KR20120107514A - 에칭 방법, 에칭 장치 및 링 부재 - Google Patents
에칭 방법, 에칭 장치 및 링 부재 Download PDFInfo
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- KR20120107514A KR20120107514A KR1020127021262A KR20127021262A KR20120107514A KR 20120107514 A KR20120107514 A KR 20120107514A KR 1020127021262 A KR1020127021262 A KR 1020127021262A KR 20127021262 A KR20127021262 A KR 20127021262A KR 20120107514 A KR20120107514 A KR 20120107514A
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- 238000005530 etching Methods 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000012545 processing Methods 0.000 claims abstract description 97
- 239000000758 substrate Substances 0.000 claims abstract description 60
- 230000008569 process Effects 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
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- 238000001312 dry etching Methods 0.000 claims description 9
- 230000008021 deposition Effects 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 6
- 238000009826 distribution Methods 0.000 abstract description 14
- 230000002093 peripheral effect Effects 0.000 abstract description 5
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- 235000012431 wafers Nutrition 0.000 description 115
- 238000001020 plasma etching Methods 0.000 description 36
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- 238000012546 transfer Methods 0.000 description 12
- 229910052581 Si3N4 Inorganic materials 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
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- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
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- 229910052782 aluminium Inorganic materials 0.000 description 3
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 230000009471 action Effects 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
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- NLXLPOBMBOZAIG-UHFFFAOYSA-N copper(1+);ethenyl(trimethyl)silane Chemical compound [Cu+].C[Si](C)(C)C=C NLXLPOBMBOZAIG-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- -1 for example Substances 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
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- JUINSXZKUKVTMD-UHFFFAOYSA-N hydrogen azide Chemical compound N=[N+]=[N-] JUINSXZKUKVTMD-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4404—Coatings or surface treatment on the inside of the reaction chamber or on parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/14—Surface shaping of articles, e.g. embossing; Apparatus therefor by plasma treatment
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- 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
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- H01J37/32—Gas-filled discharge tubes
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- H01L21/3105—After-treatment
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- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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- 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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Abstract
Description
도 2는 상기 플라즈마 에칭 장치로 에칭되는 웨이퍼 표면의 종단 측면도이다.
도 3은 상기 플라즈마 에칭 장치에서의 처리 순서를 나타내는 공정도이다.
도 4는 상기 플라즈마 에칭 장치에서의 처리 순서를 나타내는 공정도이다.
도 5는 웨이퍼(W) 및 포커스 링이 에칭되는 형태를 나타내는 설명도이다.
도 6은 본 발명에 따른 반도체 제조 장치의 평면도이다.
도 7은 상기 반도체 제조 장치에 마련되는 탑재대의 종단 측면도이다.
도 8은 상기 탑재대와 반송 수단의 사이에서 웨이퍼가 반입 반출되는 형태를 나타내는 설명도이다.
도 9는 상기 반도체 제조 장치에 마련되는 포커스 링 대기 모듈의 종단 측면도이다.
도 10은 포커스 링의 다른 구성 예를 나타내는 종단 측면도이다.
도 11은 시뮬레이션의 결과를 나타내는 설명도이다.
도 12는 시뮬레이션의 결과를 나타내는 설명도이다.
도 13은 시뮬레이션의 결과를 나타내는 설명도이다.
도 14는 시뮬레이션의 결과를 나타내는 설명도이다.
Claims (6)
- 기판 상의 피에칭막을 드라이 에칭하는 방법에 있어서,
처리 용기 내에 기판을 반입해서 탑재대에 탑재하는 공정과,
적어도 표면부의 주성분이 피에칭막의 주성분과 동일한 재질인 링 부재가 기판을 둘러싸도록 배치된 상태에서, 기판에 대향하는 가스 공급부로부터 처리 가스를 샤워 형상으로 토출하고, 상기 처리 가스를 플라즈마화해서 피에칭막을 에칭하는 공정과,
상기 처리 용기 내를 배기로를 통해서 진공 배기하는 공정
을 포함하되,
상기 피에칭막은 실리콘 막 및 실리콘 산화막 이외의 막인 것
을 특징으로 하는 에칭 방법.
- 기판 상의 피에칭막을 드라이 에칭하는 방법에 있어서,
처리 용기 내의 탑재대에 탑재되는 기판을 둘러싸도록 마련되는 링 부재에 대하여 성막 가스를 공급하여, 해당 링 부재의 표면에, 앞으로 상기 처리 용기 내에서 에칭이 실행될 기판 상의 피에칭막의 주성분과 그 주성분이 동일한 재질의 막을 성막하는 공정과,
이어서 상기 처리 용기 내에 기판을 반입해서 상기 탑재대에 탑재하는 공정과,
그 후, 상기 링 부재가 기판을 둘러싸도록 배치된 상태에서, 기판에 대향하는 가스 공급부로부터 처리 가스를 샤워 형상으로 토출하고, 상기 처리 가스를 플라즈마화해서 피에칭막을 에칭하는 공정과,
상기 처리 용기 내를 배기로를 통해서 진공 배기하는 공정
을 포함하는 것을 특징으로 하는 에칭 방법.
- 제 2 항에 있어서,
상기 링 부재의 표면에 성막하는 공정은, 에칭을 실행하는 상기 처리 용기 내에서 실행되는 것을 특징으로 하는 에칭 방법.
- 기판 상의 피에칭막을 드라이 에칭하는 방법에 있어서,
처리 용기 내의 탑재대에 탑재되는 기판을 둘러싸도록 마련된 링 부재를, 적어도 표면부가, 앞으로 상기 처리 용기 내에서 에칭이 실행될 기판 상의 피에칭막의 주성분과 그 주성분이 동일한 재질인 링 부재와 교환하는 공정과,
이어서 상기 처리 용기 내에 기판을 반입해서 상기 탑재대에 탑재하는 공정과,
그 후, 상기 교환된 링 부재가 기판을 둘러싸도록 배치된 상태에서, 기판에 대향하는 가스 공급부로부터 처리 가스를 샤워 형상으로 토출하고, 상기 처리 가스를 플라즈마화해서 피에칭막을 에칭하는 공정과,
상기 처리 용기 내를 배기로를 통해서 진공 배기하는 공정
을 포함하는 것을 특징으로 하는 에칭 방법.
- 기판 상의 피에칭막을 진공 분위기에서 드라이 에칭하는 장치에 있어서,
기판을 탑재하기 위한 탑재대가 그 내부에 마련된 처리 용기와,
상기 탑재대에 대향하고, 처리 가스를 샤워 형상으로 토출하는 가스 공급부와,
상기 처리 가스를 플라즈마화하기 위한 수단과,
상기 탑재대 상의 기판을 둘러싸도록 마련된 링 부재와,
상기 가스 공급부에 에칭용의 가스를 공급하는 에칭 가스 공급원과,
상기 링 부재의 표면에 기판 상의 피에칭막의 주성분과 그 주성분이 동일한 재질의 막을 성막하기 위한 가스를 가스 공급부에 공급하는 성막 가스 공급원과,
기판을 상기 처리 용기 내에 반입하기 전에, 성막 가스 공급원으로부터 가스 공급부를 통해서 상기 처리 용기 내에 성막 가스를 공급해서 상기 링 부재의 표면을 성막하도록 제어 신호를 출력하는 제어부
를 구비한 것을 특징으로 하는 에칭 장치.
- 기판을 둘러싸도록 배치하는 링 부재에 있어서,
청구항 1에 기재된 에칭 방법에 이용되는 것을 특징으로 하는 링 부재.
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PCT/JP2011/050960 WO2011090109A1 (ja) | 2010-01-22 | 2011-01-20 | エッチング方法、エッチング装置及びリング部材 |
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KR20190111999A (ko) * | 2017-01-27 | 2019-10-02 | 아익스트론 에스이 | 운반 링 |
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KR20190111999A (ko) * | 2017-01-27 | 2019-10-02 | 아익스트론 에스이 | 운반 링 |
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JP2011151263A (ja) | 2011-08-04 |
US20130186858A1 (en) | 2013-07-25 |
CN102741986A (zh) | 2012-10-17 |
US9441292B2 (en) | 2016-09-13 |
US20150206763A1 (en) | 2015-07-23 |
WO2011090109A1 (ja) | 2011-07-28 |
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