KR20050075317A - 절연막의 에칭방법 - Google Patents
절연막의 에칭방법 Download PDFInfo
- Publication number
- KR20050075317A KR20050075317A KR1020050054344A KR20050054344A KR20050075317A KR 20050075317 A KR20050075317 A KR 20050075317A KR 1020050054344 A KR1020050054344 A KR 1020050054344A KR 20050054344 A KR20050054344 A KR 20050054344A KR 20050075317 A KR20050075317 A KR 20050075317A
- Authority
- KR
- South Korea
- Prior art keywords
- etching
- end point
- time series
- series data
- plasma
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
-
- 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
- H01L21/70—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
- H01L21/76805—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 the opening being a via or contact hole penetrating the underlying conductor
-
- 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
- H01L21/70—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
-
- 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
- H01L21/70—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
- H01L21/76808—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 intermediate temporary filling with material
-
- 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
- H01L21/70—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
- H01L21/7681—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 one or more buried masks
-
- 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
- H01L21/70—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
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
- H01L22/26—Acting in response to an ongoing measurement without interruption of processing, e.g. endpoint detection, in-situ thickness measurement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Drying Of Semiconductors (AREA)
- ing And Chemical Polishing (AREA)
Abstract
Description
Claims (5)
- 서로간의 경계에 계면을 가진 저유전율 재료에 의한 제 1 및 제 2 절연막을 포함하여 저유전율을 가지는 층구조에 배선을 형성하기 위하여 플라즈마를 사용하여 상기 층구조를 에칭하기 위한 에칭방법에 있어서,상기 층구조는 상기 제 1 절연막과 제 2 절연막과의 층구조의 경계가 상기 제 1, 제 2 절연막의 내부의 상태와는 다른 계면으로 구성되어 있고,상기 제 1 절연막의 에칭을 개시하고 나서 상기 플라즈마의 광을 검출하여 상기 경계부를 구성하는 계면이 에칭된 것을 검지하고, 이 검지한 결과에 의거하여 상기 층구조의 에칭을 조절하는 것을 특징으로 하는 절연막의 에칭방법.
- 제 1항에 있어서,상기 검지한 결과에 의거하여 상기 제 1 절연막의 에칭을 정지하는 것을 특징으로 하는 절연막의 에칭방법.
- 제 1항에 있어서,상기 에칭을 개시한 시점으로부터 절연막의 에칭이 진행하여 상기 선정된 층구조의 종단에 대응하는 경계에 도달하기까지의 시간을 측정하고, 상기 측정 데이터와 미리 측정하여 둔 절연막의 막두께로부터 에칭속도를 구하고, 상기 에칭속도를 사용하여 게이트 사이의 절연막의 에칭을 행하는 것을 특징으로 하는 절연막의 에칭방법.
- 제 1항에 있어서,상기 플라즈마의 발광으로부터 얻은 입력신호파형을 제 1 디지털 필터에 의하여 노이즈를 저감하는 단계와, 미분처리에 의하여 신호파형의 미계수(1차 및 2차)를 구하는 단계와, 앞의 단계에서 구한 시계열 미계수 파형의 노이즈성분을 제 2 디지털 필터에 의하여 저감하여 평활화 미계수치를 구하는 단계와, 상기 평활화 미계수치와 미리 설정된 값을 판별수단에 의하여 비교하여 상기 경계부가 에칭된 것을 검지하는 단계를 포함하는 것을 특징으로 하는 절연막의 에칭방법.
- 제 1항에 있어서,상기 플라즈마의 발광으로부터 얻은 입력신호를 AD변환수단에 의하여 특정파장의 발광강도의 시계열 데이터를 얻는 단계와, 제 1 디지털 필터링수단에 의하여 상기 시계열 데이터를 평활화처리하여 평활화 시계열 데이터를 구하는 단계와, 상기 평활화 시계열 데이터를 미분연산수단에 의하여 미분하여 미계수의 시계열 데이터를 구하는 단계와, 상기 미계수의 시계열 데이터를 제 2 디지털 필터링수단에 의하여 평활화처리하여 평활화 미계수치를 구하는 단계와, 상기 평활화 미계수치와 미리 설정된 값을 판별수단에 의하여 비교하여 상기 경계부가 에칭된 것을 검지하는 단계를 포함하는 것을 특징으로 하는 절연막의 에칭방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-1998-00341369 | 1998-12-01 | ||
JP34136998 | 1998-12-01 | ||
JPJP-P-1999-00107271 | 1999-04-14 | ||
JP10727199A JP3383236B2 (ja) | 1998-12-01 | 1999-04-14 | エッチング終点判定方法及びエッチング終点判定装置 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990053755A Division KR100545033B1 (ko) | 1998-12-01 | 1999-11-30 | 에칭종점판정방법 및 에칭종점판정장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050075317A true KR20050075317A (ko) | 2005-07-20 |
KR100587576B1 KR100587576B1 (ko) | 2006-06-08 |
Family
ID=26447317
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990053755A KR100545033B1 (ko) | 1998-12-01 | 1999-11-30 | 에칭종점판정방법 및 에칭종점판정장치 |
KR1020050054344A KR100587576B1 (ko) | 1998-12-01 | 2005-06-23 | 절연막의 에칭방법 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990053755A KR100545033B1 (ko) | 1998-12-01 | 1999-11-30 | 에칭종점판정방법 및 에칭종점판정장치 |
Country Status (3)
Country | Link |
---|---|
US (2) | US6596551B1 (ko) |
JP (1) | JP3383236B2 (ko) |
KR (2) | KR100545033B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101106117B1 (ko) * | 2010-07-30 | 2012-01-20 | (주)쎄미시스코 | 공정 부산물 모니터 수단 및 그를 포함하는 반도체 제조 장치 |
Families Citing this family (24)
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US6716300B2 (en) | 2001-11-29 | 2004-04-06 | Hitachi, Ltd. | Emission spectroscopic processing apparatus |
US6908846B2 (en) | 2002-10-24 | 2005-06-21 | Lam Research Corporation | Method and apparatus for detecting endpoint during plasma etching of thin films |
TWI240326B (en) * | 2002-10-31 | 2005-09-21 | Tokyo Electron Ltd | Method and apparatus for determining an etch property using an endpoint signal |
TWI246725B (en) * | 2002-10-31 | 2006-01-01 | Tokyo Electron Ltd | Method and apparatus for detecting endpoint |
US6972848B2 (en) | 2003-03-04 | 2005-12-06 | Hitach High-Technologies Corporation | Semiconductor fabricating apparatus with function of determining etching processing state |
CN100401491C (zh) * | 2003-05-09 | 2008-07-09 | 优利讯美国有限公司 | 时分复用处理中的包络跟随器终点检测 |
US20060006139A1 (en) * | 2003-05-09 | 2006-01-12 | David Johnson | Selection of wavelengths for end point in a time division multiplexed process |
JP2005159322A (ja) * | 2003-10-31 | 2005-06-16 | Nikon Corp | 定盤、ステージ装置及び露光装置並びに露光方法 |
US7595548B2 (en) | 2004-10-08 | 2009-09-29 | Yamaha Corporation | Physical quantity sensor and manufacturing method therefor |
DE112004003008T5 (de) * | 2004-10-29 | 2007-10-25 | Spansion Llc, Sunnyvale | Halbleiterbauelement und Verfahren zur Herstellung desselben |
US7871830B2 (en) * | 2005-01-19 | 2011-01-18 | Pivotal Systems Corporation | End point detection method for plasma etching of semiconductor wafers with low exposed area |
JP4833687B2 (ja) * | 2006-02-27 | 2011-12-07 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置 |
KR100868083B1 (ko) | 2006-05-19 | 2008-11-14 | 세종대학교산학협력단 | 웨이브릿을 이용한 플라즈마장비의 센서정보 감시방법 |
JP2009231718A (ja) * | 2008-03-25 | 2009-10-08 | Renesas Technology Corp | ドライエッチング終点検出方法 |
CN103869630B (zh) * | 2012-12-14 | 2015-09-23 | 北大方正集团有限公司 | 一种预对位调试方法 |
JP6239294B2 (ja) | 2013-07-18 | 2017-11-29 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置及びプラズマ処理装置の運転方法 |
JP6318007B2 (ja) | 2013-11-29 | 2018-04-25 | 株式会社日立ハイテクノロジーズ | データ処理方法、データ処理装置および処理装置 |
JP6553398B2 (ja) | 2015-05-12 | 2019-07-31 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置、データ処理装置およびデータ処理方法 |
US10427272B2 (en) | 2016-09-21 | 2019-10-01 | Applied Materials, Inc. | Endpoint detection with compensation for filtering |
KR102286360B1 (ko) * | 2019-02-08 | 2021-08-05 | 주식회사 히타치하이테크 | 에칭 처리 장치, 에칭 처리 방법 및 검출기 |
JP7094377B2 (ja) | 2019-12-23 | 2022-07-01 | 株式会社日立ハイテク | プラズマ処理方法およびプラズマ処理に用いる波長選択方法 |
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1999
- 1999-04-14 JP JP10727199A patent/JP3383236B2/ja not_active Expired - Lifetime
- 1999-11-30 KR KR1019990053755A patent/KR100545033B1/ko active IP Right Grant
- 1999-12-01 US US09/452,174 patent/US6596551B1/en not_active Expired - Lifetime
-
2002
- 2002-09-13 US US10/242,425 patent/US20030036282A1/en not_active Abandoned
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- 2005-06-23 KR KR1020050054344A patent/KR100587576B1/ko active IP Right Grant
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Publication number | Priority date | Publication date | Assignee | Title |
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KR101106117B1 (ko) * | 2010-07-30 | 2012-01-20 | (주)쎄미시스코 | 공정 부산물 모니터 수단 및 그를 포함하는 반도체 제조 장치 |
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Publication number | Publication date |
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JP2000228397A (ja) | 2000-08-15 |
KR100587576B1 (ko) | 2006-06-08 |
KR100545033B1 (ko) | 2006-01-24 |
JP3383236B2 (ja) | 2003-03-04 |
KR20000047790A (ko) | 2000-07-25 |
US6596551B1 (en) | 2003-07-22 |
US20030036282A1 (en) | 2003-02-20 |
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