JP6688653B2 - 半導体装置および半導体装置の製造方法 - Google Patents
半導体装置および半導体装置の製造方法 Download PDFInfo
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- H10D84/82—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components
- H10D84/83—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET]
- H10D84/85—Complementary IGFETs, e.g. CMOS
- H10D84/859—Complementary IGFETs, e.g. CMOS comprising both N-type and P-type wells, e.g. twin-tub
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- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
- H10D64/516—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
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- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Semiconductor Integrated Circuits (AREA)
Description
前記半導体基板も表面にP型ウェル領域および第1のN型ウェル領域を形成する工程と、第2のN型ウェル領域を前記第1のウェル領域よりも浅く形成する工程と、前記フィールド酸化膜形成領域下にN型不純物をイオン注入し、酸化拡散してフィールド酸化膜とN型中濃度拡散領域を同時に形成する工程と、前記フィールド酸化膜の無い領域にチャネル領域を形成する工程と、前記チャネル領域上にゲート酸化膜を介してゲート電極を形成する工程と、ゲート電極およびフィールド酸化膜をマスクとして高濃度のN型不純物をイオン注入してN型高濃度ソース領域およびN型高濃度ドレイン領域を形成する工程と、層間絶縁膜形成工程と、コンタクトビア形成工程と、配線工程と、保護膜形成工程と、からなることを特徴とする半導体装置の製造方法とした。
101 P型ウェル領域
102 N型ウェル領域
103 N型低濃度拡散領域(第2のN型ウェル領域)
104 フィールド酸化膜
105 N型中濃度拡散領域
106 ゲート酸化膜
107 チャネル領域
108 ゲート電極
109 N型高濃度ソース領域
110 N型高濃度ドレイン領域
X1 チャネル領域〜N型低濃度拡散領域間距離
X2 N型低濃度拡散領域〜N型ウェル領域間距離
X3 N型低濃度拡散領域〜N型高濃度ドレイン領域間距離
a、b、c、d、e、f N型拡散領域(電界緩和領域)
Claims (3)
- 半導体基板上に設けられたフィールド酸化膜およびゲート酸化膜と、
前記ゲート酸化膜を介して設けられ、一端が前記フィールド酸化膜上に延在するゲート電極と、
前記ゲート電極の他端に設けられたN型高濃度ソース領域と、
前記N型高濃度ソース領域と前記フィールド酸化膜の一方の端部に挟まれ、前記ゲート酸化膜下に設けられたチャネル領域と、
前記チャネル領域を含むP型ウェル領域と、
前記フィールド酸化膜の前記一方の端部の反対側となる他方の端部に設けられたN型高濃度ドレイン領域と、
前記フィールド酸化膜の下方であって、前記N型高濃度ドレイン領域の周囲に設けられた複数の電界緩和領域と、
からなるNチャネル型MOSトランジスタを有する半導体装置であって、
前記複数の電界緩和領域は、
前記P型ウェル領域に隣接した第1のN型ウェル領域と
前記P型ウェル領域および前記第1のN型ウェル領域に重畳し、かつ、前記第1のN型ウェル領域より浅く形成された第2のN型ウェル領域と、
前記P型ウェル領域と前記第1のN型ウェル領域および前記第2のN型ウェル領域に重畳し、かつ、前記第2のN型ウェル領域より浅く前記フィールド酸化膜の直下に形成されたN型中濃度領域と、を有することを特徴とする半導体装置。 - 前記第2のN型ウェル領域は、前記第1のN型ウェル領域より高濃度であることを特徴とする請求項1記載の半導体装置。
- 前記第2のN型ウェル領域が前記フィールド酸化膜上に延在した前記ゲート電極と重畳しないことを特徴とする請求項1または2に記載の半導体装置。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016069165A JP6688653B2 (ja) | 2016-03-30 | 2016-03-30 | 半導体装置および半導体装置の製造方法 |
| US15/469,803 US10096591B2 (en) | 2016-03-30 | 2017-03-27 | Semiconductor device having an electrostatic protection element |
| TW106110211A TWI721140B (zh) | 2016-03-30 | 2017-03-28 | 半導體裝置以及半導體裝置的製造方法 |
| CN201710195980.9A CN107275401B (zh) | 2016-03-30 | 2017-03-29 | 半导体装置和半导体装置的制造方法 |
| KR1020170039818A KR102255545B1 (ko) | 2016-03-30 | 2017-03-29 | 반도체 장치 및 반도체 장치의 제조 방법 |
| US16/123,349 US10777544B2 (en) | 2016-03-30 | 2018-09-06 | Method of manufacturing a semiconductor device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016069165A JP6688653B2 (ja) | 2016-03-30 | 2016-03-30 | 半導体装置および半導体装置の製造方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2017183544A JP2017183544A (ja) | 2017-10-05 |
| JP6688653B2 true JP6688653B2 (ja) | 2020-04-28 |
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| JP2016069165A Expired - Fee Related JP6688653B2 (ja) | 2016-03-30 | 2016-03-30 | 半導体装置および半導体装置の製造方法 |
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| Country | Link |
|---|---|
| US (2) | US10096591B2 (ja) |
| JP (1) | JP6688653B2 (ja) |
| KR (1) | KR102255545B1 (ja) |
| CN (1) | CN107275401B (ja) |
| TW (1) | TWI721140B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6723775B2 (ja) * | 2016-03-16 | 2020-07-15 | エイブリック株式会社 | 半導体装置および半導体装置の製造方法 |
| WO2020189179A1 (ja) * | 2019-03-20 | 2020-09-24 | ソニーセミコンダクタソリューションズ株式会社 | 受光素子および受光素子の製造方法ならびに撮像装置 |
| JP7216629B2 (ja) * | 2019-09-12 | 2023-02-01 | 株式会社東芝 | 半導体装置 |
| JP7500247B2 (ja) * | 2020-03-31 | 2024-06-17 | エイブリック株式会社 | 半導体装置 |
| US12513941B2 (en) * | 2022-06-24 | 2025-12-30 | Vanguard International Semiconductor Corporation | Semiconductor device and method for forming the same |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04356965A (ja) * | 1991-06-03 | 1992-12-10 | Sony Corp | 半導体装置 |
| US5369045A (en) * | 1993-07-01 | 1994-11-29 | Texas Instruments Incorporated | Method for forming a self-aligned lateral DMOS transistor |
| US6198131B1 (en) * | 1998-12-07 | 2001-03-06 | United Microelectronics Corp. | High-voltage metal-oxide semiconductor |
| JP4308096B2 (ja) * | 2004-07-01 | 2009-08-05 | パナソニック株式会社 | 半導体装置及びその製造方法 |
| JP2007266473A (ja) | 2006-03-29 | 2007-10-11 | Mitsumi Electric Co Ltd | 半導体装置 |
| JP2009152442A (ja) * | 2007-12-21 | 2009-07-09 | Panasonic Corp | 半導体装置及びその製造方法 |
| JP5296450B2 (ja) * | 2008-08-13 | 2013-09-25 | セイコーインスツル株式会社 | 半導体装置 |
| TWI416725B (zh) * | 2008-09-03 | 2013-11-21 | Nuvoton Technology Corp | 橫向擴散金氧半導體元件 |
| JP5361419B2 (ja) * | 2009-01-29 | 2013-12-04 | セイコーインスツル株式会社 | 半導体装置 |
| KR20100111021A (ko) * | 2009-04-06 | 2010-10-14 | 주식회사 동부하이텍 | 반도체 소자 및 그 제조 방법 |
| JP5769915B2 (ja) * | 2009-04-24 | 2015-08-26 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
| US8174070B2 (en) * | 2009-12-02 | 2012-05-08 | Alpha And Omega Semiconductor Incorporated | Dual channel trench LDMOS transistors and BCD process with deep trench isolation |
| KR101245935B1 (ko) * | 2010-07-09 | 2013-03-20 | 매그나칩 반도체 유한회사 | 반도체 소자 및 그 제조방법 |
| JP6279346B2 (ja) * | 2014-02-27 | 2018-02-14 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
| JP6346777B2 (ja) * | 2014-04-10 | 2018-06-20 | 旭化成エレクトロニクス株式会社 | 半導体装置の製造方法 |
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2016
- 2016-03-30 JP JP2016069165A patent/JP6688653B2/ja not_active Expired - Fee Related
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2017
- 2017-03-27 US US15/469,803 patent/US10096591B2/en not_active Expired - Fee Related
- 2017-03-28 TW TW106110211A patent/TWI721140B/zh not_active IP Right Cessation
- 2017-03-29 CN CN201710195980.9A patent/CN107275401B/zh not_active Expired - Fee Related
- 2017-03-29 KR KR1020170039818A patent/KR102255545B1/ko not_active Expired - Fee Related
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2018
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| Publication number | Publication date |
|---|---|
| TW201801289A (zh) | 2018-01-01 |
| US10777544B2 (en) | 2020-09-15 |
| US20190006347A1 (en) | 2019-01-03 |
| KR20170113346A (ko) | 2017-10-12 |
| US20170287898A1 (en) | 2017-10-05 |
| CN107275401B (zh) | 2021-06-22 |
| JP2017183544A (ja) | 2017-10-05 |
| KR102255545B1 (ko) | 2021-05-24 |
| US10096591B2 (en) | 2018-10-09 |
| TWI721140B (zh) | 2021-03-11 |
| CN107275401A (zh) | 2017-10-20 |
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