KR20210002345A - 마이크로리소그래피용 마스크를 측정하기 위한 장치 및 오토포커싱 방법 - Google Patents

마이크로리소그래피용 마스크를 측정하기 위한 장치 및 오토포커싱 방법 Download PDF

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Publication number
KR20210002345A
KR20210002345A KR1020200078351A KR20200078351A KR20210002345A KR 20210002345 A KR20210002345 A KR 20210002345A KR 1020200078351 A KR1020200078351 A KR 1020200078351A KR 20200078351 A KR20200078351 A KR 20200078351A KR 20210002345 A KR20210002345 A KR 20210002345A
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KR
South Korea
Prior art keywords
mask
imaging
focal
focusing
plane
Prior art date
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Ceased
Application number
KR1020200078351A
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English (en)
Korean (ko)
Inventor
마리오 라엔글레
Original Assignee
칼 짜이스 에스엠티 게엠베하
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Publication date
Application filed by 칼 짜이스 에스엠티 게엠베하 filed Critical 칼 짜이스 에스엠티 게엠베하
Publication of KR20210002345A publication Critical patent/KR20210002345A/ko
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F9/00—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
    • G03F9/70—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
    • G03F9/7003—Alignment type or strategy, e.g. leveling, global alignment
    • G03F9/7023—Aligning or positioning in direction perpendicular to substrate surface
    • G03F9/7026—Focusing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00—Originals 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
    • G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
    • G03F1/82—Auxiliary processes, e.g. cleaning or inspecting
    • G03F1/84—Inspecting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/0004—Microscopes specially adapted for specific applications
    • G02B21/002—Scanning microscopes
    • G02B21/0024—Confocal scanning microscopes (CSOMs) or confocal "macroscopes"; Accessories which are not restricted to use with CSOMs, e.g. sample holders
    • G02B21/0052—Optical details of the image generation
    • G02B21/006—Optical details of the image generation focusing arrangements; selection of the plane to be imaged
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/24—Base structure
    • G02B21/241—Devices for focusing
    • G02B21/244—Devices for focusing using image analysis techniques
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/24—Base structure
    • G02B21/241—Devices for focusing
    • G02B21/245—Devices for focusing using auxiliary sources, detectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/38—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals measured at different points on the optical axis, e.g. focussing on two or more planes and comparing image data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10141—Special mode during image acquisition
    • G06T2207/10148—Varying focus
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30148—Semiconductor; IC; Wafer

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Geometry (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Automatic Focus Adjustment (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Microscoopes, Condenser (AREA)
  • Focusing (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Studio Devices (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
KR1020200078351A 2019-06-27 2020-06-26 마이크로리소그래피용 마스크를 측정하기 위한 장치 및 오토포커싱 방법 Ceased KR20210002345A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019117293.4A DE102019117293B3 (de) 2019-06-27 2019-06-27 Vorrichtung zur Vermessung von Masken für die Mikrolithographie und Autofokussierverfahren
DE102019117293.4 2019-06-27

Publications (1)

Publication Number Publication Date
KR20210002345A true KR20210002345A (ko) 2021-01-07

Family

ID=72839203

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020200078351A Ceased KR20210002345A (ko) 2019-06-27 2020-06-26 마이크로리소그래피용 마스크를 측정하기 위한 장치 및 오토포커싱 방법

Country Status (6)

Country Link
US (1) US11647288B2 (https=)
JP (1) JP7382904B2 (https=)
KR (1) KR20210002345A (https=)
CN (1) CN112147858B (https=)
DE (1) DE102019117293B3 (https=)
TW (1) TWI794612B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230062412A (ko) * 2021-10-29 2023-05-09 칼 짜이스 에스엠티 게엠베하 반도체 리소그라피용 기판 측정 방법

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023119683B4 (de) * 2023-07-25 2025-12-18 Carl Zeiss Smt Gmbh Verfahren zur Bestimmung einer Lage einer Objektoberfläche

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Publication number Priority date Publication date Assignee Title
US6677565B1 (en) * 1998-08-18 2004-01-13 Veeco Tucson Inc. High speed autofocus and tilt for an optical imaging system
US6124924A (en) * 1998-12-24 2000-09-26 Applied Materials, Inc. Focus error correction method and apparatus
JP3688185B2 (ja) * 2000-05-08 2005-08-24 株式会社東京精密 焦点検出装置及び自動焦点顕微鏡
DE10153113A1 (de) * 2001-08-15 2003-03-13 Aglaia Ges Fuer Bildverarbeitu Verfahren und Vorrichtung zur Entfernungsbestimmung
US6688565B1 (en) 2002-10-01 2004-02-10 Kupo Co., Ltd. Multi-leg stand
US7142315B1 (en) * 2004-01-16 2006-11-28 Kla-Tencor Technologies Corporation Slit confocal autofocus system
JP2009031169A (ja) 2007-07-28 2009-02-12 Nikon Corp 位置検出装置、露光装置、及びデバイスの製造方法
US9229209B2 (en) * 2008-01-21 2016-01-05 Carl Zeiss Smt Gmbh Autofocus device and autofocusing method for an imaging device
WO2009093594A1 (ja) * 2008-01-24 2009-07-30 Nikon Corporation 面位置検出装置、露光装置、およびデバイス製造方法
JP5498044B2 (ja) 2009-03-26 2014-05-21 株式会社東芝 自動焦点調節機構及び光学画像取得装置
JP5757099B2 (ja) * 2010-02-15 2015-07-29 株式会社ニコン 焦点調節装置、及び焦点調節プログラム
JP5293782B2 (ja) * 2011-07-27 2013-09-18 三星ダイヤモンド工業株式会社 合焦位置調整方法、合焦位置調整装置、およびレーザー加工装置
DE102011082414A1 (de) 2011-09-09 2013-03-14 Carl Zeiss Sms Gmbh Autofokuseinrichtung und Autofokussierverfahren für eine Abbildungsvorrichtung
DE102012223128B4 (de) 2012-12-13 2022-09-01 Carl Zeiss Microscopy Gmbh Autofokusverfahren für Mikroskop und Mikroskop mit Autofokuseinrichtung
DE102014114864B4 (de) * 2014-10-14 2016-06-02 Carl Zeiss Sms Gmbh Verfahren und Vorrichtung zum Ermitteln eines lateralen Versatzes eines Musters auf einem Substrat relativ zu einer Sollposition
CN106772923B (zh) 2015-11-24 2021-01-01 睿励科学仪器（上海）有限公司 基于倾斜狭缝的自动对焦方法和系统
DE102016120730A1 (de) 2016-10-31 2018-02-08 Carl Zeiss Smt Gmbh Autofokussiereinrichtung für eine Abbildungsvorrichtung sowie Autofokussierverfahren
JP7079569B2 (ja) * 2017-04-21 2022-06-02 株式会社ニューフレアテクノロジー 検査方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230062412A (ko) * 2021-10-29 2023-05-09 칼 짜이스 에스엠티 게엠베하 반도체 리소그라피용 기판 측정 방법

Also Published As

Publication number Publication date
US20200412939A1 (en) 2020-12-31
CN112147858B (zh) 2023-11-10
CN112147858A (zh) 2020-12-29
DE102019117293B3 (de) 2020-11-05
US11647288B2 (en) 2023-05-09
TW202107227A (zh) 2021-02-16
TWI794612B (zh) 2023-03-01
JP7382904B2 (ja) 2023-11-17
JP2021006903A (ja) 2021-01-21

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