KR100308510B1 - 반도체 장치 및 트렌치형 소자 분리 구조 - Google Patents
반도체 장치 및 트렌치형 소자 분리 구조 Download PDFInfo
- Publication number
- KR100308510B1 KR100308510B1 KR1020000046645A KR20000046645A KR100308510B1 KR 100308510 B1 KR100308510 B1 KR 100308510B1 KR 1020000046645 A KR1020000046645 A KR 1020000046645A KR 20000046645 A KR20000046645 A KR 20000046645A KR 100308510 B1 KR100308510 B1 KR 100308510B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxide film
- silicon substrate
- film
- isolation structure
- trench type
- Prior art date
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 95
- 239000004065 semiconductor Substances 0.000 title claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 81
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 68
- 239000010703 silicon Substances 0.000 claims abstract description 68
- 241000293849 Cordylanthus Species 0.000 abstract description 2
- 238000009933 burial Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 72
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 69
- 229920005591 polysilicon Polymers 0.000 description 68
- 230000003647 oxidation Effects 0.000 description 47
- 238000007254 oxidation reaction Methods 0.000 description 47
- 238000004519 manufacturing process Methods 0.000 description 42
- 238000005530 etching Methods 0.000 description 33
- 229910052581 Si3N4 Inorganic materials 0.000 description 27
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 27
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 26
- 230000000694 effects Effects 0.000 description 19
- 238000005229 chemical vapour deposition Methods 0.000 description 17
- 238000001312 dry etching Methods 0.000 description 15
- 239000007800 oxidant agent Substances 0.000 description 12
- 238000001039 wet etching Methods 0.000 description 12
- 230000001590 oxidative effect Effects 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 229910052814 silicon oxide Inorganic materials 0.000 description 10
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- 230000005684 electric field Effects 0.000 description 8
- 238000007796 conventional method Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- WNUPENMBHHEARK-UHFFFAOYSA-N silicon tungsten Chemical compound [Si].[W] WNUPENMBHHEARK-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76232—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (2)
- 실리콘 기판에 형성된 홈에, 열 산화막을 통하여 매립 산화막이 매립된 트렌치형 소자 분리 구조;상기 트렌치형 소자 분리 구조에 의해 분리된 상기 실리콘 기판의 활성 영역 주 표면 상에, 게이트 절연막을 통해 형성된 게이트 전극; 및상기 실리콘 기판의 주 표면에, 상기 게이트 전극에 대향하는 영역을 사이에 두고 형성된 한쌍의 소스·드레인 영역을 포함하는 반도체 장치에 있어서,상기 매립 산화막의 상면(上面) 전체는, 상기 실리콘 기판보다도 위쪽으로 돌출되고,상기 열 산화막의 상기 홈의 홈벽에 수직인 방향의 막 두께가, 상기 실리콘 기판 표면 근방에서 가장 두껍게 되도록, 상기 열 산화막은 상기 실리콘 기판 표면 근방에서 점차 바깥쪽으로 돌출한 부분을 포함하는 것을 특징으로 하는 반도체 장치.
- 실리콘 기판에 형성된 홈에, 열 산화막을 통해 매립 산화막이 매립된 트렌치형 소자 분리 구조에 있어서.상기 매립 산화막의 상면 전체는, 상기 실리콘 기판보다도 위쪽으로 돌출되고,상기 열 산화막은, 상기 실리콘 기판 표면보다 위쪽에 형성된 제1 열산화막부와, 상기 실리콘 기판 표면보다 아래쪽에서 상기 홈의 내면(內面)을 피복하고 또한 상기 실리콘 기판 표면의 높이에서 상기 제1 열산화막부와 접하는 제2 열산화막부를 포함하며,상기 제1 열 산화막부와 제2 열 산화막부는, 상기 홈의 벽에 수직인 방향의 막 두께가 상기 실리콘 기판 표면의 근방에서 가장 두껍게 되도록, 각각이 상기 실리콘 기판 표면의 근방에서 점차 바깥쪽을 향해 돌출한 부분을 포함하고, 또한 상기 매립 산화막의 상면이 열산화막으로 덮혀져 있는 것을 특징으로 하는 트렌치형 소자 분리 구조.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1997-093600 | 1997-04-11 | ||
JP9360097 | 1997-04-11 | ||
JP19226997A JP3904676B2 (ja) | 1997-04-11 | 1997-07-17 | トレンチ型素子分離構造の製造方法およびトレンチ型素子分離構造 |
JP1997-192269 | 1997-07-17 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970079096A Division KR100283021B1 (ko) | 1997-04-11 | 1997-12-30 | 트렌치형 소자분리 구조의 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100308510B1 true KR100308510B1 (ko) | 2001-11-07 |
Family
ID=26434928
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970079096A KR100283021B1 (ko) | 1997-04-11 | 1997-12-30 | 트렌치형 소자분리 구조의 제조방법 |
KR1020000046645A KR100308510B1 (ko) | 1997-04-11 | 2000-08-11 | 반도체 장치 및 트렌치형 소자 분리 구조 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970079096A KR100283021B1 (ko) | 1997-04-11 | 1997-12-30 | 트렌치형 소자분리 구조의 제조방법 |
Country Status (6)
Country | Link |
---|---|
US (2) | US6265743B1 (ko) |
JP (1) | JP3904676B2 (ko) |
KR (2) | KR100283021B1 (ko) |
CN (2) | CN1134058C (ko) |
DE (1) | DE19748501C2 (ko) |
TW (1) | TW354857B (ko) |
Families Citing this family (32)
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JP4649006B2 (ja) * | 1999-07-16 | 2011-03-09 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
KR20010038753A (ko) * | 1999-10-27 | 2001-05-15 | 박종섭 | 반도체 장치의 분리구조 제조방법 |
US6500729B1 (en) * | 2000-06-02 | 2002-12-31 | Agere Systems Guardian Corp. | Method for reducing dishing related issues during the formation of shallow trench isolation structures |
KR100429421B1 (ko) * | 2000-08-12 | 2004-04-29 | 김승준 | 반도체 소자 분리 공정을 위한 얕은 트렌치 형성 |
US20020068415A1 (en) * | 2000-12-01 | 2002-06-06 | Hua-Chou Tseng | Method of fabricating a shallow trench isolation structure |
JP4989817B2 (ja) * | 2000-12-21 | 2012-08-01 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
KR20020056664A (ko) * | 2000-12-29 | 2002-07-10 | 박종섭 | 반도체소자의 소자분리막 형성방법 |
JP2002203894A (ja) * | 2001-01-04 | 2002-07-19 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JP2003017556A (ja) | 2001-06-29 | 2003-01-17 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP3418386B2 (ja) * | 2001-08-16 | 2003-06-23 | 沖電気工業株式会社 | 半導体装置の製造方法 |
DE10202140A1 (de) * | 2002-01-21 | 2003-08-07 | Infineon Technologies Ag | Verfahren zum Herstellen eines Hohlraums in einem monokristallinen Siliziumsubstrat und Halbleiterbaustein mit einem Hohlraum in einem monokristallinen Siliziumsubstrat mit einer epitaktischen Deckschicht |
KR100857576B1 (ko) * | 2002-06-27 | 2008-09-09 | 매그나칩 반도체 유한회사 | 반도체소자의 스토리지 노드 형성방법 |
KR100486111B1 (ko) * | 2002-07-10 | 2005-04-29 | 매그나칩 반도체 유한회사 | 반도체소자의 소자분리막 제조방법 |
JP2004111429A (ja) * | 2002-09-13 | 2004-04-08 | Renesas Technology Corp | 半導体装置 |
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JP2004172310A (ja) | 2002-11-19 | 2004-06-17 | Renesas Technology Corp | 半導体装置の製造方法 |
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US6649489B1 (en) * | 2003-02-13 | 2003-11-18 | Taiwan Semiconductor Manufacturing Company | Poly etching solution to improve silicon trench for low STI profile |
KR100619396B1 (ko) * | 2003-12-31 | 2006-09-11 | 동부일렉트로닉스 주식회사 | 시모스 이미지 센서 및 그 제조방법 |
US20050205963A1 (en) * | 2004-03-16 | 2005-09-22 | Johnson David A | Integrated anneal cap/ ion implant mask/ trench isolation structure for III-V devices |
US7410864B2 (en) * | 2004-04-23 | 2008-08-12 | Infineon Technologies Ag | Trench and a trench capacitor and method for forming the same |
US7319252B2 (en) * | 2004-06-28 | 2008-01-15 | Intel Corporation | Methods for forming semiconductor wires and resulting devices |
US20050285160A1 (en) * | 2004-06-28 | 2005-12-29 | Chang Peter L | Methods for forming semiconductor wires and resulting devices |
US7880223B2 (en) * | 2005-02-11 | 2011-02-01 | Alpha & Omega Semiconductor, Ltd. | Latch-up free vertical TVS diode array structure using trench isolation |
KR100719366B1 (ko) * | 2005-06-15 | 2007-05-17 | 삼성전자주식회사 | 트렌치 소자분리막을 갖는 반도체 소자의 형성 방법 |
US8043933B2 (en) * | 2008-11-24 | 2011-10-25 | Applied Materials, Inc. | Integration sequences with top surface profile modification |
CN102543820B (zh) * | 2010-12-16 | 2014-11-05 | 中芯国际集成电路制造(北京)有限公司 | 浅沟槽隔离结构及其形成方法 |
CN102543822B (zh) * | 2010-12-23 | 2014-11-05 | 无锡华润上华半导体有限公司 | 浅沟槽隔离结构的制作方法 |
CN103824804B (zh) * | 2014-03-10 | 2017-03-01 | 杭州士兰集成电路有限公司 | 半导体沟槽结构的形成方法 |
JP6649190B2 (ja) | 2016-06-28 | 2020-02-19 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
US10546863B1 (en) * | 2018-08-02 | 2020-01-28 | Micron Technology, Inc. | Method for fabricating bit line contact |
JP7375331B2 (ja) * | 2019-04-26 | 2023-11-08 | セイコーエプソン株式会社 | 振動デバイスおよび電子機器 |
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KR920020676A (ko) * | 1991-04-09 | 1992-11-21 | 김광호 | 반도체 장치의 소자분리 방법 |
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-
1997
- 1997-07-17 JP JP19226997A patent/JP3904676B2/ja not_active Expired - Lifetime
- 1997-10-24 TW TW086115761A patent/TW354857B/zh not_active IP Right Cessation
- 1997-11-03 DE DE19748501A patent/DE19748501C2/de not_active Expired - Lifetime
- 1997-11-04 US US08/963,764 patent/US6265743B1/en not_active Expired - Lifetime
- 1997-12-30 KR KR1019970079096A patent/KR100283021B1/ko active IP Right Grant
-
1998
- 1998-03-02 CN CNB981053610A patent/CN1134058C/zh not_active Expired - Lifetime
-
2000
- 2000-08-11 KR KR1020000046645A patent/KR100308510B1/ko active IP Right Grant
-
2001
- 2001-05-21 US US09/860,505 patent/US6372604B1/en not_active Expired - Lifetime
-
2002
- 2002-12-17 CN CNB021574898A patent/CN1210780C/zh not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR920020676A (ko) * | 1991-04-09 | 1992-11-21 | 김광호 | 반도체 장치의 소자분리 방법 |
Also Published As
Publication number | Publication date |
---|---|
JP3904676B2 (ja) | 2007-04-11 |
DE19748501C2 (de) | 2001-08-30 |
US6372604B1 (en) | 2002-04-16 |
CN1196574A (zh) | 1998-10-21 |
US6265743B1 (en) | 2001-07-24 |
DE19748501A1 (de) | 1998-10-15 |
TW354857B (en) | 1999-03-21 |
CN1210780C (zh) | 2005-07-13 |
KR100283021B1 (ko) | 2001-04-02 |
KR19980079567A (ko) | 1998-11-25 |
JPH10340950A (ja) | 1998-12-22 |
CN1134058C (zh) | 2004-01-07 |
CN1430260A (zh) | 2003-07-16 |
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