KR100910681B1 - 에칭 방법 및 에칭 장치 - Google Patents
에칭 방법 및 에칭 장치 Download PDFInfo
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- KR100910681B1 KR100910681B1 KR1020077014786A KR20077014786A KR100910681B1 KR 100910681 B1 KR100910681 B1 KR 100910681B1 KR 1020077014786 A KR1020077014786 A KR 1020077014786A KR 20077014786 A KR20077014786 A KR 20077014786A KR 100910681 B1 KR100910681 B1 KR 100910681B1
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- gas
- etching
- flow rate
- plasma
- base layer
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- 238000005530 etching Methods 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims abstract description 56
- 239000007789 gas Substances 0.000 claims abstract description 204
- 238000012545 processing Methods 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 31
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 28
- 239000010937 tungsten Substances 0.000 claims abstract description 27
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 8
- 229920005591 polysilicon Polymers 0.000 claims description 8
- -1 tungsten nitride Chemical class 0.000 claims description 8
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 3
- 229910001882 dioxygen Inorganic materials 0.000 claims 3
- 239000000460 chlorine Substances 0.000 abstract description 43
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 19
- 229910052801 chlorine Inorganic materials 0.000 abstract description 19
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 12
- 239000001301 oxygen Substances 0.000 abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 abstract description 12
- 239000010410 layer Substances 0.000 description 71
- 235000012431 wafers Nutrition 0.000 description 22
- 239000010408 film Substances 0.000 description 19
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- 239000004065 semiconductor Substances 0.000 description 14
- 239000007795 chemical reaction product Substances 0.000 description 8
- 239000004020 conductor Substances 0.000 description 6
- 238000000635 electron micrograph Methods 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000003779 heat-resistant material Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000006829 Ficus sundaica Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F4/00—Processes for removing metallic material from surfaces, not provided for in group C23F1/00 or C23F3/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32192—Microwave generated discharge
-
- 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
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
- ing And Chemical Polishing (AREA)
Abstract
Description
Claims (13)
- 실리콘 함유 재료로 이루어진 베이스층 상에 텅스텐, 질화텅스텐 또는 이들의 조합으로 이루어진 에칭 대상층이 형성된 피처리체에 대해, 진공 흡인 가능하게 되어 있는 처리 용기 내에서 플라즈마의 존재하에 에칭 처리를 실시하도록 한 에칭 방법에 있어서,상기 에칭시의 가스로서, 염소 가스와 산소 가스와 질소 가스만이 사용되고,상기 염소 가스 및 상기 질소 가스의 합계 유량에 대한 상기 산소 가스의 첨가량은 2.9 내지 8.6%의 범위 내이며,상기 염소 가스 및 상기 질소 가스의 합계 유량에 대한 상기 질소 가스의 유량비는 50 내지 80%의 범위 내인 것을 특징으로 하는 에칭 방법.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 플라즈마는 마이크로파에 의해서 발생되는 것을 특징으로 하는 에칭 방법.
- 제 1 항에 있어서,상기 에칭 처리는 RLSA(Radial Line Slot Antenna) 방식의 평면 안테나 부재를 갖는 처리 용기 내에서 행해지는 것을 특징으로 하는 에칭 방법.
- 제 1 항에 있어서,상기 베이스층은 폴리실리콘층으로 이루어지고,상기 에칭 대상층은 질화텅스텐막과 텅스텐막의 적층 구조를 갖는 것을 특징으로 하는 에칭 방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,상기 염소 가스 및 상기 질소 가스의 합계 유량에 대한 상기 산소 가스의 첨가량은 4.3 내지 5.7%의 범위 내이며,상기 염소 가스 및 상기 질소 가스의 합계 유량에 대한 상기 질소 가스의 유량비는 70 내지 80%의 범위 내인 것을 특징으로 하는 에칭 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004344608A JP4701691B2 (ja) | 2004-11-29 | 2004-11-29 | エッチング方法 |
JPJP-P-2004-00344608 | 2004-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070086761A KR20070086761A (ko) | 2007-08-27 |
KR100910681B1 true KR100910681B1 (ko) | 2009-08-04 |
Family
ID=36497939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020077014786A KR100910681B1 (ko) | 2004-11-29 | 2005-11-18 | 에칭 방법 및 에칭 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7842617B2 (ko) |
JP (1) | JP4701691B2 (ko) |
KR (1) | KR100910681B1 (ko) |
CN (1) | CN100580887C (ko) |
TW (1) | TWI385721B (ko) |
WO (1) | WO2006057202A1 (ko) |
Families Citing this family (46)
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TW477009B (en) * | 1999-05-26 | 2002-02-21 | Tadahiro Ohmi | Plasma process device |
KR101418438B1 (ko) * | 2007-07-10 | 2014-07-14 | 삼성전자주식회사 | 플라즈마 발생장치 |
WO2009084194A1 (en) * | 2007-12-28 | 2009-07-09 | Tokyo Electron Limited | Etching method for metal film and metal oxide film, and manufacturing method for semiconductor device |
JP2010118549A (ja) | 2008-11-13 | 2010-05-27 | Tokyo Electron Ltd | プラズマエッチング方法及びプラズマエッチング装置 |
US20110065276A1 (en) * | 2009-09-11 | 2011-03-17 | Applied Materials, Inc. | Apparatus and Methods for Cyclical Oxidation and Etching |
US20110061812A1 (en) * | 2009-09-11 | 2011-03-17 | Applied Materials, Inc. | Apparatus and Methods for Cyclical Oxidation and Etching |
US20110061810A1 (en) * | 2009-09-11 | 2011-03-17 | Applied Materials, Inc. | Apparatus and Methods for Cyclical Oxidation and Etching |
JP2011174540A (ja) * | 2010-02-24 | 2011-09-08 | Tokyo Electron Ltd | 真空排気用のボールバルブ及び真空排気装置 |
US8637411B2 (en) | 2010-04-15 | 2014-01-28 | Novellus Systems, Inc. | Plasma activated conformal dielectric film deposition |
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US9611544B2 (en) | 2010-04-15 | 2017-04-04 | Novellus Systems, Inc. | Plasma activated conformal dielectric film deposition |
CN103003924B (zh) * | 2010-06-28 | 2015-07-08 | 东京毅力科创株式会社 | 等离子体处理装置及方法 |
US8969210B2 (en) | 2010-09-15 | 2015-03-03 | Tokyo Electron Limited | Plasma etching apparatus, plasma etching method, and semiconductor device manufacturing method |
US9685320B2 (en) | 2010-09-23 | 2017-06-20 | Lam Research Corporation | Methods for depositing silicon oxide |
JP5413342B2 (ja) * | 2010-09-27 | 2014-02-12 | 株式会社Sumco | シリコンウェーハ表層部のエッチング方法およびシリコンウェーハの金属汚染分析方法 |
JP5916044B2 (ja) * | 2010-09-28 | 2016-05-11 | 東京エレクトロン株式会社 | プラズマ処理装置及びプラズマ処理方法 |
US8562785B2 (en) * | 2011-05-31 | 2013-10-22 | Lam Research Corporation | Gas distribution showerhead for inductively coupled plasma etch reactor |
US9245717B2 (en) | 2011-05-31 | 2016-01-26 | Lam Research Corporation | Gas distribution system for ceramic showerhead of plasma etch reactor |
JP5377587B2 (ja) * | 2011-07-06 | 2013-12-25 | 東京エレクトロン株式会社 | アンテナ、プラズマ処理装置及びプラズマ処理方法 |
US8808562B2 (en) * | 2011-09-12 | 2014-08-19 | Tokyo Electron Limited | Dry metal etching method |
US8592328B2 (en) | 2012-01-20 | 2013-11-26 | Novellus Systems, Inc. | Method for depositing a chlorine-free conformal sin film |
SG2013083654A (en) | 2012-11-08 | 2014-06-27 | Novellus Systems Inc | Methods for depositing films on sensitive substrates |
WO2014208050A1 (ja) * | 2013-06-27 | 2014-12-31 | 日本電気株式会社 | スイッチング素子とその製造方法および半導体装置とその製造方法 |
US9589790B2 (en) | 2014-11-24 | 2017-03-07 | Lam Research Corporation | Method of depositing ammonia free and chlorine free conformal silicon nitride film |
US9564312B2 (en) | 2014-11-24 | 2017-02-07 | Lam Research Corporation | Selective inhibition in atomic layer deposition of silicon-containing films |
US9633867B2 (en) * | 2015-01-05 | 2017-04-25 | Lam Research Corporation | Method and apparatus for anisotropic tungsten etching |
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2004
- 2004-11-29 JP JP2004344608A patent/JP4701691B2/ja not_active Expired - Fee Related
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2005
- 2005-11-18 US US11/791,718 patent/US7842617B2/en not_active Expired - Fee Related
- 2005-11-18 KR KR1020077014786A patent/KR100910681B1/ko active IP Right Grant
- 2005-11-18 CN CN200580040949A patent/CN100580887C/zh not_active Expired - Fee Related
- 2005-11-18 WO PCT/JP2005/021256 patent/WO2006057202A1/ja active Application Filing
- 2005-11-29 TW TW094141915A patent/TWI385721B/zh not_active IP Right Cessation
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JPH10116824A (ja) | 1996-06-17 | 1998-05-06 | Applied Materials Inc | 高いポリシリコン選択性を有するメタルシリサイドエッチング方法 |
KR20000071381A (ko) * | 1999-02-25 | 2000-11-25 | 이데이 노부유끼 | 드라이 에칭 방법 및 반도체 장치의 제조 방법 |
KR20030004429A (ko) * | 2001-03-28 | 2003-01-14 | 동경 엘렉트론 주식회사 | 플라즈마 처리 장치, 플라즈마 처리 방법 및 지파판 |
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TW200636851A (en) | 2006-10-16 |
US20080138996A1 (en) | 2008-06-12 |
TWI385721B (zh) | 2013-02-11 |
CN101069272A (zh) | 2007-11-07 |
JP2006156675A (ja) | 2006-06-15 |
US7842617B2 (en) | 2010-11-30 |
JP4701691B2 (ja) | 2011-06-15 |
KR20070086761A (ko) | 2007-08-27 |
WO2006057202A1 (ja) | 2006-06-01 |
CN100580887C (zh) | 2010-01-13 |
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