KR100724199B1 - 에스오아이 소자의 섀로우 트렌치 분리막 형성 방법 - Google Patents
에스오아이 소자의 섀로우 트렌치 분리막 형성 방법 Download PDFInfo
- Publication number
- KR100724199B1 KR100724199B1 KR1020050132474A KR20050132474A KR100724199B1 KR 100724199 B1 KR100724199 B1 KR 100724199B1 KR 1020050132474 A KR1020050132474 A KR 1020050132474A KR 20050132474 A KR20050132474 A KR 20050132474A KR 100724199 B1 KR100724199 B1 KR 100724199B1
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- Prior art keywords
- shallow trench
- trench
- film
- silicon substrate
- oxide film
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000015572 biosynthetic process Effects 0.000 title description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 35
- 239000010703 silicon Substances 0.000 claims abstract description 35
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 238000002955 isolation Methods 0.000 claims abstract description 24
- 150000004767 nitrides Chemical class 0.000 claims abstract description 23
- 229910052796 boron Inorganic materials 0.000 claims abstract description 18
- -1 boron ions Chemical class 0.000 claims abstract description 17
- 239000011810 insulating material Substances 0.000 claims abstract description 14
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 10
- 238000005530 etching Methods 0.000 claims abstract description 7
- 239000013078 crystal Substances 0.000 claims abstract description 6
- 238000000151 deposition Methods 0.000 claims abstract description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 238000002513 implantation Methods 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 238000007796 conventional method Methods 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 239000012212 insulator Substances 0.000 abstract description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 9
- 238000005137 deposition process Methods 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 5
- 238000001020 plasma etching Methods 0.000 description 5
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 238000001039 wet etching Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KPSZQYZCNSCYGG-UHFFFAOYSA-N [B].[B] Chemical compound [B].[B] KPSZQYZCNSCYGG-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
- H01L21/76283—Lateral isolation by refilling of trenches with dielectric material
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- 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 (3)
- 절연막 위에 실리콘 단결정층이 있는 구조의 에스오아이 소자에서 섀로우 트렌치 분리막을 형성하는 방법으로서,실리콘 기판, 베리드 산화막 및 상부 실리콘 기판 상에 패드 산화막 및 패드 질화막을 순차 증착하는 단계와,상기 상부 실리콘 기판의 소정 영역을 포토레지스트 패턴에 따라 상기 베리드 산화막이 드러나도록 식각하여 트렌치를 형성하는 단계와,상기 형성된 트렌치에 보론 이온을 주입하는 단계와,상기 보론 이온이 주입된 트렌치에 절연 물질을 갭필하는 단계와,상기 갭필된 절연 물질을 상기 패드 질화막이 드러나도록 평탄화하는 단계와,상기 패드 산화막 및 패드 질화막을 제거하는 단계를 포함하는 에스오아이 소자의 섀로우 트렌치 분리막 형성 방법.
- 제 1 항에 있어서,상기 보론 이온의 주입은, 상기 트렌치의 바닥 코너 부분을 향해 10 ° - 20 °의 틸트로 수행되는 것을 특징으로 하는 에스오아이 소자의 섀로우 트렌치 분리막 형성 방법.
- 제 1 항에 있어서,상기 절연 물질은, SiO2 또는 USG인 것을 특징으로 하는 에스오아이 소자의 섀로우 트렌치 분리막 형성 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050132474A KR100724199B1 (ko) | 2005-12-28 | 2005-12-28 | 에스오아이 소자의 섀로우 트렌치 분리막 형성 방법 |
US11/615,133 US20070161207A1 (en) | 2005-12-28 | 2006-12-22 | Method for Manufacturing Semiconductor Device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050132474A KR100724199B1 (ko) | 2005-12-28 | 2005-12-28 | 에스오아이 소자의 섀로우 트렌치 분리막 형성 방법 |
Publications (1)
Publication Number | Publication Date |
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KR100724199B1 true KR100724199B1 (ko) | 2007-05-31 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020050132474A KR100724199B1 (ko) | 2005-12-28 | 2005-12-28 | 에스오아이 소자의 섀로우 트렌치 분리막 형성 방법 |
Country Status (2)
Country | Link |
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US (1) | US20070161207A1 (ko) |
KR (1) | KR100724199B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7846812B2 (en) * | 2007-12-18 | 2010-12-07 | Micron Technology, Inc. | Methods of forming trench isolation and methods of forming floating gate transistors |
US8003482B2 (en) | 2009-11-19 | 2011-08-23 | Micron Technology, Inc. | Methods of processing semiconductor substrates in forming scribe line alignment marks |
US8987070B2 (en) * | 2012-09-12 | 2015-03-24 | International Business Machines Corporation | SOI device with embedded liner in box layer to limit STI recess |
CN103730404B (zh) * | 2013-12-31 | 2018-10-16 | 上海集成电路研发中心有限公司 | 浅沟槽隔离的制造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR980006105A (ko) * | 1996-06-29 | 1998-03-30 | 김광호 | 반도체 메모리 장치 및 그 제조방법 |
KR20000053556A (ko) * | 1999-01-28 | 2000-08-25 | 포만 제프리 엘 | 기판 접촉부 형성 방법 및 반도체 디바이스 |
KR20020076737A (ko) * | 2001-03-30 | 2002-10-11 | 삼성전자 주식회사 | 소이형 반도체 장치 및 그 형성 방법 |
KR20040021730A (ko) * | 2002-08-29 | 2004-03-11 | 삼성전자주식회사 | 반도체소자의 형성방법 |
KR20040102052A (ko) * | 2002-03-28 | 2004-12-03 | 어드밴스드 마이크로 디바이시즈, 인코포레이티드 | 다중-두께 매립 산화물층 위에 형성된 반도체 디바이스 및그 제조 방법 |
KR20050117556A (ko) * | 2003-03-12 | 2005-12-14 | 마이크론 테크놀로지, 인크 | 트렌치 아이솔레이션을 위한 경사 이온주입 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5770504A (en) * | 1997-03-17 | 1998-06-23 | International Business Machines Corporation | Method for increasing latch-up immunity in CMOS devices |
US5960276A (en) * | 1998-09-28 | 1999-09-28 | Taiwan Semiconductor Manufacturing Company, Ltd. | Using an extra boron implant to improve the NMOS reverse narrow width effect in shallow trench isolation process |
KR100950749B1 (ko) * | 2003-07-09 | 2010-04-05 | 매그나칩 반도체 유한회사 | 반도체소자의 소자분리막 형성방법 |
US7074692B2 (en) * | 2004-03-23 | 2006-07-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method for reducing a short channel effect for NMOS devices in SOI circuits |
-
2005
- 2005-12-28 KR KR1020050132474A patent/KR100724199B1/ko not_active IP Right Cessation
-
2006
- 2006-12-22 US US11/615,133 patent/US20070161207A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR980006105A (ko) * | 1996-06-29 | 1998-03-30 | 김광호 | 반도체 메모리 장치 및 그 제조방법 |
KR20000053556A (ko) * | 1999-01-28 | 2000-08-25 | 포만 제프리 엘 | 기판 접촉부 형성 방법 및 반도체 디바이스 |
KR20020076737A (ko) * | 2001-03-30 | 2002-10-11 | 삼성전자 주식회사 | 소이형 반도체 장치 및 그 형성 방법 |
KR20040102052A (ko) * | 2002-03-28 | 2004-12-03 | 어드밴스드 마이크로 디바이시즈, 인코포레이티드 | 다중-두께 매립 산화물층 위에 형성된 반도체 디바이스 및그 제조 방법 |
KR20040021730A (ko) * | 2002-08-29 | 2004-03-11 | 삼성전자주식회사 | 반도체소자의 형성방법 |
KR20050117556A (ko) * | 2003-03-12 | 2005-12-14 | 마이크론 테크놀로지, 인크 | 트렌치 아이솔레이션을 위한 경사 이온주입 |
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US20070161207A1 (en) | 2007-07-12 |
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