CN100474537C - 沟槽型mos晶体管的制造方法 - Google Patents
沟槽型mos晶体管的制造方法 Download PDFInfo
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- CN100474537C CN100474537C CNB2006100303480A CN200610030348A CN100474537C CN 100474537 C CN100474537 C CN 100474537C CN B2006100303480 A CNB2006100303480 A CN B2006100303480A CN 200610030348 A CN200610030348 A CN 200610030348A CN 100474537 C CN100474537 C CN 100474537C
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CNB2006100303480A CN100474537C (zh) | 2006-08-24 | 2006-08-24 | 沟槽型mos晶体管的制造方法 |
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CNB2006100303480A CN100474537C (zh) | 2006-08-24 | 2006-08-24 | 沟槽型mos晶体管的制造方法 |
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CN101131933A CN101131933A (zh) | 2008-02-27 |
CN100474537C true CN100474537C (zh) | 2009-04-01 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101859698B (zh) * | 2009-04-09 | 2012-03-14 | 上海先进半导体制造股份有限公司 | 槽刻蚀及多晶硅注入工艺 |
CN101567320B (zh) * | 2009-06-04 | 2012-06-20 | 上海宏力半导体制造有限公司 | 功率mos晶体管的制造方法 |
CN102054867B (zh) * | 2009-11-05 | 2013-10-23 | 上海华虹Nec电子有限公司 | 提高功率mos晶体管工作频率的结构及方法 |
CN102468128B (zh) * | 2010-11-09 | 2013-09-11 | 上海华虹Nec电子有限公司 | 深沟槽多晶硅形成方法 |
CN102610522A (zh) * | 2011-01-19 | 2012-07-25 | 上海华虹Nec电子有限公司 | 双层栅沟槽mos结构中形成底部氧化层的方法 |
CN103247529B (zh) | 2012-02-10 | 2016-08-03 | 无锡华润上华半导体有限公司 | 一种沟槽场效应器件及其制作方法 |
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Owner name: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING Free format text: FORMER OWNER: HUAHONG NEC ELECTRONICS CO LTD, SHANGHAI Effective date: 20140108 |
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Effective date of registration: 20140108 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. |