JP4108608B2 - 2重ゲート酸化物高電圧半導体装置とこの半導体装置を製造する方法 - Google Patents
2重ゲート酸化物高電圧半導体装置とこの半導体装置を製造する方法 Download PDFInfo
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- JP4108608B2 JP4108608B2 JP2003551845A JP2003551845A JP4108608B2 JP 4108608 B2 JP4108608 B2 JP 4108608B2 JP 2003551845 A JP2003551845 A JP 2003551845A JP 2003551845 A JP2003551845 A JP 2003551845A JP 4108608 B2 JP4108608 B2 JP 4108608B2
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- 239000004065 semiconductor Substances 0.000 title claims description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 230000009977 dual effect Effects 0.000 title claims 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 42
- 229910052710 silicon Inorganic materials 0.000 claims description 42
- 239000010703 silicon Substances 0.000 claims description 42
- 210000000746 body region Anatomy 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 description 21
- 230000007423 decrease Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 230000001010 compromised effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7816—Lateral DMOS transistors, i.e. LDMOS transistors
- H01L29/7824—Lateral DMOS transistors, i.e. LDMOS transistors with a substrate comprising an insulating layer, e.g. SOI-LDMOS transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28247—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon passivation or protection of the electrode, e.g. using re-oxidation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42364—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity
- H01L29/42368—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity the thickness being non-uniform
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
Claims (8)
- 半導体基板上部に形成された埋め込み酸化層と、
前記埋め込み酸化層上部に形成され、ソース領域と本体領域とドリフト領域とドレイン領域とを備えたシリコン層と、
前記シリコン層の前記ドリフト領域上部に形成された上部酸化層と、
前記上部酸化層に隣接し、前記シリコン層の前記ドリフト領域と前記本体領域と前記ソース領域との上部に形成された第一ゲート酸化物と、
前記ドリフト領域上の前記第一ゲート酸化物の上部であって前記上部酸化層に隣接して形成された第二ゲート酸化物と、
前記上部酸化層と前記第一ゲート酸化物と前記第二ゲート酸化物との上部に形成されたフィールド・プレートとを備えた二重ゲート酸化物高電圧半導体装置。 - 前記第一ゲート酸化物の厚みは300乃至600Åの範囲にあり、前記第二ゲート酸化物の厚みは900乃至1200Åの範囲にある請求項1に記載の二重ゲート酸化物高電圧半導体装置。
- 前記第一ゲート酸化物の前記ドリフト領域と前記本体領域と前記ソース領域との上部における長さは3乃至4μmであり、前記第二ゲート酸化物の前記上部酸化層と前記本体領域との間の前記第一ゲート酸化物上部における長さは1乃至2μmである請求項1または2に記載の二重ゲート酸化物高電圧半導体装置。
- 厚みが1200Åの前記第二ゲート酸化物を含むことにより、該二重ゲート酸化物高電圧半導体装置の、最大許容電荷が1e12cm―2乃至2e12cm―2 まで増加し、前記第二ゲート酸化物を含まない場合より比オン抵抗が30%低下する請求項1乃至3いずれかに記載の二重ゲート酸化物高電圧半導体装置。
- 半導体基板上部に埋め込み酸化層を形成する工程と、
前記埋め込み酸化層上部にソース領域と本体領域とドリフト領域とドレイン領域とを備えたシリコン層を形成する工程と、
前記シリコン層の前記ドリフト領域上部に上部酸化層を形成する工程と、
前記シリコン層の前記ドリフト領域と前記本体領域と前記ソース領域との上部であって前記上部酸化層に隣接する第一ゲート酸化物を形成する工程と、
前記ドリフト領域上の前記第一ゲート酸化物の上部であって前記上部酸化層に隣接する第二ゲート酸化物を形成する工程と、
前記上部酸化層と前記第一ゲート酸化物と前記第二ゲート酸化物との上部にフィールド・プレートを形成する工程とを備えた二重ゲート酸化物高電圧半導体装置の製造方法。 - 前記第一ゲート酸化物を形成する工程及び前記第二ゲート酸化物を形成する工程では、
前記シリコン層の前記ドリフト領域と前記本体領域と前記ソース領域との上部であって前記上部酸化層に隣接する前記第一ゲート酸化物を成長させ、
前記第一ゲート酸化物上部にマスクを設け、
前記ドリフト領域上の前記第一ゲート酸化物の上部であって前記上部酸化層に隣接する前記第二ゲート酸化物を成長させる請求項5に記載の二重ゲート酸化物高電圧半導体装置の製造方法。 - 前記第一ゲート酸化物の厚みは300乃至600Åの範囲にあり、前記第二ゲート酸化物の厚みは900乃至1200Åの範囲にある請求項5または6に記載の二重ゲート酸化物高電圧半導体装置の製造方法。
- 厚みが1200Åの前記第二ゲート酸化物を成長させることにより、該二重ゲート酸化物高電圧半導体装置の最大許容電荷を1e12cm―2乃至2e12cm―2まで増加させ、
該二重ゲート酸化物高電圧半導体装置の比オン抵抗を、前記第二ゲート酸化物を成長させない場合より、30%低下させる請求項5乃至7いずれかに記載の二重ゲート酸化物高電圧半導体装置の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/015,847 US6847081B2 (en) | 2001-12-10 | 2001-12-10 | Dual gate oxide high-voltage semiconductor device |
PCT/IB2002/004895 WO2003050884A1 (en) | 2001-12-10 | 2002-11-20 | Dual gate oxide high-voltage semiconductor device and method for forming the same |
Publications (2)
Publication Number | Publication Date |
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JP2005512343A JP2005512343A (ja) | 2005-04-28 |
JP4108608B2 true JP4108608B2 (ja) | 2008-06-25 |
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JP2003551845A Expired - Lifetime JP4108608B2 (ja) | 2001-12-10 | 2002-11-20 | 2重ゲート酸化物高電圧半導体装置とこの半導体装置を製造する方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US6847081B2 (ja) |
EP (1) | EP1459389A1 (ja) |
JP (1) | JP4108608B2 (ja) |
KR (1) | KR20040061025A (ja) |
AU (1) | AU2002348845A1 (ja) |
TW (1) | TWI277206B (ja) |
WO (1) | WO2003050884A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007273920A (ja) * | 2006-03-31 | 2007-10-18 | Eudyna Devices Inc | 半導体装置およびその製造方法 |
CN101217162B (zh) * | 2008-01-04 | 2010-06-16 | 东南大学 | 高压n型金属氧化物半导体管及其制备方法 |
JP5272410B2 (ja) * | 2008-01-11 | 2013-08-28 | 富士電機株式会社 | 半導体装置およびその製造方法 |
KR101578931B1 (ko) * | 2008-12-05 | 2015-12-21 | 주식회사 동부하이텍 | 반도체 소자 및 반도체 소자의 제조 방법 |
US7939395B2 (en) * | 2009-05-14 | 2011-05-10 | International Business Machines Corporation | High-voltage SOI MOS device structure and method of fabrication |
CN106033727B (zh) * | 2015-03-10 | 2019-06-21 | 无锡华润上华科技有限公司 | 场效应晶体管的制作方法 |
CN114188409A (zh) | 2020-09-15 | 2022-03-15 | 联华电子股份有限公司 | 半导体装置以及其制作方法 |
CN112786685B (zh) * | 2021-02-08 | 2022-10-21 | 成都芯源系统有限公司 | 一种具有多阶场板的横向双扩散晶体管及其制造方法 |
FR3124866B1 (fr) * | 2021-06-30 | 2024-02-02 | St Microelectronics Grenoble 2 | Circuit Miroir de courant |
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US5362979A (en) * | 1991-02-01 | 1994-11-08 | Philips Electronics North America Corporation | SOI transistor with improved source-high performance |
US5246870A (en) | 1991-02-01 | 1993-09-21 | North American Philips Corporation | Method for making an improved high voltage thin film transistor having a linear doping profile |
DE69209678T2 (de) | 1991-02-01 | 1996-10-10 | Philips Electronics Nv | Halbleiteranordnung für Hochspannungsverwendung und Verfahren zur Herstellung |
US5893729A (en) * | 1995-06-28 | 1999-04-13 | Honeywell Inc. | Method of making SOI circuit for higher temperature and higher voltage applications |
TW360982B (en) * | 1996-01-26 | 1999-06-11 | Matsushita Electric Works Ltd | Thin film transistor of silicon-on-insulator type |
US6310378B1 (en) * | 1997-12-24 | 2001-10-30 | Philips Electronics North American Corporation | High voltage thin film transistor with improved on-state characteristics and method for making same |
US5969387A (en) | 1998-06-19 | 1999-10-19 | Philips Electronics North America Corporation | Lateral thin-film SOI devices with graded top oxide and graded drift region |
US6133591A (en) * | 1998-07-24 | 2000-10-17 | Philips Electronics North America Corporation | Silicon-on-insulator (SOI) hybrid transistor device structure |
US6028337A (en) * | 1998-11-06 | 2000-02-22 | Philips North America Corporation | Lateral thin-film silicon-on-insulator (SOI) device having lateral depletion means for depleting a portion of drift region |
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JP2000174135A (ja) * | 1998-12-07 | 2000-06-23 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
US6023090A (en) * | 1998-12-07 | 2000-02-08 | Philips Electronics North America, Corporation | Lateral thin-film Silicon-On-Insulator (SOI) device having multiple zones in the drift region |
US5973341A (en) * | 1998-12-14 | 1999-10-26 | Philips Electronics North America Corporation | Lateral thin-film silicon-on-insulator (SOI) JFET device |
US6127703A (en) * | 1999-08-31 | 2000-10-03 | Philips Electronics North America Corporation | Lateral thin-film silicon-on-insulator (SOI) PMOS device having a drain extension region |
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US6372559B1 (en) * | 2000-11-09 | 2002-04-16 | International Business Machines Corporation | Method for self-aligned vertical double-gate MOSFET |
-
2001
- 2001-12-10 US US10/015,847 patent/US6847081B2/en not_active Expired - Lifetime
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2002
- 2002-11-20 JP JP2003551845A patent/JP4108608B2/ja not_active Expired - Lifetime
- 2002-11-20 KR KR10-2004-7008861A patent/KR20040061025A/ko not_active Application Discontinuation
- 2002-11-20 WO PCT/IB2002/004895 patent/WO2003050884A1/en active Application Filing
- 2002-11-20 AU AU2002348845A patent/AU2002348845A1/en not_active Abandoned
- 2002-11-20 EP EP02781576A patent/EP1459389A1/en not_active Withdrawn
- 2002-11-28 TW TW091134606A patent/TWI277206B/zh not_active IP Right Cessation
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2004
- 2004-12-03 US US11/003,991 patent/US7268046B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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WO2003050884A1 (en) | 2003-06-19 |
JP2005512343A (ja) | 2005-04-28 |
US6847081B2 (en) | 2005-01-25 |
TWI277206B (en) | 2007-03-21 |
US20050085023A1 (en) | 2005-04-21 |
TW200409357A (en) | 2004-06-01 |
KR20040061025A (ko) | 2004-07-06 |
AU2002348845A1 (en) | 2003-06-23 |
US7268046B2 (en) | 2007-09-11 |
EP1459389A1 (en) | 2004-09-22 |
US20030107087A1 (en) | 2003-06-12 |
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