KR20150013594A - 프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버 - Google Patents

프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버 Download PDF

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Publication number
KR20150013594A
KR20150013594A KR1020147032961A KR20147032961A KR20150013594A KR 20150013594 A KR20150013594 A KR 20150013594A KR 1020147032961 A KR1020147032961 A KR 1020147032961A KR 20147032961 A KR20147032961 A KR 20147032961A KR 20150013594 A KR20150013594 A KR 20150013594A
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KR
South Korea
Prior art keywords
process kit
substrate
etch stop
kit shield
depositing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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KR1020147032961A
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English (en)
Korean (ko)
Inventor
무함매드 라쉬드
아돌프 밀러 알렌
지안퀴 왕
Original Assignee
어플라이드 머티어리얼스, 인코포레이티드
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Publication of KR20150013594A publication Critical patent/KR20150013594A/ko
Ceased legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/56Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
    • C23C14/564Means for minimising impurities in the coating chamber such as dust, moisture, residual gases
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34Sputtering
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/04Coating on selected surface areas, e.g. using masks
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34Sputtering
    • C23C14/35Sputtering by application of a magnetic field, e.g. magnetron sputtering
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/54Controlling or regulating the coating process
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/58After-treatment
    • C23C14/5873Removal of material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3402Gas-filled discharge tubes operating with cathodic sputtering using supplementary magnetic fields
    • H01J37/3405Magnetron sputtering
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3411Constructional aspects of the reactor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3411Constructional aspects of the reactor
    • H01J37/3447Collimators, shutters, apertures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • Physical Vapour Deposition (AREA)
KR1020147032961A 2012-04-24 2013-04-18 프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버 Ceased KR20150013594A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261637606P 2012-04-24 2012-04-24
US61/637,606 2012-04-24
US13/860,578 2013-04-11
US13/860,578 US20130277203A1 (en) 2012-04-24 2013-04-11 Process kit shield and physical vapor deposition chamber having same
PCT/US2013/037101 WO2013162992A1 (en) 2012-04-24 2013-04-18 Process kit shield and physical vapor deposition chamber having same

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020207018767A Division KR20200079576A (ko) 2012-04-24 2013-04-18 프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버

Publications (1)

Publication Number Publication Date
KR20150013594A true KR20150013594A (ko) 2015-02-05

Family

ID=49379103

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020147032961A Ceased KR20150013594A (ko) 2012-04-24 2013-04-18 프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버
KR1020207018767A Ceased KR20200079576A (ko) 2012-04-24 2013-04-18 프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020207018767A Ceased KR20200079576A (ko) 2012-04-24 2013-04-18 프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버

Country Status (6)

Country Link
US (2) US20130277203A1 (https=)
JP (1) JP6238963B2 (https=)
KR (2) KR20150013594A (https=)
CN (1) CN104246004B (https=)
TW (1) TWI616552B (https=)
WO (1) WO2013162992A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240093616A (ko) * 2021-11-19 2024-06-24 베이징 나우라 마이크로일렉트로닉스 이큅먼트 씨오., 엘티디. 반도체 챔버

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130136864A1 (en) * 2011-11-28 2013-05-30 United Technologies Corporation Passive termperature control of hpc rotor coating
JP5860063B2 (ja) * 2011-12-22 2016-02-16 キヤノンアネルバ株式会社 基板処理装置
CN105097401B (zh) * 2014-05-13 2017-06-06 北京北方微电子基地设备工艺研究中心有限责任公司 一种反应腔室及半导体加工设备
CN105779932B (zh) * 2014-12-26 2018-08-24 北京北方华创微电子装备有限公司 用于处理腔室的工艺内衬和物理气相沉积设备
US10546733B2 (en) 2014-12-31 2020-01-28 Applied Materials, Inc. One-piece process kit shield
WO2016157771A1 (ja) * 2015-03-31 2016-10-06 株式会社アルバック カソードアッセンブリ
WO2017007729A1 (en) * 2015-07-03 2017-01-12 Applied Materials, Inc. Process kit having tall deposition ring and deposition ring clamp
US10103012B2 (en) 2015-09-11 2018-10-16 Applied Materials, Inc. One-piece process kit shield for reducing the impact of an electric field near the substrate
US9953812B2 (en) 2015-10-06 2018-04-24 Applied Materials, Inc. Integrated process kit for a substrate processing chamber
JP2018535324A (ja) * 2015-11-24 2018-11-29 アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated Vhf−rf pvdチャンバで使用するためのプレコートされたシールド
KR102678733B1 (ko) * 2015-12-04 2024-06-26 어플라이드 머티어리얼스, 인코포레이티드 Hdp-cvd 챔버 아킹을 방지하기 위한 첨단 코팅 방법 및 재료들
US11017984B2 (en) * 2016-04-28 2021-05-25 Applied Materials, Inc. Ceramic coated quartz lid for processing chamber
US9773665B1 (en) * 2016-12-06 2017-09-26 Applied Materials, Inc. Particle reduction in a physical vapor deposition chamber
US10998172B2 (en) * 2017-09-22 2021-05-04 Applied Materials, Inc. Substrate processing chamber having improved process volume sealing
JP7001448B2 (ja) * 2017-12-05 2022-01-19 東京エレクトロン株式会社 Pvd処理方法およびpvd処理装置
CN111602235B (zh) * 2018-01-29 2025-03-14 应用材料公司 用于在pvd处理中减少颗粒的处理配件几何形状
US10818839B2 (en) 2018-03-15 2020-10-27 Samsung Electronics Co., Ltd. Apparatus for and method of fabricating semiconductor devices
US11584985B2 (en) * 2018-08-13 2023-02-21 Honeywell International Inc. Sputter trap having a thin high purity coating layer and method of making the same
TWI851279B (zh) 2019-02-11 2024-08-01 美商應用材料股份有限公司 物理氣相沉積方法
US11289312B2 (en) * 2019-06-12 2022-03-29 Applied Materials, Inc. Physical vapor deposition (PVD) chamber with in situ chamber cleaning capability
KR102755075B1 (ko) * 2019-11-15 2025-01-14 캐논 톡키 가부시키가이샤 성막장치
KR102755070B1 (ko) * 2019-11-20 2025-01-14 캐논 톡키 가부시키가이샤 성막장치
US12195843B2 (en) * 2023-01-19 2025-01-14 Applied Materials, Inc. Multicathode PVD system for high aspect ratio barrier seed deposition

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5419029A (en) * 1994-02-18 1995-05-30 Applied Materials, Inc. Temperature clamping method for anti-contamination and collimating devices for thin film processes
US20020090464A1 (en) * 2000-11-28 2002-07-11 Mingwei Jiang Sputter chamber shield
US6613442B2 (en) * 2000-12-29 2003-09-02 Lam Research Corporation Boron nitride/yttria composite components of semiconductor processing equipment and method of manufacturing thereof
KR100427842B1 (ko) * 2001-09-21 2004-04-30 장건 진공증착박막코팅챔버용 실드 및 그 제조방법
US7026009B2 (en) * 2002-03-27 2006-04-11 Applied Materials, Inc. Evaluation of chamber components having textured coatings
US20050205415A1 (en) * 2004-03-19 2005-09-22 Belousov Igor V Multi-component deposition
US7618769B2 (en) * 2004-06-07 2009-11-17 Applied Materials, Inc. Textured chamber surface
JP4623055B2 (ja) * 2007-05-23 2011-02-02 日本テキサス・インスツルメンツ株式会社 メタル成膜装置におけるメタル膜剥離防止構造及び当該構造を用いる半導体装置の製造方法
JP5916384B2 (ja) * 2008-04-16 2016-05-11 アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated ウェハ処理堆積物遮蔽構成材
US20100055298A1 (en) * 2008-08-28 2010-03-04 Applied Materials, Inc. Process kit shields and methods of use thereof
US9834840B2 (en) * 2010-05-14 2017-12-05 Applied Materials, Inc. Process kit shield for improved particle reduction
KR20120021642A (ko) * 2010-08-11 2012-03-09 주식회사 에스에프에이 스퍼터 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240093616A (ko) * 2021-11-19 2024-06-24 베이징 나우라 마이크로일렉트로닉스 이큅먼트 씨오., 엘티디. 반도체 챔버

Also Published As

Publication number Publication date
CN104246004B (zh) 2017-05-03
TWI616552B (zh) 2018-03-01
WO2013162992A1 (en) 2013-10-31
TW201346055A (zh) 2013-11-16
US20170088942A1 (en) 2017-03-30
JP6238963B2 (ja) 2017-11-29
US20130277203A1 (en) 2013-10-24
CN104246004A (zh) 2014-12-24
KR20200079576A (ko) 2020-07-03
JP2015515551A (ja) 2015-05-28

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