KR101050953B1 - 티타늄 또는 탄탈륨계 폴리머 제거방법 - Google Patents
티타늄 또는 탄탈륨계 폴리머 제거방법 Download PDFInfo
- Publication number
- KR101050953B1 KR101050953B1 KR1020040116983A KR20040116983A KR101050953B1 KR 101050953 B1 KR101050953 B1 KR 101050953B1 KR 1020040116983 A KR1020040116983 A KR 1020040116983A KR 20040116983 A KR20040116983 A KR 20040116983A KR 101050953 B1 KR101050953 B1 KR 101050953B1
- Authority
- KR
- South Korea
- Prior art keywords
- tantalum
- titanium
- etching
- based polymer
- hydroxylamine
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 69
- 229920000642 polymer Polymers 0.000 title claims abstract description 40
- 229910052715 tantalum Inorganic materials 0.000 title claims abstract description 34
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 34
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000010936 titanium Substances 0.000 title claims abstract description 26
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 26
- 238000005530 etching Methods 0.000 claims abstract description 35
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 239000004065 semiconductor Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 4
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 claims description 10
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 11
- 239000003513 alkali Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010669 acid-base reaction Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000000468 ketone group Chemical group 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920006275 Ketone-based polymer Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- -1 hydroxylamine amine Chemical class 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000007344 nucleophilic reaction Methods 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002195 soluble material 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/02068—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers
-
- 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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer using masks
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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)
- Cleaning Or Drying Semiconductors (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Abstract
Description
Claims (6)
- (a) 소정의 하부 구조를 구비하는 반도체 기판 상부에 티타늄 또는 탄탈륨으로 구성되는 피식각층을 형성하는 단계;(b) 상기 피식각층 상부에 포토레지스트 패턴을 형성하는 단계;(c) 상기 포토레지스트 패턴을 식각 마스크로 하부의 피식각층을 식각하여 피식각층 패턴을 형성하는 단계;(d) 히드록실아민(NH2OH)을 포함하는 조성물을 이용하여 (c) 단계의 결과물을 클리닝하는 단계; 및(e) 상기 포토레지스트 패턴을 스트립하는 단계를 포함하는 것을 특징으로 하는 티타늄 또는 탄탈륨계 폴리머 제거방법.
- 제 1 항에 있어서,상기 피식각층은 엠.아이.엠.(Metal-Insulator-Metal) 캐패시터 형성에 사용되는 것을 특징으로 하는 티타늄 또는 탄탈륨계 폴리머 제거방법.
- 제 1 항에 있어서,상기 피식각층은 필름 레지스터(Thin Film Resistor) 형성에 사용되는 것을 특징으로 하는 티타늄 또는 탄탈륨계 폴리머 제거방법.
- 제 1 항에 있어서,상기 조성물은 모노에탄올아민(NH2CH2CH2OH) 및 카테콜을 더 포함하는 것을 특징으로 하는 티타늄 또는 탄탈륨계 폴리머 제거방법.
- 제 1 항에 있어서, 상기 (d) 단계는히드록실아민, 모노에탄올아민 및 카테콜을 포함하는 40∼90℃의 조성물을 사용하여 50∼1000RPM의 속도로 3∼60분간 (c) 단계의 결과물을 클리닝하는 단계;상기 결과물을 탈이온수로 세정하는 단계;상기 결과물을 이소프로필알코올로 처리하는 단계; 및상기 결과물을 질소 가스로 건조하는 단계를 포함하는 것을 특징으로 하는 티타늄 또는 탄탈륨계 폴리머 제거방법.
- 제 1 항에 있어서,상기 방법은 (e) 단계를 수행한 후에 히드록실아민(NH2OH)을 포함하는 조성물을 이용하여 클리닝하는 단계를 더 포함하는 것을 특징으로 하는 티타늄 또는 탄탈륨계 폴리머 제거방법.
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KR1020040116983A KR101050953B1 (ko) | 2004-12-30 | 2004-12-30 | 티타늄 또는 탄탈륨계 폴리머 제거방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040116983A KR101050953B1 (ko) | 2004-12-30 | 2004-12-30 | 티타늄 또는 탄탈륨계 폴리머 제거방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060078671A KR20060078671A (ko) | 2006-07-05 |
KR101050953B1 true KR101050953B1 (ko) | 2011-07-20 |
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KR1020040116983A KR101050953B1 (ko) | 2004-12-30 | 2004-12-30 | 티타늄 또는 탄탈륨계 폴리머 제거방법 |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010006024A (ko) * | 1997-04-04 | 2001-01-15 | 피. 제리 코더 | 에틸렌디아민사초산 또는 그의 암모늄염 반도체 공정 잔류물 제거 조성물 및 방법 |
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- 2004-12-30 KR KR1020040116983A patent/KR101050953B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010006024A (ko) * | 1997-04-04 | 2001-01-15 | 피. 제리 코더 | 에틸렌디아민사초산 또는 그의 암모늄염 반도체 공정 잔류물 제거 조성물 및 방법 |
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