KR20040028717A - 오가노실리케이트 글래스 저유전율 에칭용 o₂및nh₃함유 후기-에칭 포토레지스트 스트립 - Google Patents
오가노실리케이트 글래스 저유전율 에칭용 o₂및nh₃함유 후기-에칭 포토레지스트 스트립 Download PDFInfo
- Publication number
- KR20040028717A KR20040028717A KR10-2003-7010533A KR20037010533A KR20040028717A KR 20040028717 A KR20040028717 A KR 20040028717A KR 20037010533 A KR20037010533 A KR 20037010533A KR 20040028717 A KR20040028717 A KR 20040028717A
- Authority
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- South Korea
- Prior art keywords
- strip
- wafer
- photoresist
- dielectric
- plasma
- Prior art date
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- 229920002120 photoresistant polymer Polymers 0.000 title claims abstract description 44
- 239000011521 glass Substances 0.000 title claims description 9
- 238000000034 method Methods 0.000 claims abstract description 80
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000003701 inert diluent Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 2
- 235000012431 wafers Nutrition 0.000 abstract description 52
- 230000008569 process Effects 0.000 abstract description 42
- 210000002381 plasma Anatomy 0.000 abstract description 28
- 239000004065 semiconductor Substances 0.000 abstract description 28
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000005530 etching Methods 0.000 abstract description 16
- 238000011065 in-situ storage Methods 0.000 abstract description 6
- 230000001590 oxidative effect Effects 0.000 abstract description 6
- 238000011066 ex-situ storage Methods 0.000 abstract description 5
- 230000002829 reductive effect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 26
- 238000012360 testing method Methods 0.000 description 16
- 230000008859 change Effects 0.000 description 9
- 238000011160 research Methods 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 235000014653 Carica parviflora Nutrition 0.000 description 5
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000010432 diamond Substances 0.000 description 5
- 239000003085 diluting agent Substances 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 5
- 244000132059 Carica parviflora Species 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 241000243321 Cnidaria Species 0.000 description 1
- 241000220010 Rhode Species 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010963 scalable process Methods 0.000 description 1
- 238000005389 semiconductor device fabrication Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/42—Stripping or agents therefor
- G03F7/427—Stripping or agents therefor using plasma means only
-
- 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
- H01L21/31127—Etching organic layers
- H01L21/31133—Etching organic layers by chemical means
- H01L21/31138—Etching organic layers by chemical means by dry-etching
-
- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Drying Of Semiconductors (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Glass Compositions (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (17)
- 한 개 이상의 오가노실리케이트 글래스 유전체층을 포함하는 웨이퍼로부터의 포토레지스트 스트립 방법으로서, 상기 방법은,- 반응 챔버 내에 웨이퍼를 위치시키고,- 반응 챔버 내에 스트립 기체를 유입시키며, 이때, 상기 스트립 기체는 활성 스트립 에이전트를 포함하고, 상기 활성 스트립 에이전트는 산소와 암모니아 중에서 선택되며, 그리고- 상기 스트립 기체를 이용하여 반응 챔버 내에 플라즈마를 형성하고, 따라서, 웨이퍼로부터 포토레지스트를 제거하는,이상의 단계를 포함하는 것을 특징으로 하는 포토레지스트 스트립 방법.
- 제 1 항에 있어서, 스트립 기체를 이용하는 상기 단계 동안 상기 웨이퍼를 섭씨 60도 미만으로 냉각시키는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
- 제 2 항에 있어서, 상기 스트립 기체가 비활성 희석제를 추가로 포함하는 것을 특징으로 하는 방법.
- 제 3 항에 있어서, 상기 비활성 희석제가 질소인 것을 특징으로 하는 방법.
- 제 4 항에 있어서, 플라즈마 고리로 플라즈마를 한정하는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 활성 스트립 에이전트가 암모니아인 것을 특징으로 하는 방법.
- 제 6 항에 있어서, 상기 웨이퍼는 한개 이상의 구리 접점을 포함하는 것을 특징으로 하는 방법.
- 제 7 항에 있어서, 스트립 기체를 이용하는 상기 단계동안 웨이퍼 온도를 섭씨 60도 미만으로 냉각시키는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
- 제 8 항에 있어서, 상기 스트립 기체가 비활성 희석제를 포함하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 비활성 희석제가 산소인 것을 특징으로 하는 방법.
- 제 10 항에 있어서, 스트립 기체를 이용하는 상기 단계 동안 웨이퍼 온도를 섭씨 60도 미만으로 냉각시키는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
- 제 11 항에 있어서, 상기 스트립 기체가 비활성 희석제를 추가로 포함하는 것을 특징으로 하는 방법.
- - 오가노실리케이트 글래스 위에 포토레지스트 마스크를 형성하고,- 웨이퍼를 반응 챔버 내에 위치시키며,- 스트립 기체를 상기 반응 챔버 내에 유입시키고, 이때, 상기 스트립 기체는 활성 스트립 에이전트를 포함하고, 상기 활성 스트립 에이전트는 산소와 암모니아 중에서 선택되며, 그리고- 상기 스트립 기체를 이용하여 반응 챔버 내에 플라즈마를 형성하고, 따라서, 웨이퍼로부터 포토레지스트를 제거하는,이상의 단계를 포함하는 방법에 의해 형성되는 웨이퍼 상에 오가노실리케이트 글래스의 한개 이상의 특징부를 포함하는 집적 회로.
- 제 13 항에 있어서, 스트립 기체를 이용하는 상기 단계동안 웨이퍼 온도를 섭씨 60도 미만으로 냉각시키는 단계를 추가로 포함하는 것을 특징으로 하는 집적 회로.
- 제 14 항에 있어서, 상기 스트립 기체가 비활성 희석제를 추가로 포함하는 것을 특징으로 하는 집적 회로.
- 제 15 항에 있어서, 상기 비활성 희석제가 질소인 것을 특징으로 하는 집적 회로.
- 제 16 항에 있어서, 상기 활성 스트립 에이전트의 유량이 150 내지 3500 sccm 사이인 것을 특징으로 하는 집적 회로.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/782,678 | 2001-02-12 | ||
US09/782,678 US6777344B2 (en) | 2001-02-12 | 2001-02-12 | Post-etch photoresist strip with O2 and NH3 for organosilicate glass low-K dielectric etch applications |
PCT/US2002/003329 WO2002065513A2 (en) | 2001-02-12 | 2002-01-30 | Photoresist strip with 02 and nh3 for organosilicate glass applications |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020087023487A Division KR20080096852A (ko) | 2001-02-12 | 2002-01-30 | 오가노실리케이트 글래스 저유전율 에칭용 o₂및 nh₃함유 후기-에칭 포토레지스트 스트립 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040028717A true KR20040028717A (ko) | 2004-04-03 |
KR100880134B1 KR100880134B1 (ko) | 2009-01-23 |
Family
ID=25126834
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020087023487A KR20080096852A (ko) | 2001-02-12 | 2002-01-30 | 오가노실리케이트 글래스 저유전율 에칭용 o₂및 nh₃함유 후기-에칭 포토레지스트 스트립 |
KR1020037010533A KR100880134B1 (ko) | 2001-02-12 | 2002-01-30 | 오가노실리케이트 글래스 저유전율 에칭용 o₂및nh₃함유 후기-에칭 포토레지스트 스트립 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020087023487A KR20080096852A (ko) | 2001-02-12 | 2002-01-30 | 오가노실리케이트 글래스 저유전율 에칭용 o₂및 nh₃함유 후기-에칭 포토레지스트 스트립 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6777344B2 (ko) |
KR (2) | KR20080096852A (ko) |
CN (1) | CN100419972C (ko) |
AU (1) | AU2002250017A1 (ko) |
TW (1) | TW574603B (ko) |
WO (1) | WO2002065513A2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008147756A2 (en) * | 2007-05-24 | 2008-12-04 | Lam Research Corporation | In-situ photoresist strip during plasma etching of active hard mask |
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US20050059250A1 (en) * | 2001-06-21 | 2005-03-17 | Savas Stephen Edward | Fast etching system and process for organic materials |
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US7976673B2 (en) * | 2003-05-06 | 2011-07-12 | Lam Research Corporation | RF pulsing of a narrow gap capacitively coupled reactor |
US7202177B2 (en) | 2003-10-08 | 2007-04-10 | Lam Research Corporation | Nitrous oxide stripping process for organosilicate glass |
US6916697B2 (en) * | 2003-10-08 | 2005-07-12 | Lam Research Corporation | Etch back process using nitrous oxide |
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JP2008517466A (ja) * | 2004-10-14 | 2008-05-22 | セレリティ・インコーポレイテッド | ウェハ温度制御のための方法およびシステム |
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US7479457B2 (en) * | 2005-09-08 | 2009-01-20 | Lam Research Corporation | Gas mixture for removing photoresist and post etch residue from low-k dielectric material and method of use thereof |
US7807219B2 (en) * | 2006-06-27 | 2010-10-05 | Lam Research Corporation | Repairing and restoring strength of etch-damaged low-k dielectric materials |
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US7786011B2 (en) * | 2007-01-30 | 2010-08-31 | Lam Research Corporation | Composition and methods for forming metal films on semiconductor substrates using supercritical solvents |
US8617301B2 (en) * | 2007-01-30 | 2013-12-31 | Lam Research Corporation | Compositions and methods for forming and depositing metal films on semiconductor substrates using supercritical solvents |
US8435895B2 (en) | 2007-04-04 | 2013-05-07 | Novellus Systems, Inc. | Methods for stripping photoresist and/or cleaning metal regions |
WO2009039551A1 (en) * | 2007-09-26 | 2009-04-02 | Silverbrook Research Pty Ltd | Method of removing photoresist |
US20090078675A1 (en) * | 2007-09-26 | 2009-03-26 | Silverbrook Research Pty Ltd | Method of removing photoresist |
US7470616B1 (en) * | 2008-05-15 | 2008-12-30 | International Business Machines Corporation | Damascene wiring fabrication methods incorporating dielectric cap etch process with hard mask retention |
CN101504917B (zh) * | 2008-05-27 | 2011-08-31 | 深圳深爱半导体有限公司 | 防止vdmos管二次击穿的方法 |
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-
2001
- 2001-02-12 US US09/782,678 patent/US6777344B2/en not_active Expired - Lifetime
-
2002
- 2002-01-30 KR KR1020087023487A patent/KR20080096852A/ko not_active Application Discontinuation
- 2002-01-30 CN CNB028081587A patent/CN100419972C/zh not_active Expired - Lifetime
- 2002-01-30 KR KR1020037010533A patent/KR100880134B1/ko active IP Right Grant
- 2002-01-30 WO PCT/US2002/003329 patent/WO2002065513A2/en not_active Application Discontinuation
- 2002-01-30 AU AU2002250017A patent/AU2002250017A1/en not_active Abandoned
- 2002-02-06 TW TW91102083A patent/TW574603B/zh not_active IP Right Cessation
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WO2008147756A2 (en) * | 2007-05-24 | 2008-12-04 | Lam Research Corporation | In-situ photoresist strip during plasma etching of active hard mask |
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Also Published As
Publication number | Publication date |
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TW574603B (en) | 2004-02-01 |
WO2002065513B1 (en) | 2003-11-27 |
CN100419972C (zh) | 2008-09-17 |
WO2002065513A2 (en) | 2002-08-22 |
KR100880134B1 (ko) | 2009-01-23 |
US20020111041A1 (en) | 2002-08-15 |
WO2002065513A3 (en) | 2003-10-23 |
CN1633701A (zh) | 2005-06-29 |
KR20080096852A (ko) | 2008-11-03 |
AU2002250017A1 (en) | 2002-08-28 |
US6777344B2 (en) | 2004-08-17 |
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