KR100312943B1 - 반도체장치 및 그의 제조방법 - Google Patents
반도체장치 및 그의 제조방법 Download PDFInfo
- Publication number
- KR100312943B1 KR100312943B1 KR1019990009146A KR19990009146A KR100312943B1 KR 100312943 B1 KR100312943 B1 KR 100312943B1 KR 1019990009146 A KR1019990009146 A KR 1019990009146A KR 19990009146 A KR19990009146 A KR 19990009146A KR 100312943 B1 KR100312943 B1 KR 100312943B1
- Authority
- KR
- South Korea
- Prior art keywords
- insulating layer
- trench
- filling insulating
- filling
- layer
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims description 34
- 239000000758 substrate Substances 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 3
- 238000005530 etching Methods 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 238000002955 isolation Methods 0.000 claims description 19
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 19
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 17
- 229920005591 polysilicon Polymers 0.000 claims description 14
- 238000001020 plasma etching Methods 0.000 claims description 11
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000015556 catabolic process Effects 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 158
- 229910052581 Si3N4 Inorganic materials 0.000 description 26
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 26
- 239000010408 film Substances 0.000 description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 210000003323 beak Anatomy 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000293849 Cordylanthus Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010409 thin film Substances 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
- 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
-
- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
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 (6)
- 반도체기판과,상기 반도체기판의 분리영역에 형성되어 소자의 활성영역을 한정하는 트렌치와,상기 트렌치를 채우는 제 1, 제 2 및 제 3 충진절연층으로 형성되되 상기 제 2 충진절연층이 상기 제 1 및 제 3 충진절연층과 식각 선택비가 다른 물질로 형성되며 상기 제 3 충진절연층이 상기 트렌치의 상부 모서리를 덮도록 형성된 필드절연층을 포함하는 반도체장치.
- 청구항 1에 있어서 상기 제 3 충진절연층이 상기 반도체기판에 돌출되게 형성된 반도체장치.
- 반도체기판 상에 분리영역을 노출시키는 마스크층을 형성하고 상기 반도체기판의 노출된 부분에 트렌치를 형성하는 공정과,상기 트렌치 내에 상부가 남도록 제 1 충진절연층을 형성하는 공정과,상기 마스크층을 제거하고 상기 반도체기판 상에 상기 트렌치의 노출된 측면 및 상기 제 1 충진절연층 표면에 상기 제 1 충진절연층과 식각 선택비가 다른 제 2 충진절연층을 형성하는 공정과,상기 제 2 충진절연층 상에 상기 트렌치의 상부 부분을 채우는 다결정실리콘층을 형성하는 공정과,상기 다결정실리콘층을 산화하여 상기 반도체기판 보다 높게 돌출하며 상기 트렌치의 상부 모서리를 덮는 제 3 충진절연층을 형성하고 상기 제 2 충진절연층의 노출된 부분을 제거하는 공정을 구비하는 반도체장치의 제조방법.
- 청구항 4에 있어서 상기 다결정실리콘층을 상기 반도체기판과 평탄하게 형성하는 반도체장치의 소자분리방법.
- 반도체기판 상에 분리영역을 노출시키는 마스크층을 형성하고 상기 반도체기판의 노출된 부분에 트렌치를 형성하는 공정과,상기 트렌치 내에 상부가 남도록 제 1 충진절연층을 형성하는 공정과,상기 마스크층을 제거하고 상기 반도체기판 상에 상기 트렌치의 노출된 측면 및 상기 제 1 충진절연층 표면에 상기 제 1 충진절연층과 식각 선택비가 다른 제 2 충진절연층을 형성하는 공정과,상기 제 2 충진절연층 상에 산화실리콘층을 형성하는 공정과,상기 산화실리콘층을 상기 제 2 충진절연층이 노출되어 상기 트렌치 내에 잔류하도록 에치백하여 제 3 충진절연층을 평탄하게 형성하는 공정을 구비하는 반도체장치의 제조방법.
- 청구항 6에 있어서 상기 산화실리콘층을 화학기계연마(Chemical Mechanical Polishing) 방법 또는 반응성이온식각(Reactive Ion Etching) 방법으로 에치백하여 상기 제 3 충진절연층을 형성하는 반도체장치의 소자분리방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990009146A KR100312943B1 (ko) | 1999-03-18 | 1999-03-18 | 반도체장치 및 그의 제조방법 |
US09/527,686 US6479361B1 (en) | 1999-03-18 | 2000-03-17 | Isolation structure and fabricating method therefor |
US10/259,872 US6737330B2 (en) | 1999-03-18 | 2002-09-30 | Isolation structure and fabricating method therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990009146A KR100312943B1 (ko) | 1999-03-18 | 1999-03-18 | 반도체장치 및 그의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000060649A KR20000060649A (ko) | 2000-10-16 |
KR100312943B1 true KR100312943B1 (ko) | 2001-11-03 |
Family
ID=19576915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990009146A KR100312943B1 (ko) | 1999-03-18 | 1999-03-18 | 반도체장치 및 그의 제조방법 |
Country Status (2)
Country | Link |
---|---|
US (2) | US6479361B1 (ko) |
KR (1) | KR100312943B1 (ko) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002198525A (ja) * | 2000-12-27 | 2002-07-12 | Toshiba Corp | 半導体装置及びその製造方法 |
US7067440B1 (en) | 2001-08-24 | 2006-06-27 | Novellus Systems, Inc. | Gap fill for high aspect ratio structures |
KR100419068B1 (ko) * | 2002-07-25 | 2004-02-18 | 아남반도체 주식회사 | 모스 트랜지스터 제조 방법 |
US7122485B1 (en) | 2002-12-09 | 2006-10-17 | Novellus Systems, Inc. | Deposition profile modification through process chemistry |
KR100520222B1 (ko) * | 2003-06-23 | 2005-10-11 | 삼성전자주식회사 | 반도체 소자에서의 듀얼 게이트 산화막 구조 및 그에 따른형성방법 |
US7078312B1 (en) * | 2003-09-02 | 2006-07-18 | Novellus Systems, Inc. | Method for controlling etch process repeatability |
DE10348021A1 (de) * | 2003-10-15 | 2005-05-25 | Infineon Technologies Ag | Verfahren zur Herstellung einer Halbleiterstruktur mit einer Einkapselung einer Füllung, welche zum Anfüllen von Gräben verwendet wird |
US7476621B1 (en) | 2003-12-10 | 2009-01-13 | Novellus Systems, Inc. | Halogen-free noble gas assisted H2 plasma etch process in deposition-etch-deposition gap fill |
US7344996B1 (en) | 2005-06-22 | 2008-03-18 | Novellus Systems, Inc. | Helium-based etch process in deposition-etch-deposition gap fill |
US7163896B1 (en) | 2003-12-10 | 2007-01-16 | Novellus Systems, Inc. | Biased H2 etch process in deposition-etch-deposition gap fill |
US6979627B2 (en) * | 2004-04-30 | 2005-12-27 | Freescale Semiconductor, Inc. | Isolation trench |
KR100613372B1 (ko) * | 2004-07-13 | 2006-08-21 | 동부일렉트로닉스 주식회사 | 반도체 장치의 소자 분리 영역 형성 방법 |
US7217658B1 (en) | 2004-09-07 | 2007-05-15 | Novellus Systems, Inc. | Process modulation to prevent structure erosion during gap fill |
US7176039B1 (en) | 2004-09-21 | 2007-02-13 | Novellus Systems, Inc. | Dynamic modification of gap fill process characteristics |
US7381451B1 (en) | 2004-11-17 | 2008-06-03 | Novellus Systems, Inc. | Strain engineering—HDP thin film with tensile stress for FEOL and other applications |
US7327008B2 (en) * | 2005-01-24 | 2008-02-05 | International Business Machines Corporation | Structure and method for mixed-substrate SIMOX technology |
US7211525B1 (en) | 2005-03-16 | 2007-05-01 | Novellus Systems, Inc. | Hydrogen treatment enhanced gap fill |
US20070132056A1 (en) * | 2005-12-09 | 2007-06-14 | Advanced Analogic Technologies, Inc. | Isolation structures for semiconductor integrated circuit substrates and methods of forming the same |
US7491622B2 (en) | 2006-04-24 | 2009-02-17 | Freescale Semiconductor, Inc. | Process of forming an electronic device including a layer formed using an inductively coupled plasma |
US7670895B2 (en) * | 2006-04-24 | 2010-03-02 | Freescale Semiconductor, Inc | Process of forming an electronic device including a semiconductor layer and another layer adjacent to an opening within the semiconductor layer |
US7528078B2 (en) * | 2006-05-12 | 2009-05-05 | Freescale Semiconductor, Inc. | Process of forming electronic device including a densified nitride layer adjacent to an opening within a semiconductor layer |
US7482245B1 (en) | 2006-06-20 | 2009-01-27 | Novellus Systems, Inc. | Stress profile modulation in STI gap fill |
US8133797B2 (en) | 2008-05-16 | 2012-03-13 | Novellus Systems, Inc. | Protective layer to enable damage free gap fill |
CN103943621B (zh) * | 2013-01-22 | 2019-08-13 | 联华电子股份有限公司 | 浅沟槽隔离结构及其形成方法 |
US8709901B1 (en) * | 2013-04-17 | 2014-04-29 | United Microelectronics Corp. | Method of forming an isolation structure |
US10535550B2 (en) | 2017-08-28 | 2020-01-14 | International Business Machines Corporation | Protection of low temperature isolation fill |
US10847409B2 (en) * | 2018-09-27 | 2020-11-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device and method |
KR20220092104A (ko) * | 2020-12-24 | 2022-07-01 | 삼성전자주식회사 | 집적회로 소자 |
CN114121776B (zh) * | 2022-01-26 | 2022-04-19 | 晶芯成(北京)科技有限公司 | 一种半导体隔离结构的制造方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09199582A (ja) * | 1996-01-16 | 1997-07-31 | Nec Corp | 半導体装置の製造方法 |
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US4104086A (en) * | 1977-08-15 | 1978-08-01 | International Business Machines Corporation | Method for forming isolated regions of silicon utilizing reactive ion etching |
US4356211A (en) * | 1980-12-19 | 1982-10-26 | International Business Machines Corporation | Forming air-dielectric isolation regions in a monocrystalline silicon substrate by differential oxidation of polysilicon |
US4571819A (en) * | 1984-11-01 | 1986-02-25 | Ncr Corporation | Method for forming trench isolation structures |
US5728621A (en) | 1997-04-28 | 1998-03-17 | Chartered Semiconductor Manufacturing Pte Ltd | Method for shallow trench isolation |
JP3602313B2 (ja) * | 1997-06-30 | 2004-12-15 | 富士通株式会社 | 半導体装置の製造方法 |
-
1999
- 1999-03-18 KR KR1019990009146A patent/KR100312943B1/ko not_active IP Right Cessation
-
2000
- 2000-03-17 US US09/527,686 patent/US6479361B1/en not_active Expired - Lifetime
-
2002
- 2002-09-30 US US10/259,872 patent/US6737330B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09199582A (ja) * | 1996-01-16 | 1997-07-31 | Nec Corp | 半導体装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US6737330B2 (en) | 2004-05-18 |
US20030022453A1 (en) | 2003-01-30 |
KR20000060649A (ko) | 2000-10-16 |
US6479361B1 (en) | 2002-11-12 |
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