CN102522327A - 自对准低电阻栅极rf ldmos的制造方法 - Google Patents
自对准低电阻栅极rf ldmos的制造方法 Download PDFInfo
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- CN102522327A CN102522327A CN2011104344921A CN201110434492A CN102522327A CN 102522327 A CN102522327 A CN 102522327A CN 2011104344921 A CN2011104344921 A CN 2011104344921A CN 201110434492 A CN201110434492 A CN 201110434492A CN 102522327 A CN102522327 A CN 102522327A
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- gate
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- ldmos
- oxide layer
- metal
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000004065 semiconductor Substances 0.000 title abstract description 3
- 229910044991 metal oxide Inorganic materials 0.000 title abstract 2
- 150000004706 metal oxides Chemical class 0.000 title abstract 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 14
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005530 etching Methods 0.000 claims abstract description 10
- 238000000137 annealing Methods 0.000 claims abstract description 6
- 238000001312 dry etching Methods 0.000 claims abstract description 5
- 229920005591 polysilicon Polymers 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000000151 deposition Methods 0.000 abstract description 5
- 230000008021 deposition Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910021341 titanium silicide Inorganic materials 0.000 description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 2
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
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- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
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Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011104344921A CN102522327A (zh) | 2011-12-22 | 2011-12-22 | 自对准低电阻栅极rf ldmos的制造方法 |
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CN2011104344921A CN102522327A (zh) | 2011-12-22 | 2011-12-22 | 自对准低电阻栅极rf ldmos的制造方法 |
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CN102522327A true CN102522327A (zh) | 2012-06-27 |
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CN2011104344921A Pending CN102522327A (zh) | 2011-12-22 | 2011-12-22 | 自对准低电阻栅极rf ldmos的制造方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103715093A (zh) * | 2012-10-09 | 2014-04-09 | 上海华虹宏力半导体制造有限公司 | P型ldmos中改善漏电的工艺方法 |
CN104282569A (zh) * | 2013-07-05 | 2015-01-14 | 上海华虹宏力半导体制造有限公司 | Rfldmos的制作工艺方法 |
CN112447517A (zh) * | 2019-08-30 | 2021-03-05 | 株洲中车时代半导体有限公司 | 一种栅极退火及侧墙形成方法 |
Citations (9)
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US5956584A (en) * | 1998-03-30 | 1999-09-21 | Texas Instruments - Acer Incorporated | Method of making self-aligned silicide CMOS transistors |
US6555438B1 (en) * | 1998-02-19 | 2003-04-29 | Shye-Lin Wu | Method for fabricating MOSFETs with a recessed self-aligned silicide contact and extended source/drain junctions |
CN1463045A (zh) * | 2002-05-29 | 2003-12-24 | 株式会社东芝 | 半导体器件及其制造方法 |
CN1691295A (zh) * | 2004-04-23 | 2005-11-02 | 中国科学院微电子研究所 | 用于射频横向扩散场效应晶体管的自对准硅化物方法 |
US20060163675A1 (en) * | 2005-01-19 | 2006-07-27 | Kabushiki Kaisha Toshiba | Semiconductor device and method of manufacturing the same |
US20060281305A1 (en) * | 2005-06-13 | 2006-12-14 | Sug-Woo Jung | Methods of forming self-aligned silicide layers using multiple thermal processes |
CN101123271A (zh) * | 2006-08-11 | 2008-02-13 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其制造方法 |
CN101165917A (zh) * | 2006-10-18 | 2008-04-23 | 台湾积体电路制造股份有限公司 | 具有连续接触蚀刻停止层的金属氧化物半导体元件 |
CN101853813A (zh) * | 2009-03-31 | 2010-10-06 | 台湾积体电路制造股份有限公司 | 半导体装置及其制造方法 |
-
2011
- 2011-12-22 CN CN2011104344921A patent/CN102522327A/zh active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6555438B1 (en) * | 1998-02-19 | 2003-04-29 | Shye-Lin Wu | Method for fabricating MOSFETs with a recessed self-aligned silicide contact and extended source/drain junctions |
US5956584A (en) * | 1998-03-30 | 1999-09-21 | Texas Instruments - Acer Incorporated | Method of making self-aligned silicide CMOS transistors |
CN1463045A (zh) * | 2002-05-29 | 2003-12-24 | 株式会社东芝 | 半导体器件及其制造方法 |
CN1691295A (zh) * | 2004-04-23 | 2005-11-02 | 中国科学院微电子研究所 | 用于射频横向扩散场效应晶体管的自对准硅化物方法 |
US20060163675A1 (en) * | 2005-01-19 | 2006-07-27 | Kabushiki Kaisha Toshiba | Semiconductor device and method of manufacturing the same |
US20060281305A1 (en) * | 2005-06-13 | 2006-12-14 | Sug-Woo Jung | Methods of forming self-aligned silicide layers using multiple thermal processes |
CN101123271A (zh) * | 2006-08-11 | 2008-02-13 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其制造方法 |
CN101165917A (zh) * | 2006-10-18 | 2008-04-23 | 台湾积体电路制造股份有限公司 | 具有连续接触蚀刻停止层的金属氧化物半导体元件 |
CN101853813A (zh) * | 2009-03-31 | 2010-10-06 | 台湾积体电路制造股份有限公司 | 半导体装置及其制造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103715093A (zh) * | 2012-10-09 | 2014-04-09 | 上海华虹宏力半导体制造有限公司 | P型ldmos中改善漏电的工艺方法 |
CN104282569A (zh) * | 2013-07-05 | 2015-01-14 | 上海华虹宏力半导体制造有限公司 | Rfldmos的制作工艺方法 |
CN112447517A (zh) * | 2019-08-30 | 2021-03-05 | 株洲中车时代半导体有限公司 | 一种栅极退火及侧墙形成方法 |
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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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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 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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Application publication date: 20120627 |