KR101021176B1 - 반도체 소자의 금속배선 형성방법 - Google Patents
반도체 소자의 금속배선 형성방법 Download PDFInfo
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- KR101021176B1 KR101021176B1 KR1020030046293A KR20030046293A KR101021176B1 KR 101021176 B1 KR101021176 B1 KR 101021176B1 KR 1020030046293 A KR1020030046293 A KR 1020030046293A KR 20030046293 A KR20030046293 A KR 20030046293A KR 101021176 B1 KR101021176 B1 KR 101021176B1
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- metal
- metal wiring
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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
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
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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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
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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
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
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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
- H01L21/76801—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
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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
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
상기 습식식각은 BOE 용액을 사용하며, 상기 습식식각공정은 상기 제1 층간절연막이 상기 금속 플러그에 비해 식각률이 높도록 실시된다.
상기 습식식각공정은 상기 제1 층간절연막의 식각률이 적어도 50Å/min이며, 상기 제1 층간절연막의 두께는 100Å 내지 2000Å이다.
상기 금속 플러그의 상부 모서리를 라운딩 처리하는 단계는 SF6/Cl2/BCl3를 포함하는 혼합가스를 주 식각가스로 사용하고, O2, N2, Ar 또는 He를 포함하는 첨가가스를 사용한다.
상기 금속 플러그의 상부 모서리를 라운딩 처리하는 단계는 Ar, O2, N2 또는 He를 포함하는 첨가가스를 이용한다.
Claims (10)
- 제1 층간절연막 내에 베리어막을 구비한 텅스텐 금속 플러그가 형성된 반도체 기판을 제공하는 단계;상기 텅스텐 금속 플러그의 양측벽의 일부가 노출되도록 상기 제1 층간절연막을 습식식각으로 리세스(recess)하는 단계;상기 노출된 텅스텐 금속 플러그의 상부 모서리를 라운딩처리하는 단계;상기 기판 전면에 확산방지막을 형성하는 단계;상기 확산방지막 상에 제2 층간절연막을 형성하고, 상기 제2 층간절연막을 패터닝하여 상기 텅스텐 금속 플러그와 상기 확산방지막 및 제1 층간절연막의 일부분이 노출되도록 트렌치를 형성하는 단계; 및상기 트렌치가 매립되도록 금속배선을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제 1 항에 있어서,상기 습식식각은 BOE 용액을 사용하는 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제 2 항에 있어서,상기 습식식각공정은 상기 제1 층간절연막이 상기 금속 플러그에 비해 식각률이 높도록 실시되는 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제 2 항에 있어서,상기 습식식각공정은 상기 제1 층간절연막의 식각률이 적어도 50Å/min인 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제 1 항에 있어서,상기 제1 층간절연막의 두께는 100Å 내지 2000Å인 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제 1 항에 있어서,상기 금속 플러그의 상부 모서리를 라운딩 처리하는 단계는 SF6/Cl2/BCl3를 포함하는 혼합가스를 주 식각가스로 사용하고, O2, N2, Ar 또는 He를 포함하는 첨가가스를 사용하는 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,상기 금속 플러그의 상부 모서리를 라운딩 처리하는 단계는 Ar, O2, N2 또는 He를 포함하는 첨가가스를 이용하는 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030046293A KR101021176B1 (ko) | 2003-07-09 | 2003-07-09 | 반도체 소자의 금속배선 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030046293A KR101021176B1 (ko) | 2003-07-09 | 2003-07-09 | 반도체 소자의 금속배선 형성방법 |
Publications (2)
Publication Number | Publication Date |
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KR20050006470A KR20050006470A (ko) | 2005-01-17 |
KR101021176B1 true KR101021176B1 (ko) | 2011-03-15 |
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KR1020030046293A Expired - Fee Related KR101021176B1 (ko) | 2003-07-09 | 2003-07-09 | 반도체 소자의 금속배선 형성방법 |
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KR (1) | KR101021176B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11367651B2 (en) | 2019-07-18 | 2022-06-21 | Samsung Electronics Co., Ltd. | Semiconductor device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100611076B1 (ko) * | 2005-07-15 | 2006-08-09 | 삼성전자주식회사 | 스택형 반도체 장치 및 그 제조 방법 |
KR20070066432A (ko) * | 2005-12-22 | 2007-06-27 | 매그나칩 반도체 유한회사 | 반도체 소자의 구리배선 형성방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010004644A (ko) * | 1999-06-29 | 2001-01-15 | 윤종용 | 에치 백을 이용한 다결정 실리콘 컨택 플러그 형성방법 및 이를 이용한 반도체 소자의 제조방법 |
KR100278274B1 (ko) * | 1997-12-30 | 2001-03-02 | 김영환 | 반도체장치의스택콘택형성방법 |
KR20030002525A (ko) * | 2001-06-29 | 2003-01-09 | 주식회사 하이닉스반도체 | 금속 배선 형성 방법 |
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2003
- 2003-07-09 KR KR1020030046293A patent/KR101021176B1/ko not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100278274B1 (ko) * | 1997-12-30 | 2001-03-02 | 김영환 | 반도체장치의스택콘택형성방법 |
KR20010004644A (ko) * | 1999-06-29 | 2001-01-15 | 윤종용 | 에치 백을 이용한 다결정 실리콘 컨택 플러그 형성방법 및 이를 이용한 반도체 소자의 제조방법 |
KR20030002525A (ko) * | 2001-06-29 | 2003-01-09 | 주식회사 하이닉스반도체 | 금속 배선 형성 방법 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11367651B2 (en) | 2019-07-18 | 2022-06-21 | Samsung Electronics Co., Ltd. | Semiconductor device |
US12165916B2 (en) | 2019-07-18 | 2024-12-10 | Samsung Electronics Co., Ltd. | Semiconductor device |
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KR20050006470A (ko) | 2005-01-17 |
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