KR100211547B1 - 반도체 소자의 필드 산화막 형성방법 - Google Patents
반도체 소자의 필드 산화막 형성방법 Download PDFInfo
- Publication number
- KR100211547B1 KR100211547B1 KR1019960049395A KR19960049395A KR100211547B1 KR 100211547 B1 KR100211547 B1 KR 100211547B1 KR 1019960049395 A KR1019960049395 A KR 1019960049395A KR 19960049395 A KR19960049395 A KR 19960049395A KR 100211547 B1 KR100211547 B1 KR 100211547B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxide film
- field oxide
- field
- oxidation
- wet
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 72
- 239000004065 semiconductor Substances 0.000 title claims abstract description 39
- 230000003647 oxidation Effects 0.000 claims abstract description 58
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 58
- 150000004767 nitrides Chemical class 0.000 claims abstract description 50
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 125000006850 spacer group Chemical group 0.000 claims abstract description 10
- 238000005530 etching Methods 0.000 claims description 15
- 238000009279 wet oxidation reaction Methods 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000005684 electric field Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000007796 conventional method Methods 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001052 transient effect Effects 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
- H01L21/02—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
-
- 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
- H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
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)
- Local Oxidation Of Silicon (AREA)
- Element Separation (AREA)
- Formation Of Insulating Films (AREA)
Abstract
Description
Claims (9)
- 반도체 기판 상부에 패드 산화막, 제 1 질화막을 차례로 형성하는 공정과, 마스크 공정을 통하여 예정된 필드 산화막 영역의 상기 제 1 질화막을 식각함과 동시에 상기 반도체 기판의 소정깊이가 리세스되도록 하는 공정과, 반도체 기판 상부 전면에 제 2 질화막을 형성하는 공정과, 상기 제 2 질화막을 식각하여 노출된 반도체 기판상부와 상기 제 1 질화막 측벽에 걸쳐지는 질화막 스페이서를 형성하는 공정과, 상기 질화막 스페이서를 식각장벽으로 하여 노출된 반도체 기판을 건식식각하여 일정깊이 리세스하는 공정과, 상기 노출된 반도체 기판을 습식산화와 건식산화를 혼합하여 필드 산화막을 형성하는 공정으로 구성되는 것을 특징으로 하는 반도체 소자의 필드 산화막 형성방법.
- 제1항에 있어서, 상기 리세스되는 반도체 기판의 두께는 50~100Å 인 것을 특징으로 하는 반도체 소자의 필드 산화막 형성방법.
- 제1항에 있어서, 상기 필드 산화막 형성시 습식 및 건식산화 온도를 동일하게 하는 것을 특징으로 하는 반도체 소자의 필드 산화막 형성방법.
- 제1항에 있어서, 상기 필드 산화막 형성시 습식 및 건식산화를 각각 다른 온도에서 실시하는 것을 특징으로 하는 반도체 소자의 필드 산화막 형성방법.
- 제3항 또는 제4항에 있어서, 상기 습식 및 건식산화시에 온도는 900 내지 1200℃인 것을 특징으로 하는 반도체 소자의 필드 산화막 형성방법.
- 제1항에 있어서, 상기 필드 산화막을 하나의 레시피로 습식 및 건식산화시켜 형성하는 것을 특징으로 하는 반도체 소자의 필드 산화막 형성 방법.
- 제1항에 있어서, 상기 습식산화공정 이후에 어닐링 공정을 포함시키는 것을 특징으로 하는 반도체 소자의 필드 산화막 형성방법.
- 제7항에 있어서, 상기 어닐링 공정은 질소 분위기에서 1000 내지 1200℃ 온도에서 실시하는 것을 특징으로 하는 반도체 소자의 필드 산화막 형성방법.
- 제1항에 있어서, 상기 형성되는 전체 필드 산화막 중에서 습식산화막과 건식산화막의 두께비는 대략 1:2 ~ 2:1로 하는 것을 특징으로 하는 반도체 소자의 필드 산화막 형성방법.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960049395A KR100211547B1 (ko) | 1996-10-29 | 1996-10-29 | 반도체 소자의 필드 산화막 형성방법 |
GB9722440A GB2318910B (en) | 1996-10-29 | 1997-10-23 | Method for forming field oxide of semiconductor device |
TW086115753A TW336337B (en) | 1996-10-29 | 1997-10-24 | Method for forming field oxide of semiconductor device |
JP09295614A JP3074156B2 (ja) | 1996-10-29 | 1997-10-28 | 半導体素子のフィールド酸化膜形成方法 |
DE19747587A DE19747587C2 (de) | 1996-10-29 | 1997-10-28 | Verfahren zum Bilden eines Feldoxids einer Halbleitervorrichtung |
US08/959,205 US5985738A (en) | 1996-10-29 | 1997-10-28 | Method for forming field oxide of semiconductor device using wet and dry oxidation |
CN97120234A CN1095195C (zh) | 1996-10-29 | 1997-10-29 | 形成半导体装置场氧化物的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960049395A KR100211547B1 (ko) | 1996-10-29 | 1996-10-29 | 반도체 소자의 필드 산화막 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980030045A KR19980030045A (ko) | 1998-07-25 |
KR100211547B1 true KR100211547B1 (ko) | 1999-08-02 |
Family
ID=19479402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960049395A Expired - Fee Related KR100211547B1 (ko) | 1996-10-29 | 1996-10-29 | 반도체 소자의 필드 산화막 형성방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5985738A (ko) |
JP (1) | JP3074156B2 (ko) |
KR (1) | KR100211547B1 (ko) |
CN (1) | CN1095195C (ko) |
DE (1) | DE19747587C2 (ko) |
GB (1) | GB2318910B (ko) |
TW (1) | TW336337B (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100232898B1 (ko) * | 1997-05-07 | 1999-12-01 | 김영환 | 반도체소자의 소자분리절연막 형성방법 |
KR100232899B1 (ko) * | 1997-06-02 | 1999-12-01 | 김영환 | 반도체소자의 소자분리막 제조방법 |
US6818495B1 (en) * | 1999-06-04 | 2004-11-16 | Min-Hsiung Chiang | Method for forming high purity silicon oxide field oxide isolation region |
US6562684B1 (en) | 2000-08-30 | 2003-05-13 | Micron Technology, Inc. | Methods of forming dielectric materials |
JP3484410B2 (ja) * | 2000-12-14 | 2004-01-06 | 沖電気工業株式会社 | 半導体装置における素子分離領域の形成方法 |
TW200614373A (en) * | 2004-10-28 | 2006-05-01 | Mosel Vitelic Inc | Method for forming field oxide |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4098618A (en) * | 1977-06-03 | 1978-07-04 | International Business Machines Corporation | Method of manufacturing semiconductor devices in which oxide regions are formed by an oxidation mask disposed directly on a substrate damaged by ion implantation |
US4271583A (en) * | 1980-03-10 | 1981-06-09 | Bell Telephone Laboratories, Incorporated | Fabrication of semiconductor devices having planar recessed oxide isolation region |
US4329773A (en) * | 1980-12-10 | 1982-05-18 | International Business Machines Corp. | Method of making low leakage shallow junction IGFET devices |
US4551910A (en) * | 1984-11-27 | 1985-11-12 | Intel Corporation | MOS Isolation processing |
US4981813A (en) * | 1987-02-24 | 1991-01-01 | Sgs-Thomson Microelectronics, Inc. | Pad oxide protect sealed interface isolation process |
DE3865058D1 (de) * | 1987-02-24 | 1991-10-31 | Sgs Thomson Microelectronics | Isolationsverfahren mit einer durch eine schutzschicht aus oxid geschuetzten zwischenschicht. |
US4965221A (en) * | 1989-03-15 | 1990-10-23 | Micron Technology, Inc. | Spacer isolation method for minimizing parasitic sidewall capacitance and creating fully recessed field oxide regions |
US5057463A (en) * | 1990-02-28 | 1991-10-15 | Sgs-Thomson Microelectronics, Inc. | Thin oxide structure and method |
US5024962A (en) * | 1990-04-20 | 1991-06-18 | Teledyne Industries, Inc. | Method for preventing auto-doping in the fabrication of metal gate CMOS devices |
US5298451A (en) * | 1991-04-30 | 1994-03-29 | Texas Instruments Incorporated | Recessed and sidewall-sealed poly-buffered LOCOS isolation methods |
US5244843A (en) * | 1991-12-17 | 1993-09-14 | Intel Corporation | Process for forming a thin oxide layer |
US5316981A (en) * | 1992-10-09 | 1994-05-31 | Advanced Micro Devices, Inc. | Method for achieving a high quality thin oxide using a sacrificial oxide anneal |
US5445975A (en) * | 1994-03-07 | 1995-08-29 | Advanced Micro Devices, Inc. | Semiconductor wafer with enhanced pre-process denudation and process-induced gettering |
WO1996033510A1 (en) * | 1995-04-21 | 1996-10-24 | International Business Machines Corporation | PROCESS FOR THE CREATION OF A THERMAL SiO2 LAYER WITH EXTREMELY UNIFORM LAYER THICKNESS |
KR100197648B1 (ko) * | 1995-08-26 | 1999-06-15 | 김영환 | 반도체소자의 소자분리 절연막 형성방법 |
US5661072A (en) * | 1996-05-23 | 1997-08-26 | Micron Technology, Inc. | Method for reducing oxide thinning during the formation of a semiconductor device |
-
1996
- 1996-10-29 KR KR1019960049395A patent/KR100211547B1/ko not_active Expired - Fee Related
-
1997
- 1997-10-23 GB GB9722440A patent/GB2318910B/en not_active Expired - Fee Related
- 1997-10-24 TW TW086115753A patent/TW336337B/zh not_active IP Right Cessation
- 1997-10-28 US US08/959,205 patent/US5985738A/en not_active Expired - Lifetime
- 1997-10-28 DE DE19747587A patent/DE19747587C2/de not_active Expired - Fee Related
- 1997-10-28 JP JP09295614A patent/JP3074156B2/ja not_active Expired - Fee Related
- 1997-10-29 CN CN97120234A patent/CN1095195C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1181616A (zh) | 1998-05-13 |
GB9722440D0 (en) | 1997-12-24 |
JP3074156B2 (ja) | 2000-08-07 |
GB2318910B (en) | 2001-09-05 |
DE19747587A1 (de) | 1998-04-30 |
DE19747587C2 (de) | 2002-06-13 |
GB2318910A (en) | 1998-05-06 |
US5985738A (en) | 1999-11-16 |
KR19980030045A (ko) | 1998-07-25 |
TW336337B (en) | 1998-07-11 |
CN1095195C (zh) | 2002-11-27 |
JPH10150034A (ja) | 1998-06-02 |
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