KR100358569B1 - 반도체소자의 금속배선 형성방법 - Google Patents
반도체소자의 금속배선 형성방법 Download PDFInfo
- Publication number
- KR100358569B1 KR100358569B1 KR1019990064091A KR19990064091A KR100358569B1 KR 100358569 B1 KR100358569 B1 KR 100358569B1 KR 1019990064091 A KR1019990064091 A KR 1019990064091A KR 19990064091 A KR19990064091 A KR 19990064091A KR 100358569 B1 KR100358569 B1 KR 100358569B1
- Authority
- KR
- South Korea
- Prior art keywords
- metal wiring
- forming
- contact plug
- metal
- etch stop
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 97
- 239000002184 metal Substances 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000004065 semiconductor Substances 0.000 title claims abstract description 29
- 239000010410 layer Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 26
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000005530 etching Methods 0.000 claims abstract description 17
- 239000011229 interlayer Substances 0.000 claims abstract description 17
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 17
- 238000001465 metallisation Methods 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 22
- 229910052721 tungsten Inorganic materials 0.000 claims description 22
- 239000010937 tungsten Substances 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- 229910001080 W alloy Inorganic materials 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 239000010931 gold Substances 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 238000000151 deposition Methods 0.000 description 5
- 238000000206 photolithography Methods 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- H01L21/32136—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 using plasmas
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (4)
- 반도체기판 상부에 제1금속배선 물질인 제1알루미늄막을 형성하는 공정과,상기 제1금속배선 물질 상부에 식각방지막을 형성하는 공정과,상기 식각방지막을 제1금속배선 마스크를 이용하여 패터닝하는 공정과,전체표면상부에 금속배선 콘택플러그 물질인 제2알루미늄막을 형성하는 공정과,상기 금속배선 콘택플러그 물질 상부에 금속배선 콘택마스크를 이용하여 감광막패턴을 형성하는 공정과,상기 감광막패턴과 식각방지막을 이용한 식각공정으로 상기 금속배선 콘택플러그 물질과 제1금속배선 물질을 식각하여 콘택플러그 및 제1금속배선을 형성하는 공정과,상기 감광막패턴을 제거하고, 상기 콘택플러그의 상부면을 노출시키는 평탄화된 층간절연막을 형성하는 공정과,상기 콘택플러그에 접속되는 제2금속배선을 형성하는 공정과,상기 제2금속배선 상부를 포함한 전체표면상부에 보호막을 형성하는 공정을 특징으로하는 반도체소자의 금속배선 형성방법.
- 제 1 항에 있어서,상기 금속배선 콘택플러그 물질과 제1금속배선 물질을 식각하는 공정은 BCl3가스를 이용하여 실시하는 것을 특징으로하는 반도체소자의 금속배선 형성방법.
- 제 1 항에 있어서,상기 제2금속배선 물질은 알루미늄막인 것을 특징으로하는 반도체소자의 금속배선 형성방법.
- 제 1 항에 있어서,상기 식각방지막은 구리, 텅스텐, 구리합금 또는 텅스텐 합금 중에서 한가지로 형성하는 것을 특징으로하는 반도체소자의 금속배선 형성방법. 」
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990064091A KR100358569B1 (ko) | 1999-12-28 | 1999-12-28 | 반도체소자의 금속배선 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990064091A KR100358569B1 (ko) | 1999-12-28 | 1999-12-28 | 반도체소자의 금속배선 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010061595A KR20010061595A (ko) | 2001-07-07 |
KR100358569B1 true KR100358569B1 (ko) | 2002-10-25 |
Family
ID=19631409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990064091A KR100358569B1 (ko) | 1999-12-28 | 1999-12-28 | 반도체소자의 금속배선 형성방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100358569B1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06125010A (ja) * | 1992-10-12 | 1994-05-06 | Fujitsu Ltd | 半導体装置の製造方法 |
US5385867A (en) * | 1993-03-26 | 1995-01-31 | Matsushita Electric Industrial Co., Ltd. | Method for forming a multi-layer metallic wiring structure |
US5534462A (en) * | 1995-02-24 | 1996-07-09 | Motorola, Inc. | Method for forming a plug and semiconductor device having the same |
JPH08293585A (ja) * | 1995-02-20 | 1996-11-05 | Matsushita Electric Ind Co Ltd | 記憶装置及びその製造方法 |
JPH10125679A (ja) * | 1996-10-21 | 1998-05-15 | Oki Electric Ind Co Ltd | 半導体素子およびその製造方法 |
-
1999
- 1999-12-28 KR KR1019990064091A patent/KR100358569B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06125010A (ja) * | 1992-10-12 | 1994-05-06 | Fujitsu Ltd | 半導体装置の製造方法 |
US5385867A (en) * | 1993-03-26 | 1995-01-31 | Matsushita Electric Industrial Co., Ltd. | Method for forming a multi-layer metallic wiring structure |
JPH08293585A (ja) * | 1995-02-20 | 1996-11-05 | Matsushita Electric Ind Co Ltd | 記憶装置及びその製造方法 |
US5534462A (en) * | 1995-02-24 | 1996-07-09 | Motorola, Inc. | Method for forming a plug and semiconductor device having the same |
JPH10125679A (ja) * | 1996-10-21 | 1998-05-15 | Oki Electric Ind Co Ltd | 半導体素子およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20010061595A (ko) | 2001-07-07 |
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