KR101051950B1 - 반도체소자의 제조방법 - Google Patents
반도체소자의 제조방법 Download PDFInfo
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- KR101051950B1 KR101051950B1 KR1020030091451A KR20030091451A KR101051950B1 KR 101051950 B1 KR101051950 B1 KR 101051950B1 KR 1020030091451 A KR1020030091451 A KR 1020030091451A KR 20030091451 A KR20030091451 A KR 20030091451A KR 101051950 B1 KR101051950 B1 KR 101051950B1
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- contact portion
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- hole contact
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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
- H01L21/76898—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics formed through a semiconductor substrate
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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
- H01L21/76883—Post-treatment or after-treatment of the conductive material
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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
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
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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
- H01L21/70—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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823871—Complementary field-effect transistors, e.g. CMOS interconnection or wiring or contact manufacturing related aspects
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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
이후, 도시되지 않았지만, 백사이드 씨닝 공정으로 실리콘기판(31)의 후면을 연마하여 쓰루홀 콘택플러그(51)의 텅스텐막(45)을 노출시킨다.
Claims (14)
- 트랜지스터가 형성된 실리콘기판상에 층간절연막을 형성하는 단계;상기 층간절연막 및 실리콘기판을 선택적으로 제거하여 쓰루홀용 콘택부를 형성하는 단계;상기 층간절연막을 선택적으로 제거하여 상기 쓰루홀용 콘택부보다 작은 폭 및 깊이를 갖는 트랜지스터 콘택부를 형성하는 단계;상기 트랜지스터 콘택부를 완전 매립하고 상기 쓰루홀용 콘택부의 바닥 및 측면을 덮고 상기 쓰루홀용 콘택부를 일부 매립하는 텅스텐막을 형성하는 단계;상기 쓰루홀용 콘택부가 완전 매립되게 상기 텅스텐막 상에 구리막을 형성하는 단계; 및상기 트랜지스터 콘택부와 쓰루홀용 콘택부 외부에 형성된 구리막과 텅스텐막을 제거하여 상기 트랜지스터 콘택부와 쓰루홀용 콘택부에 각각 트랜지스터 콘택플러그와 쓰루홀 콘택플러그를 형성하는 단계;를 포함하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 쓰루홀용 콘택부는 트랜지스터 콘택부를 형성하기 전에 형성하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 텅스텐막을 형성하기 전단계로 트랜지스터 콘택부와 쓰루홀 콘택부표면에 베리어막을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제3항에 있어서, 상기 베리어막은 Ti, TiN 및 TiW 중 어느 하나의 단일막, 또는, 이들의 적층막을 이용하는 것을 특징으로하는 반도체소자의 제조방법.
- 삭제
- 제3항에 있어서, 상기 베리어막은 100Å∼1000Å 두께로 형성하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 텅스텐막은 0.1μm ∼1.5μm 두께로 형성하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 구리막을 형성하기 전단계로 상기 텅스텐막을 표면처리하는 단계를 더 포함하는 것을 특징으로하는 특징으로하는 반도체소자의 제조방법.
- 제8항에 있어서, 상기 표면처리공정은 Ar, H2, NH3, He 또는 이들의 혼합가스를 이용하여 5초∼60초 동안 플라즈마 처리로 수행하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 구리막은 전기도금 또는 선택적 무전해 도금법으로 형성하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 구리막은 0.2 내지 5 μm 두께로 형성하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 구리막을 형성한후 열처리하는 단계를 더 포함하는 것을 특징으로하는 반도체소자의 제조방법.
- 제12항에 있어서, 상기 열처리공정은 Ar, He, H2 또는 이들의 혼합가스 분위기에서 100℃∼350℃ 온도범위에서 30분∼60분 동안 퍼니스(furnace) 열처리로 수행하거나, 150∼600℃ 온도범위에서 1분∼5분 동안 급속열처리로 수행하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 구리막과 텅스텐막을 선택적으로 제거하는 공정은 CMP공정에 의해 진행하는 것을 특징으로하는 반도체소자의 제조방법.
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KR1020030091451A KR101051950B1 (ko) | 2003-12-15 | 2003-12-15 | 반도체소자의 제조방법 |
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KR1020030091451A KR101051950B1 (ko) | 2003-12-15 | 2003-12-15 | 반도체소자의 제조방법 |
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KR20050059736A KR20050059736A (ko) | 2005-06-21 |
KR101051950B1 true KR101051950B1 (ko) | 2011-07-26 |
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KR20110050957A (ko) | 2009-11-09 | 2011-05-17 | 삼성전자주식회사 | 반도체 소자의 관통 비아 콘택 및 그 형성 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010051101A (ko) * | 1999-10-18 | 2001-06-25 | 조셉 제이. 스위니 | 텅스텐, 알루미늄 및 구리 제공을 위한 라이너, 장벽,및/또는 씨드 층으로서의 pvd-imp 텅스텐 및 질화텅스텐 |
KR100309809B1 (ko) * | 1998-12-28 | 2001-11-15 | 박종섭 | 반도체소자의구리금속배선형성방법 |
US20020045298A1 (en) * | 2000-10-12 | 2002-04-18 | Akira Takahashi | Method for forming semiconductor device |
KR20020058429A (ko) * | 2000-12-30 | 2002-07-12 | 박종섭 | 반도체소자의 배선 및 그 형성방법 |
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- 2003-12-15 KR KR1020030091451A patent/KR101051950B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100309809B1 (ko) * | 1998-12-28 | 2001-11-15 | 박종섭 | 반도체소자의구리금속배선형성방법 |
KR20010051101A (ko) * | 1999-10-18 | 2001-06-25 | 조셉 제이. 스위니 | 텅스텐, 알루미늄 및 구리 제공을 위한 라이너, 장벽,및/또는 씨드 층으로서의 pvd-imp 텅스텐 및 질화텅스텐 |
US20020045298A1 (en) * | 2000-10-12 | 2002-04-18 | Akira Takahashi | Method for forming semiconductor device |
KR20020058429A (ko) * | 2000-12-30 | 2002-07-12 | 박종섭 | 반도체소자의 배선 및 그 형성방법 |
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