KR100423352B1 - 반도체 장치의 제조방법 - Google Patents
반도체 장치의 제조방법 Download PDFInfo
- Publication number
- KR100423352B1 KR100423352B1 KR10-2001-0069468A KR20010069468A KR100423352B1 KR 100423352 B1 KR100423352 B1 KR 100423352B1 KR 20010069468 A KR20010069468 A KR 20010069468A KR 100423352 B1 KR100423352 B1 KR 100423352B1
- Authority
- KR
- South Korea
- Prior art keywords
- insulating film
- groove
- semiconductor device
- film
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 54
- 239000004065 semiconductor Substances 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 26
- 230000004913 activation Effects 0.000 claims abstract description 25
- 238000005498 polishing Methods 0.000 claims abstract description 16
- 230000008021 deposition Effects 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 34
- 238000005530 etching Methods 0.000 claims description 14
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 5
- 238000001039 wet etching Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 19
- 229910052710 silicon Inorganic materials 0.000 description 19
- 239000010703 silicon Substances 0.000 description 19
- 229910052581 Si3N4 Inorganic materials 0.000 description 11
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 11
- 150000004767 nitrides Chemical class 0.000 description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000000059 patterning Methods 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000001459 lithography Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- -1 dimension Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004528 spin coating Methods 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
-
- 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
- H01L21/76235—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 trench shape altered by a local oxidation of silicon process step, e.g. trench corner rounding by LOCOS
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 (5)
- 상이한 넓이를 갖는 복수의 활성화 영역과 상기 활성화 영역들 사이에 소자 분리 영역이 형성되어 이루어지는 반도체 장치를 제조하는 방법으로서,반도체 기판 상에 제 1 절연막 및 제 2 절연막을 순차적으로 형성하는 공정;상기 제 1 절연막 및 상기 제 2 절연막을 소정의 위치에서 복수 개구하는 공정;상기 개구 영역들에서 상기 반도체 기판에 홈을 형성하여 상이한 넓이를 갖는 활성화 영역들 및 상기 활성화 영역들 사이의 소자 분리 영역을 형성하는 공정;상기 반도체 기판 상에 제 3 절연막을 퇴적하여 상기 홈을 상기 제 3 절연막으로 매립하는 공정;상기 제 3 절연막을 CMP 방법에 의해 상기 활성화 영역 상의 상기 제 2 절연막이 노출될 때까지 연마하여 평탄화하는 공정; 및상기 제 3 절연막의 퇴적 밀도차에 따른 연마율의 차이에 의해 상기 활성화 영역 상에 잔존하는 상기 제 3 절연막을 습식 에칭에 의해 제거함과 동시에 상기 홈 내의 상기 제 3 절연막을 후퇴시키는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 1 항에 있어서, 상기 제 3 절연막은 실리콘 산화막이고, 상기 잔존하는 제 3 절연막을 제거함과 동시에 상기 홈 내의 제 3 절연막을 후퇴시키는 공정은 희석 불산 용액을 에칭액으로 사용하는 습식 에칭에 의해 수행하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 홈을 형성하는 공정과 상기 홈을 매립하는 공정 사이에, 상기 홈의 내벽을 열산화시켜 산화막을 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 3 항에 있어서, 상기 홈을 형성하는 공정과 상기 산화막을 형성하는 공정 사이에, 상기 제 1 절연막을 후퇴시키는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조방법.
- 제 1 항에 있어서, 제 3 절연막을 CMP 법에 의해 연마하여 평탄화하는 공정은 가장 좁은 활성화 영역상의 제 2 절연막이 노출될 때까지 연마하는 것을 특징으로 하는 반도체 장치의 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2000-00367444 | 2000-12-01 | ||
JP2000367444A JP2002170877A (ja) | 2000-12-01 | 2000-12-01 | 半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020043160A KR20020043160A (ko) | 2002-06-08 |
KR100423352B1 true KR100423352B1 (ko) | 2004-03-18 |
Family
ID=18837869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0069468A Expired - Fee Related KR100423352B1 (ko) | 2000-12-01 | 2001-11-08 | 반도체 장치의 제조방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6472292B2 (ko) |
JP (1) | JP2002170877A (ko) |
KR (1) | KR100423352B1 (ko) |
TW (1) | TW516169B (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6723616B2 (en) * | 2001-09-27 | 2004-04-20 | Texas Instruments Incorporated | Process of increasing screen dielectric thickness |
JP2004273519A (ja) * | 2003-03-05 | 2004-09-30 | Clariant (Japan) Kk | トレンチ・アイソレーション構造の形成方法 |
JP4756926B2 (ja) * | 2005-06-17 | 2011-08-24 | Okiセミコンダクタ株式会社 | 素子分離構造部の製造方法 |
US7754579B2 (en) * | 2006-08-21 | 2010-07-13 | Qimonda Ag | Method of forming a semiconductor device |
JP2011044503A (ja) * | 2009-08-19 | 2011-03-03 | Sharp Corp | 半導体装置の製造方法、及び、半導体装置 |
GB201112327D0 (en) * | 2011-07-18 | 2011-08-31 | Epigan Nv | Method for growing III-V epitaxial layers |
KR102191114B1 (ko) | 2018-09-17 | 2020-12-16 | 한국건설기술연구원 | 프리히터 및 리사이클러를 구비한 현장 표층 재생 아스팔트 포장장치 |
KR102145038B1 (ko) | 2018-09-17 | 2020-08-18 | 한국건설기술연구원 | 현장 표층 재생 아스팔트 포장장치의 가열판 |
KR102191112B1 (ko) | 2018-09-27 | 2020-12-16 | 한국건설기술연구원 | 현장 표층 재생 아스팔트 포장장치의 프리히터 장비 |
CN113830726A (zh) * | 2020-06-23 | 2021-12-24 | 无锡华润上华科技有限公司 | 一种半导体器件的制造方法和半导体器件 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990079343A (ko) * | 1998-04-03 | 1999-11-05 | 윤종용 | 반도체장치의 트렌치 소자분리 방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5719085A (en) * | 1995-09-29 | 1998-02-17 | Intel Corporation | Shallow trench isolation technique |
US5702977A (en) * | 1997-03-03 | 1997-12-30 | Taiwan Semiconductor Manufacturing Company, Ltd. | Shallow trench isolation method employing self-aligned and planarized trench fill dielectric layer |
JPH1126571A (ja) | 1997-07-01 | 1999-01-29 | Nippon Steel Corp | 半導体装置の製造方法 |
US20020005560A1 (en) * | 1998-02-05 | 2002-01-17 | Chung Yuan Lee | Shallow trench isolation having an etching stop layer and method for fabricating same |
US6242352B1 (en) * | 1999-02-08 | 2001-06-05 | United Microelectronics Corp. | Method of preventing micro-scratches on the surface of a semiconductor wafer when performing a CMP process |
KR100297736B1 (ko) * | 1999-08-13 | 2001-11-01 | 윤종용 | 트렌치 소자분리방법 |
US6294470B1 (en) * | 1999-12-22 | 2001-09-25 | International Business Machines Corporation | Slurry-less chemical-mechanical polishing |
US6391792B1 (en) * | 2000-05-18 | 2002-05-21 | Taiwan Semiconductor Manufacturing Co., Ltd | Multi-step chemical mechanical polish (CMP) planarizing method for forming patterned planarized aperture fill layer |
-
2000
- 2000-12-01 JP JP2000367444A patent/JP2002170877A/ja active Pending
-
2001
- 2001-10-24 TW TW090126300A patent/TW516169B/zh not_active IP Right Cessation
- 2001-11-07 US US09/986,053 patent/US6472292B2/en not_active Expired - Fee Related
- 2001-11-08 KR KR10-2001-0069468A patent/KR100423352B1/ko not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990079343A (ko) * | 1998-04-03 | 1999-11-05 | 윤종용 | 반도체장치의 트렌치 소자분리 방법 |
Also Published As
Publication number | Publication date |
---|---|
US6472292B2 (en) | 2002-10-29 |
US20020068413A1 (en) | 2002-06-06 |
KR20020043160A (ko) | 2002-06-08 |
TW516169B (en) | 2003-01-01 |
JP2002170877A (ja) | 2002-06-14 |
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