KR100252873B1 - 반도체 소자의 다층배선 및 그의 형성방법 - Google Patents
반도체 소자의 다층배선 및 그의 형성방법 Download PDFInfo
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- KR100252873B1 KR100252873B1 KR1019970050128A KR19970050128A KR100252873B1 KR 100252873 B1 KR100252873 B1 KR 100252873B1 KR 1019970050128 A KR1019970050128 A KR 1019970050128A KR 19970050128 A KR19970050128 A KR 19970050128A KR 100252873 B1 KR100252873 B1 KR 100252873B1
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- South Korea
- Prior art keywords
- insulating layer
- contact
- via contact
- interlayer insulating
- forming
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 title claims description 42
- 239000002184 metal Substances 0.000 title claims description 42
- 239000010410 layer Substances 0.000 claims abstract description 181
- 239000011229 interlayer Substances 0.000 claims abstract description 51
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 31
- 239000010937 tungsten Substances 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 125000006850 spacer group Chemical group 0.000 claims abstract description 19
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 10
- 238000005530 etching Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000000151 deposition Methods 0.000 description 8
- 238000000206 photolithography Methods 0.000 description 6
- 238000005498 polishing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000001465 metallisation Methods 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
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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 (6)
- 반도체 기판의 소정영역에 형성된 제 1 배선층과,상기 제 1 배선층상에 콘택홀을 갖도록 형성된 제 1 층간절연층과,상기 제 1 배선층과 콘택되도록 콘택홀에 형성된 제 1 비아콘택과,상기 제 1 층간절연층상에 상기 제 1 비아콘택이 드러나도록 형성된 제 2 배선층과,상기 제 2 배선층 및 상기 제 1 층간절연층상에 형성된 제 1 절연층과,상기 제 1 층간절연층상의 제 1 절연층상에 형성된 제 2 절연층과,상기 제 1 절연층과 제 2 절연층의 측면에 형성된 측벽스페이서와,상기 제 1 비아콘택과 콘택되도록 상기 측벽스페이서 사이에 형성된 텅스텐 비아콘택과,상기 텅스텐 비아콘택상에 콘택홀을 갖도록 형성된 제 2 층간절연층과,상기 텅스텐 비아콘택과 콘택되도록 콘택홀에 형성된 제 2 비아콘택과,상기 제 2 비아콘택과 콘택되어 있는 제 3 배선층을 포함함을 특징으로 하는 반도체 소자의 다층배선.
- 제 1 항에 있어서, 상기 측벽스페이서는 텅스텐과 곡면을 이루고 있음을 특징으로 하는 반도체 소자의 다층배선.
- 반도체 기판의 소정영역에 제 1 배선층을 형성하는 공정과,상기 제 1 배선층상에 콘택홀을 갖는 제 1 층간절연층을 형성하는 공정과,상기 제 1 배선층과 콘택되도록 상기 제 1 층간절연층사이의 콘택홀에 제 1 비아콘택을 형성하는 공정과,상기 제 1 층간절연층상에 상기 제 1 비아콘택이 드러나도록 제 2 배선층을 형성하는 공정과,상기 제 1 비아콘택과 제 2 금속층과 제 1 층간절연층상에 제 1 절연층을 형성하는 공정과,상기 제 2 금속층 사이의 상기 제 1 절연층 상에 제 2 절연층을 형성하는 공정과,상기 제 1 비아콘택이 드러나도록 제 2 절연층 및 상기 제 1 절연층을 식각하는 공정과,상기 제 1 절연층과 제 2 절연층의 측면에 측벽스페이서를 형성하는 공정과,상기 제 1 비아콘택과 콘택되도록 상기 측벽스페이서 사이에 텅스텐 비아콘택을 형성하는 공정과,상기 텅스텐 비아콘택과 콘택되도록 제 2 비아콘택을 형성하는 공정과,상기 텅스텐 비아콘택상에 콘택홀을 갖는 제 2 층간절연층을 형성하는 공정과,상기 텅스텐 비아콘택과 콘택되도록 상기 제 2 층간절연층사이의 콘택홀에 제 2 비아콘택을 형성하는 공정과,상기 제 2 비아콘택과 콘택되도록 제 3 배선층을 형성하는 공정을 포함함을 특징으로 반도체 소자의 다층배선 형성방법.
- 제 3 항에 있어서, 상기 제 1 절연층과 제 2 층간절연층과 측벽스페이서는 티이오에스(Tetra Ethyl Ortho Silicate:TEOS)를 사용하여 형성함을 특징으로 하는 반도체 소자의 다층배선 형성방법.
- 제 3 항에 있어서, 상기 제 1, 제 2 비아콘택은 텅스텐으로 형성함을 특징으로 하는 반도체 소자의 다층배선 형성방법.
- 제 3 항에 있어서, 상기 제 2 절연층은 스핀온글래스(Spin On Glass:SOG)를 코팅하여 형성함을 특징으로 하는 반도체 소자의 다층배선 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970050128A KR100252873B1 (ko) | 1997-09-30 | 1997-09-30 | 반도체 소자의 다층배선 및 그의 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970050128A KR100252873B1 (ko) | 1997-09-30 | 1997-09-30 | 반도체 소자의 다층배선 및 그의 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990027635A KR19990027635A (ko) | 1999-04-15 |
KR100252873B1 true KR100252873B1 (ko) | 2000-04-15 |
Family
ID=19521996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970050128A Expired - Fee Related KR100252873B1 (ko) | 1997-09-30 | 1997-09-30 | 반도체 소자의 다층배선 및 그의 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100252873B1 (ko) |
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1997
- 1997-09-30 KR KR1019970050128A patent/KR100252873B1/ko not_active Expired - Fee Related
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Publication number | Publication date |
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KR19990027635A (ko) | 1999-04-15 |
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