JP6952711B2 - ターゲットデザイン方法、製造方法及び計量ターゲット - Google Patents

ターゲットデザイン方法、製造方法及び計量ターゲット Download PDF

Info

Publication number
JP6952711B2
JP6952711B2 JP2018552155A JP2018552155A JP6952711B2 JP 6952711 B2 JP6952711 B2 JP 6952711B2 JP 2018552155 A JP2018552155 A JP 2018552155A JP 2018552155 A JP2018552155 A JP 2018552155A JP 6952711 B2 JP6952711 B2 JP 6952711B2
Authority
JP
Japan
Prior art keywords
target
pitch
design
hybrid
metering
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
JP2018552155A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019517017A (ja
JP2019517017A5 (enExample
Inventor
ウラディミル レビンスキ
ウラディミル レビンスキ
エイタン ハジャジ
エイタン ハジャジ
タル イツコビッチ
タル イツコビッチ
シャロン アハロン
シャロン アハロン
ミカエル イー アデル
ミカエル イー アデル
ユリ パスコバ
ユリ パスコバ
ダリア ネグリ
ダリア ネグリ
ユバル ルバシェブスキー
ユバル ルバシェブスキー
アムノン マナッセン
アムノン マナッセン
ミュンジュン リー
ミュンジュン リー
マーク ディー スミス
マーク ディー スミス
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.)
KLA Corp
Original Assignee
KLA Corp
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 KLA Corp filed Critical KLA Corp
Publication of JP2019517017A publication Critical patent/JP2019517017A/ja
Publication of JP2019517017A5 publication Critical patent/JP2019517017A5/ja
Application granted granted Critical
Publication of JP6952711B2 publication Critical patent/JP6952711B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G03F7/70681Metrology strategies
    • G03F7/70683Mark designs
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/30Circuit design
    • G06F30/39Circuit design at the physical level
    • G06F30/398Design verification or optimisation, e.g. using design rule check [DRC], layout versus schematics [LVS] or finite element methods [FEM]
    • 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
    • G03F7/0002Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
    • 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
    • G03F7/70491Information management, e.g. software; Active and passive control, e.g. details of controlling exposure processes or exposure tool monitoring processes
    • G03F7/705Modelling or simulating from physical phenomena up to complete wafer processes or whole workflow in wafer productions
    • 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
    • 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
    • G03F7/70625Dimensions, e.g. line width, critical dimension [CD], profile, sidewall angle or edge roughness
    • 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
    • G03F7/70633Overlay, i.e. relative alignment between patterns printed by separate exposures in different layers, or in the same layer in multiple exposures or stitching
    • 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
    • G03F7/706849Irradiation branch, e.g. optical system details, illumination mode or polarisation control
    • 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
    • G03F9/00Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
    • G03F9/70Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
    • G03F9/7073Alignment marks and their environment
    • G03F9/7076Mark details, e.g. phase grating mark, temporary mark
    • 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
    • G03F9/00Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
    • G03F9/70Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
    • G03F9/7088Alignment mark detection, e.g. TTR, TTL, off-axis detection, array detector, video detection
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/027Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/027Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
    • H01L21/0271Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
    • H01L21/0273Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
    • H01L21/0274Photolithographic processes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L22/00Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
    • H01L22/10Measuring as part of the manufacturing process
    • H01L22/12Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Theoretical Computer Science (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • Evolutionary Computation (AREA)
  • Multimedia (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
JP2018552155A 2016-04-04 2016-11-04 ターゲットデザイン方法、製造方法及び計量ターゲット Active JP6952711B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662318086P 2016-04-04 2016-04-04
US62/318,086 2016-04-04
PCT/US2016/060626 WO2017176314A1 (en) 2016-04-04 2016-11-04 Process compatibility improvement by fill factor modulation

Publications (3)

Publication Number Publication Date
JP2019517017A JP2019517017A (ja) 2019-06-20
JP2019517017A5 JP2019517017A5 (enExample) 2019-12-12
JP6952711B2 true JP6952711B2 (ja) 2021-10-20

Family

ID=60001339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018552155A Active JP6952711B2 (ja) 2016-04-04 2016-11-04 ターゲットデザイン方法、製造方法及び計量ターゲット

Country Status (8)

Country Link
US (1) US10579768B2 (enExample)
EP (1) EP3440511B1 (enExample)
JP (1) JP6952711B2 (enExample)
KR (1) KR102788661B1 (enExample)
CN (1) CN109073981B (enExample)
IL (1) IL261879B (enExample)
TW (1) TWI710860B (enExample)
WO (1) WO2017176314A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11112704B2 (en) * 2017-02-10 2021-09-07 Kla-Tencor Corporation Mitigation of inaccuracies related to grating asymmetries in scatterometry measurements
WO2018226215A1 (en) 2017-06-06 2018-12-13 Kla-Tencor Corporation Reticle optimization algorithms and optimal target design
US10628544B2 (en) 2017-09-25 2020-04-21 International Business Machines Corporation Optimizing integrated circuit designs based on interactions between multiple integration design rules
US20190250504A1 (en) * 2017-10-23 2019-08-15 Kla-Tencor Corporation Reduction or elimination of pattern placement error in metrology measurements
CN112789557A (zh) * 2018-10-30 2021-05-11 科磊股份有限公司 不对称像差的估计
WO2020169419A1 (en) * 2019-02-19 2020-08-27 Asml Holding N.V. Metrology system, lithographic apparatus, and method
US11378394B1 (en) * 2020-12-11 2022-07-05 Kla Corporation On-the-fly scatterometry overlay metrology target
CN117546100B (zh) * 2021-12-17 2025-05-02 科磊股份有限公司 用于改进目标置放准确度的叠加目标设计
US12411420B2 (en) * 2023-09-29 2025-09-09 Kla Corporation Small in-die target design for overlay measurement

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6303252B1 (en) * 1999-12-27 2001-10-16 United Microelectronics Corp. Reticle having assist feature between semi-dense lines
TW512424B (en) * 2000-05-01 2002-12-01 Asml Masktools Bv Hybrid phase-shift mask
TW479157B (en) 2000-07-21 2002-03-11 Asm Lithography Bv Mask for use in a lithographic projection apparatus and method of making the same
US6433878B1 (en) * 2001-01-29 2002-08-13 Timbre Technology, Inc. Method and apparatus for the determination of mask rules using scatterometry
US6519760B2 (en) * 2001-02-28 2003-02-11 Asml Masktools, B.V. Method and apparatus for minimizing optical proximity effects
SG108975A1 (en) 2003-07-11 2005-02-28 Asml Netherlands Bv Marker structure for alignment or overlay to correct pattern induced displacement, mask pattern for defining such a marker structure and lithographic projection apparatus using such a mask pattern
SG111289A1 (en) * 2003-11-05 2005-05-30 Asml Masktools Bv A method for performing transmission tuning of a mask pattern to improve process latitude
WO2005069082A1 (en) * 2003-12-19 2005-07-28 International Business Machines Corporation Differential critical dimension and overlay metrology apparatus and measurement method
JP4634849B2 (ja) * 2005-04-12 2011-02-16 株式会社東芝 集積回路のパターンレイアウト、フォトマスク、半導体装置の製造方法、及びデータ作成方法
US7749662B2 (en) * 2005-10-07 2010-07-06 Globalfoundries Inc. Process margin using discrete assist features
US7925486B2 (en) 2006-03-14 2011-04-12 Kla-Tencor Technologies Corp. Computer-implemented methods, carrier media, and systems for creating a metrology target structure design for a reticle layout
US7911612B2 (en) * 2007-06-13 2011-03-22 Asml Netherlands B.V. Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method
KR100880232B1 (ko) 2007-08-20 2009-01-28 주식회사 동부하이텍 미세 마스크 및 그를 이용한 패턴 형성 방법
JP2009109581A (ja) * 2007-10-26 2009-05-21 Toshiba Corp 半導体装置の製造方法
JP5529391B2 (ja) * 2008-03-21 2014-06-25 ルネサスエレクトロニクス株式会社 ハーフトーン型位相シフトマスク、そのハーフトーン型位相シフトマスクを有する半導体装置の製造装置、およびそのハーフトーン型位相シフトマスクを用いた半導体装置の製造方法
JP5627394B2 (ja) * 2010-10-29 2014-11-19 キヤノン株式会社 マスクのデータ及び露光条件を決定するためのプログラム、決定方法、マスク製造方法、露光方法及びデバイス製造方法
US8913237B2 (en) * 2012-06-26 2014-12-16 Kla-Tencor Corporation Device-like scatterometry overlay targets
WO2015009619A1 (en) * 2013-07-15 2015-01-22 Kla-Tencor Corporation Producing resist layers using fine segmentation
US9053284B2 (en) 2013-09-04 2015-06-09 Taiwan Semiconductor Manufacturing Company, Ltd. Method and system for overlay control
CN105980932B (zh) * 2013-12-17 2018-08-03 Asml荷兰有限公司 检查方法、光刻设备、掩模以及衬底
KR102169557B1 (ko) * 2014-01-15 2020-10-26 케이엘에이 코포레이션 다중 패터닝된 타겟에서의 피치 워크의 오버레이 측정
CN111338187A (zh) * 2014-08-29 2020-06-26 Asml荷兰有限公司 度量方法、目标和衬底
NL2017300A (en) * 2015-08-27 2017-03-01 Asml Netherlands Bv Method and apparatus for measuring a parameter of a lithographic process, substrate and patterning devices for use in the method
CN109073980B (zh) * 2015-12-17 2021-06-18 Asml荷兰有限公司 量测设备的调节或基于已测量目标的特性而由量测设备进行的测量

Also Published As

Publication number Publication date
EP3440511A1 (en) 2019-02-13
KR102788661B1 (ko) 2025-03-28
TWI710860B (zh) 2020-11-21
US10579768B2 (en) 2020-03-03
CN109073981B (zh) 2021-09-24
IL261879B (en) 2021-01-31
IL261879A (en) 2018-10-31
JP2019517017A (ja) 2019-06-20
KR20180123156A (ko) 2018-11-14
CN109073981A (zh) 2018-12-21
EP3440511B1 (en) 2024-03-06
EP3440511A4 (en) 2019-12-18
TW201800873A (zh) 2018-01-01
WO2017176314A1 (en) 2017-10-12
US20180157784A1 (en) 2018-06-07

Similar Documents

Publication Publication Date Title
JP6952711B2 (ja) ターゲットデザイン方法、製造方法及び計量ターゲット
CN109844647B (zh) 基于衍射的聚焦度量
US5883813A (en) Automatic generation of phase shift masks using net coloring
JP5078543B2 (ja) 階層opcのための局所的な色付け
US20180074395A1 (en) Euv mask for monitoring focus in euv lithography
CN106164733B (zh) 使用散射术计量的焦点测量
JPH10125570A (ja) 位相エッジ位相シフト設計における相互接続の設計競合を排除する方法
JP2008166777A (ja) リソグラフィ装置およびデバイス製造方法
JP2022153592A (ja) ホットスポット及びプロセスウィンドウ監視装置
US8103979B2 (en) System for generating and optimizing mask assist features based on hybrid (model and rules) methodology
US9753364B2 (en) Producing resist layers using fine segmentation
US6757886B2 (en) Alternating phase shift mask design with optimized phase shapes
Zable et al. GPU-accelerated inline linearity correction: pixel-level dose correction (PLDC) for the MBM-1000
US7930654B2 (en) System and method of correcting errors in SEM-measurements
US7160651B2 (en) Manufacturable chromeless alternating phase shift mask structure with phase grating
CN112219271A (zh) 用以识别与光学邻近校正相关的系统性缺陷的混合设计布局
Menon et al. Zone-plate-array lithography (ZPAL): optical maskless lithography for cost-effective patterning
KR20200005682A (ko) 레티클 최적화 알고리즘들 및 최적의 타겟 설계
Ebihara et al. 150-nm dense/isolated contact hole study with Canon IDEAL technique
Liang Photomask Technology 2023
Chen et al. Impact of anamorphic scaling on orientational dependence of high-NA EUV lithography
Behringer et al. 38th European Mask and Lithography Conference (EMLC 2023)
Rietmann et al. Enhancing displacement Talbot lithography through inverse-designed curvilinear masks and multibeam mask writing
Liebmann Mask challenges in high-resolution lithography
Melvin III et al. Photomask Technology 2025

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191031

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20191031

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20200624

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20200630

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200929

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20201208

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210304

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: 20210831

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210928

R150 Certificate of patent or registration of utility model

Ref document number: 6952711

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