KR101095998B1 - 반도체 소자의 형성 방법 - Google Patents
반도체 소자의 형성 방법 Download PDFInfo
- Publication number
- KR101095998B1 KR101095998B1 KR1020050002859A KR20050002859A KR101095998B1 KR 101095998 B1 KR101095998 B1 KR 101095998B1 KR 1020050002859 A KR1020050002859 A KR 1020050002859A KR 20050002859 A KR20050002859 A KR 20050002859A KR 101095998 B1 KR101095998 B1 KR 101095998B1
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- South Korea
- Prior art keywords
- layer
- metal
- forming
- mim capacitor
- semiconductor device
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 239000004065 semiconductor Substances 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 77
- 229910052751 metal Inorganic materials 0.000 claims abstract description 77
- 239000003990 capacitor Substances 0.000 claims abstract description 44
- 230000008569 process Effects 0.000 claims description 16
- 238000005530 etching Methods 0.000 claims description 10
- 239000010408 film Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 238000007772 electroless plating Methods 0.000 claims description 2
- 238000009832 plasma treatment Methods 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 67
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 238000007792 addition Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/692—Electrodes
-
- 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
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
- H01L21/76861—Post-treatment or after-treatment not introducing additional chemical elements into the layer
-
- 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
- H01L21/7687—Thin films associated with contacts of capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/5222—Capacitive arrangements or effects of, or between wiring layers
- H01L23/5223—Capacitor integral with wiring layers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Integrated Circuits (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (9)
- (a) 반도체 기판 상부의 다마신 절연막 패턴 내에 금속 배선을 형성하는 단계;(b) 상기 금속 배선을 상부로부터 소정 두께 식각하는 단계;(c) 상기 식각된 금속 배선 상부에 금속층을 형성하는 단계;(d) 상기 금속층 및 다마신 절연막 패턴을 평탄화하는 단계;(e) 상기 금속층 및 다마신 절연막 패턴 상부에 제 1 식각정지막을 형성하는 단계;(f) 상기 제 1 식각 정지막 상부에 MIM 캐패시터의 상부 전극층 및 제 2 식각정지막을 순차적으로 적층하는 단계; 및(g) 상기 제 2 식각정지막 및 상부 전극층을 식각하여 MIM 캐패시터를 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 형성 방법.
- 제 1 항에 있어서,상기 금속 배선은 구리(Cu) 배선인 것을 특징으로 하는 반도체 소자의 형성 방법.
- 제 2 항에 있어서,상기 (b) 단계의 식각 공정은 HNO3 용액을 이용하여 100 ~ 1000Å 만큼 식각하는 것을 특징으로 하는 반도체 소자의 형성 방법.
- 제 1 항에 있어서,상기 (c) 단계의 금속층은 W, Ta 및 Ru 중 선택된 어느 하나를 이용하여 형성하며, 100 ~ 1000Å의 두께로 형성하는 것을 특징으로 하는 반도체 소자의 형성 방법.
- 제 1 항에 있어서,상기 (c) 단계의 금속층은 WCoP 박막으로 무전해 도금법을 이용하여 형성하는 것을 특징으로 하는 반도체 소자의 형성 방법.
- 제 1 항에 있어서,상기 (b) 단계를 수행한 후 H+ 반응 세정 공정을 수행하여 상기 금속 배선 상부의 불순물을 제거하는 단계를 더 포함하는 것을 특징으로 하는 반도체 소자의 형성 방법.
- 제 1 항에 있어서,상기 (d) 단계를 수행한 후 상기 금속층의 표면에 NH3 또는 N2 플라즈마 처리를 수행하는 단계를 더 포함하는 것을 특징으로 하는 반도체 소자의 형성 방법.
- 제 1 항에 있어서,상기 (f) 단계의 상부 전극층은 WN, MoN 및 TaN 중 선택된 어느 하나를 이용하여 형성하는 것을 특징으로 하는 반도체 소자의 형성 방법.
- 제 1 항에 있어서,상기 제 1 식각정지막은 유전층인 것을 특징으로 하는 반도체 소자의 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050002859A KR101095998B1 (ko) | 2005-01-12 | 2005-01-12 | 반도체 소자의 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050002859A KR101095998B1 (ko) | 2005-01-12 | 2005-01-12 | 반도체 소자의 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060082325A KR20060082325A (ko) | 2006-07-18 |
KR101095998B1 true KR101095998B1 (ko) | 2011-12-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050002859A Expired - Fee Related KR101095998B1 (ko) | 2005-01-12 | 2005-01-12 | 반도체 소자의 형성 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR101095998B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10229826B2 (en) * | 2016-10-21 | 2019-03-12 | Lam Research Corporation | Systems and methods for forming low resistivity metal contacts and interconnects by reducing and removing metallic oxide |
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2005
- 2005-01-12 KR KR1020050002859A patent/KR101095998B1/ko not_active Expired - Fee Related
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KR20060082325A (ko) | 2006-07-18 |
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