KR100548518B1 - 금속배선 형성방법 - Google Patents
금속배선 형성방법 Download PDFInfo
- Publication number
- KR100548518B1 KR100548518B1 KR1020030094095A KR20030094095A KR100548518B1 KR 100548518 B1 KR100548518 B1 KR 100548518B1 KR 1020030094095 A KR1020030094095 A KR 1020030094095A KR 20030094095 A KR20030094095 A KR 20030094095A KR 100548518 B1 KR100548518 B1 KR 100548518B1
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- KR
- South Korea
- Prior art keywords
- film
- forming
- capacitor
- insulating film
- metal film
- Prior art date
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- 239000002184 metal Substances 0.000 title claims abstract description 55
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000003990 capacitor Substances 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 230000004888 barrier function Effects 0.000 claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims abstract description 5
- 238000005530 etching Methods 0.000 claims abstract description 3
- 239000002002 slurry Substances 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001459 lithography Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- -1 and then Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
Images
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
- H01L21/7684—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
- H01L21/02—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
- H01L21/76838—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
-
- 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 (3)
- 하부금속배선이 구비된 반도체기판을 제공하는 단계와,상기 기판 위에 제 1절연막을 형성하는 단계와,상기 제 1절연막 위에 하부금속배선과 연결되는 MIM구조의 캐패시터를 형성하는 단계와,상기 캐패시터를 포함하여 단차진 기판 위에 제 2절연막을 형성하는 단계와,상기 제 2절연막을 선택식각하여 상기 캐패시터의 일부위를 노출시키는 콘택홀을 형성하는 단계와,상기 결과물 상에 베리어금속막 및 Cu 금속막을 차례로 형성하는 단계와,상기 Cu 금속막을 상기 베리어금속막이 노출되도록 1차 씨엠피하는 단계와,상기 잔류된 Cu 금속막, 베리어금속막 및 제 2절연막의 일부를 2차 씨엠피하여 표면을 평탄화시켜 상기 콘택홀을 매립시키는 플러그를 형성하는 단계를 포함한 것을 특징으로 하는 금속배선 형성방법.
- 제 1항에 있어서, 상기 1차 씨엠피공정은 Cu의 연마 선택비가 높은 특성을 갖는 슬러리를 이용하는 것을 특징으로 하는 금속배선 형성방법.
- 제 1항에 있어서, 상기 2차 씨엠피공정은 Cu, Ta 및 절연막을 동시에 제거할 수 있도록 연마 선택비가 낮은 특성을 갖는 슬러리를 이용하는 것을 특징으로 하는 금속배선 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030094095A KR100548518B1 (ko) | 2003-12-19 | 2003-12-19 | 금속배선 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030094095A KR100548518B1 (ko) | 2003-12-19 | 2003-12-19 | 금속배선 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050063042A KR20050063042A (ko) | 2005-06-28 |
KR100548518B1 true KR100548518B1 (ko) | 2006-02-02 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030094095A KR100548518B1 (ko) | 2003-12-19 | 2003-12-19 | 금속배선 형성방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100548518B1 (ko) |
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2003
- 2003-12-19 KR KR1020030094095A patent/KR100548518B1/ko active IP Right Grant
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Publication number | Publication date |
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KR20050063042A (ko) | 2005-06-28 |
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