KR102723916B1 - 에칭 방법 - Google Patents

에칭 방법 Download PDF

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Publication number
KR102723916B1
KR102723916B1 KR1020227016762A KR20227016762A KR102723916B1 KR 102723916 B1 KR102723916 B1 KR 102723916B1 KR 1020227016762 A KR1020227016762 A KR 1020227016762A KR 20227016762 A KR20227016762 A KR 20227016762A KR 102723916 B1 KR102723916 B1 KR 102723916B1
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gas
plasma
silicon
etching
phosphorus
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Korean (ko)
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KR20220082068A (ko
KR102723916B9 (ko
Inventor
다카히로 요코야마
마주 도무라
요시히데 기하라
류타로 스다
다카토시 오루이
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도쿄엘렉트론가부시키가이샤
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Priority claimed from PCT/JP2020/005847 external-priority patent/WO2021090516A1/ja
Application filed by 도쿄엘렉트론가부시키가이샤 filed Critical 도쿄엘렉트론가부시키가이샤
Priority to KR1020247035736A priority Critical patent/KR20240157785A/ko
Publication of KR20220082068A publication Critical patent/KR20220082068A/ko
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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
    • H10P50/00Etching of wafers, substrates or parts of devices
    • H10P50/20Dry etching; Plasma etching; Reactive-ion etching
    • H10P50/24Dry etching; Plasma etching; Reactive-ion etching of semiconductor materials
    • H10P50/242Dry etching; Plasma etching; Reactive-ion etching of semiconductor materials of Group IV materials
    • H01L21/31116
    • 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
    • H01J37/32009Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
    • H01J37/32082Radio frequency generated discharge
    • H01J37/32137Radio frequency generated discharge controlling of the discharge by modulation of energy
    • H01J37/32146Amplitude modulation, includes pulsing
    • 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
    • H01J37/32431Constructional details of the reactor
    • H01J37/32458Vessel
    • H01J37/32477Vessel characterised by the means for protecting vessels or internal parts, e.g. coatings
    • H01L21/02164
    • H01L21/0217
    • H01L21/31144
    • H01L21/32055
    • H01L21/32136
    • H01L21/32139
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/46Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
    • 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
    • H10P14/40Formation of materials, e.g. in the shape of layers or pillars of conductive or resistive materials
    • H10P14/416Formation of materials, e.g. in the shape of layers or pillars of conductive or resistive materials of highly doped semiconductor materials, e.g. polysilicon layers or amorphous silicon layers
    • 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
    • H10P14/692Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
    • H10P14/6921Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon
    • H10P14/69215Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material being a silicon oxide, e.g. SiO2
    • 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
    • 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
    • H10P50/00Etching of wafers, substrates or parts of devices
    • H10P50/20Dry etching; Plasma etching; Reactive-ion etching
    • H10P50/26Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials
    • H10P50/264Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means
    • H10P50/266Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only
    • H10P50/267Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only using plasmas
    • 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
    • H10P50/00Etching of wafers, substrates or parts of devices
    • H10P50/20Dry etching; Plasma etching; Reactive-ion etching
    • H10P50/26Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials
    • H10P50/264Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means
    • H10P50/266Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only
    • H10P50/267Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only using plasmas
    • H10P50/268Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only using plasmas of silicon-containing layers
    • 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
    • H10P50/00Etching of wafers, substrates or parts of devices
    • H10P50/20Dry etching; Plasma etching; Reactive-ion etching
    • H10P50/28Dry etching; Plasma etching; Reactive-ion etching of insulating materials
    • H10P50/282Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials
    • H10P50/283Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials by chemical means
    • 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
    • H10P50/00Etching of wafers, substrates or parts of devices
    • H10P50/71Etching of wafers, substrates or parts of devices using masks for conductive or resistive materials
    • 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
    • H10P50/00Etching of wafers, substrates or parts of devices
    • H10P50/73Etching of wafers, substrates or parts of devices using masks for insulating materials

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Drying Of Semiconductors (AREA)
  • Plasma Technology (AREA)
KR1020227016762A 2019-11-08 2020-11-02 에칭 방법 Active KR102723916B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020247035736A KR20240157785A (ko) 2019-11-08 2020-11-02 에칭 방법

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2019203326 2019-11-08
JPJP-P-2019-203326 2019-11-08
PCT/JP2020/005847 WO2021090516A1 (ja) 2019-11-08 2020-02-14 エッチング方法
JPPCT/JP2020/005847 2020-02-14
JP2020152786 2020-09-11
JPJP-P-2020-152786 2020-09-11
KR1020217009334A KR102401025B1 (ko) 2019-11-08 2020-11-02 에칭 방법
PCT/JP2020/041026 WO2021090798A1 (ja) 2019-11-08 2020-11-02 エッチング方法

Related Parent Applications (1)

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KR1020217009334A Division KR102401025B1 (ko) 2019-11-08 2020-11-02 에칭 방법

Related Child Applications (1)

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KR1020247035736A Division KR20240157785A (ko) 2019-11-08 2020-11-02 에칭 방법

Publications (3)

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KR20220082068A KR20220082068A (ko) 2022-06-16
KR102723916B1 true KR102723916B1 (ko) 2024-10-31
KR102723916B9 KR102723916B9 (ko) 2025-06-10

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KR1020217009334A Active KR102401025B1 (ko) 2019-11-08 2020-11-02 에칭 방법
KR1020247035736A Pending KR20240157785A (ko) 2019-11-08 2020-11-02 에칭 방법

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KR1020247035736A Pending KR20240157785A (ko) 2019-11-08 2020-11-02 에칭 방법

Country Status (7)

Country Link
US (4) US11551937B2 (enExample)
EP (1) EP4050641A4 (enExample)
JP (4) JP6990799B2 (enExample)
KR (3) KR102723916B1 (enExample)
CN (2) CN114175214B (enExample)
TW (1) TW202536963A (enExample)
WO (1) WO2021090798A1 (enExample)

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KR20230165190A (ko) 2021-04-08 2023-12-05 도쿄엘렉트론가부시키가이샤 에칭 방법 및 플라즈마 처리 시스템
WO2022230118A1 (ja) * 2021-04-28 2022-11-03 東京エレクトロン株式会社 エッチング方法
JP7767024B2 (ja) * 2021-05-07 2025-11-11 東京エレクトロン株式会社 基板処理方法および基板処理装置
JP7434669B2 (ja) * 2021-06-21 2024-02-20 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方法
JP7348672B2 (ja) * 2021-12-03 2023-09-21 東京エレクトロン株式会社 プラズマ処理方法及びプラズマ処理システム
JP7675044B2 (ja) 2022-03-24 2025-05-12 東京エレクトロン株式会社 エッチング方法及びプラズマ処理システム
WO2023189292A1 (ja) * 2022-03-31 2023-10-05 東京エレクトロン株式会社 プラズマ処理装置
JP7712242B2 (ja) 2022-04-01 2025-07-23 東京エレクトロン株式会社 エッチング方法及びプラズマ処理システム
JP2023171269A (ja) * 2022-05-19 2023-12-01 東京エレクトロン株式会社 エッチング方法及びプラズマ処理システム
KR20250056935A (ko) * 2022-08-26 2025-04-28 도쿄엘렉트론가부시키가이샤 에칭 방법 및 플라즈마 처리 장치
JP7536941B2 (ja) * 2022-08-30 2024-08-20 東京エレクトロン株式会社 プラズマ処理方法及びプラズマ処理装置
TW202431406A (zh) * 2022-09-22 2024-08-01 日商東京威力科創股份有限公司 基板處理方法及基板處理裝置
KR102733623B1 (ko) * 2022-11-11 2024-11-25 세메스 주식회사 기판 처리 장치의 챔버 내부 표면의 보호막 형성 방법
KR20250116060A (ko) * 2022-12-01 2025-07-31 도쿄엘렉트론가부시키가이샤 에칭 방법 및 플라즈마 처리 장치
WO2024204321A1 (ja) * 2023-03-28 2024-10-03 東京エレクトロン株式会社 エッチング装置及びエッチング方法
WO2025089102A1 (ja) * 2023-10-24 2025-05-01 東京エレクトロン株式会社 エッチング方法及びプラズマ処理装置
WO2025150427A1 (ja) * 2024-01-09 2025-07-17 東京エレクトロン株式会社 エッチング方法及びプラズマ処理システム
US20250279283A1 (en) * 2024-03-01 2025-09-04 Applied Materials, Inc. Selective etching of alternating layers of silicon oxide and silicon nitride for high aspect ratio contacts
US20260052921A1 (en) * 2024-08-13 2026-02-19 Applied Materials, Inc. Deep trench isolation etching
TWI912123B (zh) * 2025-01-23 2026-01-11 埃爾思科技股份有限公司 具有單一光學裝置之離子顯微鏡及聚焦離子束系統
JP7751768B1 (ja) * 2025-03-21 2025-10-08 東京エレクトロン株式会社 エッチング方法及びプラズマ処理装置

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US20220157610A1 (en) 2022-05-19
KR20220082068A (ko) 2022-06-16
JP2022020007A (ja) 2022-01-27
US11551937B2 (en) 2023-01-10
JP2026012478A (ja) 2026-01-23
KR20240157785A (ko) 2024-11-01
JP6990799B2 (ja) 2022-02-03
CN114175214A (zh) 2022-03-11
CN116169018B (zh) 2026-04-17
JP7525464B2 (ja) 2024-07-30
WO2021090798A1 (ja) 2021-05-14
EP4050641A4 (en) 2023-12-13
US12142484B2 (en) 2024-11-12
KR102723916B9 (ko) 2025-06-10
US11615964B2 (en) 2023-03-28
CN116169018A (zh) 2023-05-26
CN114175214B (zh) 2023-01-31
JP2024133307A (ja) 2024-10-01
TW202536963A (zh) 2025-09-16
US20220199412A1 (en) 2022-06-23
US20230197458A1 (en) 2023-06-22
JPWO2021090798A1 (ja) 2021-11-25
JP7775384B2 (ja) 2025-11-25
KR20210057061A (ko) 2021-05-20
EP4050641A1 (en) 2022-08-31
KR102401025B1 (ko) 2022-05-24
US20250046615A1 (en) 2025-02-06

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