KR100599972B1 - 반도체 소자의 형성 방법 - Google Patents
반도체 소자의 형성 방법 Download PDFInfo
- Publication number
- KR100599972B1 KR100599972B1 KR1020040116975A KR20040116975A KR100599972B1 KR 100599972 B1 KR100599972 B1 KR 100599972B1 KR 1020040116975 A KR1020040116975 A KR 1020040116975A KR 20040116975 A KR20040116975 A KR 20040116975A KR 100599972 B1 KR100599972 B1 KR 100599972B1
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- contact hole
- via contact
- metal wiring
- layer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000004065 semiconductor Substances 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 57
- 150000004767 nitrides Chemical class 0.000 claims abstract description 12
- 238000009792 diffusion process Methods 0.000 claims description 17
- 238000005530 etching Methods 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H01L21/76838—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
- H01L21/76844—Bottomless liners
-
- 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
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
-
- 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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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (2)
- (a) 하부 금속 배선을 구비한 반도체 기판 전면에 확산방지막, IMD 절연막 및 식각정지막을 순차적으로 형성하는 단계;(b) 상기 식각정지막 및 IMD 절연막을 식각하여 확산 방지막을 노출시키는 비아 콘택홀을 형성하는 단계;(c) 상기 비아 콘택홀 및 전체 표면에 라이너 질화막을 형성하는 단계;(d) 상기 반도체 기판 전면에 산화막을 형성한 후 식각하여 상기 식각정지막을 노출시키는 금속 배선용 트렌치를 형성하는 단계; 및(e) 상기 식각정지막을 하드마스크로 자기정렬 방식의 비아 에치를 실시하여 상기 비아 콘택홀 하부의 확산방지막을 제거하는 단계를 포함하는 것을 특징으로하는 반도체 소자의 형성 방법.
- 제 1항에 있어서,상기 (b) 단계의 비아 콘택홀을 형성하는 단계는 CF/O2/Ar의 혼합가스를 이용하여 확산방지막을 노출시키는 것을 특징으로 하는 반도체 소자의 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040116975A KR100599972B1 (ko) | 2004-12-30 | 2004-12-30 | 반도체 소자의 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040116975A KR100599972B1 (ko) | 2004-12-30 | 2004-12-30 | 반도체 소자의 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060078666A KR20060078666A (ko) | 2006-07-05 |
KR100599972B1 true KR100599972B1 (ko) | 2006-07-12 |
Family
ID=37170527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040116975A KR100599972B1 (ko) | 2004-12-30 | 2004-12-30 | 반도체 소자의 형성 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100599972B1 (ko) |
-
2004
- 2004-12-30 KR KR1020040116975A patent/KR100599972B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR20060078666A (ko) | 2006-07-05 |
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