CN102569079B - 具有自对准金属硅化工艺的双栅ldmos的制备方法 - Google Patents
具有自对准金属硅化工艺的双栅ldmos的制备方法 Download PDFInfo
- Publication number
- CN102569079B CN102569079B CN201010595285.XA CN201010595285A CN102569079B CN 102569079 B CN102569079 B CN 102569079B CN 201010595285 A CN201010595285 A CN 201010595285A CN 102569079 B CN102569079 B CN 102569079B
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- Prior art keywords
- gate
- layer
- shielding
- metal
- control gate
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 46
- 239000002184 metal Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims description 14
- 239000004065 semiconductor Substances 0.000 title description 3
- 229910044991 metal oxide Inorganic materials 0.000 title description 2
- 150000004706 metal oxides Chemical class 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 36
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 23
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 210000000746 body region Anatomy 0.000 claims abstract description 12
- 238000005530 etching Methods 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 24
- 229920005591 polysilicon Polymers 0.000 claims description 24
- 238000000151 deposition Methods 0.000 claims description 12
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000000206 photolithography Methods 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 238000001259 photo etching Methods 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000010884 ion-beam technique Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/65—Lateral DMOS [LDMOS] FETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0212—Manufacture or treatment of FETs having insulated gates [IGFET] using self-aligned silicidation
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/111—Field plates
Landscapes
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010595285.XA CN102569079B (zh) | 2010-12-17 | 2010-12-17 | 具有自对准金属硅化工艺的双栅ldmos的制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010595285.XA CN102569079B (zh) | 2010-12-17 | 2010-12-17 | 具有自对准金属硅化工艺的双栅ldmos的制备方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102569079A CN102569079A (zh) | 2012-07-11 |
| CN102569079B true CN102569079B (zh) | 2014-12-10 |
Family
ID=46414187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010595285.XA Active CN102569079B (zh) | 2010-12-17 | 2010-12-17 | 具有自对准金属硅化工艺的双栅ldmos的制备方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102569079B (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3217434A1 (en) * | 2016-03-11 | 2017-09-13 | MediaTek Inc. | Semiconductor device capable of high-voltage operation |
| US10396166B2 (en) | 2016-03-11 | 2019-08-27 | Mediatek Inc. | Semiconductor device capable of high-voltage operation |
| US10418480B2 (en) | 2016-03-11 | 2019-09-17 | Mediatek Inc. | Semiconductor device capable of high-voltage operation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6825531B1 (en) * | 2003-07-11 | 2004-11-30 | Micrel, Incorporated | Lateral DMOS transistor with a self-aligned drain region |
| 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 |
| CN101901786B (zh) * | 2009-05-26 | 2012-04-18 | 上海华虹Nec电子有限公司 | 包含dmos晶体管的集成电路的制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4380863A (en) * | 1979-12-10 | 1983-04-26 | Texas Instruments Incorporated | Method of making double level polysilicon series transistor devices |
| NL8204855A (nl) * | 1982-12-16 | 1984-07-16 | Philips Nv | Veldeffekttransistor met geisoleerde stuurelektrode en werkwijze ter vervaardiging daarvan. |
| US6642115B1 (en) * | 2000-05-15 | 2003-11-04 | International Business Machines Corporation | Double-gate FET with planarized surfaces and self-aligned silicides |
| EP1661186A2 (en) * | 2003-08-27 | 2006-05-31 | Koninklijke Philips Electronics N.V. | Electronic device comprising an ldmos transistor |
| US7329922B2 (en) * | 2004-11-30 | 2008-02-12 | Agere Systems Inc. | Dual-gate metal-oxide semiconductor device |
| US20070105320A1 (en) * | 2005-08-31 | 2007-05-10 | Xiao ("Charles") Yang | Method and Structure of Multi-Surface Transistor Device |
-
2010
- 2010-12-17 CN CN201010595285.XA patent/CN102569079B/zh active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6825531B1 (en) * | 2003-07-11 | 2004-11-30 | Micrel, Incorporated | Lateral DMOS transistor with a self-aligned drain region |
| 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 |
| CN101901786B (zh) * | 2009-05-26 | 2012-04-18 | 上海华虹Nec电子有限公司 | 包含dmos晶体管的集成电路的制备方法 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3217434A1 (en) * | 2016-03-11 | 2017-09-13 | MediaTek Inc. | Semiconductor device capable of high-voltage operation |
| TWI656639B (zh) | 2016-03-11 | 2019-04-11 | 聯發科技股份有限公司 | 半導體器件及其形成方法 |
| US10396166B2 (en) | 2016-03-11 | 2019-08-27 | Mediatek Inc. | Semiconductor device capable of high-voltage operation |
| US10418480B2 (en) | 2016-03-11 | 2019-09-17 | Mediatek Inc. | Semiconductor device capable of high-voltage operation |
| US10541328B2 (en) | 2016-03-11 | 2020-01-21 | Mediatek Inc. | Semiconductor device capable of high-voltage operation |
| US10879389B2 (en) | 2016-03-11 | 2020-12-29 | Mediatek Inc | Semiconductor device capable of high-voltage operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102569079A (zh) | 2012-07-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING Free format text: FORMER OWNER: HUAHONG NEC ELECTRONICS CO LTD, SHANGHAI Effective date: 20140103 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201206 PUDONG NEW AREA, SHANGHAI TO: 201203 PUDONG NEW AREA, SHANGHAI |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140103 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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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |