KR20100043906A - 국부연결배선을 이용한 반도체장치 제조 방법 - Google Patents
국부연결배선을 이용한 반도체장치 제조 방법 Download PDFInfo
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- KR20100043906A KR20100043906A KR1020080103157A KR20080103157A KR20100043906A KR 20100043906 A KR20100043906 A KR 20100043906A KR 1020080103157 A KR1020080103157 A KR 1020080103157A KR 20080103157 A KR20080103157 A KR 20080103157A KR 20100043906 A KR20100043906 A KR 20100043906A
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- Prior art keywords
- etching
- semiconductor device
- local connection
- connection wiring
- device manufacturing
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000004065 semiconductor Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 58
- 238000005530 etching Methods 0.000 claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 claims abstract description 47
- 239000002184 metal Substances 0.000 claims abstract description 47
- 239000011229 interlayer Substances 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 14
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 150000002222 fluorine compounds Chemical class 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 229910001882 dioxygen Inorganic materials 0.000 claims 1
- 239000008239 natural water Substances 0.000 claims 1
- 238000010030 laminating Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—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 conductors
- H01L21/76895—Local interconnects; Local pads, as exemplified by patent document EP0896365
-
- 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
- H01L21/31127—Etching organic layers
- H01L21/31133—Etching organic layers by chemical means
- H01L21/31138—Etching organic layers by chemical means by dry-etching
-
- 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
- H01L21/76834—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 formation of thin insulating films on the sidewalls or on top of 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
- H01L21/70—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
- H01L21/76838—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 conductors
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
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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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (12)
- 국부연결배선과 식각중단층패턴이 적층된 국부연결배선구조체를 형성하는 단계;상기 국부연결배선구조체 상부에 층간절연막에 의해 일정 간격 이격되는 금속배선을 형성하는 단계;상기 금속배선 상부에 금속간절연막을 형성하는 단계; 및상기 금속간절연막을 식각하여 상기 금속배선의 표면을 노출시키는 비아홀을 형성하는 단계를 포함하는 반도체장치 제조 방법.
- 제1항에 있어서,상기 식각중단층패턴은 상기 비아홀 형성을 위한 식각 공정시 식각저항성이 큰 물질로 형성하는 반도체장치 제조 방법.
- 제1항에 있어서,상기 식각중단층패턴은 실리콘막에 탄소 또는 질소가 도핑된 절연막을 포함하는 반도체장치 제조 방법.
- 제1항에 있어서,상기 식각중단층패턴은 실리콘산화막에 탄소 또는 질소가 도핑된 절연막을 포함하는 반도체장치 제조 방법.
- 제1항에 있어서,상기 식각중단층패턴은 SiN, SiC, SiON 또는 SiOC 중에서 선택된 어느 하나를 포함하는 반도체장치 제조 방법.
- 제1항에 있어서,상기 식각중단층패턴은 200∼1000Å 두께를 갖는 반도체장치 제조 방법.
- 제1항에 있어서,상기 금속배선은 다층 금속배선 구조 중에서 최하층의 금속배선인 반도체장치 제조 방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서,상기 국부연결배선구조체를 형성하는 단계는,상기 국부연결배선으로 사용되는 도전막 상에 식각중단층을 형성하는 단계; 및포토 및 식각을 통해 상기 식각중단층과 도전막을 순차적으로 식각하는 단계를 포함하는 반도체장치 제조 방법.
- 제8항에 있어서,상기 도전막은 Ti, TiN, Ta 또는 TaN 중에서 선택된 어느 하나를 포함하는 반도체장치 제조 방법.
- 제8항에 있어서,상기 식각중단층의 식각시,불소화합물 가스, 산소 가스 및 아르곤이 혼합된 혼합가스를 이용하는 반도체장치 제조 방법.
- 제10항에 있어서,상기 불소화합물 가스는 CHxFy 또는 CxFy(x, y는 자연수) 가스를 사용하는 반도체장치 제조 방법.
- 제10항에 있어서,상기 식각중단층의 식각시,상기 혼합가스에 N2, CO2 또는 CO 중에서 선택되는 가스를 첨가하여 진행하는 반도체장치 제조 방법.
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KR1020080103157A KR101051808B1 (ko) | 2008-10-21 | 2008-10-21 | 국부연결배선을 이용한 반도체장치 제조 방법 |
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KR1020080103157A KR101051808B1 (ko) | 2008-10-21 | 2008-10-21 | 국부연결배선을 이용한 반도체장치 제조 방법 |
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KR20100043906A true KR20100043906A (ko) | 2010-04-29 |
KR101051808B1 KR101051808B1 (ko) | 2011-07-27 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101128918B1 (ko) * | 2010-09-09 | 2012-03-27 | 주식회사 하이닉스반도체 | 반도체 소자 및 그 제조 방법 |
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KR100950201B1 (ko) * | 2003-02-27 | 2010-03-29 | 매그나칩 반도체 유한회사 | 반도체소자의 비어홀 형성방법 |
KR100539444B1 (ko) * | 2003-07-11 | 2005-12-27 | 매그나칩 반도체 유한회사 | 반도체 소자의 금속배선 형성방법 |
KR20070049409A (ko) * | 2005-11-08 | 2007-05-11 | 매그나칩 반도체 유한회사 | 이미지센서 및 그 제조 방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101128918B1 (ko) * | 2010-09-09 | 2012-03-27 | 주식회사 하이닉스반도체 | 반도체 소자 및 그 제조 방법 |
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