CN102117751A - 小线宽沟槽dmos的实现方法 - Google Patents
小线宽沟槽dmos的实现方法 Download PDFInfo
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- CN102117751A CN102117751A CN2010100272296A CN201010027229A CN102117751A CN 102117751 A CN102117751 A CN 102117751A CN 2010100272296 A CN2010100272296 A CN 2010100272296A CN 201010027229 A CN201010027229 A CN 201010027229A CN 102117751 A CN102117751 A CN 102117751A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000004065 semiconductor Substances 0.000 title abstract description 4
- 229910044991 metal oxide Inorganic materials 0.000 title abstract 2
- 150000004706 metal oxides Chemical class 0.000 title abstract 2
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000011229 interlayer Substances 0.000 claims abstract description 12
- 238000005530 etching Methods 0.000 claims abstract description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000010703 silicon Substances 0.000 claims abstract description 8
- 238000000137 annealing Methods 0.000 claims abstract description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 4
- 239000010937 tungsten Substances 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 8
- 238000000206 photolithography Methods 0.000 claims description 6
- 238000007669 thermal treatment Methods 0.000 claims description 6
- 229920005591 polysilicon Polymers 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000000407 epitaxy Methods 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 238000002513 implantation Methods 0.000 claims 3
- 239000005380 borophosphosilicate glass Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 2
- HAYXDMNJJFVXCI-UHFFFAOYSA-N arsenic(5+) Chemical compound [As+5] HAYXDMNJJFVXCI-UHFFFAOYSA-N 0.000 claims 1
- 239000000428 dust Substances 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 238000001465 metallisation Methods 0.000 abstract description 2
- 210000000746 body region Anatomy 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 abstract 1
- 230000007423 decrease Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Electrodes Of Semiconductors (AREA)
Abstract
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Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201010027229 CN102117751B (zh) | 2010-01-06 | 2010-01-06 | 小线宽沟槽dmos的实现方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201010027229 CN102117751B (zh) | 2010-01-06 | 2010-01-06 | 小线宽沟槽dmos的实现方法 |
Publications (2)
Publication Number | Publication Date |
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CN102117751A true CN102117751A (zh) | 2011-07-06 |
CN102117751B CN102117751B (zh) | 2012-12-12 |
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Application Number | Title | Priority Date | Filing Date |
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CN 201010027229 Active CN102117751B (zh) | 2010-01-06 | 2010-01-06 | 小线宽沟槽dmos的实现方法 |
Country Status (1)
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CN (1) | CN102117751B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104377133A (zh) * | 2013-08-14 | 2015-02-25 | 北大方正集团有限公司 | 沟槽型双扩散金属氧化物半导体晶体管的制作方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5316959A (en) * | 1992-08-12 | 1994-05-31 | Siliconix, Incorporated | Trenched DMOS transistor fabrication using six masks |
DE102004009323B4 (de) * | 2004-02-26 | 2017-02-16 | Infineon Technologies Ag | Vertikaler DMOS-Transistor mit Grabenstruktur und Verfahren zu seiner Herstellung |
CN101515547B (zh) * | 2008-02-20 | 2011-02-16 | 中国科学院微电子研究所 | 制备超结vdmos器件的方法 |
CN101383287B (zh) * | 2008-09-27 | 2010-12-08 | 电子科技大学 | 一种垂直双扩散金属氧化物半导体器件的制造方法 |
-
2010
- 2010-01-06 CN CN 201010027229 patent/CN102117751B/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104377133A (zh) * | 2013-08-14 | 2015-02-25 | 北大方正集团有限公司 | 沟槽型双扩散金属氧化物半导体晶体管的制作方法 |
CN104377133B (zh) * | 2013-08-14 | 2018-03-16 | 北大方正集团有限公司 | 沟槽型双扩散金属氧化物半导体晶体管的制作方法 |
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Publication number | Publication date |
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CN102117751B (zh) | 2012-12-12 |
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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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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: 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. |