KR100393968B1 - 반도체 소자의 이중 다마신 형성방법 - Google Patents
반도체 소자의 이중 다마신 형성방법 Download PDFInfo
- Publication number
- KR100393968B1 KR100393968B1 KR10-2000-0085292A KR20000085292A KR100393968B1 KR 100393968 B1 KR100393968 B1 KR 100393968B1 KR 20000085292 A KR20000085292 A KR 20000085292A KR 100393968 B1 KR100393968 B1 KR 100393968B1
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- South Korea
- Prior art keywords
- interlayer insulating
- region
- hard mask
- insulating film
- forming
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 239000004065 semiconductor Substances 0.000 title claims abstract description 34
- 230000009977 dual effect Effects 0.000 title claims description 11
- 239000010410 layer Substances 0.000 claims abstract description 79
- 239000011229 interlayer Substances 0.000 claims abstract description 59
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000009792 diffusion process Methods 0.000 claims abstract description 13
- 230000004888 barrier function Effects 0.000 claims abstract description 12
- 238000005530 etching Methods 0.000 claims description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 description 20
- 239000002184 metal Substances 0.000 description 20
- 229920002120 photoresistant polymer Polymers 0.000 description 17
- 239000010949 copper Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 238000000059 patterning Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011800 void material Substances 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
- H01L21/76801—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
- H01L21/76807—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 for dual damascene structures
- H01L21/76813—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 for dual damascene structures involving a partial via etch
-
- 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
- H01L21/02—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
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
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 (5)
- 반도체 기판상에 확산 방지막 및 층간 절연막을 차례로 형성하는 단계;상기 층간 절연막에 제 1 영역을 정의하고 상기 제 1 영역을 제외한 층간 절연막을 소정두께 만큼 제거하는 단계;상기 층간 절연막에 상기 제 1 영역을 포함하고 제 1 영역보다 넓게 제 2 영역을 정의하고 상기 제 2 영역을 제외한 층간 절연막을 소정두께 만큼 제거하는 단계;상기 반도체 기판의 전면에 하드 마스크층을 형성하는 단계;상기 제 1 영역의 층간 절연막 표면이 노출되도록 상기 하드 마스크층을 선택적으로 제거하는 단계;상기 하드 마스크층을 마스크로 이용하여 노출된 제 1 영역의 층간 절연막을 선택적으로 제거하는 단계;상기 제 2 영역의 층간 절연막 표면이 노출되도록 상기 하드 마스크층을 선택적으로 제거하는 단계;상기 하드 마스크층을 마스크로 이용하여 노출된 제 2 영역의 층간 절연막 및 제 1 영역의 층간 절연막을 선택적으로 제거하여 콘택홀 및 트랜치를 동시에 형성하는 단계를 포함하여 형성함을 특징으로 하는 반도체 소자의 이중 다마신 형성방법.
- 제 1 항에 있어서, 상기 하드 마스크층은 Ti/TiN/W, Ti/TiN/Cu, Ta/TaN/Cu 중에서 어느 하나를 사용하는 것을 특징으로 하는 반도체 소자의 이중 다마신 형성방법.
- 제 1 항에 있어서, 상기 하드 마스크층은 블랭킷 에치 또는 CMP 공정을 이용하여 선택적으로 제거하는 것을 특징으로 하는 반도체 소자의 이중 다마신 형성방법.
- 제 1 항에 있어서, 상기 층간 절연막은 CxFy + ClHmFn를 주 식각가스로 하여 O2, N2또는 Ar 등의 기체를 소정 량만큼 첨가하여 제거하는 것을 특징으로 하는 반도체 소자의 이중 다마신 형성방법.
- 제 1 항에 있어서, 상기 하드 마스크층의 물질로 Ti/TiN/W를 사용할 경우에는 W를 잘 식각시키는 SF6플라즈마와 Ti/TiN를 잘 식각하는 Cl2+ BCl3플라즈마를 이용하고, Ti/TiN/Cu 또는 Ta/TaN/Cu를 사용할 경우에는 CMP 공정을 이용하여 선택적으로 제거하는 것을 특징으로 하는 반도체 소자의 이중 다마신 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0085292A KR100393968B1 (ko) | 2000-12-29 | 2000-12-29 | 반도체 소자의 이중 다마신 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0085292A KR100393968B1 (ko) | 2000-12-29 | 2000-12-29 | 반도체 소자의 이중 다마신 형성방법 |
Publications (2)
Publication Number | Publication Date |
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KR20020056011A KR20020056011A (ko) | 2002-07-10 |
KR100393968B1 true KR100393968B1 (ko) | 2003-08-06 |
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KR10-2000-0085292A KR100393968B1 (ko) | 2000-12-29 | 2000-12-29 | 반도체 소자의 이중 다마신 형성방법 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US10510671B2 (en) * | 2017-11-08 | 2019-12-17 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method for forming semiconductor device structure with conductive line |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5635423A (en) * | 1994-10-11 | 1997-06-03 | Advanced Micro Devices, Inc. | Simplified dual damascene process for multi-level metallization and interconnection structure |
JP2000012538A (ja) * | 1998-06-25 | 2000-01-14 | Sharp Corp | 半導体装置の製造方法 |
KR20000033546A (ko) * | 1998-11-24 | 2000-06-15 | 윤종용 | 다마신 공정으로 형성된 도전성 배선을 구비하는 반도체장치 및그 제조방법 |
-
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- 2000-12-29 KR KR10-2000-0085292A patent/KR100393968B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5635423A (en) * | 1994-10-11 | 1997-06-03 | Advanced Micro Devices, Inc. | Simplified dual damascene process for multi-level metallization and interconnection structure |
JP2000012538A (ja) * | 1998-06-25 | 2000-01-14 | Sharp Corp | 半導体装置の製造方法 |
KR20000033546A (ko) * | 1998-11-24 | 2000-06-15 | 윤종용 | 다마신 공정으로 형성된 도전성 배선을 구비하는 반도체장치 및그 제조방법 |
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