CN103065951B - 一种沟槽栅的形成方法 - Google Patents
一种沟槽栅的形成方法 Download PDFInfo
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- CN103065951B CN103065951B CN201110323895.9A CN201110323895A CN103065951B CN 103065951 B CN103065951 B CN 103065951B CN 201110323895 A CN201110323895 A CN 201110323895A CN 103065951 B CN103065951 B CN 103065951B
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- groove
- formation method
- silicon
- trench gate
- source gas
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 27
- 239000010703 silicon Substances 0.000 claims abstract description 27
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 18
- 150000004820 halides Chemical class 0.000 claims abstract description 14
- 125000005843 halogen group Chemical group 0.000 claims abstract description 6
- 239000003595 mist Substances 0.000 claims abstract description 6
- 238000000407 epitaxy Methods 0.000 claims abstract description 5
- 229920005591 polysilicon Polymers 0.000 claims description 9
- 229910003902 SiCl 4 Inorganic materials 0.000 claims 1
- 229910004541 SiN Inorganic materials 0.000 claims 1
- 229910004298 SiO 2 Inorganic materials 0.000 claims 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 claims 1
- 229910052814 silicon oxide Inorganic materials 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 abstract description 6
- 230000003116 impacting effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 description 2
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Electrodes Of Semiconductors (AREA)
Abstract
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Claims (5)
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CN201110323895.9A CN103065951B (zh) | 2011-10-21 | 2011-10-21 | 一种沟槽栅的形成方法 |
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CN201110323895.9A CN103065951B (zh) | 2011-10-21 | 2011-10-21 | 一种沟槽栅的形成方法 |
Publications (2)
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CN103065951A CN103065951A (zh) | 2013-04-24 |
CN103065951B true CN103065951B (zh) | 2015-12-09 |
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CN201110323895.9A Active CN103065951B (zh) | 2011-10-21 | 2011-10-21 | 一种沟槽栅的形成方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102417431B1 (ko) * | 2021-06-28 | 2022-07-06 | 주식회사 한화 | 보이드 또는 심의 발생을 억제하는 기판 처리 장치 및 방법 |
CN114220734B (zh) * | 2021-12-13 | 2024-12-10 | 上海华虹宏力半导体制造有限公司 | 沟槽栅的制造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102054735A (zh) * | 2009-10-28 | 2011-05-11 | 上海华虹Nec电子有限公司 | 填充高深宽比沟槽隔离区的方法 |
CN102117763A (zh) * | 2010-01-06 | 2011-07-06 | 上海华虹Nec电子有限公司 | 获得倾斜沟槽结构或改变沟槽结构倾斜角的制作工艺方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3396553B2 (ja) * | 1994-02-04 | 2003-04-14 | 三菱電機株式会社 | 半導体装置の製造方法及び半導体装置 |
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- 2011-10-21 CN CN201110323895.9A patent/CN103065951B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102054735A (zh) * | 2009-10-28 | 2011-05-11 | 上海华虹Nec电子有限公司 | 填充高深宽比沟槽隔离区的方法 |
CN102117763A (zh) * | 2010-01-06 | 2011-07-06 | 上海华虹Nec电子有限公司 | 获得倾斜沟槽结构或改变沟槽结构倾斜角的制作工艺方法 |
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CN103065951A (zh) | 2013-04-24 |
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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 Applicant after: Shanghai Huahong Grace Semiconductor Manufacturing Corporation Address before: 201206, Shanghai, Pudong New Area, Sichuan Road, No. 1188 Bridge Applicant before: Shanghai Huahong NEC Electronics Co., Ltd. |
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