KR20040061822A - 반도체소자의 제조방법 - Google Patents
반도체소자의 제조방법 Download PDFInfo
- Publication number
- KR20040061822A KR20040061822A KR1020020088122A KR20020088122A KR20040061822A KR 20040061822 A KR20040061822 A KR 20040061822A KR 1020020088122 A KR1020020088122 A KR 1020020088122A KR 20020088122 A KR20020088122 A KR 20020088122A KR 20040061822 A KR20040061822 A KR 20040061822A
- Authority
- KR
- South Korea
- Prior art keywords
- nitride film
- trench
- pad
- pad nitride
- oxide film
- 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.)
- Ceased
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 30
- 150000004767 nitrides Chemical class 0.000 claims abstract description 43
- 238000005530 etching Methods 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 11
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 238000000059 patterning Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (2)
- 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 패드질화막 패턴을 인산용액을 이용하여 등방성 식각하여 트랜치 에지부의 반도체기판을 노출시키는 공정과,상기 트랜치의 내벽이 웰 산화막을 형성하는 공정과,상기 구조의 전표면에 선형 질화막을 형성하는 공정과,상기 트랜치를 메우는 필드산화막을 형성하는 공정을 구비하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 인산용액의 식각공정은 140∼160℃에서, 50∼200Å 두께 실시하는 것을 특징으로 하는 반도체소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020088122A KR20040061822A (ko) | 2002-12-31 | 2002-12-31 | 반도체소자의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020088122A KR20040061822A (ko) | 2002-12-31 | 2002-12-31 | 반도체소자의 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20040061822A true KR20040061822A (ko) | 2004-07-07 |
Family
ID=37353314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020088122A Ceased KR20040061822A (ko) | 2002-12-31 | 2002-12-31 | 반도체소자의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20040061822A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100733558B1 (ko) * | 2005-08-23 | 2007-06-29 | 후지쯔 가부시끼가이샤 | 반도체 장치의 제조 방법 |
US7601576B2 (en) | 2005-08-23 | 2009-10-13 | Fujitsu Microelectronics Limited | Method for fabricating semiconductor device |
-
2002
- 2002-12-31 KR KR1020020088122A patent/KR20040061822A/ko not_active Ceased
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100733558B1 (ko) * | 2005-08-23 | 2007-06-29 | 후지쯔 가부시끼가이샤 | 반도체 장치의 제조 방법 |
US7601576B2 (en) | 2005-08-23 | 2009-10-13 | Fujitsu Microelectronics Limited | Method for fabricating semiconductor device |
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Legal Events
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20021231 |
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A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20071005 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20021231 Comment text: Patent Application |
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E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20080828 Patent event code: PE09021S01D |
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E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20081111 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20080828 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |