KR101057759B1 - 반도체 장치 제조 방법 - Google Patents
반도체 장치 제조 방법 Download PDFInfo
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- KR101057759B1 KR101057759B1 KR1020030076382A KR20030076382A KR101057759B1 KR 101057759 B1 KR101057759 B1 KR 101057759B1 KR 1020030076382 A KR1020030076382 A KR 1020030076382A KR 20030076382 A KR20030076382 A KR 20030076382A KR 101057759 B1 KR101057759 B1 KR 101057759B1
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- forming
- contact hole
- film
- etch stop
- semiconductor device
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 122
- 239000010410 layer Substances 0.000 claims abstract description 103
- 238000005530 etching Methods 0.000 claims abstract description 55
- 239000011229 interlayer Substances 0.000 claims abstract description 46
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 238000000151 deposition Methods 0.000 claims abstract description 4
- 239000005368 silicate glass Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 4
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 238000005229 chemical vapour deposition Methods 0.000 claims 1
- 230000008021 deposition Effects 0.000 abstract description 2
- 150000004767 nitrides Chemical class 0.000 description 15
- 239000012535 impurity Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 229910052721 tungsten Inorganic materials 0.000 description 8
- 239000010937 tungsten Substances 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 6
- 238000005468 ion implantation Methods 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 238000004380 ashing Methods 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- -1 tungsten silicide Chemical compound 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000005380 borophosphosilicate glass Substances 0.000 description 2
- 239000005388 borosilicate glass Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000005360 phosphosilicate glass Substances 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- ISQINHMJILFLAQ-UHFFFAOYSA-N argon hydrofluoride Chemical compound F.[Ar] ISQINHMJILFLAQ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000001039 wet etching 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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76814—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics post-treatment or after-treatment, e.g. cleaning or removal of oxides on underlying conductors
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/0206—Cleaning during device manufacture during, before or after processing of insulating layers
- H01L21/02063—Cleaning during device manufacture during, before or after processing of insulating layers the processing being the formation of vias or contact holes
-
- 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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner 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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
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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)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (12)
- 기판 상에 이웃하는 복수의 도전패턴을 형성하는 단계;상기 도전패턴이 형성된 프로파일을 따라 식각정지막을 형성하는 단계;상기 식각정지막이 형성된 기판 전면에 층간절연막을 형성하는 단계;상기 층간절연막 상에 포토레지스트 패턴을 형성하는 단계;상기 포토레지스트 패턴을 식각마스크로 상기 층간절연막을 식각하여 상기 이웃하는 도전패턴 사이의 식각정지막을 노출시키는 콘택홀을 형성하는 단계;상기 포토레지스트 패턴을 제거하는 단계;상기 콘택홀 저면의 면적 확보를 위해 1차 세정하는 단계;상기 콘택홀을 포함하는 전면을 따라 절연성 캡핑층을 형성하는 단계;상기 콘택홀 저면의 면적 확보를 위해 2차 세정하는 단계; 및CxFy(x,y는 1 내지 10)/CaHbFc(a,b,c는 1 내지 10)/Ar 및 CHF3/CF4/Ar을 이용하는 식각 공정을 차례로 실시하여 상기 콘택홀 저면에서의 캡핑층과 식각정지막을 제거하여 상기 기판을 노출시키는 단계를 포함하는 반도체 장치 제조 방법.
- 청구항 2은(는) 설정등록료 납부시 포기되었습니다.제 1 항에 있어서,상기 캡핑층은 USG(Undoped Silicate Glass)막을 포함하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 청구항 3은(는) 설정등록료 납부시 포기되었습니다.제 1 항 또는 제 2 항에 있어서,상기 캡핑층을 형성하는 단계에서, 저압 화학기상증착 방식 또는 플라즈마 화학기상증착 방식을 이용하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 청구항 4은(는) 설정등록료 납부시 포기되었습니다.제 3 항에 있어서,상기 기판을 노출시키는 단계에서,각각 10SCCM 내지 100SCCM의 CxFy(x,y는 1 ∼ 10)/CaHbFc(a,b,c는 1 ∼ 10)/Ar의 가스를 사용하고, 챔버의 압력은 10mTorr 내지 100mTorr, 온도는 0℃ 내지 60℃로 유지하여 상기 캡핑층을 제거하며,각각 10SCCM 내지 100SCCM의 CHF3/CF4/Ar의 혼합가스를 사용하고, 챔버의 압력은 50mTorr 내지 500mTorr, 온도는 0℃ 내지 60℃로 유지하여 상기 식각정지막을 제거하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 청구항 5은(는) 설정등록료 납부시 포기되었습니다.제 1 항에 있어서,상기 1차 및 2차 세정하는 단계에서,불산 또는 BOE(Buffered Oxide Etchant)를 이용하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 청구항 6은(는) 설정등록료 납부시 포기되었습니다.제 1 항에 있어서,상기 콘택홀을 형성하는 단계에서, 자기정렬콘택 식각 공정을 이용하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 삭제
- 청구항 8은(는) 설정등록료 납부시 포기되었습니다.제 6 항에 있어서,상기 자기정렬콘택 식각시 CxFy(x,y는 1 내지 10) 가스를 이용하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 청구항 9은(는) 설정등록료 납부시 포기되었습니다.제 1 항에 있어서,상기 2차 세정하는 단계 후,노출된 상기 기판에 전기적으로 도통된 플러그를 형성하는 단계를 더 포함하며,상기 플러그를 형성하는 단계는,상기 노출된 기판에 도통되도록 플러그 형성용 물질을 형성하는 단계; 및상기 도전패턴 상부가 노출되는 타겟으로 상기 플러그 형성용 물질을 연마하여 격리된 플러그를 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 청구항 10은(는) 설정등록료 납부시 포기되었습니다.제 9 항에 있어서,상기 플러그 형성용 물질을 형성하는 단계는,상기 기판 전면에 상기 플러그 형성용 물질을 증착하는 방식 또는 선택적 에 피택셜 성장을 통해 상기 노출된 기판으로부터 성장시키는 방식을 이용하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 청구항 11은(는) 설정등록료 납부시 포기되었습니다.제 1 항에 있어서,상기 포토레지스트 패턴은, 라인 타입 또는 홀 타입 또는 T 타입 중 어느 하나를 포함하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 청구항 12은(는) 설정등록료 납부시 포기되었습니다.제 1 항에 있어서,상기 도전패턴은 게이트전극 패턴, 비트라인 또는 금속배선 중 어느 하나를 포함하는 것을 특징으로 하는 반도체 장치 제조 방법.
Priority Applications (1)
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KR1020030076382A KR101057759B1 (ko) | 2003-10-30 | 2003-10-30 | 반도체 장치 제조 방법 |
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KR1020030076382A KR101057759B1 (ko) | 2003-10-30 | 2003-10-30 | 반도체 장치 제조 방법 |
Publications (2)
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KR20050041264A KR20050041264A (ko) | 2005-05-04 |
KR101057759B1 true KR101057759B1 (ko) | 2011-08-19 |
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KR1020030076382A Expired - Fee Related KR101057759B1 (ko) | 2003-10-30 | 2003-10-30 | 반도체 장치 제조 방법 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100728976B1 (ko) * | 2006-02-10 | 2007-06-15 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
KR100769149B1 (ko) | 2006-09-05 | 2007-10-22 | 동부일렉트로닉스 주식회사 | 반도체 소자 형성방법 |
KR100791213B1 (ko) * | 2006-12-21 | 2008-01-04 | 동부일렉트로닉스 주식회사 | 반사방지막을 사용한 미세패턴 형성방법 |
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