KR0135142B1 - 반도체소자의 금속배선 형성방법 - Google Patents
반도체소자의 금속배선 형성방법Info
- Publication number
- KR0135142B1 KR0135142B1 KR1019940023063A KR19940023063A KR0135142B1 KR 0135142 B1 KR0135142 B1 KR 0135142B1 KR 1019940023063 A KR1019940023063 A KR 1019940023063A KR 19940023063 A KR19940023063 A KR 19940023063A KR 0135142 B1 KR0135142 B1 KR 0135142B1
- Authority
- KR
- South Korea
- Prior art keywords
- metal wiring
- metal
- forming
- layer
- insulating film
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 100
- 239000002184 metal Substances 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000004065 semiconductor Substances 0.000 title claims abstract description 17
- 238000005530 etching Methods 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 238000000059 patterning Methods 0.000 claims abstract description 5
- 238000005229 chemical vapour deposition Methods 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000007796 conventional method Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 31
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 238000000206 photolithography Methods 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 1
- 230000007261 regionalization 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28556—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by chemical means, e.g. CVD, LPCVD, PECVD, laser CVD
-
- 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
-
- 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
Landscapes
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (8)
- 반도체기판상에 제1절연막과 제2절연막을 차례로 형성하는 단계와, 상기 제2절연막을 소정패턴으로 패터닝하여 제1금속배선용 패턴을 형성하는 단계, 상기 제1금속배선용 패턴이 형성되지 않은 부분의 상기 제1절연막영역상에 제1금속층을 형성하는 단계, 상기 제1금속층을 에치백하여 표면을 평탄화시켜 제1금속배선을 형성하는 단계, 상기 제1금속배선 및 제2절연막 상부에 제3절연막을 형성하는 단계, 상기 제3절연막 패터닝하여 제2금속배선용 패턴을 형성하는 단계, 상기 제2금속배선용 패턴이 형성되지 않은 부분의 제1금속배선 및 제2절연막영역상에 제2금속층을 형성하는 단계, 상기 제2금속층을 에치백하여 표면을 평탄화시켜 제2금속배선을 형성하는 단계로 이루어지는 것을 특징으로 하는 반도체소자의 금속배선 형성방법.
- 제1항에 있어서, 상기 제1절연막과 제2절연막은 식각선택비 0:1-0.1:1의 비율을 갖는 물질로 된 것을 특징으로 하는 반도체소자의 금속배선 형성방법.
- 제1항에 있어서, 상기 제2절연막과 제3절연막은 식각선택비 0:1-0.1:1의 비율을 갖는 물질로 된 것을 특징으로 하는 반도체소자의 금속배선 형성방법.
- 제1항에 있어서, 상기 제2절연막은 상기 제1금속배선에 대한 식각속도가 충분히 느린 물질로 된 것을 특징으로 하는 반도체소자의 금속배선 형성방법.
- 제1항에 있어서, 상기 제3절연막은 상기 제2금속배선에 대한 식각속도가 충분히 느린 물질로 된 것을 특징으로 하는 반도체소자의 금속배선 형성방법.
- 제1항에 있어서, 상기 제1금속배선 및 제2금속배선은 선택적으로 텅스텐으로 형성하는 것을 특징으로 하는 반도체소자의 금속배선 형성방법.
- 제1항에 있어서, 상기 제1금속배선 및 제2금속배선은 화학기상증착법으로 형성되는 Cu로 형성하는 것을 특징으로 하는 반도체소자의 금속배선 형성방법.
- 제1항에 있어서, 상기 제1금속배선 및 제2금속배선은 화학기상증착법으로 성장된 단결정Al으로 형성하는 것을 특징으로 하는 반도체소자의 금속배선 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940023063A KR0135142B1 (ko) | 1994-09-13 | 1994-09-13 | 반도체소자의 금속배선 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940023063A KR0135142B1 (ko) | 1994-09-13 | 1994-09-13 | 반도체소자의 금속배선 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960012435A KR960012435A (ko) | 1996-04-20 |
KR0135142B1 true KR0135142B1 (ko) | 1998-04-25 |
Family
ID=19392620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940023063A KR0135142B1 (ko) | 1994-09-13 | 1994-09-13 | 반도체소자의 금속배선 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0135142B1 (ko) |
-
1994
- 1994-09-13 KR KR1019940023063A patent/KR0135142B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960012435A (ko) | 1996-04-20 |
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