JP4587003B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP4587003B2 JP4587003B2 JP2008174352A JP2008174352A JP4587003B2 JP 4587003 B2 JP4587003 B2 JP 4587003B2 JP 2008174352 A JP2008174352 A JP 2008174352A JP 2008174352 A JP2008174352 A JP 2008174352A JP 4587003 B2 JP4587003 B2 JP 4587003B2
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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
- H10D62/112—Constructional design considerations for preventing surface leakage or controlling electric field concentration for preventing surface leakage due to surface inversion layers, e.g. by using channel stoppers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0167—Manufacturing their channels
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/017—Manufacturing their source or drain regions, e.g. silicided source or drain regions
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/80—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
- 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
- H10D84/856—Complementary IGFETs, e.g. CMOS the complementary IGFETs having different architectures than each other, e.g. high-voltage and low-voltage CMOS
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/124—Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
- H10D62/126—Top-view geometrical layouts of the regions or the junctions
- H10D62/127—Top-view geometrical layouts of the regions or the junctions of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/149—Source or drain regions of field-effect devices
- H10D62/151—Source or drain regions of field-effect devices of IGFETs
- H10D62/156—Drain regions of DMOS transistors
- H10D62/157—Impurity concentrations or distributions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/393—Body regions of DMOS transistors or IGBTs
-
- 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
-
- 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
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- 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
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
第1導電型の半導体基板と、
前記半導体基板に設けられた、第2導電型のウェルと、
前記ウェルに設けられた、第1導電型の第1不純物領域と、
前記ウェルに設けられ、かつ、前記第1不純物領域の周囲に、前記第1不純物領域と離間して設けられた第2導電型の第2不純物領域と、
前記ウェルの周囲に設けられ、かつ、前記第2不純物領域と離間して設けられた第1導電型の第3不純物領域と、
を有し、
前記ウェルは、前記第2不純物領域よりも不純物濃度が小さく、かつ、前記第1不純物領域、前記第2不純物領域、および前記第3不純物領域よりも前記半導体基板の厚み方向に深く形成され、
前記第1不純物領域および前記第2不純物領域の間の最小の間隔は、前記第2不純物領域および前記第3不純物領域の間の最小の間隔よりも小さい。
前記第1不純物領域は、LDMOSのボディ領域を構成することができる。
前記第1不純物領域は、オフセットドレインMOSのドリフト領域を構成することができる。
前記第2不純物領域の外周の少なくとも一部は、前記ウェルの外周よりも外側に存在することができる。
前記ウェルは、ドライブイン拡散法によって形成され、
前記第1不純物領域、前記第2不純物領域および前記第3不純物領域は、高エネルギーイオン注入法によって形成されたレトログレイドウェルであることができる。
Claims (5)
- 第1導電型の半導体基板内に設けられた、第2導電型のウェルと、
前記ウェル内に設けられ、ボディ領域を構成する第1導電型の第1不純物領域と、
少なくとも一部が前記ウェル内に設けられてドレイン領域を構成し、かつ、前記第1不純物領域を取り囲むように前記第1不純物領域と離間して設けられた第2導電型の第2不純物領域と、
前記ウェルを取り囲むように設けられ、かつ、前記第2不純物領域と離間して設けられた第1導電型の第3不純物領域と、
を有し、
前記ウェルは、前記第1不純物領域、前記第2不純物領域、および前記第3不純物領域よりも前記半導体基板の厚み方向に深く形成され、
前記第1不純物領域および前記第2不純物領域の間の最小の間隔は、前記第2不純物領域および前記第3不純物領域の間の最小の間隔よりも小さい、半導体装置。 - 第1導電型の半導体基板内に設けられた、第2導電型のウェルと、
前記ウェル内に設けられ、ドレイン領域を構成する第1導電型の第1不純物領域と、
少なくとも一部が前記ウェル内に設けられてゲート領域の一部を構成し、かつ、前記第1不純物領域を取り囲むように前記第1不純物領域と離間して設けられた第2導電型の第2不純物領域と、
前記ウェルを取り囲むように設けられ、かつ、前記第2不純物領域と離間して設けられた第1導電型の第3不純物領域と、
を有し、
前記ウェルは、前記第1不純物領域、前記第2不純物領域、および前記第3不純物領域よりも前記半導体基板の厚み方向に深く形成され、
前記第1不純物領域および前記第2不純物領域の間の最小の間隔は、前記第2不純物領域および前記第3不純物領域の間の最小の間隔よりも小さい、半導体装置。 - 請求項1または請求項2に記載の半導体装置において、
前記第2不純物領域の外周の少なくとも一部は、前記ウェルの外周よりも外側に存在する、半導体装置。 - 請求項1ないし請求項3のいずれか1項に記載の半導体装置において、
前記ウェルは、ドライブイン拡散法によって形成され、
前記第1不純物領域、前記第2不純物領域および前記第3不純物領域は、高エネルギーイオン注入法によって形成されたレトログレイドウェルである、半導体装置。 - 請求項1ないし請求項4のいずれか一項に記載の半導体装置において、
前記ウェルの不純物濃度は、前記第2不純物領域の不純物濃度よりも小さい、半導体装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008174352A JP4587003B2 (ja) | 2008-07-03 | 2008-07-03 | 半導体装置 |
US12/492,082 US8330219B2 (en) | 2008-07-03 | 2009-06-25 | Semiconductor device with high-voltage breakdown protection |
US13/670,860 US20130062694A1 (en) | 2008-07-03 | 2012-11-07 | Semiconductor device with high-voltage breakdown protection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008174352A JP4587003B2 (ja) | 2008-07-03 | 2008-07-03 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010016155A JP2010016155A (ja) | 2010-01-21 |
JP4587003B2 true JP4587003B2 (ja) | 2010-11-24 |
Family
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JP2008174352A Active JP4587003B2 (ja) | 2008-07-03 | 2008-07-03 | 半導体装置 |
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US (2) | US8330219B2 (ja) |
JP (1) | JP4587003B2 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1401729B1 (it) | 2010-06-17 | 2013-08-02 | St Microelectronics Srl | Procedimento per la fabbricazione di dispositivi integrati di potenza con corrugazioni superficiali e dispositivo integrato di potenza con corrugazioni superficiali |
JP6027771B2 (ja) * | 2012-05-28 | 2016-11-16 | キヤノン株式会社 | 半導体装置、半導体装置の製造方法及び液体吐出装置 |
US9356045B2 (en) * | 2013-06-10 | 2016-05-31 | Raytheon Company | Semiconductor structure having column III-V isolation regions |
US9917168B2 (en) * | 2013-06-27 | 2018-03-13 | Taiwan Semiconductor Manufacturing Company, Ltd. | Metal oxide semiconductor field effect transistor having variable thickness gate dielectric |
TWI566376B (zh) * | 2013-07-22 | 2017-01-11 | 旺宏電子股份有限公司 | 半導體裝置及其製造方法 |
JP6252022B2 (ja) | 2013-08-05 | 2017-12-27 | セイコーエプソン株式会社 | 半導体装置 |
US9136373B2 (en) * | 2013-08-16 | 2015-09-15 | Macronix International Co., Ltd. | Semiconductor device and manufacturing method for the same |
US9269806B2 (en) * | 2013-10-03 | 2016-02-23 | Macronix International Co., Ltd. | Semiconductor device and method of fabricating same |
JP6455023B2 (ja) * | 2014-08-27 | 2019-01-23 | セイコーエプソン株式会社 | 半導体装置及びその製造方法 |
CN104659079B (zh) * | 2015-01-22 | 2017-12-05 | 上海华虹宏力半导体制造有限公司 | 隔离型nldmos器件及其制造方法 |
JP6651957B2 (ja) * | 2016-04-06 | 2020-02-19 | 株式会社デンソー | 半導体装置およびその製造方法 |
US9899513B1 (en) * | 2016-12-29 | 2018-02-20 | Macronix International Co., Ltd. | Lateral diffused metal oxide semiconductor transistor and manufacturing method thereof |
JP7010100B2 (ja) * | 2017-08-30 | 2022-01-26 | セイコーエプソン株式会社 | モーター駆動回路、半導体装置、及び、電子機器 |
CN108847423B (zh) * | 2018-05-30 | 2022-10-21 | 矽力杰半导体技术(杭州)有限公司 | 半导体器件及其制造方法 |
US11862693B2 (en) * | 2020-08-24 | 2024-01-02 | Globalfoundries Singapore Pte. Ltd. | Semiconductor devices including a drain captive structure having an air gap and methods of forming the same |
Citations (7)
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JPH11330452A (ja) * | 1998-05-11 | 1999-11-30 | Matsushita Electron Corp | 半導体装置およびその製造方法 |
JP2002110970A (ja) * | 2000-09-28 | 2002-04-12 | Toshiba Corp | 半導体装置 |
JP2004200359A (ja) * | 2002-12-18 | 2004-07-15 | Ricoh Co Ltd | 半導体装置及びその製造方法 |
JP2005260055A (ja) * | 2004-03-12 | 2005-09-22 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
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JP2007088334A (ja) * | 2005-09-26 | 2007-04-05 | Rohm Co Ltd | 半導体装置およびその製造方法 |
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-
2008
- 2008-07-03 JP JP2008174352A patent/JP4587003B2/ja active Active
-
2009
- 2009-06-25 US US12/492,082 patent/US8330219B2/en not_active Expired - Fee Related
-
2012
- 2012-11-07 US US13/670,860 patent/US20130062694A1/en not_active Abandoned
Patent Citations (7)
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JPH11330452A (ja) * | 1998-05-11 | 1999-11-30 | Matsushita Electron Corp | 半導体装置およびその製造方法 |
JP2002110970A (ja) * | 2000-09-28 | 2002-04-12 | Toshiba Corp | 半導体装置 |
JP2004200359A (ja) * | 2002-12-18 | 2004-07-15 | Ricoh Co Ltd | 半導体装置及びその製造方法 |
JP2005260055A (ja) * | 2004-03-12 | 2005-09-22 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
JP2007535813A (ja) * | 2004-04-30 | 2007-12-06 | フリースケール セミコンダクター インコーポレイテッド | アバランシェを阻止できる大電流mosデバイスおよび動作方法。 |
JP2006210532A (ja) * | 2005-01-26 | 2006-08-10 | Toyota Motor Corp | 半導体装置の製造方法 |
JP2007088334A (ja) * | 2005-09-26 | 2007-04-05 | Rohm Co Ltd | 半導体装置およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20130062694A1 (en) | 2013-03-14 |
US20100001345A1 (en) | 2010-01-07 |
JP2010016155A (ja) | 2010-01-21 |
US8330219B2 (en) | 2012-12-11 |
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