KR101116588B1 - 플라즈마 프로세싱 시스템에서의 선택도 제어 - Google Patents
플라즈마 프로세싱 시스템에서의 선택도 제어 Download PDFInfo
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- KR101116588B1 KR101116588B1 KR1020067012761A KR20067012761A KR101116588B1 KR 101116588 B1 KR101116588 B1 KR 101116588B1 KR 1020067012761 A KR1020067012761 A KR 1020067012761A KR 20067012761 A KR20067012761 A KR 20067012761A KR 101116588 B1 KR101116588 B1 KR 101116588B1
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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
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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
- H01L21/31—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
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
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- 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
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76807—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures
- H01L21/76811—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures involving multiple stacked pre-patterned masks
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Abstract
Description
Claims (31)
- 상부 전극 및 하부 전극을 포함하는 플라즈마 프로세싱 시스템에서 기판을 선택적으로 에칭하는 방법으로서,상기 기판은 에칭에 대해 제 1 이온 에너지 임계값을 갖는 제 1 재료로 형성된 제 1 층 및 에칭에 대해 제 2 이온 에너지 임계값을 갖는 제 2 재료로 형성된 제 2 층을 포함하고, 상기 제 2 이온 에너지 임계값은 상기 제 1 이온 에너지 임계값보다 크고,상기 방법은,상기 하부 전극을 상기 기판에 커플링하는 단계;이온 에너지 분포를 생성하기 위해 바이어스 RF 신호를 상기 하부 전극에 제공하는 단계; 및상기 이온 에너지 분포의 평균 이온 에너지 값이 상기 제 1 이온 에너지 임계값과 상기 제 2 이온 에너지 임계값 사이에 있도록, 그리고상기 제 1 이온 에너지 임계값과 상기 이온 에너지 분포의 상기 평균 이온 에너지 값 사이의 제 1 차이가 상기 제 2 이온 에너지 임계값과 상기 이온 에너지 분포의 상기 평균 이온 에너지 값 사이의 제 2 차이보다 크도록, 상기 바이어스 RF 신호의 바이어스 주파수를 구성하는 단계를 포함하는, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 이온 에너지 분포의 폭을 감소시키기 위해 상기 바이어스 주파수를 증가시키는 단계를 더 포함하는, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 이온 에너지 분포의 상기 평균 이온 에너지 값을 시프트시키기 위해 상기 바이어스 RF 신호의 바이어스 RF 전력을 조정하는 단계를 더 포함하는, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 이온 에너지 분포의 상기 평균 이온 에너지 값이 상기 제 1 이온 에너지 임계값과 상기 제2 이온 에너지 임계값 사이에 유지되는 동안에, 상기 제 1 층의 에칭 레이트를 증가시키기 위해 상기 바이어스 RF 신호의 바이어스 RF 전력을 증가시키는 단계를 더 포함하는, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 바이어스 주파수는 45 MHz 내지 75 MHz 사이인, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 바이어스 주파수는 30 MHz 내지 80 MHz 사이인, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 바이어스 주파수는 100 MHz 보다 작은, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 바이어스 주파수는 2 MHz 보다 큰, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 바이어스 주파수는 60 MHz 인, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 바이어스 RF 신호의 바이어스 RF 전력은 300 W 인, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,폴리머 증착을 위해 제 2 RF 신호를 인가하는 단계를 더 포함하고,상기 제 2 RF 신호는 상기 바이어스 RF 신호의 상기 바이어스 주파수와는 다른 제 2 주파수를 갖는, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 제 1 재료는 장벽 재료를 나타내고, 상기 제 2 재료는 유전체 재료를 나타내는, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 제 1 재료는 유전체 재료를 나타내는, 기판을 선택적으로 에칭하는 방법.
- 제 1 항에 있어서,상기 바이어스 주파수를 선택하기 위해 다양한 레시피 (recipe) 로 제어된 환경에서 다중의 경험적인 테스트 에칭을 수행하는 단계를 더 포함하는, 기판을 선택적으로 에칭하는 방법.
- 제 14 항에 있어서,상기 다양한 레시피는 적어도 상기 바이어스 RF 신호에 대한 다양한 바이어스 RF 전력 설정을 포함하는, 기판을 선택적으로 에칭하는 방법.
- 제 14 항에 있어서,상기 경험적인 테스트 에칭을 통해 적어도 상기 바이어스 RF 신호에 대한 바이어스 RF 전력을 선택하는 단계를 더 포함하는, 기판을 선택적으로 에칭하는 방법.
- 제 14 항에 있어서,상기 경험적인 테스트 에칭을 통해 적어도, 상기 기판을 에칭하기 위한, 가스 유량을 선택하는 단계를 더 포함하는, 기판을 선택적으로 에칭하는 방법.
- 제 14 항에 있어서,상기 경험적인 테스트 에칭을 통해 적어도, 상기 기판을 에칭하기 위한, 에천트 조성을 선택하는 단계를 더 포함하는, 기판을 선택적으로 에칭하는 방법.
- 제 14 항에 있어서,상기 경험적인 테스트 에칭을 통해 적어도, 상기 기판을 에칭하기 위한, 챔버 압력을 선택하는 단계를 더 포함하는, 기판을 선택적으로 에칭하는 방법.
- 제 14 항에 있어서,상기 경험적인 테스트 에칭을 통해 적어도, 상기 기판을 에칭하기 위한, 헬륨 냉각 압력을 선택하는 단계를 더 포함하는, 기판을 선택적으로 에칭하는 방법.
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Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/745,846 US7521362B2 (en) | 2003-12-23 | 2003-12-23 | Methods for the optimization of ion energy control in a plasma processing system |
US10/745,846 | 2003-12-23 | ||
US10/881,410 US7517801B1 (en) | 2003-12-23 | 2004-06-29 | Method for selectivity control in a plasma processing system |
US10/881,410 | 2004-06-29 | ||
PCT/US2004/043115 WO2005062885A2 (en) | 2003-12-23 | 2004-12-21 | Selectivity control in a plasma processing system |
Publications (2)
Publication Number | Publication Date |
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KR20060115905A KR20060115905A (ko) | 2006-11-10 |
KR101116588B1 true KR101116588B1 (ko) | 2012-03-15 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020067012761A KR101116588B1 (ko) | 2003-12-23 | 2004-12-21 | 플라즈마 프로세싱 시스템에서의 선택도 제어 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7517801B1 (ko) |
EP (1) | EP1697970A4 (ko) |
JP (1) | JP5161461B2 (ko) |
KR (1) | KR101116588B1 (ko) |
CN (1) | CN102136420B (ko) |
IL (1) | IL176466A (ko) |
TW (1) | TWI360175B (ko) |
WO (1) | WO2005062885A2 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6764940B1 (en) * | 2001-03-13 | 2004-07-20 | Novellus Systems, Inc. | Method for depositing a diffusion barrier for copper interconnect applications |
US8298933B2 (en) | 2003-04-11 | 2012-10-30 | Novellus Systems, Inc. | Conformal films on semiconductor substrates |
US8222155B2 (en) * | 2004-06-29 | 2012-07-17 | Lam Research Corporation | Selectivity control in a plasma processing system |
JP4714166B2 (ja) * | 2006-08-31 | 2011-06-29 | 株式会社東芝 | 基板のプラズマ処理装置及びプラズマ処理方法 |
JP5014166B2 (ja) * | 2007-02-13 | 2012-08-29 | 株式会社日立ハイテクノロジーズ | プラズマ処理方法およびプラズマ処理装置 |
KR100978886B1 (ko) | 2007-02-13 | 2010-08-31 | 가부시키가이샤 히다치 하이테크놀로지즈 | 플라즈마처리방법 및 플라즈마처리장치 |
JP6045646B2 (ja) * | 2010-08-23 | 2016-12-14 | 東京エレクトロン株式会社 | プラズマエッチング方法 |
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JP2003124189A (ja) * | 2001-10-10 | 2003-04-25 | Fujitsu Ltd | 半導体装置の製造方法 |
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CN102136420A (zh) | 2011-07-27 |
WO2005062885A2 (en) | 2005-07-14 |
IL176466A (en) | 2010-05-31 |
KR20060115905A (ko) | 2006-11-10 |
TW200524039A (en) | 2005-07-16 |
EP1697970A2 (en) | 2006-09-06 |
IL176466A0 (en) | 2007-07-04 |
US7517801B1 (en) | 2009-04-14 |
CN102136420B (zh) | 2013-03-20 |
EP1697970A4 (en) | 2008-08-06 |
TWI360175B (en) | 2012-03-11 |
JP5161461B2 (ja) | 2013-03-13 |
JP2007516622A (ja) | 2007-06-21 |
WO2005062885A3 (en) | 2006-09-28 |
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