CN103367256A - 利用外延层增加分立栅极闪存单元源极高度的方法 - Google Patents
利用外延层增加分立栅极闪存单元源极高度的方法 Download PDFInfo
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- CN103367256A CN103367256A CN2012100817530A CN201210081753A CN103367256A CN 103367256 A CN103367256 A CN 103367256A CN 2012100817530 A CN2012100817530 A CN 2012100817530A CN 201210081753 A CN201210081753 A CN 201210081753A CN 103367256 A CN103367256 A CN 103367256A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000005530 etching Methods 0.000 claims abstract description 14
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 15
- 229920005591 polysilicon Polymers 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000151 deposition Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 210000001951 dura mater Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104637885A (zh) * | 2015-02-15 | 2015-05-20 | 上海华虹宏力半导体制造有限公司 | Flash器件源极多晶硅的形成方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1672265A (zh) * | 2002-06-21 | 2005-09-21 | 微米技术股份有限公司 | 垂直nrom |
CN2781573Y (zh) * | 2003-12-03 | 2006-05-17 | 台湾积体电路制造股份有限公司 | 集成电路元件 |
CN102347281A (zh) * | 2011-10-28 | 2012-02-08 | 上海宏力半导体制造有限公司 | 分栅闪存单元及其形成方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1672265A (zh) * | 2002-06-21 | 2005-09-21 | 微米技术股份有限公司 | 垂直nrom |
CN2781573Y (zh) * | 2003-12-03 | 2006-05-17 | 台湾积体电路制造股份有限公司 | 集成电路元件 |
CN102347281A (zh) * | 2011-10-28 | 2012-02-08 | 上海宏力半导体制造有限公司 | 分栅闪存单元及其形成方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104637885A (zh) * | 2015-02-15 | 2015-05-20 | 上海华虹宏力半导体制造有限公司 | Flash器件源极多晶硅的形成方法 |
CN104637885B (zh) * | 2015-02-15 | 2017-08-08 | 上海华虹宏力半导体制造有限公司 | Flash器件源极多晶硅的形成方法 |
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Owner name: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING Free format text: FORMER OWNER: HONGLI SEMICONDUCTOR MANUFACTURE CO LTD, SHANGHAI Effective date: 20140421 |
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