KR0156122B1 - 반도체장치의 제조방법 - Google Patents
반도체장치의 제조방법 Download PDFInfo
- Publication number
- KR0156122B1 KR0156122B1 KR1019940028515A KR19940028515A KR0156122B1 KR 0156122 B1 KR0156122 B1 KR 0156122B1 KR 1019940028515 A KR1019940028515 A KR 1019940028515A KR 19940028515 A KR19940028515 A KR 19940028515A KR 0156122 B1 KR0156122 B1 KR 0156122B1
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- contact hole
- layer
- contact
- conductive layer
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 14
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000004888 barrier function Effects 0.000 claims abstract description 13
- 238000005530 etching Methods 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- 238000004544 sputter deposition Methods 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000005229 chemical vapour deposition Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 30
- 230000008018 melting Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000059 patterning Methods 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
-
- 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
- H01L21/76846—Layer combinations
-
- 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
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
-
- 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
- H01L23/5226—Via connections in a multilevel interconnection structure
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (10)
- 하부도전층을 포함하는반도체기판상에 제1절연막을 형성하는 단계와, 상기 제1절연막을 선택적으로 식각하여 상기 하부도전층을 노출시키는 제1콘택홀을 형성하는 단계, 상기 제1콘택홀내부를 포함한 제1절연막 상부에 실리사이드 형성을 위한 금속층을 형성하는 단계, 상기 금속층상에 장벽층을 형성하는 단계, 상기 제1콘택홀내부에 매립되도록 콘택플러그를 형성하는 단계, 상기 제1절연막 및 콘택플러그상부에 제2절연막을 형성하는 단계, 상기 제2절연막을 선택적으로 식각하여 상기 제1콘택홀 상부에 상기 콘택플러그를 노출시키는 제2콘택홀을 형성하는 단계, 및 상기 제2콘택홀내부를 포함한 제2절연막 상부에 상기 콘택플러그를 통해 상기 하부도전층과 접속되는 상부도전층을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 실리사이드 형성을 위한 금속층은 Ti, Co, Mo등으로 형성하는 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 장벽층은 TiN으로 형성하는 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 실리사이드 형성을 위한 금속층 및 장벽층은 컬리메이터를 이용한 스퍼터링방법 또는 CVD방법에 의해 형성하는 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 제1절연막 및 제2절연막은 산화막으로 형성하는 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 상부도전층은 Al, Cu, W등의 금속으로 형성하는 것을 특징으로 하는반도체장치의 제조방법.
- 제1항에 있어서, 상기 제1콘택홀과 제2콘택홀의 폭의 차이가0.2㎛가 되도록 형성하는 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 제2콘택홀을 형성하는 단계후의 제2콘택홀 내부를 포함한 제2절연막 상부에 장벽층을 형성하는 공정이 더 포함되는 것을 특징으로 하는 반도체장치의 제조방법.
- 제8항에 있어서, 상기 장벽층은 TiN을 컬리메이터를 이용한 스퍼터링방법이나 CVD방법에 의해 형성하는 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 상부도전층을 형성하는 단계후에 상기 제2절연막 및 상부도전층상부에 절연막을 형성하고, 이 절연막을 선택적으로 식각하여 상기 제2콘택홀 상부에 콘택홀을 형성한 후, 이 콘택홀을 매립시키는 도전층을 형성하는 공정을 적어도 1회이상 실시하는 단계를 더 포함하는 것을 특징으로 하는 반도체장치의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940028515A KR0156122B1 (ko) | 1994-11-01 | 1994-11-01 | 반도체장치의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940028515A KR0156122B1 (ko) | 1994-11-01 | 1994-11-01 | 반도체장치의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960019511A KR960019511A (ko) | 1996-06-17 |
KR0156122B1 true KR0156122B1 (ko) | 1998-12-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940028515A KR0156122B1 (ko) | 1994-11-01 | 1994-11-01 | 반도체장치의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0156122B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100457408B1 (ko) * | 1997-12-30 | 2005-02-23 | 주식회사 하이닉스반도체 | 반도체소자의텅스텐플러그형성방법 |
-
1994
- 1994-11-01 KR KR1019940028515A patent/KR0156122B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100457408B1 (ko) * | 1997-12-30 | 2005-02-23 | 주식회사 하이닉스반도체 | 반도체소자의텅스텐플러그형성방법 |
Also Published As
Publication number | Publication date |
---|---|
KR960019511A (ko) | 1996-06-17 |
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