CN101452872B - 高压区浅沟槽顶角端圆化的方法 - Google Patents
高压区浅沟槽顶角端圆化的方法 Download PDFInfo
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- CN101452872B CN101452872B CN200710094366XA CN200710094366A CN101452872B CN 101452872 B CN101452872 B CN 101452872B CN 200710094366X A CN200710094366X A CN 200710094366XA CN 200710094366 A CN200710094366 A CN 200710094366A CN 101452872 B CN101452872 B CN 101452872B
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CN200710094366XA CN101452872B (zh) | 2007-11-30 | 2007-11-30 | 高压区浅沟槽顶角端圆化的方法 |
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CN200710094366XA CN101452872B (zh) | 2007-11-30 | 2007-11-30 | 高压区浅沟槽顶角端圆化的方法 |
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CN101452872A CN101452872A (zh) | 2009-06-10 |
CN101452872B true CN101452872B (zh) | 2011-06-01 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104103593A (zh) * | 2013-04-02 | 2014-10-15 | 中芯国际集成电路制造(上海)有限公司 | 一种闪存存储器的制作方法 |
CN104347378A (zh) * | 2013-08-09 | 2015-02-11 | 上海华虹宏力半导体制造有限公司 | 一种应用于沟槽型mos器件的沟槽栅的制备方法 |
CN104658902B (zh) * | 2015-01-28 | 2018-05-08 | 株洲南车时代电气股份有限公司 | 沟槽栅蚀刻方法 |
CN109411404A (zh) * | 2018-10-31 | 2019-03-01 | 武汉新芯集成电路制造有限公司 | 浅沟槽隔离结构及其制造方法和半导体器件 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1591834A (zh) * | 2003-09-03 | 2005-03-09 | 南亚科技股份有限公司 | 部分垂直存储单元的双边角圆化制程 |
CN1617327A (zh) * | 2003-11-14 | 2005-05-18 | 旺宏电子股份有限公司 | 浅沟渠隔离结构及其沟渠的制造方法 |
CN101075574A (zh) * | 2007-06-12 | 2007-11-21 | 上海宏力半导体制造有限公司 | 高压组件的浅沟槽隔离结构的制造方法 |
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CN1591834A (zh) * | 2003-09-03 | 2005-03-09 | 南亚科技股份有限公司 | 部分垂直存储单元的双边角圆化制程 |
CN1617327A (zh) * | 2003-11-14 | 2005-05-18 | 旺宏电子股份有限公司 | 浅沟渠隔离结构及其沟渠的制造方法 |
CN101075574A (zh) * | 2007-06-12 | 2007-11-21 | 上海宏力半导体制造有限公司 | 高压组件的浅沟槽隔离结构的制造方法 |
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JP特开2003-7688A 2003.01.10 |
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Owner name: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING Free format text: FORMER OWNER: HUAHONG NEC ELECTRONICS CO LTD, SHANGHAI Effective date: 20131218 |
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Free format text: CORRECT: ADDRESS; FROM: 201206 PUDONG NEW AREA, SHANGHAI TO: 201203 PUDONG NEW AREA, SHANGHAI |
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Effective date of registration: 20131218 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech Park No. 1399 Patentee after: Shanghai Huahong Grace Semiconductor Manufacturing Corporation Address before: 201206, Shanghai, Pudong New Area, Sichuan Road, No. 1188 Bridge Patentee before: Shanghai Huahong NEC Electronics Co., Ltd. |