CN110612598B - 半导体装置 - Google Patents
半导体装置 Download PDFInfo
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- CN110612598B CN110612598B CN201880011097.2A CN201880011097A CN110612598B CN 110612598 B CN110612598 B CN 110612598B CN 201880011097 A CN201880011097 A CN 201880011097A CN 110612598 B CN110612598 B CN 110612598B
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 128
- 238000007667 floating Methods 0.000 claims description 102
- 239000012212 insulator Substances 0.000 claims description 67
- 210000000746 body region Anatomy 0.000 claims description 47
- 239000000758 substrate Substances 0.000 claims description 19
- 239000010410 layer Substances 0.000 description 55
- 239000010408 film Substances 0.000 description 51
- 230000000052 comparative effect Effects 0.000 description 25
- 230000008878 coupling Effects 0.000 description 24
- 238000010168 coupling process Methods 0.000 description 24
- 238000005859 coupling reaction Methods 0.000 description 24
- 230000015556 catabolic process Effects 0.000 description 15
- 230000005684 electric field Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
- H10D62/105—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE]
- H10D62/106—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE] having supplementary regions doped oppositely to or in rectifying contact with regions of the semiconductor bodies, e.g. guard rings with PN or Schottky junctions
-
- 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
- H10D64/112—Field plates comprising multiple field plate segments
-
- 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
- H10D64/23—Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
- H10D64/251—Source or drain electrodes for field-effect devices
-
- 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]
- H10D30/67—Thin-film transistors [TFT]
-
- 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]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
- H10D30/6713—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device characterised by the properties of the source or drain regions, e.g. compositions or sectional shapes
- H10D30/6715—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device characterised by the properties of the source or drain regions, e.g. compositions or sectional shapes characterised by the doping profiles, e.g. having lightly-doped source or drain extensions
- H10D30/6717—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device characterised by the properties of the source or drain regions, e.g. compositions or sectional shapes characterised by the doping profiles, e.g. having lightly-doped source or drain extensions the source and the drain regions being asymmetrical
-
- 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
- H10D62/113—Isolations within a component, i.e. internal isolations
- H10D62/115—Dielectric isolations, e.g. air gaps
- H10D62/116—Dielectric isolations, e.g. air gaps adjoining the input or output regions of field-effect devices, e.g. adjoining source or drain regions
-
- 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
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/351—Substrate regions of field-effect devices
- H10D62/357—Substrate regions of field-effect devices of FETs
- H10D62/364—Substrate regions of field-effect devices of FETs of IGFETs
- H10D62/371—Inactive supplementary semiconductor regions, e.g. for preventing punch-through, improving capacity effect or leakage current
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018078235 | 2018-04-16 | ||
JP2018-078235 | 2018-04-16 | ||
PCT/JP2018/040887 WO2019202760A1 (ja) | 2018-04-16 | 2018-11-02 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110612598A CN110612598A (zh) | 2019-12-24 |
CN110612598B true CN110612598B (zh) | 2023-02-14 |
Family
ID=68239424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201880011097.2A Active CN110612598B (zh) | 2018-04-16 | 2018-11-02 | 半导体装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10847610B2 (zh) |
JP (1) | JP7129408B2 (zh) |
CN (1) | CN110612598B (zh) |
WO (1) | WO2019202760A1 (zh) |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2605860B2 (ja) * | 1989-03-22 | 1997-04-30 | 富士電機株式会社 | 高耐圧素子を含む半導体装置 |
JPH0783048B2 (ja) | 1989-11-22 | 1995-09-06 | 三菱電機株式会社 | 半導体装置における電界集中防止構造およびその形成方法 |
US5204545A (en) | 1989-11-22 | 1993-04-20 | Mitsubishi Denki Kabushiki Kaisha | Structure for preventing field concentration in semiconductor device and method of forming the same |
JP2556175B2 (ja) | 1990-06-12 | 1996-11-20 | 三菱電機株式会社 | 半導体装置における電界集中防止構造 |
JP2739004B2 (ja) | 1992-01-16 | 1998-04-08 | 三菱電機株式会社 | 半導体装置 |
JPH08330579A (ja) * | 1995-05-31 | 1996-12-13 | Matsushita Electric Works Ltd | 横型半導体装置 |
JP3495498B2 (ja) * | 1996-03-15 | 2004-02-09 | 松下電工株式会社 | 半導体装置 |
JP3796998B2 (ja) | 1999-02-19 | 2006-07-12 | 松下電器産業株式会社 | 高耐圧半導体装置 |
JP4797225B2 (ja) * | 1999-05-27 | 2011-10-19 | 富士電機株式会社 | 半導体装置 |
EP1111683A3 (en) | 1999-12-17 | 2005-02-02 | Matsushita Electric Industrial Co., Ltd. | High-voltage semiconductor device |
JP3425131B2 (ja) | 1999-12-17 | 2003-07-07 | 松下電器産業株式会社 | 高耐圧半導体装置 |
JP4023062B2 (ja) | 2000-03-03 | 2007-12-19 | 松下電器産業株式会社 | 半導体装置 |
JP3654872B2 (ja) | 2001-06-04 | 2005-06-02 | 松下電器産業株式会社 | 高耐圧半導体装置 |
KR100535062B1 (ko) | 2001-06-04 | 2005-12-07 | 마츠시타 덴끼 산교 가부시키가이샤 | 고내압 반도체장치 |
JP3659195B2 (ja) * | 2001-06-18 | 2005-06-15 | サンケン電気株式会社 | 半導体装置及びその製造方法 |
US7125777B2 (en) * | 2004-07-15 | 2006-10-24 | Fairchild Semiconductor Corporation | Asymmetric hetero-doped high-voltage MOSFET (AH2MOS) |
JP2006237474A (ja) * | 2005-02-28 | 2006-09-07 | Matsushita Electric Ind Co Ltd | 半導体デバイス |
JP4973238B2 (ja) * | 2007-02-28 | 2012-07-11 | 三菱電機株式会社 | 半導体装置 |
JP5487852B2 (ja) * | 2008-09-30 | 2014-05-14 | サンケン電気株式会社 | 半導体装置 |
JP2010258355A (ja) * | 2009-04-28 | 2010-11-11 | Sharp Corp | 半導体装置及びその製造方法 |
JP2011049424A (ja) * | 2009-08-28 | 2011-03-10 | Sony Corp | 半導体デバイス |
DE102011076610A1 (de) * | 2010-06-04 | 2011-12-08 | Denso Corporation | Stromsensor, inverterschaltung und diese aufweisende halbleitervorrichtung |
US8304830B2 (en) * | 2010-06-10 | 2012-11-06 | Macronix International Co., Ltd. | LDPMOS structure for enhancing breakdown voltage and specific on resistance in biCMOS-DMOS process |
JP5718103B2 (ja) * | 2011-03-07 | 2015-05-13 | 株式会社 日立パワーデバイス | 半導体装置 |
US20130277741A1 (en) * | 2012-04-23 | 2013-10-24 | Globalfoundries Singapore Pte Ltd | Ldmos device with field effect structure to control breakdown voltage, and methods of making such a device |
JP5936513B2 (ja) * | 2012-10-12 | 2016-06-22 | 三菱電機株式会社 | 横型高耐圧トランジスタの製造方法 |
JP6030923B2 (ja) * | 2012-11-09 | 2016-11-24 | シャープ株式会社 | 半導体装置、及びその製造方法 |
JP6244177B2 (ja) * | 2013-11-12 | 2017-12-06 | 日立オートモティブシステムズ株式会社 | 半導体装置 |
JP6229646B2 (ja) * | 2013-12-20 | 2017-11-15 | 株式会社デンソー | 半導体装置 |
US9460926B2 (en) * | 2014-06-30 | 2016-10-04 | Alpha And Omega Semiconductor Incorporated | Forming JFET and LDMOS transistor in monolithic power integrated circuit using deep diffusion regions |
JP6388509B2 (ja) * | 2014-08-19 | 2018-09-12 | ラピスセミコンダクタ株式会社 | 半導体装置および半導体装置の製造方法 |
US9761668B2 (en) * | 2015-05-08 | 2017-09-12 | Rohm Co., Ltd. | Semiconductor device |
JP6718733B2 (ja) * | 2015-05-08 | 2020-07-08 | ローム株式会社 | 半導体装置 |
US9461046B1 (en) * | 2015-12-18 | 2016-10-04 | Texas Instruments Incorporated | LDMOS device with graded body doping |
-
2018
- 2018-11-02 JP JP2019525022A patent/JP7129408B2/ja active Active
- 2018-11-02 WO PCT/JP2018/040887 patent/WO2019202760A1/ja active Application Filing
- 2018-11-02 CN CN201880011097.2A patent/CN110612598B/zh active Active
-
2019
- 2019-08-01 US US16/529,564 patent/US10847610B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP7129408B2 (ja) | 2022-09-01 |
JPWO2019202760A1 (ja) | 2021-03-11 |
CN110612598A (zh) | 2019-12-24 |
WO2019202760A1 (ja) | 2019-10-24 |
US10847610B2 (en) | 2020-11-24 |
US20190355809A1 (en) | 2019-11-21 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20200603 Address after: Kyoto Japan Applicant after: Panasonic semiconductor solutions Co.,Ltd. Address before: Osaka Japan Applicant before: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co.,Ltd. |
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Address after: Kyoto Japan Applicant after: Nuvoton Technology Corporation Japan Address before: Kyoto Japan Applicant before: Panasonic semiconductor solutions Co.,Ltd. |
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