KR100569509B1 - 반도체소자의 제조방법 - Google Patents
반도체소자의 제조방법 Download PDFInfo
- Publication number
- KR100569509B1 KR100569509B1 KR1020020086788A KR20020086788A KR100569509B1 KR 100569509 B1 KR100569509 B1 KR 100569509B1 KR 1020020086788 A KR1020020086788 A KR 1020020086788A KR 20020086788 A KR20020086788 A KR 20020086788A KR 100569509 B1 KR100569509 B1 KR 100569509B1
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- South Korea
- Prior art keywords
- oxide film
- nitride film
- film
- pad
- semiconductor device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 150000004767 nitrides Chemical class 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 34
- 238000005530 etching Methods 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims description 18
- 238000002955 isolation Methods 0.000 claims description 12
- 238000000059 patterning Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 210000000988 bone and bone Anatomy 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
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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
- H01L21/70—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
-
- 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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Element Separation (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (3)
- 선형 질화막을 사용하는 STI 방법의 반도체소자의 제조방법에 있어서,반도체기판상에 패드산화막과 패드질화막을 순차적으로 형성하는 공정과,상기 패드질화막과 패드산화막을 소자분리마스크를 이용한 패턴닝 공정으로 선택 식각하여 반도체기판의 소자분리영역으로 예정되어있는 부분을 노출시키는 패드질화막 패턴을 형성하는 공정과,상기 패드질화막에 의해 노출되어있는 반도체기판을 일정 두께 식각하여 트랜치를 형성하는 공정과,상기 트랜치의 내벽이 웰 산화막을 형성하는 공정과,상기 구조의 전표면에 선형 질화막을 형성하는 공정과,상기 구조의 전표면에 필드산화막을 형성하는 공정과,상기 필드산화막을 평탄화시켜 상기 선형 질화막이 트랜치 내부에만 남도록하고 필드산화막을 분리시키는 공정과,상기 패드질화막 패턴을 제거하는 공정과,상기 구조의 전표면에 희생산화막을 형성하는 공정과,상기 희생산화막을 전면 제거하는 공정을 구비하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 선형 질화막의 에지는 반도체기판 표면 보다 10∼1000Å 낮게 형성되 며, 선형 질화막의 두께는 10∼500Å 으로 형성하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 희생산화막을 고온산화나 LP-TEOS막으로 형성하는 것을 특징으로 하는 반도체소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020086788A KR100569509B1 (ko) | 2002-12-30 | 2002-12-30 | 반도체소자의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020086788A KR100569509B1 (ko) | 2002-12-30 | 2002-12-30 | 반도체소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040060245A KR20040060245A (ko) | 2004-07-06 |
KR100569509B1 true KR100569509B1 (ko) | 2006-04-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020086788A Expired - Fee Related KR100569509B1 (ko) | 2002-12-30 | 2002-12-30 | 반도체소자의 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100569509B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990061066A (ko) * | 1997-12-31 | 1999-07-26 | 김영환 | 반도체소자의 소자분리막 형성방법 |
KR20010058937A (ko) * | 1999-12-30 | 2001-07-06 | 박종섭 | 반도체소자의 입력패드 |
KR20020058517A (ko) * | 2000-12-30 | 2002-07-12 | 박종섭 | 반도체소자의 트랜치 격리막 형성방법 |
KR20020086914A (ko) * | 2000-03-02 | 2002-11-20 | 세키스이가가쿠 고교가부시키가이샤 | 합판 유리용 중간막 및 합판 유리 |
-
2002
- 2002-12-30 KR KR1020020086788A patent/KR100569509B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990061066A (ko) * | 1997-12-31 | 1999-07-26 | 김영환 | 반도체소자의 소자분리막 형성방법 |
KR20010058937A (ko) * | 1999-12-30 | 2001-07-06 | 박종섭 | 반도체소자의 입력패드 |
KR20020086914A (ko) * | 2000-03-02 | 2002-11-20 | 세키스이가가쿠 고교가부시키가이샤 | 합판 유리용 중간막 및 합판 유리 |
KR20020058517A (ko) * | 2000-12-30 | 2002-07-12 | 박종섭 | 반도체소자의 트랜치 격리막 형성방법 |
Also Published As
Publication number | Publication date |
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KR20040060245A (ko) | 2004-07-06 |
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