KR102751446B1 - 질화 실리콘 막들을 증착하는 방법 - Google Patents

질화 실리콘 막들을 증착하는 방법 Download PDF

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KR102751446B1
KR102751446B1 KR1020217014922A KR20217014922A KR102751446B1 KR 102751446 B1 KR102751446 B1 KR 102751446B1 KR 1020217014922 A KR1020217014922 A KR 1020217014922A KR 20217014922 A KR20217014922 A KR 20217014922A KR 102751446 B1 KR102751446 B1 KR 102751446B1
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silicon
gas
stack
plasma
silicon nitride
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KR20210063431A (ko
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제임스 에스. 심스
셰인 탕
비크란트 라이
앤드류 맥케로우
후아탄 치우
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램 리써치 코포레이션
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/60Formation of materials, e.g. in the shape of layers or pillars of insulating materials
    • H10P14/69Inorganic materials
    • H10P14/694Inorganic materials composed of nitrides
    • H10P14/6943Inorganic materials composed of nitrides containing silicon
    • H10P14/69433Inorganic materials composed of nitrides containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
    • H01L21/02274
    • 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
    • C23C16/00Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22Chemical 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 deposition of inorganic material, other than metallic material
    • C23C16/30Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/34Nitrides
    • C23C16/345Silicon nitride
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    • 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
    • C23C16/00Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44Chemical 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
    • C23C16/455Chemical 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
    • C23C16/45523Pulsed gas flow or change of composition over time
    • C23C16/45525Atomic layer deposition [ALD]
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    • 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
    • C23C16/00Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44Chemical 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
    • C23C16/455Chemical 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
    • C23C16/45523Pulsed gas flow or change of composition over time
    • C23C16/45525Atomic layer deposition [ALD]
    • C23C16/45527Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
    • C23C16/45536Use of plasma, radiation or electromagnetic fields
    • 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
    • C23C16/00Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44Chemical 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
    • C23C16/455Chemical 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
    • C23C16/45523Pulsed gas flow or change of composition over time
    • C23C16/45525Atomic layer deposition [ALD]
    • C23C16/45527Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
    • C23C16/45536Use of plasma, radiation or electromagnetic fields
    • C23C16/45542Plasma being used non-continuously during the ALD reactions
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    • 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
    • H01J37/32009Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
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    • H01J37/32174Circuits specially adapted for controlling the RF discharge
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    • H01J37/32Gas-filled discharge tubes
    • H01J37/32431Constructional details of the reactor
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    • H10D64/01302Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon
    • H10D64/01332Making the insulator
    • H10D64/01336Making the insulator on single crystalline silicon, e.g. chemical oxidation using a liquid
    • H10D64/01344Making the insulator on single crystalline silicon, e.g. chemical oxidation using a liquid in a nitrogen-containing ambient, e.g. N2O oxidation
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    • H10P14/60Formation of materials, e.g. in the shape of layers or pillars of insulating materials
    • H10P14/63Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
    • H10P14/6326Deposition processes
    • H10P14/6328Deposition from the gas or vapour phase
    • H10P14/6334Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
    • H10P14/6336Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition in the presence of a plasma [PECVD]
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    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
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    • H10P14/6328Deposition from the gas or vapour phase
    • H10P14/6334Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
    • H10P14/6339Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE or pulsed CVD
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    • H10P14/66Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials
    • H10P14/668Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials the materials being characterised by the deposition precursor materials
    • H10P14/6681Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials the materials being characterised by the deposition precursor materials the precursor containing a compound comprising Si
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    • H10P14/6681Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials the materials being characterised by the deposition precursor materials the precursor containing a compound comprising Si
    • H10P14/6682Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the type of materials the materials being characterised by the deposition precursor materials the precursor containing a compound comprising Si the compound being a silane, e.g. disilane, methylsilane or chlorosilane
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  • General Chemical & Material Sciences (AREA)
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  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Formation Of Insulating Films (AREA)
  • Chemical Vapour Deposition (AREA)
KR1020217014922A 2018-10-19 2019-10-11 질화 실리콘 막들을 증착하는 방법 Active KR102751446B1 (ko)

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Application Number Priority Date Filing Date Title
US201862748085P 2018-10-19 2018-10-19
US62/748,085 2018-10-19
PCT/US2019/055920 WO2020081397A1 (en) 2018-10-19 2019-10-11 Method of depositing silicon nitride films

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KR102751446B1 true KR102751446B1 (ko) 2025-01-07

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US (1) US12230495B2 (https=)
JP (1) JP7488815B2 (https=)
KR (1) KR102751446B1 (https=)
CN (1) CN112930581B (https=)
TW (1) TWI857979B (https=)
WO (1) WO2020081397A1 (https=)

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KR20250009119A (ko) * 2023-07-10 2025-01-17 한화정밀기계 주식회사 기판 처리 장치 및 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016063232A (ja) * 2014-09-17 2016-04-25 エーエスエム アイピー ホールディング ビー.ブイ. SiNの堆積
WO2018132568A1 (en) 2017-01-13 2018-07-19 Applied Materials, Inc. Methods and apparatus for low temperature silicon nitride films

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4669679B2 (ja) * 2004-07-29 2011-04-13 東京エレクトロン株式会社 窒化珪素膜の製造方法及び半導体装置の製造方法
JP4607637B2 (ja) * 2005-03-28 2011-01-05 東京エレクトロン株式会社 シリコン窒化膜の形成方法、シリコン窒化膜の形成装置及びプログラム
US8728955B2 (en) * 2012-02-14 2014-05-20 Novellus Systems, Inc. Method of plasma activated deposition of a conformal film on a substrate surface
US9343317B2 (en) * 2013-07-01 2016-05-17 Micron Technology, Inc. Methods of forming silicon-containing dielectric materials and semiconductor device structures
US9589790B2 (en) 2014-11-24 2017-03-07 Lam Research Corporation Method of depositing ammonia free and chlorine free conformal silicon nitride film
US10410857B2 (en) * 2015-08-24 2019-09-10 Asm Ip Holding B.V. Formation of SiN thin films
KR102146542B1 (ko) 2015-09-30 2020-08-20 주식회사 원익아이피에스 질화막의 제조방법
US10043656B1 (en) * 2017-03-10 2018-08-07 Lam Research Corporation Selective growth of silicon oxide or silicon nitride on silicon surfaces in the presence of silicon oxide
US9984869B1 (en) * 2017-04-17 2018-05-29 Asm Ip Holding B.V. Method of plasma-assisted cyclic deposition using ramp-down flow of reactant gas

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016063232A (ja) * 2014-09-17 2016-04-25 エーエスエム アイピー ホールディング ビー.ブイ. SiNの堆積
WO2018132568A1 (en) 2017-01-13 2018-07-19 Applied Materials, Inc. Methods and apparatus for low temperature silicon nitride films

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US20210384028A1 (en) 2021-12-09
US12230495B2 (en) 2025-02-18
CN112930581A (zh) 2021-06-08
JP2022505321A (ja) 2022-01-14
KR20210063431A (ko) 2021-06-01
JP7488815B2 (ja) 2024-05-22
TWI857979B (zh) 2024-10-11
CN112930581B (zh) 2025-04-15
TW202030359A (zh) 2020-08-16
WO2020081397A1 (en) 2020-04-23

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