KR940008021B1 - 반도체장치의 배선형성법 - Google Patents
반도체장치의 배선형성법 Download PDFInfo
- Publication number
- KR940008021B1 KR940008021B1 KR1019910000451A KR910000451A KR940008021B1 KR 940008021 B1 KR940008021 B1 KR 940008021B1 KR 1019910000451 A KR1019910000451 A KR 1019910000451A KR 910000451 A KR910000451 A KR 910000451A KR 940008021 B1 KR940008021 B1 KR 940008021B1
- Authority
- KR
- South Korea
- Prior art keywords
- wiring
- forming
- layer
- conductive layer
- workpiece layer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 57
- 239000004065 semiconductor Substances 0.000 title claims description 29
- 230000015572 biosynthetic process Effects 0.000 title claims description 5
- 238000005530 etching Methods 0.000 claims description 27
- 239000000758 substrate Substances 0.000 claims description 26
- 239000004020 conductor Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 25
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 5
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical group [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 4
- 238000000206 photolithography Methods 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 2
- 239000005380 borophosphosilicate glass Substances 0.000 claims description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 98
- 239000010408 film Substances 0.000 description 33
- 229920002120 photoresistant polymer Polymers 0.000 description 14
- 239000011810 insulating material Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000001465 metallisation Methods 0.000 description 4
- 238000001020 plasma etching Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000011800 void material Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000011856 silicon-based particle Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
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
- H01L21/02—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
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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 (9)
- 기판상에 제 1 피가공물층 및 반사율이 낮은 물질로 구성된 제 2 피가공물층을 차례로 형성하는 공정 ; 상기 피가공물층을 식각 대상물로 한 사진/식각공정을 행하여 상기 제 1 피가공물층 및 제 2 피가공물층으로 구성된 배선을 형성하는 공정 ; 결과물 상에 절연막을 형성하는 공정 ; 상기 절연막을 식각 대상물로 한 이방성 식각공정을 행하여 상기 배선의 측벽에 스페이서를 형성하는 공정 ; 및 상기 사진 식각공정시, 기판상에 생성되어 제거되지 않고 남아있는 이물질을 제거하는 공정으로 이루어지는 것을 특징으로 하는 반도체장치의 배선형성법.
- 제 1 항에 있어서, 상기 제 1 피가공물층은 도전물질로 구성되는 것을 특징으로 하는 반도체장치의 배선형성법.
- 제 2 항에 있어서, 상기 도전물질은 반사율이 높은 물질인 것을 특징으로 하는 반도체장치의 배선형성법.
- 제 2 항에 있어서, 상기 도전물질은 알루미늄인 것을 특징으로 하는 반도체장치의 배선형성법.
- 제 1 항에 있어서, 상기 제 2 피가공물층은 티타늄 나이트라이드(TiN)인 것을 특징으로 하는 반도체장치의 배선형성.
- 제 1 항에 있어서, 상기 절연막은 BPSG, SiO2, TEOS중 어느 하나인 것을 특징으로 하는 반도체장치의 배선형성법.
- 제 1 항에 있어서, 상기 이물질 제거는 배선형성을 위한 상기 식각공정을 반복하여 상기 기판을 과다식각하는 것을 특징으로 하는 반도체장치의 배선형성법.
- 제 1 항에 있어서, 상기 이물질 제거는 등방성식각으로 진행하는 것을 특징으로 하는 반도체장치의 배선형성법.
- 제 4 항에 있어서, 이물질 제거를 위한 에천트(etchant)는 인산과 불산을 함유하는 용액인 것을 특징으로 하는 반도체장치의 배선형성법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910000451A KR940008021B1 (ko) | 1991-01-14 | 1991-01-14 | 반도체장치의 배선형성법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910000451A KR940008021B1 (ko) | 1991-01-14 | 1991-01-14 | 반도체장치의 배선형성법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920015516A KR920015516A (ko) | 1992-08-27 |
KR940008021B1 true KR940008021B1 (ko) | 1994-08-31 |
Family
ID=19309730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910000451A KR940008021B1 (ko) | 1991-01-14 | 1991-01-14 | 반도체장치의 배선형성법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940008021B1 (ko) |
-
1991
- 1991-01-14 KR KR1019910000451A patent/KR940008021B1/ko not_active IP Right Cessation
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Publication number | Publication date |
---|---|
KR920015516A (ko) | 1992-08-27 |
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