KR100480632B1 - 반도체 소자의 금속 배선 형성 방법 - Google Patents
반도체 소자의 금속 배선 형성 방법 Download PDFInfo
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- KR100480632B1 KR100480632B1 KR10-2002-0071387A KR20020071387A KR100480632B1 KR 100480632 B1 KR100480632 B1 KR 100480632B1 KR 20020071387 A KR20020071387 A KR 20020071387A KR 100480632 B1 KR100480632 B1 KR 100480632B1
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- Prior art keywords
- film
- forming
- recess region
- metal
- tungsten
- Prior art date
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 82
- 239000002184 metal Substances 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 62
- 239000004065 semiconductor Substances 0.000 title claims abstract description 29
- 230000004888 barrier function Effects 0.000 claims abstract description 18
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 16
- 238000005240 physical vapour deposition Methods 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 10
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 29
- 229910052721 tungsten Inorganic materials 0.000 claims description 29
- 239000010937 tungsten Substances 0.000 claims description 29
- 229910000086 alane Inorganic materials 0.000 claims description 9
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 6
- 238000000231 atomic layer deposition Methods 0.000 claims description 6
- TUTOKIOKAWTABR-UHFFFAOYSA-N dimethylalumane Chemical compound C[AlH]C TUTOKIOKAWTABR-UHFFFAOYSA-N 0.000 claims description 6
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 claims description 6
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 claims description 6
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 6
- AVFZOVWCLRSYKC-UHFFFAOYSA-N 1-methylpyrrolidine Chemical compound CN1CCCC1 AVFZOVWCLRSYKC-UHFFFAOYSA-N 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- AHVYPIQETPWLSZ-UHFFFAOYSA-N N-methyl-pyrrolidine Natural products CN1CC=CC1 AHVYPIQETPWLSZ-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- -1 dimethylethylamino alane Chemical compound 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 125000002524 organometallic group Chemical group 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 11
- 238000005137 deposition process Methods 0.000 description 8
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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
- H01L21/02—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28556—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by chemical means, e.g. CVD, LPCVD, PECVD, laser CVD
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/2855—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by physical means, e.g. sputtering, evaporation
-
- 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
- H01L21/32051—Deposition of metallic or metal-silicide 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
- H01L21/76838—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
- H01L21/76877—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)
- 반도체 기판상에 리세스 영역을 구비하는 절연막 패턴을 형성하는 단계와,상기 리세스 영역의 내벽 및 상기 절연막 패턴의 상부에 장벽 금속막을 형성하는 단계와,상기 장벽 금속막 위에 상기 리세스 영역을 채우는 텅스텐 플러그를 형성하는 단계와,상기 텅스텐 플러그 및 상기 절연막 패턴의 상부에 90 ∼ 400℃의 온도에서 CVD (chemical vapor deposition) 방법으로 Al막을 형성하는 단계와,상기 Al막 위에 -20 ∼ 400℃의 온도에서 PVD (physical vapor deposition) 방법으로 금속막을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제1항에 있어서,상기 리세스 영역은 상기 반도체 기판의 도전 영역을 노출시키는 콘택홀인 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제1항에 있어서,상기 리세스 영역은 상기 절연막 패턴의 두께보다 작은 깊이로 형성된 트렌치인 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제1항에 있어서,상기 장벽 금속막은 TiN으로 이루어지는 것을 특징으로 하는 반도체 소자의금속 배선 형성 방법.
- 제1항에 있어서,상기 장벽 금속막은 Ti\TiN의 적층 구조로 이루어지는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 삭제
- 제1항에 있어서,상기 텅스텐 플러그를 형성하는 단계는상기 리세스 영역의 내부 및 상기 절연막 패턴 위에 텅스텐막을 형성하는 단계와,상기 리세스 영역 내부에 텅스텐 플러그가 형성되도록 상기 텅스텐막을 평탄화하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제7항에 있어서,상기 텅스텐막은 CVD 또는 ALD (atomic layer deposition) 방법에 의하여 형성되는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제7항에 있어서,상기 텅스텐막은 200 ∼ 400℃의 온도에서 형성되는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제7항에 있어서,상기 텅스텐막을 평탄화하는 단계는 CMP (chemical mechanical polishing) 방법 또는 에치백(etchback) 방법에 의하여 행해지는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제1항에 있어서,상기 Al막은 DMEAA (dimethylethylamino alane), MPA (methylpyrrolidine alane), DMAH (dimethyl aluminum hydride), TMA (trimethyl aluminum), TMAA (trimethylamine alane) 및 TIBA (triisobutyl aluminum)로 이루어지는 군에서 선택되는 유기금속 화합물(organometallic compound)을 Al 소스로 사용하는 MOCVD (metal organic CVD) 공정에 의하여 형성되는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제1항에 있어서,상기 금속막은 Al막 또는 Al 합금막으로 이루어지는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0071387A KR100480632B1 (ko) | 2002-11-16 | 2002-11-16 | 반도체 소자의 금속 배선 형성 방법 |
US10/649,154 US6951814B2 (en) | 2002-11-16 | 2003-08-27 | Methods for forming a metal wiring layer on an integrated circuit device at reduced temperatures |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0071387A KR100480632B1 (ko) | 2002-11-16 | 2002-11-16 | 반도체 소자의 금속 배선 형성 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20040043219A KR20040043219A (ko) | 2004-05-24 |
KR100480632B1 true KR100480632B1 (ko) | 2005-03-31 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2002-0071387A KR100480632B1 (ko) | 2002-11-16 | 2002-11-16 | 반도체 소자의 금속 배선 형성 방법 |
Country Status (2)
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US (1) | US6951814B2 (ko) |
KR (1) | KR100480632B1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100596489B1 (ko) | 2004-06-28 | 2006-07-03 | 삼성전자주식회사 | 금속배선을 갖는 반도체 장치 및 이의 제조방법 |
KR100653997B1 (ko) | 2005-04-26 | 2006-12-05 | 주식회사 하이닉스반도체 | 낮은 저항을 갖는 반도체소자의 금속배선 및 그 제조 방법 |
KR100771549B1 (ko) | 2006-06-30 | 2007-10-31 | 주식회사 하이닉스반도체 | 반도체 소자의 금속컨택 형성방법 |
KR100755373B1 (ko) * | 2006-09-15 | 2007-09-04 | 삼성전자주식회사 | 도전성 산화막을 갖는 콘택 구조체, 이를 채택하는강유전체 메모리 소자 및 그 제조방법들 |
KR101050567B1 (ko) * | 2007-08-20 | 2011-07-19 | 완-링 유 | 반도체 연결패드 상의 금속범프 형성방법 |
KR100905872B1 (ko) | 2007-08-24 | 2009-07-03 | 주식회사 하이닉스반도체 | 반도체 소자의 금속배선 형성 방법 |
US8664689B2 (en) * | 2008-11-07 | 2014-03-04 | Macronix International Co., Ltd. | Memory cell access device having a pn-junction with polycrystalline plug and single-crystal semiconductor regions |
US8907316B2 (en) | 2008-11-07 | 2014-12-09 | Macronix International Co., Ltd. | Memory cell access device having a pn-junction with polycrystalline and single crystal semiconductor regions |
US20130224948A1 (en) * | 2012-02-28 | 2013-08-29 | Globalfoundries Inc. | Methods for deposition of tungsten in the fabrication of an integrated circuit |
Citations (6)
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KR20000059312A (ko) * | 1999-03-02 | 2000-10-05 | 윤종용 | 반도체 장치의 콘택 형성 방법 |
US6207558B1 (en) * | 1999-10-21 | 2001-03-27 | Applied Materials, Inc. | Barrier applications for aluminum planarization |
US6334249B2 (en) * | 1997-04-22 | 2002-01-01 | Texas Instruments Incorporated | Cavity-filling method for reducing surface topography and roughness |
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DE69327600T2 (de) * | 1992-02-28 | 2000-06-21 | St Microelectronics Inc | Herstellungsverfahren von Submikronkontakten |
JP2679680B2 (ja) * | 1995-04-24 | 1997-11-19 | 日本電気株式会社 | 半導体装置の製造方法 |
JPH1064902A (ja) * | 1996-07-12 | 1998-03-06 | Applied Materials Inc | アルミニウム材料の成膜方法及び成膜装置 |
US6075293A (en) * | 1999-03-05 | 2000-06-13 | Advanced Micro Devices, Inc. | Semiconductor device having a multi-layer metal interconnect structure |
US6448173B1 (en) * | 2000-06-07 | 2002-09-10 | International Business Machines Corporation | Aluminum-based metallization exhibiting reduced electromigration and method therefor |
KR100364260B1 (ko) * | 2001-01-05 | 2002-12-11 | 삼성전자 주식회사 | 반도체 집적 회로의 제조 방법 |
KR100421036B1 (ko) * | 2001-03-13 | 2004-03-03 | 삼성전자주식회사 | 웨이퍼 처리 장치 및 이를 이용한 웨이퍼 처리 방법 |
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2002
- 2002-11-16 KR KR10-2002-0071387A patent/KR100480632B1/ko active IP Right Grant
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2003
- 2003-08-27 US US10/649,154 patent/US6951814B2/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US6355560B1 (en) * | 1995-11-21 | 2002-03-12 | Applied Materials, Inc. | Low temperature integrated metallization process and apparatus |
US6334249B2 (en) * | 1997-04-22 | 2002-01-01 | Texas Instruments Incorporated | Cavity-filling method for reducing surface topography and roughness |
KR20000059312A (ko) * | 1999-03-02 | 2000-10-05 | 윤종용 | 반도체 장치의 콘택 형성 방법 |
US6355558B1 (en) * | 1999-06-10 | 2002-03-12 | Texas Instruments Incorporated | Metallization structure, and associated method, to improve crystallographic texture and cavity fill for CVD aluminum/PVD aluminum alloy films |
US6207558B1 (en) * | 1999-10-21 | 2001-03-27 | Applied Materials, Inc. | Barrier applications for aluminum planarization |
KR20020009013A (ko) * | 2000-07-22 | 2002-02-01 | 박종섭 | 반도체 소자의 금속 박막 및 그의 형성 방법 |
Also Published As
Publication number | Publication date |
---|---|
US6951814B2 (en) | 2005-10-04 |
US20040096571A1 (en) | 2004-05-20 |
KR20040043219A (ko) | 2004-05-24 |
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