Sn,Cl,F和Br的掺杂剂。
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公开(公告)号:US20120280297A1
公开(公告)日:2012-11-08
申请号:US13231968
申请日:2011-09-14
申请人: Chia-Ming Yang , Yao-Hsien Wang , Chen-Kang Wei , Chien-Chi Lee , Ming Yean , Yi-Wei Chuang , Hsiao-Lung Chiang , Hung-Chang Liao , Chung-Yuan Lee , Ming-Chi Chao
发明人: Chia-Ming Yang , Yao-Hsien Wang , Chen-Kang Wei , Chien-Chi Lee , Ming Yean , Yi-Wei Chuang , Hsiao-Lung Chiang , Hung-Chang Liao , Chung-Yuan Lee , Ming-Chi Chao
IPC分类号: H01L27/108 , H01L21/8242
CPC分类号: H01L27/10876 , H01L21/26506 , H01L21/26586 , H01L29/1083
摘要: A DRAM with dopant stop layer includes a substrate, a trench-type transistor and a capacitor electrically connected to the trench-type transistor. The trench-type transistor includes a gate structure embedded in the substrate. A source doping region and a drain doping region are disposed in the substrate at two sides of the gate structure. A boron doping region is disposed under the source doping region. A dopant stop layer is disposed within the boron doping region or below the boron doping region. The dopant stop layer includes a dopant selected from the group consisting of C, Si, Ge, Sn, Cl, F and Br.
摘要翻译: 具有掺杂剂停止层的DRAM包括衬底,沟槽型晶体管和电连接到沟槽型晶体管的电容器。 沟槽型晶体管包括嵌入在衬底中的栅极结构。 源极掺杂区域和漏极掺杂区域设置在栅极结构的两侧的衬底中。 硼掺杂区域设置在源极掺杂区域下方。 掺杂剂停止层设置在硼掺杂区域内或硼掺杂区域的下方。 掺杂剂停止层包括选自C,Si,Ge,Sn,Cl,F和Br的掺杂剂。
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