JP7300998B2 - 物体、ウェハ、及びマスクブランクの表面上の粒子を検出する方法 - Google Patents

物体、ウェハ、及びマスクブランクの表面上の粒子を検出する方法 Download PDF

Info

Publication number
JP7300998B2
JP7300998B2 JP2019553253A JP2019553253A JP7300998B2 JP 7300998 B2 JP7300998 B2 JP 7300998B2 JP 2019553253 A JP2019553253 A JP 2019553253A JP 2019553253 A JP2019553253 A JP 2019553253A JP 7300998 B2 JP7300998 B2 JP 7300998B2
Authority
JP
Japan
Prior art keywords
measuring
radiation
measuring radiation
particles
antireflection coating
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
JP2019553253A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2018177747A5 (https=
JP2020515844A5 (https=
JP2020515844A (ja
Inventor
バイエル オリバー
ゲルハルト ミカエル
Original Assignee
カール・ツァイス・エスエムティー・ゲーエムベーハー
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 カール・ツァイス・エスエムティー・ゲーエムベーハー filed Critical カール・ツァイス・エスエムティー・ゲーエムベーハー
Publication of JP2020515844A publication Critical patent/JP2020515844A/ja
Publication of JPWO2018177747A5 publication Critical patent/JPWO2018177747A5/ja
Publication of JP2020515844A5 publication Critical patent/JP2020515844A5/ja
Application granted granted Critical
Publication of JP7300998B2 publication Critical patent/JP7300998B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70Microphotolithographic exposure; Apparatus therefor
    • G03F7/708Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
    • G03F7/7085Detection arrangement, e.g. detectors of apparatus alignment possibly mounted on wafers, exposure dose, photo-cleaning flux, stray light, thermal load
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70Microphotolithographic exposure; Apparatus therefor
    • G03F7/70483Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
    • G03F7/70605Workpiece metrology
    • G03F7/70616Monitoring the printed patterns
    • G03F7/7065Defects, e.g. optical inspection of patterned layer for defects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/9501Semiconductor wafers
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/50Mask blanks not covered by G03F1/20 - G03F1/34; Preparation thereof
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004Photosensitive materials
    • G03F7/09Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
    • G03F7/091Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers characterised by antireflection means or light filtering or absorbing means, e.g. anti-halation, contrast enhancement
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70Microphotolithographic exposure; Apparatus therefor
    • G03F7/70008Production of exposure light, i.e. light sources
    • G03F7/70033Production of exposure light, i.e. light sources by plasma extreme ultraviolet [EUV] sources
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70Microphotolithographic exposure; Apparatus therefor
    • G03F7/70483Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
    • G03F7/70605Workpiece metrology
    • G03F7/706843Metrology apparatus
    • G03F7/706851Detection branch, e.g. detector arrangements, polarisation control, wavelength control or dark/bright field detection
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70Microphotolithographic exposure; Apparatus therefor
    • G03F7/708Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
    • G03F7/7095Materials, e.g. materials for housing, stage or other support having particular properties, e.g. weight, strength, conductivity, thermal expansion coefficient
    • G03F7/70958Optical materials or coatings, e.g. with particular transmittance, reflectance or anti-reflection properties
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N2021/4704Angular selective
    • G01N2021/4711Multiangle measurement
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/68Preparation processes not covered by groups G03F1/20 - G03F1/50
    • G03F1/72Repair or correction of mask defects
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/68Preparation processes not covered by groups G03F1/20 - G03F1/50
    • G03F1/82Auxiliary processes, e.g. cleaning or inspecting
    • G03F1/84Inspecting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP2019553253A 2017-03-28 2018-03-14 物体、ウェハ、及びマスクブランクの表面上の粒子を検出する方法 Active JP7300998B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102017205212.0 2017-03-28
DE102017205212.0A DE102017205212A1 (de) 2017-03-28 2017-03-28 Verfahren zum Detektieren von Partikeln an der Oberfläche eines Objekts, Wafer und Maskenblank
PCT/EP2018/056352 WO2018177747A1 (de) 2017-03-28 2018-03-14 Verfahren zum detektieren von partikeln an der oberfläche eines objekts, wafer und maskenblank

Publications (4)

Publication Number Publication Date
JP2020515844A JP2020515844A (ja) 2020-05-28
JPWO2018177747A5 JPWO2018177747A5 (https=) 2022-11-17
JP2020515844A5 JP2020515844A5 (https=) 2022-11-17
JP7300998B2 true JP7300998B2 (ja) 2023-06-30

Family

ID=61691960

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019553253A Active JP7300998B2 (ja) 2017-03-28 2018-03-14 物体、ウェハ、及びマスクブランクの表面上の粒子を検出する方法

Country Status (6)

Country Link
US (1) US11555783B2 (https=)
EP (1) EP3602198B1 (https=)
JP (1) JP7300998B2 (https=)
KR (1) KR102563712B1 (https=)
DE (1) DE102017205212A1 (https=)
WO (1) WO2018177747A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020216258A1 (de) * 2020-12-18 2022-06-23 Q.ant GmbH Verfahren zum Kalibrieren eines Partikelsensors, Partikelsensor und Vorrichtung mit einem Partikelsensor
DE112021007875T5 (de) * 2021-06-24 2024-04-11 Beijing Tongmei Xtal Technology Co., Ltd. Verfahren und einrichtung zum detektieren von oberflächen-haze von materialien
CN116833169A (zh) * 2023-07-26 2023-10-03 青岛融合智能科技有限公司 盖板玻璃加工用非接触式除尘和缺陷检测装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003177100A (ja) 2001-12-12 2003-06-27 Sumitomo Mitsubishi Silicon Corp 鏡面面取りウェーハの品質評価方法
JP2010210568A (ja) 2009-03-12 2010-09-24 Hitachi High-Technologies Corp 欠陥検査装置及び欠陥検査方法
JP2010267934A (ja) 2009-05-18 2010-11-25 Panasonic Corp 太陽電池およびその製造方法
JP2011027662A (ja) 2009-07-29 2011-02-10 Hitachi High-Technologies Corp 欠陥検査装置およびその方法
JP2012531042A (ja) 2009-06-19 2012-12-06 ケーエルエー−テンカー・コーポレーション 極紫外線マスクブランクの欠陥検出のための検査システム及び方法
JP2013242179A (ja) 2012-05-18 2013-12-05 Hamamatsu Photonics Kk 分光センサ
JP2017050256A (ja) 2015-09-04 2017-03-09 シャープ株式会社 照明装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5072911A (https=) * 1973-10-30 1975-06-16
JPH0682727B2 (ja) * 1986-02-18 1994-10-19 ホ−ヤ株式会社 検査用基板とその製造方法
JPH06103272B2 (ja) * 1988-01-21 1994-12-14 株式会社日立製作所 X線露光用マスクのマスク上異物検査方法
JP2731914B2 (ja) * 1988-08-25 1998-03-25 ホーヤ株式会社 検査用基板およびその製造方法
US5242711A (en) * 1991-08-16 1993-09-07 Rockwell International Corp. Nucleation control of diamond films by microlithographic patterning
JP3253177B2 (ja) * 1993-06-15 2002-02-04 キヤノン株式会社 表面状態検査装置
JP3624359B2 (ja) * 1995-10-18 2005-03-02 富士通株式会社 光変調素子、その製造方法、及び、光学装置
US6137570A (en) * 1998-06-30 2000-10-24 Kla-Tencor Corporation System and method for analyzing topological features on a surface
US7061601B2 (en) * 1999-07-02 2006-06-13 Kla-Tencor Technologies Corporation System and method for double sided optical inspection of thin film disks or wafers
WO2002040970A1 (en) * 2000-11-15 2002-05-23 Real Time Metrology, Inc. Optical method and apparatus for inspecting large area planar objects
US6608321B1 (en) * 2001-02-01 2003-08-19 Advanced Micro Devices, Inc. Differential wavelength inspection system
US6781688B2 (en) * 2002-10-02 2004-08-24 Kla-Tencor Technologies Corporation Process for identifying defects in a substrate having non-uniform surface properties
US20060008749A1 (en) * 2004-07-08 2006-01-12 Frank Sobel Method for manufacturing of a mask blank for EUV photolithography and mask blank
WO2007039161A1 (en) * 2005-09-27 2007-04-12 Schott Ag Mask blanc and photomasks having antireflective properties
JP2006270111A (ja) * 2006-04-21 2006-10-05 Hitachi Ltd 半導体デバイスの検査方法及びその装置
DE102008022792A1 (de) * 2008-05-08 2009-11-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Elektrostatisches Halteelement mit Antireflexbeschichtung, Vermessungsverfahren und Verwendung des Halteelementes
CN102117850B (zh) * 2010-11-12 2012-09-19 北京大学 微纳复合结构的太阳能电池及其制备方法
WO2012075351A2 (en) * 2010-12-03 2012-06-07 Bae Systems Information And Electronic Systems Integration Inc. Asymmetric slotted waveguide and method for fabricating the same
DE102014204171A1 (de) 2014-03-06 2015-09-24 Carl Zeiss Smt Gmbh Optisches Element und optische Anordnung damit
JP6044849B2 (ja) * 2014-03-24 2016-12-14 コニカミノルタ株式会社 処理装置および粒子固定方法
US9599573B2 (en) * 2014-12-02 2017-03-21 Kla-Tencor Corporation Inspection systems and techniques with enhanced detection
WO2017025373A1 (en) * 2015-08-12 2017-02-16 Asml Netherlands B.V. Inspection apparatus, inspection method and manufacturing method
JP2017054105A (ja) * 2015-09-11 2017-03-16 旭硝子株式会社 マスクブランク

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003177100A (ja) 2001-12-12 2003-06-27 Sumitomo Mitsubishi Silicon Corp 鏡面面取りウェーハの品質評価方法
JP2010210568A (ja) 2009-03-12 2010-09-24 Hitachi High-Technologies Corp 欠陥検査装置及び欠陥検査方法
JP2010267934A (ja) 2009-05-18 2010-11-25 Panasonic Corp 太陽電池およびその製造方法
JP2012531042A (ja) 2009-06-19 2012-12-06 ケーエルエー−テンカー・コーポレーション 極紫外線マスクブランクの欠陥検出のための検査システム及び方法
JP2011027662A (ja) 2009-07-29 2011-02-10 Hitachi High-Technologies Corp 欠陥検査装置およびその方法
JP2013242179A (ja) 2012-05-18 2013-12-05 Hamamatsu Photonics Kk 分光センサ
JP2017050256A (ja) 2015-09-04 2017-03-09 シャープ株式会社 照明装置

Also Published As

Publication number Publication date
WO2018177747A1 (de) 2018-10-04
DE102017205212A1 (de) 2018-10-04
EP3602198C0 (de) 2023-10-04
EP3602198B1 (de) 2023-10-04
KR20190129990A (ko) 2019-11-20
KR102563712B1 (ko) 2023-08-07
EP3602198A1 (de) 2020-02-05
US11555783B2 (en) 2023-01-17
JP2020515844A (ja) 2020-05-28
US20200026198A1 (en) 2020-01-23

Similar Documents

Publication Publication Date Title
KR102013083B1 (ko) Euv 이미징을 위한 장치 및 이의 이용 방법
TWI832082B (zh) 基板的缺陷檢查方法及缺陷檢查裝置
KR102755835B1 (ko) 매립된 계측 타겟을 위한 이미징 시스템
US9182357B2 (en) Semiconductor wafer inspection system and method
KR20120039659A (ko) 물체 검사 시스템 및 물체 검사 방법
US10551166B2 (en) Optical measurement of a highly absorbing film layer over highly reflective film stacks
CN107210188A (zh) 用于沉积的监控系统与操作该系统的方法
JP7300998B2 (ja) 物体、ウェハ、及びマスクブランクの表面上の粒子を検出する方法
JPH0242742A (ja) 表面分析システムのための較正ターゲット及び分析対象物体の支持体及び光トラップ及び開口構造体
JP2023512258A (ja) 接合されたウェハのオーバレイ計測
US10627217B2 (en) Method for determining the thickness of a contaminating layer and/or the type of contaminating material, optical element and EUV-lithography system
JP2017500555A (ja) 反射光学素子、特にマイクロリソグラフィの光学特性を測定する測定構成体
US6570650B1 (en) Apparatus and methods for reducing thin film color variation in optical inspection of semiconductor devices and other surfaces
JP2001524215A (ja) ガウス・ビーム分布を使用した表面解析
JP2003021596A (ja) シュリーレン分析方法及び装置
US20060091334A1 (en) Con-focal imaging system and method using destructive interference to enhance image contrast of light scattering objects on a sample surface
US5144524A (en) Light trap for blocking reflection and scattering of light
US6963395B2 (en) Method and apparatus for inspecting an EUV mask blank
TW202248761A (zh) 光學系統,特別是用於euv微影
Mattsson Total integrated scatter measurement system for quality assessment of coatings on optical surfaces
TW200422784A (en) Lithographic apparatus, device manufacturing method, and device manufactured thereby
Tanaka et al. Detection signal analysis of actinic inspection of EUV mask blanks using dark-field imaging
Schröder et al. Sensitive and flexible light scatter techniques from the VUV to IR regions
Smartt Scattered-light measurements of optical surfaces
JPWO2018177747A5 (https=)

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210312

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220118

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20220119

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220415

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220830

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20221108

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230307

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230523

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: 20230606

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230620

R150 Certificate of patent or registration of utility model

Ref document number: 7300998

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150