KR20080054430A - 에칭 방법 및 에칭 장치 - Google Patents
에칭 방법 및 에칭 장치 Download PDFInfo
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- KR20080054430A KR20080054430A KR1020087010398A KR20087010398A KR20080054430A KR 20080054430 A KR20080054430 A KR 20080054430A KR 1020087010398 A KR1020087010398 A KR 1020087010398A KR 20087010398 A KR20087010398 A KR 20087010398A KR 20080054430 A KR20080054430 A KR 20080054430A
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- etching
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- resistant film
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- 238000000034 method Methods 0.000 title claims abstract description 105
- 238000012545 processing Methods 0.000 claims description 64
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000005268 plasma chemical vapour deposition Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 3
- 238000004590 computer program Methods 0.000 claims description 2
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- 235000012431 wafers Nutrition 0.000 description 19
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- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000004380 ashing Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
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- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
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- 239000003779 heat-resistant material Substances 0.000 description 2
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- PQDJYEQOELDLCP-UHFFFAOYSA-N trimethylsilane Chemical compound C[SiH](C)C PQDJYEQOELDLCP-UHFFFAOYSA-N 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
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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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0337—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
-
- 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
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (9)
- 피처리체의 표면에 형성되어 있는 피가공층을 에칭하는 에칭 방법에 있어서,상기 피처리체의 표면에 레지스트층을 균일하게 형성하는 레지스트 형성 공정과,상기 레지스트층에 소정의 에칭용 오목부를 형성함으로써, 패턴화된 에칭 마스크를 형성하는 마스크 형성 공정과,상기 에칭용 오목부의 저부 및 측면을 포함하여, 상기 에칭 마스크의 표면 전체에 플라즈마 내성막을 형성하는 플라즈마 내성막 형성 공정과,상기 에칭용 오목부의 저부에 형성된 상기 플라즈마 내성막을 제거하는 저부 플라즈마 내성막 제거 공정과,상기 저부 플라즈마 내성막 제거 공정 후에, 상기 에칭 마스크를 마스크로 하여 상기 피가공층을 에칭하는 본 에칭 공정을 구비한 것을 특징으로 하는 에칭 방법.
- 제 1 항에 있어서,상기 에칭용 오목부의 저부에 형성된 상기 플라즈마 내성막의 두께는, 상기 에칭 마스크의 상면에 형성된 상기 플라즈마 내성막의 두께보다도 얇게 이루어져 있는 것을 특징으로 하는 에칭 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 플라즈마 내성막은, 상기 에칭 마스크의 내열 온도보다 낮은 온도에서 플라즈마 CVD 처리에 의하여 형성되는 것을 특징으로 하는 에칭 방법.
- 제 1 항 내지 제 3 항의 어느 한 항에 있어서,상기 피가공층의 표면에는, 사전에 반사 방지막이 형성되어 있는 것을 특징으로 하는 에칭 방법.
- 제 1 항 내지 제 4 항의 어느 한 항에 있어서,상기 플라즈마 내성막 형성 공정 전 또는 후에, 상기 에칭용 오목부의 저부에 위치하고 있는 상기 반사 방지막을 제거하는 저부 반사 방지막 제거 공정이 실시되는 것을 특징으로 하는 에칭 방법.
- 제 1 항 내지 제 5 항의 어느 한 항에 있어서,상기 본 에칭 공정 후에,상기 플라즈마 내성막을 제거하는 플라즈마 내성막 제거 공정과,상기 마스크를 제거하는 마스크 제거 공정이 순차적으로 실시되는 것을 특징으로 하는 에칭 방법.
- 제 1 항 내지 제 6 항의 어느 한 항에 있어서,상기 플라즈마 내성막 형성 공정과, 상기 저부 플라즈마 내성막 제거 공정과, 상기 본 에칭 공정의 일부 또는 전부는, 동일한 플라즈마 처리 장치 내에서 실시되는 것을 특징으로 하는 에칭 방법.
- 피처리체에 대하여 소정의 에칭 처리를 실시하는 에칭 장치에 있어서,진공 배기가 가능하도록 이루어진 처리 용기와,상기 처리 용기 내에 설치된, 피처리체를 재치하기 위한 재치대와,상기 처리 용기 내로 소정의 가스를 도입하는 가스 도입 수단과,상기 처리 용기 내에서 상기 소정의 가스를 플라즈마화하는 플라즈마화 수단과,상기 피처리체의 피가공층의 표면에 형성된 에칭 마스크의 표면 전체에 플라즈마 내성막을 형성하는 플라즈마 내성막 형성 공정과, 상기 에칭 마스크에 형성되어 있던 에칭용 오목부의 저부에 형성된 플라즈마 내성막을 제거하는 저부 플라즈 마 내성막 제거 공정과, 에칭용 오목부의 저부를 제외하고, 플라즈마 내성막으로 덮인 상기 에칭 마스크를 마스크로 이용하여 상기 피가공층을 에칭하는 본 에칭 공정 중의 일부 공정 또는 전체 공정이 실시되도록 상기 가스 도입 수단 및 상기 플라즈마화 수단을 제어하는 장치 제어부를 구비한 것을 특징으로 하는 에칭 장치.
- 진공 배기가 가능하도록 이루어진 처리 용기와,상기 처리 용기 내에 설치된, 피처리체를 재치하기 위한 재치대와,상기 처리 용기 내로 소정의 가스를 도입하는 가스 도입 수단과,상기 처리 용기 내에서 상기 소정의 가스를 플라즈마화하는 플라즈마화 수단을 구비한 에칭 장치를 제어하는 제어 방법으로서,상기 피처리체의 피가공층의 표면에 형성된 에칭 마스크의 표면 전체에 플라즈마 내성막을 형성하는 플라즈마 내성막 형성 공정과, 상기 에칭 마스크에 형성되어 있던 에칭용 오목부의 저부에 형성된 플라즈마 내성막을 제거하는 저부 플라즈마 내성막 제거 공정과, 에칭용 오목부의 저부를 제외하고, 플라즈마 내성막으로 덮인 상기 에칭 마스크를 마스크로 이용하여, 상기 피가공층을 에칭하는 본 에칭 공정 중의 일부 공정 또는 전체 공정이 실시되도록, 상기 가스 도입 수단 및 상기 플라즈마화 수단을 제어하는 제어 방법을 컴퓨터로 실시시키기 위한 컴퓨터 프로그램을 기억하는 기억 매체.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005317367A JP2007123766A (ja) | 2005-10-31 | 2005-10-31 | エッチング方法、プラズマ処理装置及び記憶媒体 |
JPJP-P-2005-00317367 | 2005-10-31 |
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KR20080054430A true KR20080054430A (ko) | 2008-06-17 |
KR100967458B1 KR100967458B1 (ko) | 2010-07-01 |
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KR1020087010398A KR100967458B1 (ko) | 2005-10-31 | 2006-10-26 | 에칭 방법 및 에칭 장치 |
Country Status (6)
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US (1) | US20090137125A1 (ko) |
JP (1) | JP2007123766A (ko) |
KR (1) | KR100967458B1 (ko) |
CN (1) | CN101300667A (ko) |
TW (1) | TWI425565B (ko) |
WO (1) | WO2007052534A1 (ko) |
Families Citing this family (9)
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US9245717B2 (en) | 2011-05-31 | 2016-01-26 | Lam Research Corporation | Gas distribution system for ceramic showerhead of plasma etch reactor |
US8562785B2 (en) | 2011-05-31 | 2013-10-22 | Lam Research Corporation | Gas distribution showerhead for inductively coupled plasma etch reactor |
JP6050944B2 (ja) * | 2012-04-05 | 2016-12-21 | 東京エレクトロン株式会社 | プラズマエッチング方法及びプラズマ処理装置 |
JP6877290B2 (ja) | 2017-08-03 | 2021-05-26 | 東京エレクトロン株式会社 | 被処理体を処理する方法 |
TWI812762B (zh) * | 2018-07-30 | 2023-08-21 | 日商東京威力科創股份有限公司 | 處理被處理體之方法、處理裝置及處理系統 |
CN110858541B (zh) * | 2018-08-24 | 2022-05-10 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构及其形成方法 |
CN110931354B (zh) * | 2018-09-19 | 2023-05-05 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构以及半导体结构的制造方法 |
TWI814173B (zh) * | 2020-12-14 | 2023-09-01 | 香港商金展科技有限公司 | 在多個寶石的外表面形成可識別標記的方法和系統,以及根據這種方法標記的寶石 |
RU205508U1 (ru) * | 2021-03-11 | 2021-07-19 | Акционерное общество "ГРУППА КРЕМНИЙ ЭЛ" | Маска для взрывной фотолитографии |
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US4871630A (en) * | 1986-10-28 | 1989-10-03 | International Business Machines Corporation | Mask using lithographic image size reduction |
US5296410A (en) * | 1992-12-16 | 1994-03-22 | Samsung Electronics Co., Ltd. | Method for separating fine patterns of a semiconductor device |
JPH07106310A (ja) * | 1993-09-29 | 1995-04-21 | Victor Co Of Japan Ltd | ドライエッチング方法 |
US5736296A (en) * | 1994-04-25 | 1998-04-07 | Tokyo Ohka Kogyo Co., Ltd. | Positive resist composition comprising a mixture of two polyhydroxystyrenes having different acid cleavable groups and an acid generating compound |
TW367587B (en) * | 1998-03-31 | 1999-08-21 | Taiwan Semiconductor Mfg Co Ltd | Manufacturing method for on-chip interconnected wiring without damage to inter-layer dielectric |
US7223676B2 (en) * | 2002-06-05 | 2007-05-29 | Applied Materials, Inc. | Very low temperature CVD process with independently variable conformality, stress and composition of the CVD layer |
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AU2003244166A1 (en) * | 2002-06-27 | 2004-01-19 | Tokyo Electron Limited | Plasma processing method |
US7473377B2 (en) * | 2002-06-27 | 2009-01-06 | Tokyo Electron Limited | Plasma processing method |
KR100928098B1 (ko) * | 2002-12-24 | 2009-11-24 | 동부일렉트로닉스 주식회사 | 산화막을 이용한 메탈라인 형성방법 |
US7015885B2 (en) * | 2003-03-22 | 2006-03-21 | Active Optical Networks, Inc. | MEMS devices monolithically integrated with drive and control circuitry |
JP2004319972A (ja) * | 2003-03-31 | 2004-11-11 | Tokyo Electron Ltd | エッチング方法及びエッチング装置 |
DE102005020132B4 (de) * | 2005-04-29 | 2011-01-27 | Advanced Micro Devices, Inc., Sunnyvale | Technik zur Herstellung selbstjustierter Durchführungen in einer Metallisierungsschicht |
-
2005
- 2005-10-31 JP JP2005317367A patent/JP2007123766A/ja active Pending
-
2006
- 2006-10-26 CN CNA2006800407651A patent/CN101300667A/zh active Pending
- 2006-10-26 WO PCT/JP2006/321410 patent/WO2007052534A1/ja active Application Filing
- 2006-10-26 KR KR1020087010398A patent/KR100967458B1/ko active IP Right Grant
- 2006-10-26 US US12/091,961 patent/US20090137125A1/en not_active Abandoned
- 2006-10-31 TW TW095140285A patent/TWI425565B/zh active
Also Published As
Publication number | Publication date |
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TW200729333A (en) | 2007-08-01 |
JP2007123766A (ja) | 2007-05-17 |
TWI425565B (zh) | 2014-02-01 |
CN101300667A (zh) | 2008-11-05 |
KR100967458B1 (ko) | 2010-07-01 |
WO2007052534A1 (ja) | 2007-05-10 |
US20090137125A1 (en) | 2009-05-28 |
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