KR100877268B1 - 반도체 금속 배선 공정에서 알루미늄-구리 인터커넥션 개선방법 - Google Patents
반도체 금속 배선 공정에서 알루미늄-구리 인터커넥션 개선방법 Download PDFInfo
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- KR100877268B1 KR100877268B1 KR1020070062150A KR20070062150A KR100877268B1 KR 100877268 B1 KR100877268 B1 KR 100877268B1 KR 1020070062150 A KR1020070062150 A KR 1020070062150A KR 20070062150 A KR20070062150 A KR 20070062150A KR 100877268 B1 KR100877268 B1 KR 100877268B1
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- Prior art keywords
- copper
- aluminum
- wafer
- delay time
- film
- Prior art date
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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
- H01L21/28—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
- H01L21/70—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
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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
| no | 금속층 증착 시 지연시간 | rework process (Quench) | Quench condition |
| 1 | 0 min | No | |
| 2 | 30 min | No | |
| 3 | 60 min | No | |
| 4 | 120 min | No | |
| 5 | 60 min | Yes | 350℃, 70sec |
| 6 | 120 min | Yes | 350℃, 70sec |
| 7 | 240 min | Yes | 400℃, 200sec |
| M1 Dep | M3 Dep | M6 Dep | ||||
| No | 지연시간 | Quench | 지연시간 | Quench | 지연시간 | Quench |
| 1 | - | - | ||||
| 2 | 120 min | - | ||||
| 3 | 120 min | 350℃,70sec | ||||
| 4 | 120 min | 400℃,200sec | ||||
| 5 | - | - | ||||
| 6 | 240 min | - | ||||
| 7 | 240 min | 350℃,70sec | ||||
| 8 | 240 min | 400℃,200sec | ||||
| 9 | - | - | ||||
| 10 | 240 min | - | ||||
| 11 | 240 min | 350℃,70sec | ||||
| 12 | 240 min | 400℃,200sec | ||||
Claims (4)
- 반도체 금속 배선 공정에서 알루미늄-구리 인터커넥션 개선 방법으로서,(a)웨이퍼상 절연막 상부에 금속 배선을 위한 베리어막을 증착시키는 단계와,(b)상기 베리어막 상부면에 금속 배선을 위한 알루미늄-구리 합금층을 증착시키는 단계와,(c)상기 알루미늄-구리 합금층 상부에 반사 방지막을 증착시키는 단계와,(d)상기 반사 방지막 증착 후, 상기 웨이퍼가 챔버내 일정 지연시간이상 머무르게 되는 경우 상기 지연시간에 따른 상기 구리의 석출현상 방지를 위해 상기 웨이퍼에 대한 후속 열공정을 수행하는 단계를 포함하는 반도체 금속 배선 공정에서 알루미늄-구리 인터커넥션 개선방법.
- 제 1 항에 있어서,상기 (d)단계에서, 상기 웨이퍼가 챔버 내에서 2시간 미만으로 지연되는 경우 상기 웨이퍼에 대해 350℃이상의 온도에서 70sec이상 열공정을 수행시키는 것을 특징으로 하는 반도체 금속 배선 공정에서 알루미늄-구리 인터커넥션 개선방법.
- 제 1 항에 있어서,상기 (d)단계에서, 상기 웨이퍼가 챔버 내에서 2시간 이상으로 지연되는 경우 상기 웨이퍼에 대해 400℃이상의 온도에서 200sec이상 열공정을 수행시키는 것을 특징으로 하는 반도체 금속 배선 공정에서 알루미늄-구리 인터커넥션 개선방법.
- 제 1 항에 있어서,상기 (b)단계에서, 상기 베리어 막은, TiN, Ti, TiW막 중 어느 하나인 것을 특징으로 하는 반도체 금속 배선 공정에서 알루미늄-구리 인터커넥션 개선방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070062150A KR100877268B1 (ko) | 2007-06-25 | 2007-06-25 | 반도체 금속 배선 공정에서 알루미늄-구리 인터커넥션 개선방법 |
| US12/138,015 US20080318416A1 (en) | 2007-06-25 | 2008-06-12 | Method of improving interconnection between aluminum and copper in semiconductor metal line process |
| DE102008029607A DE102008029607A1 (de) | 2007-06-25 | 2008-06-23 | Verfahren zur Verbesserung der Verbindung zwischen Aluminium und Kupfer in einem Halbleiter-Metallleitungs-Prozess |
| CNA2008101278108A CN101335234A (zh) | 2007-06-25 | 2008-06-25 | 提高半导体金属布线过程中铝铜互连的方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070062150A KR100877268B1 (ko) | 2007-06-25 | 2007-06-25 | 반도체 금속 배선 공정에서 알루미늄-구리 인터커넥션 개선방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20080113547A KR20080113547A (ko) | 2008-12-31 |
| KR100877268B1 true KR100877268B1 (ko) | 2009-01-07 |
Family
ID=40121672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020070062150A Expired - Fee Related KR100877268B1 (ko) | 2007-06-25 | 2007-06-25 | 반도체 금속 배선 공정에서 알루미늄-구리 인터커넥션 개선방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20080318416A1 (ko) |
| KR (1) | KR100877268B1 (ko) |
| CN (1) | CN101335234A (ko) |
| DE (1) | DE102008029607A1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005384B (zh) * | 2010-09-16 | 2012-02-01 | 哈尔滨工程大学 | 铜金属化自形成阻挡层低温退火方法 |
| CN104124204A (zh) * | 2013-04-28 | 2014-10-29 | 无锡华润上华科技有限公司 | 一种改善半导体工艺流程中铝残留的方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010001543A (ko) * | 1999-06-05 | 2001-01-05 | 김기범 | 구리 배선 구조를 가지는 반도체 소자 제조 방법 |
| KR20060112476A (ko) * | 2005-04-27 | 2006-11-01 | 동부일렉트로닉스 주식회사 | 반도체 소자의 금속배선 형성방법 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6344281B1 (en) * | 1999-10-18 | 2002-02-05 | Cypress Semiconductor Corporation | Aluminum metallization method and product |
| US6372645B1 (en) * | 1999-11-15 | 2002-04-16 | Taiwan Semiconductor Manufacturing Company | Methods to reduce metal bridges and line shorts in integrated circuits |
| JP2001308094A (ja) * | 2000-04-19 | 2001-11-02 | Oki Electric Ind Co Ltd | 配線薄膜の堆積方法 |
| US6492281B1 (en) * | 2000-09-22 | 2002-12-10 | Advanced Micro Devices, Inc. | Method of fabricating conductor structures with metal comb bridging avoidance |
| US7064056B2 (en) * | 2003-06-13 | 2006-06-20 | Taiwan Semiconductor Manufacturing Co., Ltd. | Barrier layer stack to prevent Ti diffusion |
| US7335587B2 (en) * | 2005-06-30 | 2008-02-26 | Intel Corporation | Post polish anneal of atomic layer deposition barrier layers |
| KR20070062150A (ko) | 2005-12-12 | 2007-06-15 | 삼성전자주식회사 | 입체로 구성된 배수로용 여과기 |
-
2007
- 2007-06-25 KR KR1020070062150A patent/KR100877268B1/ko not_active Expired - Fee Related
-
2008
- 2008-06-12 US US12/138,015 patent/US20080318416A1/en not_active Abandoned
- 2008-06-23 DE DE102008029607A patent/DE102008029607A1/de not_active Ceased
- 2008-06-25 CN CNA2008101278108A patent/CN101335234A/zh active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010001543A (ko) * | 1999-06-05 | 2001-01-05 | 김기범 | 구리 배선 구조를 가지는 반도체 소자 제조 방법 |
| KR20060112476A (ko) * | 2005-04-27 | 2006-11-01 | 동부일렉트로닉스 주식회사 | 반도체 소자의 금속배선 형성방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008029607A1 (de) | 2009-01-15 |
| KR20080113547A (ko) | 2008-12-31 |
| US20080318416A1 (en) | 2008-12-25 |
| CN101335234A (zh) | 2008-12-31 |
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