KR20210049946A - 가스 분배 조립체들 및 그 동작 - Google Patents

가스 분배 조립체들 및 그 동작 Download PDF

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Publication number
KR20210049946A
KR20210049946A KR1020217012076A KR20217012076A KR20210049946A KR 20210049946 A KR20210049946 A KR 20210049946A KR 1020217012076 A KR1020217012076 A KR 1020217012076A KR 20217012076 A KR20217012076 A KR 20217012076A KR 20210049946 A KR20210049946 A KR 20210049946A
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South Korea
Prior art keywords
faceplate
process chamber
gas distribution
angle
distribution assembly
Prior art date
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Ceased
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KR1020217012076A
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English (en)
Korean (ko)
Inventor
프리앙카 대쉬
치준 지앙
가네쉬 발라수브라마니안
치앙 마
칼얀지트 고시
카우시크 알라야발리
유싱 장
다니엘 훵
쇼욘 자파리
Original Assignee
어플라이드 머티어리얼스, 인코포레이티드
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Publication of KR20210049946A publication Critical patent/KR20210049946A/ko
Ceased legal-status Critical Current

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    • H01L21/67017—
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/04—Apparatus for manufacture or treatment
    • H10P72/0402—Apparatus for fluid treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • 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
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32431—Constructional details of the reactor
    • H01J37/3244—Gas supply means
    • H01J37/32449—Gas control, e.g. control of the gas flow
    • 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
    • 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
    • C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
    • C23C16/45563—Gas nozzles
    • C23C16/45565—Shower nozzles
    • 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
    • C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
    • C23C16/45563—Gas nozzles
    • C23C16/4557—Heated nozzles
    • 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
    • C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
    • C23C16/45587—Mechanical means for changing the gas flow
    • C23C16/45591—Fixed means, e.g. wings, baffles
    • 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
    • C23C16/458—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 characterised by the method used for supporting substrates in the reaction chamber
    • C23C16/4582—Rigid and flat substrates, e.g. plates or discs
    • C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
    • C23C16/4586—Elements in the interior of the support, e.g. electrodes, heating or cooling devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • 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
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32431—Constructional details of the reactor
    • H01J37/32623—Mechanical discharge control means
    • H01J37/32642—Focus rings
    • H01L21/02271—
    • H01L21/67098—
    • H01L21/67248—
    • H01L21/67253—
    • H01L21/67276—
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
    • H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
    • H10P14/6326—Deposition processes
    • H10P14/6328—Deposition from the gas or vapour phase
    • H10P14/6334—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/04—Apparatus for manufacture or treatment
    • H10P72/0431—Apparatus for thermal treatment
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/04—Apparatus for manufacture or treatment
    • H10P72/0431—Apparatus for thermal treatment
    • H10P72/0432—Apparatus for thermal treatment mainly by conduction
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/06—Apparatus for monitoring, sorting, marking, testing or measuring
    • H10P72/0602—Temperature monitoring
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/06—Apparatus for monitoring, sorting, marking, testing or measuring
    • H10P72/0604—Process monitoring, e.g. flow or thickness monitoring
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/06—Apparatus for monitoring, sorting, marking, testing or measuring
    • H10P72/0612—Production flow monitoring, e.g. for increasing throughput
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/06—Apparatus for monitoring, sorting, marking, testing or measuring
    • H10P72/0616—Monitoring of warpages, curvatures, damages, defects or the like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Vapour Deposition (AREA)
  • Formation Of Insulating Films (AREA)
  • Automation & Control Theory (AREA)
KR1020217012076A 2018-09-26 2019-08-20 가스 분배 조립체들 및 그 동작 Ceased KR20210049946A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862736882P 2018-09-26 2018-09-26
US62/736,882 2018-09-26
PCT/US2019/047189 WO2020068299A1 (en) 2018-09-26 2019-08-20 Gas distribution assemblies and operation thereof

Publications (1)

Publication Number Publication Date
KR20210049946A true KR20210049946A (ko) 2021-05-06

Family

ID=69883686

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217012076A Ceased KR20210049946A (ko) 2018-09-26 2019-08-20 가스 분배 조립체들 및 그 동작

Country Status (7)

Country Link
US (1) US20200098547A1 (https=)
JP (1) JP2022502845A (https=)
KR (1) KR20210049946A (https=)
CN (1) CN112714948A (https=)
SG (1) SG11202101349SA (https=)
TW (1) TW202027194A (https=)
WO (1) WO2020068299A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7114763B1 (ja) 2021-02-15 2022-08-08 株式会社Kokusai Electric 半導体装置の製造方法、基板処理装置、プログラム、および基板処理方法
CN113130354A (zh) * 2021-04-09 2021-07-16 长鑫存储技术有限公司 半导体生产装置

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3192370B2 (ja) * 1995-06-08 2001-07-23 東京エレクトロン株式会社 プラズマ処理装置
US6176930B1 (en) * 1999-03-04 2001-01-23 Applied Materials, Inc. Apparatus and method for controlling a flow of process material to a deposition chamber
JP3654142B2 (ja) * 2000-01-20 2005-06-02 住友電気工業株式会社 半導体製造装置用ガスシャワー体
US6553932B2 (en) * 2000-05-12 2003-04-29 Applied Materials, Inc. Reduction of plasma edge effect on plasma enhanced CVD processes
US6805952B2 (en) * 2000-12-29 2004-10-19 Lam Research Corporation Low contamination plasma chamber components and methods for making the same
US6827815B2 (en) * 2002-01-15 2004-12-07 Applied Materials, Inc. Showerhead assembly for a processing chamber
US20050230350A1 (en) * 2004-02-26 2005-10-20 Applied Materials, Inc. In-situ dry clean chamber for front end of line fabrication
US20050274396A1 (en) * 2004-06-09 2005-12-15 Hong Shih Methods for wet cleaning quartz surfaces of components for plasma processing chambers
JP5005268B2 (ja) * 2006-06-12 2012-08-22 株式会社日立ハイテクノロジーズ プラズマ処理装置
US20080072821A1 (en) * 2006-07-21 2008-03-27 Dalton Jeremic J Small volume symmetric flow single wafer ald apparatus
US8876024B2 (en) * 2008-01-10 2014-11-04 Applied Materials, Inc. Heated showerhead assembly
KR101004903B1 (ko) * 2008-07-04 2010-12-28 삼성엘이디 주식회사 화학 기상 증착 장치
CN101740298B (zh) * 2008-11-07 2012-07-25 东京毅力科创株式会社 等离子体处理装置及其构成部件
TW201204868A (en) * 2010-07-12 2012-02-01 Applied Materials Inc Compartmentalized chamber
US20120052216A1 (en) * 2010-08-27 2012-03-01 Applied Materials, Inc. Gas distribution showerhead with high emissivity surface
CN106884157B (zh) * 2011-03-04 2019-06-21 诺发系统公司 混合型陶瓷喷淋头
US20130102156A1 (en) * 2011-10-21 2013-04-25 Lam Research Corporation Components of plasma processing chambers having textured plasma resistant coatings
US9330939B2 (en) * 2012-03-28 2016-05-03 Applied Materials, Inc. Method of enabling seamless cobalt gap-fill
WO2013182878A2 (en) * 2012-06-07 2013-12-12 Soitec Gas injection components for deposition systems, deposition systems including such components, and related methods
US9132436B2 (en) * 2012-09-21 2015-09-15 Applied Materials, Inc. Chemical control features in wafer process equipment
TWI600786B (zh) * 2013-05-01 2017-10-01 應用材料股份有限公司 用於腔室清潔或預清潔製程之鈷移除
CN204134770U (zh) * 2013-08-14 2015-02-04 应用材料公司 用于沉积聚合物材料的工艺腔室和该工艺腔室中用的喷头
JP6156850B2 (ja) * 2014-12-25 2017-07-05 東京エレクトロン株式会社 プラズマ処理装置及びプラズマ処理装置の部材の交換判断方法
US20170178758A1 (en) * 2015-12-18 2017-06-22 Applied Materials, Inc. Uniform wafer temperature achievement in unsymmetric chamber environment
JP2017135170A (ja) * 2016-01-25 2017-08-03 株式会社ニューフレアテクノロジー 気相成長装置及び気相成長方法
KR102251209B1 (ko) * 2016-06-15 2021-05-11 어플라이드 머티어리얼스, 인코포레이티드 고 전력 플라즈마 에칭 프로세스들을 위한 가스 분배 플레이트 조립체

Also Published As

Publication number Publication date
SG11202101349SA (en) 2021-04-29
TW202027194A (zh) 2020-07-16
US20200098547A1 (en) 2020-03-26
JP2022502845A (ja) 2022-01-11
WO2020068299A1 (en) 2020-04-02
CN112714948A (zh) 2021-04-27

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