KR100324935B1 - 반도체 소자의 배선 형성방법 - Google Patents
반도체 소자의 배선 형성방법 Download PDFInfo
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- KR100324935B1 KR100324935B1 KR1019990023739A KR19990023739A KR100324935B1 KR 100324935 B1 KR100324935 B1 KR 100324935B1 KR 1019990023739 A KR1019990023739 A KR 1019990023739A KR 19990023739 A KR19990023739 A KR 19990023739A KR 100324935 B1 KR100324935 B1 KR 100324935B1
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- Prior art keywords
- self
- pattern
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- insulating film
- film
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000004065 semiconductor Substances 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 125000006850 spacer group Chemical group 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 239000011229 interlayer Substances 0.000 claims abstract description 10
- 238000005530 etching Methods 0.000 claims abstract description 8
- 238000001312 dry etching Methods 0.000 claims abstract description 3
- 238000001039 wet etching Methods 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000002161 passivation Methods 0.000 claims 4
- 229920002120 photoresistant polymer Polymers 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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
- 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
- H01L21/76804—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 by forming tapered via holes
-
- 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
-
- 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
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
-
- 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
Landscapes
- 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
Claims (7)
- 상부에 보호막을 구비한 다수개의 도전층 패턴이 형성된 반도체 기판을 제공하는 단계;상기 도전층 패턴 및 상기 보호막의 양 측벽에 절연막 스페이서를 형성하는 단계;상기 기판 전면에 층간절연을 위한 제 1 절연막을 형성하는 단계;상기 제 1 절연막의 상기 보호막과 대응된 부분을 일정 두께만큼 제 1 식각하여, 하부가 상기 보호막과 동일폭을 가지며 상부가 상기 보호막의 폭보다 작은 폭을 가진 돌출부를 형성하는 단계;상기 돌출부의 측벽에 희생산화막 스페이서를 형성하는 단계;상기 돌출부를 포함한 희생산화막 스페이서를 마스크로 하여 상기 제 1 절연막을 제 2 식각하여 상기 기판의 표면을 노출시키는 자기정렬 패턴용 제 1 콘택홀을 형성하는 단계;상기 희생산화막 스페이서를 제거하는 단계;상기 제 1 콘택홀에 매립되도록 상기 기판 전면에 자기정렬 패턴용 도전막을 형성하는 단계; 및상기 도전막을 상기 제 1 절연막의 돌출부 표면이 노출되도록 전면식각하여, 그의 상부가 하부보다 큰폭을 갖는 자기정렬 패턴을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 배선 형성방법.
- 제 1 항에 있어서, 상기 자기정렬 패턴을 형성하는 단계 이후에,상기 기판 전면에 층간절연을 위한 제 2 절연막을 형성하는 단계; 및상기 자기정렬 패턴의 일부가 노출되도록 상기 제 2 절연막을 식각하여 배선용 제 2 콘택홀을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 배선 형성방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 자기정렬 패턴의 상부폭은 하부폭보다 1.5 내지 2배 정도 넓은 것을 특징으로 하는 반도체 소자의 배선 형성방법.
- 제 1 항에 있어서, 상기 제 1 절연막의 제 1 식각은 건식식각으로 진행하는 것을 특징으로 하는 반도체 소자의 배선 형성방법.
- 제 1 항에 있어서, 상기 희생산화막 스페이서을 제거하는 단계는 습식식각으로 진행하는 것을 특징으로 하는 반도체 소자의 배선 형성방법.
- 제 5 항에 있어서, 상기 습식식각은 상기 보호막에 대한 희생산화막의 선택비가 최소 10 이상인 습식식각용액을 이용하여 진행하는 것을 특징으로 하는 반도체 소자의 배선 형성방법.
- 제 1 항에 있어서, 상기 제 1 도전막의 전면식각은 화학기계연마로 진행하는 것을 특징으로 하는 반도체 소자의 배선 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990023739A KR100324935B1 (ko) | 1999-06-23 | 1999-06-23 | 반도체 소자의 배선 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990023739A KR100324935B1 (ko) | 1999-06-23 | 1999-06-23 | 반도체 소자의 배선 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010003442A KR20010003442A (ko) | 2001-01-15 |
KR100324935B1 true KR100324935B1 (ko) | 2002-02-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990023739A KR100324935B1 (ko) | 1999-06-23 | 1999-06-23 | 반도체 소자의 배선 형성방법 |
Country Status (1)
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KR (1) | KR100324935B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100439027B1 (ko) * | 2001-02-13 | 2004-07-03 | 삼성전자주식회사 | 셀프 얼라인 콘택형성방법 |
KR100625188B1 (ko) * | 2005-05-10 | 2006-09-15 | 삼성전자주식회사 | 반도체 소자의 제조방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR980005592A (ko) * | 1996-06-28 | 1998-03-30 | 김광호 | 자기 정렬 콘택 홀 형성 방법 |
KR19980015079A (ko) * | 1996-08-19 | 1998-05-25 | 김광호 | 반도체 메모리 디바이스 및 그 제조방법 |
KR19980015073A (ko) * | 1996-08-19 | 1998-05-25 | 김광호 | 랜딩 패드를 갖는 반도체 소자의 제조방법 |
KR19980026089A (ko) * | 1996-10-07 | 1998-07-15 | 김광호 | 반도체 소자의 자기정합 콘택홀 형성방법 |
KR19980066718A (ko) * | 1997-01-28 | 1998-10-15 | 김광호 | 반도체 장치의 콘택패드 형성방법 |
-
1999
- 1999-06-23 KR KR1019990023739A patent/KR100324935B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR980005592A (ko) * | 1996-06-28 | 1998-03-30 | 김광호 | 자기 정렬 콘택 홀 형성 방법 |
KR19980015079A (ko) * | 1996-08-19 | 1998-05-25 | 김광호 | 반도체 메모리 디바이스 및 그 제조방법 |
KR19980015073A (ko) * | 1996-08-19 | 1998-05-25 | 김광호 | 랜딩 패드를 갖는 반도체 소자의 제조방법 |
KR19980026089A (ko) * | 1996-10-07 | 1998-07-15 | 김광호 | 반도체 소자의 자기정합 콘택홀 형성방법 |
KR19980066718A (ko) * | 1997-01-28 | 1998-10-15 | 김광호 | 반도체 장치의 콘택패드 형성방법 |
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KR20010003442A (ko) | 2001-01-15 |
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