KR100419746B1 - 반도체소자의 다층 금속배선 형성방법 - Google Patents
반도체소자의 다층 금속배선 형성방법 Download PDFInfo
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- KR100419746B1 KR100419746B1 KR10-2002-0001202A KR20020001202A KR100419746B1 KR 100419746 B1 KR100419746 B1 KR 100419746B1 KR 20020001202 A KR20020001202 A KR 20020001202A KR 100419746 B1 KR100419746 B1 KR 100419746B1
- Authority
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- South Korea
- Prior art keywords
- metal wiring
- forming
- dielectric constant
- low dielectric
- insulating film
- Prior art date
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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
-
- 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
-
- 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
-
- 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
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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)
- Drying Of Semiconductors (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (12)
- 하부 금속배선이 형성된 반도체기판 상부에 제1 저유전율 절연막을 형성하고 이를 평탄화하여 상기 하부금속배선 상부로 소정두께 남기는 공정과,상기 하부금속배선 상부의 제1저유전율 절연막을 플라즈마식각하여 제거하는 공정과,상기 하부금속배선 및 상기 하부금속배선 간의 제1저유전율 절연막 상부에 식각장벽층을 형성하는 공정과,상기 식각장벽층 상부에 제2저유전율 절연막을 형성하는 공정과,상기 제2저유전율 절연막 상부에 산화막을 형성하는 공정과,비아콘택마스크를 이용한 사진식각공정으로 상기 산화막, 제2저유전율 절연막 및 식각장벽층을 식각하여 상기 하부금속배선을 노출시키는 비아콘택홀을 형성하는 공정과,상기 비아콘택홀을 포함한 전체표면상부에 접착막/확산방지막을 형성하는 공정과,상기 비아콘택홀을 매립하는 콘택플러그를 형성하고 이에 접속되는 상부금속배선을 형성하는 공정을 포함하는 반도체소자의 다층 금속배선 형성방법.
- 제 1 항에 있어서,상기 제1저유전율 절연막은 6000 ∼ 8000 Å 두께로 형성하는 것을 특징으로하는 반도체소자의 다층 금속배선 형성방법.
- 제 1 항에 있어서,상기 평탄화식각공정은 상기 제1저유전율 절연막을 CMP 하여 상기 하부 금속배선 상부로 1000 ∼ 2000 Å 두께만을 남기는 것을 특징으로 하는 반도체소자의 다층 금속배선 형성방법.
- 제 1 항에 있어서,상기 플라즈마 식각공정은 1×1010ion/㎤ 의 낮은 이온 밀도 ( low ion density ) 를 갖는 장비에서 1000 ∼ 1500 mTorr 의 압력, 500 ∼ 800 와트 ( watt ) 의 전력, CHF350 ∼ 70 sccm, CF4100 ∼ 150 sccm, Ar 1000 ∼ 1500 sccm 의 가스 플로우를 갖는 조건으로 실시하는 것을 특징으로 하는 반도체소자의 다층 금속배선 형성방법.
- 제 1 항에 있어서,상기 식각장벽층은 SiC 막을 PECVD 방법으로 형성하는 것을 특징으로 하는 반도체소자의 다층 금속배선 형성방법.
- 제 5 항에 있어서,상기 SiC 막을 500 ∼ 1000 Å 두께로 형성하는 것을 특징으로 하는 반도체소자의 다층 금속배선 형성방법.
- 제 1 항에 있어서,상기 산화막은 PECVD 방법으로 500 ∼ 1000 Å 두께로 형성하는 것을 특징으로 하는 반도체소자의 다층 금속배선 형성방법.
- 제 1 항에 있어서,상기 산화막의 식각공정은 1×1010ion/㎤ 의 중간 이온 밀도 ( medium ion density ) 를 갖는 장비에서 30 ∼ 50 mTorr 의 압력, 1300 ∼ 1700 와트 ( watt ) 의 전력, CF480 ∼ 120 sccm, Ar 200 ∼ 300 sccm, O215 ∼ 25 sccm 의 가스 플로우를 갖는 조건으로 실시하는 것을 특징으로 하는 반도체소자의 다층 금속배선 형성방법.
- 제 1 항에 있어서,상기 제2저유전율 절연막 식각공정은 저유전율 산화막과 식각장벽층의 식각 선택비 차이를 5 이상으로 증가시켜 식각 정지 현상을 유발하는 조건으로 실시하는 것을 특징으로 하는 반도체소자의 다층 금속배선 형성방법.
- 제 9 항에 있어서,상기 식각 정지 현상이 유발되는 조건은 30 ∼ 50 mTorr 의 압력, 1300 ∼ 1600 와트 ( watt ) 의 전력, C4F810 ∼ 20 sccm, CO 150 ∼ 250 sccm, N2100 ∼ 150 sccm 의 가스 플로우를 갖는 조건인 것을 특징으로 하는 반도체소자의 다층 금속배선 형성방법.
- 제 1 항에 있어서,상기 식각장벽층의 식각공정은 40 ∼ 60 mTorr 의 압력, 200 ∼ 300 와트 ( watt ) 의 전력, C4F810 ∼ 20 sccm, O215 ∼ 25 sccm, Ar 100 ∼ 150 sccm 의 가스 플로우를 갖는 조건으로 실시하는 것을 특징으로 하는 반도체소자의 다층 금속배선 형성방법.
- 제 1 항에 있어서,상기 접착막/확산방지막은 Ti/TiN 막을 PECVD 방법으로 형성하는 것을 특징으로 하는 반도체소자의 다층 금속배선 형성방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0001202A KR100419746B1 (ko) | 2002-01-09 | 2002-01-09 | 반도체소자의 다층 금속배선 형성방법 |
JP2002382343A JP4583706B2 (ja) | 2002-01-09 | 2002-12-27 | 半導体素子の多層金属配線形成方法 |
TW091137867A TWI236094B (en) | 2002-01-09 | 2002-12-30 | Method for forming multi-layer metal line of semiconductor device |
US10/330,057 US6815334B2 (en) | 2002-01-09 | 2002-12-30 | Method for forming multi-layer metal line of semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0001202A KR100419746B1 (ko) | 2002-01-09 | 2002-01-09 | 반도체소자의 다층 금속배선 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030060481A KR20030060481A (ko) | 2003-07-16 |
KR100419746B1 true KR100419746B1 (ko) | 2004-02-25 |
Family
ID=36648952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0001202A Expired - Lifetime KR100419746B1 (ko) | 2002-01-09 | 2002-01-09 | 반도체소자의 다층 금속배선 형성방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6815334B2 (ko) |
JP (1) | JP4583706B2 (ko) |
KR (1) | KR100419746B1 (ko) |
TW (1) | TWI236094B (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7235489B2 (en) * | 2004-05-21 | 2007-06-26 | Agere Systems Inc. | Device and method to eliminate shorting induced by via to metal misalignment |
US7067435B2 (en) * | 2004-09-29 | 2006-06-27 | Texas Instruments Incorporated | Method for etch-stop layer etching during damascene dielectric etching with low polymerization |
JP4543976B2 (ja) * | 2005-03-16 | 2010-09-15 | ヤマハ株式会社 | 接続孔形成法 |
US7317253B2 (en) * | 2005-04-25 | 2008-01-08 | Sony Corporation | Cobalt tungsten phosphate used to fill voids arising in a copper metallization process |
US20070238309A1 (en) * | 2006-03-31 | 2007-10-11 | Jun He | Method of reducing interconnect line to line capacitance by using a low k spacer |
KR100780596B1 (ko) * | 2006-06-30 | 2007-11-29 | 주식회사 하이닉스반도체 | 반도체 소자의 콘택플러그 제조 방법 |
US7858476B2 (en) * | 2006-10-30 | 2010-12-28 | Hynix Semiconductor Inc. | Method for fabricating semiconductor device with recess gate |
US8018023B2 (en) * | 2008-01-14 | 2011-09-13 | Kabushiki Kaisha Toshiba | Trench sidewall protection by a carbon-rich layer in a semiconductor device |
WO2013101204A1 (en) * | 2011-12-30 | 2013-07-04 | Intel Corporation | Self-enclosed asymmetric interconnect structures |
US8785331B2 (en) * | 2012-05-25 | 2014-07-22 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Method for replacing chlorine atoms on a film layer |
US8772938B2 (en) | 2012-12-04 | 2014-07-08 | Intel Corporation | Semiconductor interconnect structures |
KR102402761B1 (ko) | 2015-10-30 | 2022-05-26 | 삼성전자주식회사 | 반도체 장치 및 이의 제조 방법 |
US10461149B1 (en) | 2018-06-28 | 2019-10-29 | Micron Technology, Inc. | Elevationally-elongated conductive structure of integrated circuitry, method of forming an array of capacitors, method of forming DRAM circuitry, and method of forming an elevationally-elongated conductive structure of integrated circuitry |
US10475796B1 (en) * | 2018-06-28 | 2019-11-12 | Micron Technology, Inc. | Method of forming an array of capacitors, a method of forming DRAM circuitry, and a method of forming an elevationally-elongated conductive structure of integrated circuitry |
CN113140456B (zh) * | 2020-01-19 | 2024-09-06 | 珠海格力电器股份有限公司 | 一种功率半导体芯片及其制备方法 |
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JPH09116010A (ja) * | 1995-10-23 | 1997-05-02 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
US5677239A (en) * | 1992-12-15 | 1997-10-14 | Nec Corporation | Method for fabricating multi-level interconnection structure for semiconductor device |
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2002
- 2002-01-09 KR KR10-2002-0001202A patent/KR100419746B1/ko not_active Expired - Lifetime
- 2002-12-27 JP JP2002382343A patent/JP4583706B2/ja not_active Expired - Fee Related
- 2002-12-30 US US10/330,057 patent/US6815334B2/en not_active Expired - Lifetime
- 2002-12-30 TW TW091137867A patent/TWI236094B/zh not_active IP Right Cessation
Patent Citations (4)
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US5677239A (en) * | 1992-12-15 | 1997-10-14 | Nec Corporation | Method for fabricating multi-level interconnection structure for semiconductor device |
JPH09116010A (ja) * | 1995-10-23 | 1997-05-02 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
US5960310A (en) * | 1996-12-20 | 1999-09-28 | Samsung Electronics Co., Ltd. | Polishing methods for forming a contact plug |
KR20010037892A (ko) * | 1999-10-20 | 2001-05-15 | 박종섭 | 반도체 소자의 금속배선 형성방법 |
Also Published As
Publication number | Publication date |
---|---|
JP2003282709A (ja) | 2003-10-03 |
TW200302550A (en) | 2003-08-01 |
US20030129825A1 (en) | 2003-07-10 |
KR20030060481A (ko) | 2003-07-16 |
US6815334B2 (en) | 2004-11-09 |
TWI236094B (en) | 2005-07-11 |
JP4583706B2 (ja) | 2010-11-17 |
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