KR100431325B1 - 적층된 에스아이엔을 이용한 구리확산방지막 형성방법 - Google Patents
적층된 에스아이엔을 이용한 구리확산방지막 형성방법 Download PDFInfo
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- KR100431325B1 KR100431325B1 KR10-2002-0036755A KR20020036755A KR100431325B1 KR 100431325 B1 KR100431325 B1 KR 100431325B1 KR 20020036755 A KR20020036755 A KR 20020036755A KR 100431325 B1 KR100431325 B1 KR 100431325B1
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- Prior art keywords
- film
- thin film
- sin
- forming
- copper
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000010949 copper Substances 0.000 title claims abstract description 45
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000009792 diffusion process Methods 0.000 title claims abstract description 27
- 239000010408 film Substances 0.000 claims abstract description 73
- 239000010409 thin film Substances 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 238000009713 electroplating Methods 0.000 claims abstract description 9
- 239000004065 semiconductor Substances 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 238000000151 deposition Methods 0.000 description 16
- 230000008021 deposition Effects 0.000 description 15
- 239000010410 layer Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- JUZTWRXHHZRLED-UHFFFAOYSA-N [Si].[Cu].[Cu].[Cu].[Cu].[Cu] Chemical compound [Si].[Cu].[Cu].[Cu].[Cu].[Cu] JUZTWRXHHZRLED-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910021360 copper silicide Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000004767 nitrides Chemical group 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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
- H01L21/76801—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
- H01L21/02—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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
-
- 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
- H01L21/76807—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 for dual damascene structures
-
- 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
- H01L21/7684—Smoothing; Planarisation
-
- 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
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
-
- 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
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76871—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
- H01L21/76873—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers for electroplating
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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 (5)
- 반도체기판상에 제1식각정지층과 제1산화막을 적층하는 단계;상기 제1산화막상에 제2식각정지층과 제2산화막을 적층하는 단계;다마신공정을 통해 상기 제1산화막과 제1식각정지층내에 비아홀을 형성하고 상기 제2산화막내에 트렌치를 형성하는 단계;상기 비아홀을 포함한 트렌치내에 금속박막과 금속시드박막을 형성하는 단계;상기 금속시드박막상에 전기도금막을 형성하여 상기 비아홀 및 트렌치를 매립하는 단계;CMP 공정을 진행하여 상기 전기도금막과 금속시드박막 및 금속박막을 평탄화시키는 단계;상기 평탄화된 전체 구조의 상면에 저온 SiN 박막과 고온 SiN 박막으로 구성된 적층된 SiN박막을 형성하는 단계;를 포함하여 구성되는 것을 특징으로하는 적층된 SiN을 이용한 구리확산방지막 형성방법.
- 제1항에 있어서, 상기 저온 SiN 박막은 350 ℃ 이하 온도의 저온반응기내에서 증착하고, 고온 SiN 박막은 350 ℃ 이상의 고온반응기내에서 증착하는 것을 특징으로하는 적층된 SiN을 이용한 구리확산방지막 형성방법.
- 제1항에 있어서, 상기 저온 SiN 막은 최종 SiN 막의 1/3 이하 두께로 증착하고, 고온 SiN 막은 나머지 두께만큼 증착하는 것을 특징으로하는 적층된 SiN을 이용한 구리확산방지막 형성방법.
- 제1항에 있어서, 상기 적층된 SiN 박막은 구리확산방지막으로 사용하는 것을 특징으로하는 적층된 SiN을 이용한 구리확산방지막 형성방법.
- 제1항에 있어서, 상기 SiN막은 압력이 0.1 내지 10 Torr, SiH4유량이 50 내지 1000 sccm, NH3유량이 20 내지 500 sccm, N2유량이 100 내지 5000 sccm 정도이며, 파워가 100 내지 3000 W 인 조건하에서 증착한 것을 특징으로하는 적층된 SiN을 이용한 구리확산방지막 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2002-0036755A KR100431325B1 (ko) | 2002-06-28 | 2002-06-28 | 적층된 에스아이엔을 이용한 구리확산방지막 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2002-0036755A KR100431325B1 (ko) | 2002-06-28 | 2002-06-28 | 적층된 에스아이엔을 이용한 구리확산방지막 형성방법 |
Publications (2)
Publication Number | Publication Date |
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KR20040001523A KR20040001523A (ko) | 2004-01-07 |
KR100431325B1 true KR100431325B1 (ko) | 2004-05-12 |
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KR10-2002-0036755A KR100431325B1 (ko) | 2002-06-28 | 2002-06-28 | 적층된 에스아이엔을 이용한 구리확산방지막 형성방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100762089B1 (ko) * | 2006-08-31 | 2007-10-01 | 동부일렉트로닉스 주식회사 | 반도체 소자 및 그 제조방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100788374B1 (ko) * | 2006-09-06 | 2008-01-02 | 동부일렉트로닉스 주식회사 | 반도체 소자의 금속 배선 형성 방법 |
KR100885467B1 (ko) * | 2008-11-04 | 2009-02-24 | 주식회사 아토 | 반도체 소자의 배선 형성 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5705849A (en) * | 1996-04-08 | 1998-01-06 | Chartered Semiconductor Manufacturing Pte Ltd. | Antifuse structure and method for manufacturing it |
US6211084B1 (en) * | 1998-07-09 | 2001-04-03 | Advanced Micro Devices, Inc. | Method of forming reliable copper interconnects |
KR20010062111A (ko) * | 1999-12-03 | 2001-07-07 | 루센트 테크놀러지스 인크 | 선택적 덧층을 이용한 집적회로 소자용 다층 인터커넥션제조 방법 |
KR20010081964A (ko) * | 2000-02-16 | 2001-08-29 | 마찌다 가쯔히꼬 | 반도체 장치 및 그의 제조 방법 |
-
2002
- 2002-06-28 KR KR10-2002-0036755A patent/KR100431325B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5705849A (en) * | 1996-04-08 | 1998-01-06 | Chartered Semiconductor Manufacturing Pte Ltd. | Antifuse structure and method for manufacturing it |
US6211084B1 (en) * | 1998-07-09 | 2001-04-03 | Advanced Micro Devices, Inc. | Method of forming reliable copper interconnects |
KR20010062111A (ko) * | 1999-12-03 | 2001-07-07 | 루센트 테크놀러지스 인크 | 선택적 덧층을 이용한 집적회로 소자용 다층 인터커넥션제조 방법 |
KR20010081964A (ko) * | 2000-02-16 | 2001-08-29 | 마찌다 가쯔히꼬 | 반도체 장치 및 그의 제조 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100762089B1 (ko) * | 2006-08-31 | 2007-10-01 | 동부일렉트로닉스 주식회사 | 반도체 소자 및 그 제조방법 |
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KR20040001523A (ko) | 2004-01-07 |
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