KR100687426B1 - 반도체소자의 구리배선막 평탄화방법 - Google Patents
반도체소자의 구리배선막 평탄화방법 Download PDFInfo
- Publication number
- KR100687426B1 KR100687426B1 KR1020050125637A KR20050125637A KR100687426B1 KR 100687426 B1 KR100687426 B1 KR 100687426B1 KR 1020050125637 A KR1020050125637 A KR 1020050125637A KR 20050125637 A KR20050125637 A KR 20050125637A KR 100687426 B1 KR100687426 B1 KR 100687426B1
- Authority
- KR
- South Korea
- Prior art keywords
- metal layer
- copper wiring
- barrier metal
- film
- wiring film
- Prior art date
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- 239000010949 copper Substances 0.000 title claims abstract description 46
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000004065 semiconductor Substances 0.000 title claims abstract description 17
- 230000004888 barrier function Effects 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 239000000126 substance Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 239000002002 slurry Substances 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 37
- 238000005498 polishing Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000000059 patterning Methods 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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 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
- H01L21/02—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]
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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 (4)
- 다마신공정에 의해 형성된 트랜치 내에 장벽금속층 및 구리배선막이 증착된 반도체소자의 구리배선막 평탄화방법에 있어서,화학적기계적평탄화장치를 사용하여 상기 구리배선막과 장벽금속층 사이의 선택비를 이용한 엔드포인트검출방법으로 상기 장벽금속층이 노출되도록 상기 구리배선막을 평탄화하는 단계와상기 화학적기계적평탄화장치의 플레이튼을 회전시키기 위한 모터전류를 측정하고, 상기 플레이튼의 회전속도에 따른 상기 장벽금속층의 제거속도를 산출하여 평탄화시간을 결정하는 단계와상기 화학적기계적평탄화장치를 이용하여 상기 결정된 평탄화시간 동안 상기 장벽금속층을 평탄화하는 단계를 포함하는 반도체소자의 구리배선막 평탄화방법.
- 제1항에서,상기 구리배선막에 대한 평탄화는 구리 슬러리 및 산화제를 사용하여 수행하는 반도체소자의 구리배선막 평탄화방법.
- 제1항에서,상기 장벽금속층은 Ta/TaN막이고 상기 절연막은 산화막인 것을 특징으로 하는 반도체소자의 구리배선막 평탄화방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050125637A KR100687426B1 (ko) | 2005-12-19 | 2005-12-19 | 반도체소자의 구리배선막 평탄화방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050125637A KR100687426B1 (ko) | 2005-12-19 | 2005-12-19 | 반도체소자의 구리배선막 평탄화방법 |
Publications (1)
Publication Number | Publication Date |
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KR100687426B1 true KR100687426B1 (ko) | 2007-02-26 |
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Family Applications (1)
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KR1020050125637A KR100687426B1 (ko) | 2005-12-19 | 2005-12-19 | 반도체소자의 구리배선막 평탄화방법 |
Country Status (1)
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KR (1) | KR100687426B1 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010079427A (ko) * | 2001-07-16 | 2001-08-22 | 전형탁 | 확산방지막내에 동종 금속의 중간 금속박막을 적용한반도체 소자의 제조방법 |
KR20040104545A (ko) * | 2002-03-25 | 2004-12-10 | 가부시키 가이샤 에바라 세이사꾸쇼 | 전해가공장치 및 전해가공방법 |
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2005
- 2005-12-19 KR KR1020050125637A patent/KR100687426B1/ko not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010079427A (ko) * | 2001-07-16 | 2001-08-22 | 전형탁 | 확산방지막내에 동종 금속의 중간 금속박막을 적용한반도체 소자의 제조방법 |
KR20040104545A (ko) * | 2002-03-25 | 2004-12-10 | 가부시키 가이샤 에바라 세이사꾸쇼 | 전해가공장치 및 전해가공방법 |
Non-Patent Citations (2)
Title |
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1020010079427 |
1020040104545 |
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