KR100246102B1 - 반도체장치의 상부배선층 형성방법 - Google Patents
반도체장치의 상부배선층 형성방법 Download PDFInfo
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- KR100246102B1 KR100246102B1 KR1019970044928A KR19970044928A KR100246102B1 KR 100246102 B1 KR100246102 B1 KR 100246102B1 KR 1019970044928 A KR1019970044928 A KR 1019970044928A KR 19970044928 A KR19970044928 A KR 19970044928A KR 100246102 B1 KR100246102 B1 KR 100246102B1
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- South Korea
- Prior art keywords
- upper wiring
- interlayer insulating
- metal layer
- width
- layer
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 62
- 239000002184 metal Substances 0.000 claims abstract description 34
- 239000011229 interlayer Substances 0.000 claims abstract description 29
- 238000005530 etching Methods 0.000 claims abstract description 12
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000000206 photolithography Methods 0.000 claims abstract description 4
- 238000010030 laminating Methods 0.000 claims abstract description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 8
- 239000005380 borophosphosilicate glass Substances 0.000 claims description 7
- 238000013021 overheating Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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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
- H01L21/76877—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
- H01L21/70—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
-
- 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
- H01L21/02—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
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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
- H01L21/02—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
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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
Claims (5)
- 하부배선 상에 적층된 층간절연막 상에 상부배선을 형성하는 반도체장치의 제조방법에 있어서,상기 층간절연막의 상부면을 사진 식각공정을 통하여 일정 폭과 깊이를 갖는 CD를 형성하는 단계와;상기 단계 후에 CD가 형성된 절연층 상에 일정한 두께로 금속층을 적층하는 단계와;상기 단계 후에 각각 CD상부의 금속층 상에 CD의 폭보다 큰 폭으로 감광막을 도포하는 단계와;상기 단계 후에 감광막이 도포되지 않은 금속층 및 층간절연막을 일정깊이로 차례로 식각하여 금속층을 상부배선층으로 형성하는 단계로 이루어진 것을 특징으로 하는 반도체장치의 상부배선층 형성방법.
- 제 1 항에 있어서,상기 층간절연막은 IPO/BPSG/IMO막이 차례로 적층되어 이루어진 것을 특징을 하는 반도체장치의 상부배선층 형성방법.
- 제 1 항에 있어서,상기 층간절연막은 IPO/BPSG/IMO막이 차례로 적층되어 이루어진 것을 특징을 하는 반도체장치의 상부배선층 형성방법.
- 제 1 항에 있어서,상기 상부배선은 Ti/TiN/Metal/TiN층이 차례로 적층되어 이루어진 것을 특징으로 하는 반도체장치의 상부배선층 형성방법.
- 제 1 항에 있어서,상기 금속층 및 층간절연막을 식각하는 깊이는 CD의 깊이 보다 약간 얕게 형성되는 것을 특징을 하는 반도체장치의 상부배선층 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970044928A KR100246102B1 (ko) | 1997-08-30 | 1997-08-30 | 반도체장치의 상부배선층 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970044928A KR100246102B1 (ko) | 1997-08-30 | 1997-08-30 | 반도체장치의 상부배선층 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990021387A KR19990021387A (ko) | 1999-03-25 |
KR100246102B1 true KR100246102B1 (ko) | 2000-03-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970044928A KR100246102B1 (ko) | 1997-08-30 | 1997-08-30 | 반도체장치의 상부배선층 형성방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100246102B1 (ko) |
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1997
- 1997-08-30 KR KR1019970044928A patent/KR100246102B1/ko not_active IP Right Cessation
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KR19990021387A (ko) | 1999-03-25 |
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