JP6823527B2 - エッチング方法 - Google Patents

エッチング方法 Download PDF

Info

Publication number
JP6823527B2
JP6823527B2 JP2017080798A JP2017080798A JP6823527B2 JP 6823527 B2 JP6823527 B2 JP 6823527B2 JP 2017080798 A JP2017080798 A JP 2017080798A JP 2017080798 A JP2017080798 A JP 2017080798A JP 6823527 B2 JP6823527 B2 JP 6823527B2
Authority
JP
Japan
Prior art keywords
gas
film
face
layer
treated
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.)
Active
Application number
JP2017080798A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018182103A5 (OSRAM
JP2018182103A (ja
Inventor
翔 熊倉
翔 熊倉
雅弘 田端
雅弘 田端
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokyo Electron Ltd
Original Assignee
Tokyo Electron Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokyo Electron Ltd filed Critical Tokyo Electron Ltd
Priority to JP2017080798A priority Critical patent/JP6823527B2/ja
Priority to TW107112016A priority patent/TWI782975B/zh
Priority to KR1020180042942A priority patent/KR102562634B1/ko
Priority to CN201810329352.XA priority patent/CN108735598B/zh
Priority to US15/952,328 priority patent/US10269578B2/en
Publication of JP2018182103A publication Critical patent/JP2018182103A/ja
Publication of JP2018182103A5 publication Critical patent/JP2018182103A5/ja
Application granted granted Critical
Publication of JP6823527B2 publication Critical patent/JP6823527B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
    • H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
    • H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
    • 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
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
    • H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
    • H01L21/0217—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
    • 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
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
    • H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
    • H01L21/02219—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and nitrogen
    • 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
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
    • H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
    • H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
    • H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
    • H01L21/02274—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition in the presence of a plasma [PECVD]
    • 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
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
    • H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
    • H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
    • H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
    • H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
    • 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
    • H01L21/31105—Etching inorganic layers
    • H01L21/31111—Etching inorganic layers by chemical means
    • H01L21/31116—Etching inorganic layers by chemical means by dry-etching
    • 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
    • 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
    • H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
    • H01L21/321—After treatment
    • H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
    • H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
    • H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
    • H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/32—Processing objects by plasma generation
    • H01J2237/33—Processing objects by plasma generation characterised by the type of processing
    • H01J2237/334—Etching
    • 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
    • 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
    • H01J37/32532—Electrodes
    • H01J37/32568—Relative arrangement or disposition of electrodes; moving means
    • 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
    • H01J37/32715—Workpiece holder
    • H01J37/32724—Temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Drying Of Semiconductors (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Formation Of Insulating Films (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Magnetic Heads (AREA)
JP2017080798A 2017-04-14 2017-04-14 エッチング方法 Active JP6823527B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2017080798A JP6823527B2 (ja) 2017-04-14 2017-04-14 エッチング方法
TW107112016A TWI782975B (zh) 2017-04-14 2018-04-09 蝕刻方法
KR1020180042942A KR102562634B1 (ko) 2017-04-14 2018-04-12 에칭 방법
CN201810329352.XA CN108735598B (zh) 2017-04-14 2018-04-13 蚀刻方法
US15/952,328 US10269578B2 (en) 2017-04-14 2018-04-13 Etching method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017080798A JP6823527B2 (ja) 2017-04-14 2017-04-14 エッチング方法

Publications (3)

Publication Number Publication Date
JP2018182103A JP2018182103A (ja) 2018-11-15
JP2018182103A5 JP2018182103A5 (OSRAM) 2019-12-26
JP6823527B2 true JP6823527B2 (ja) 2021-02-03

Family

ID=63790267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017080798A Active JP6823527B2 (ja) 2017-04-14 2017-04-14 エッチング方法

Country Status (5)

Country Link
US (1) US10269578B2 (OSRAM)
JP (1) JP6823527B2 (OSRAM)
KR (1) KR102562634B1 (OSRAM)
CN (1) CN108735598B (OSRAM)
TW (1) TWI782975B (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7071175B2 (ja) * 2017-04-18 2022-05-18 東京エレクトロン株式会社 被処理体を処理する方法
JP7066565B2 (ja) * 2018-07-27 2022-05-13 東京エレクトロン株式会社 プラズマ処理方法およびプラズマ処理装置
CN113454763A (zh) * 2019-02-14 2021-09-28 朗姆研究公司 使用牺牲性掩模的选择性蚀刻
JP7277225B2 (ja) * 2019-04-08 2023-05-18 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
JP7398915B2 (ja) * 2019-10-01 2023-12-15 東京エレクトロン株式会社 基板処理方法、半導体デバイスの製造方法、及び、プラズマ処理装置
JP7336365B2 (ja) * 2019-11-19 2023-08-31 東京エレクトロン株式会社 膜をエッチングする方法及びプラズマ処理装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06318576A (ja) * 1993-04-30 1994-11-15 Oki Electric Ind Co Ltd ドライエッチング方法
JP3259529B2 (ja) * 1994-07-11 2002-02-25 ソニー株式会社 選択エッチング方法
JP4123428B2 (ja) 2001-11-30 2008-07-23 東京エレクトロン株式会社 エッチング方法
US8252696B2 (en) 2007-10-22 2012-08-28 Applied Materials, Inc. Selective etching of silicon nitride
WO2011031949A1 (en) * 2009-09-10 2011-03-17 Lockheed Martin Corporation Graphene nanoelectronic device fabrication
JP4982582B2 (ja) * 2010-03-31 2012-07-25 株式会社東芝 マスクの製造方法
JP2012018989A (ja) * 2010-07-06 2012-01-26 Elpida Memory Inc 半導体装置の製造方法
WO2012008179A1 (ja) * 2010-07-12 2012-01-19 住友精密工業株式会社 エッチング方法
CN103311092B (zh) * 2012-03-12 2015-08-05 中芯国际集成电路制造(上海)有限公司 沟槽的刻蚀方法
US9093389B2 (en) * 2013-01-16 2015-07-28 Applied Materials, Inc. Method of patterning a silicon nitride dielectric film
US9378971B1 (en) 2014-12-04 2016-06-28 Lam Research Corporation Technique to deposit sidewall passivation for high aspect ratio cylinder etch
US9378975B2 (en) 2014-02-10 2016-06-28 Tokyo Electron Limited Etching method to form spacers having multiple film layers
US9059043B1 (en) * 2014-02-11 2015-06-16 International Business Machines Corporation Fin field effect transistor with self-aligned source/drain regions
KR102233577B1 (ko) * 2014-02-25 2021-03-30 삼성전자주식회사 반도체 소자의 패턴 형성 방법
JP6235981B2 (ja) * 2014-07-01 2017-11-22 東京エレクトロン株式会社 被処理体を処理する方法
US9633867B2 (en) * 2015-01-05 2017-04-25 Lam Research Corporation Method and apparatus for anisotropic tungsten etching
US9576811B2 (en) * 2015-01-12 2017-02-21 Lam Research Corporation Integrating atomic scale processes: ALD (atomic layer deposition) and ALE (atomic layer etch)
US9828672B2 (en) * 2015-03-26 2017-11-28 Lam Research Corporation Minimizing radical recombination using ALD silicon oxide surface coating with intermittent restoration plasma
KR101702869B1 (ko) * 2015-09-10 2017-02-06 주식회사 케이씨텍 원자층 식각장치
US9972502B2 (en) * 2015-09-11 2018-05-15 Lam Research Corporation Systems and methods for performing in-situ deposition of sidewall image transfer spacers
US9595451B1 (en) * 2015-10-19 2017-03-14 Applied Materials, Inc. Highly selective etching methods for etching dielectric materials
US10115601B2 (en) * 2016-02-03 2018-10-30 Tokyo Electron Limited Selective film formation for raised and recessed features using deposition and etching processes
JP6812284B2 (ja) * 2017-03-28 2021-01-13 東京エレクトロン株式会社 エッチング方法及び記録媒体

Also Published As

Publication number Publication date
KR102562634B1 (ko) 2023-08-02
US20180301346A1 (en) 2018-10-18
TWI782975B (zh) 2022-11-11
KR20180116150A (ko) 2018-10-24
CN108735598A (zh) 2018-11-02
CN108735598B (zh) 2023-01-06
US10269578B2 (en) 2019-04-23
TW201903883A (zh) 2019-01-16
JP2018182103A (ja) 2018-11-15

Similar Documents

Publication Publication Date Title
KR102774973B1 (ko) 기판 처리 장치
JP6823527B2 (ja) エッチング方法
JP6757624B2 (ja) 被処理体を処理する方法
JP6788400B2 (ja) 被処理体を処理する方法
JP6767302B2 (ja) 成膜方法
JP7045428B2 (ja) 被処理体を処理する方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191114

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20191114

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20200820

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20200825

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200901

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20201215

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210108

R150 Certificate of patent or registration of utility model

Ref document number: 6823527

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250