JP7332144B2 - レーザ修正方法、レーザ修正装置 - Google Patents
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- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
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- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06T7/001—Industrial image inspection using an image reference approach
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T7/50—Depth or shape recovery
- G06T7/521—Depth or shape recovery from laser ranging, e.g. using interferometry; from the projection of structured light
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
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- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/42—Printed circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/16—Composite materials, e.g. fibre reinforced
- B23K2103/166—Multilayered materials
- B23K2103/172—Multilayered materials wherein at least one of the layers is non-metallic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/8861—Determining coordinates of flaws
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10056—Microscopic image
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
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- G06T2207/30108—Industrial image inspection
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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Description
2:画像取得部,20:顕微鏡,21:白色光源,
22,29,31:ミラー,23,25:ハーフミラー,24:レンズ系,
26:撮像カメラ,27:画像処理部,28:表示装置,
3:レーザ照射部,30:レーザ光源,
32:レーザスキャナ,32A,32B:ガルバノミラー,
4:スペクトル分光カメラ,
40:レンズ,41:スリット,42:分光器,43:2次元センサ,
5:レーザ制御部,50:ニューラルネットワーク,50A:機械学習モデル
51:入力層,52:中間層,53:出力層,
100:多層膜基板,
S:ステージ,L:レーザ光
Claims (6)
- 多層膜基板の欠陥部に対してレーザ照射範囲を設定し、設定されたレーザ加工条件で前記欠陥部にレーザ光を照射して修正加工を行う修正工程を有し、
前記修正工程は、
前記欠陥部の分光スペクトルデータを取得して、前記分光スペクトルデータに基づいて、学習済みのニューラルネットワークによって前記欠陥部に照射するレーザ光の前記レーザ加工条件を設定し、
前記ニューラルネットワークは、多層膜構造データと多層膜構造毎の分光スペクトルデータと多層膜構造毎のレーザ加工実験データを含む実測データを学習データとして、機械学習されていることを特徴とするレーザ修正方法。 - 前記欠陥部の分光スペクトルデータは、欠陥部画像のピクセル毎に取得され、前記レーザ加工条件は、前記欠陥部画像におけるレーザ走査位置のピクセル毎に設定されることを特徴とする請求項1記載のレーザ修正方法。
- 前記多層膜基板は、2次元的な周期パターンを有しており、
前記修正工程に先立って行われる検査工程の結果から前記欠陥部の位置を特定し、
前記欠陥部を含む周期パターン画像を、前記欠陥部を含まない周期パターン画像と比較して、前記欠陥部の形状を特定し、
特定された前記欠陥部の形状が含まれるように前記レーザ照射範囲を設定することを特徴とする請求項1又は2記載のレーザ修正方法。 - 前記欠陥部の形状は、前記欠陥部を含む周期パターン画像に基づいて、学習済みの機械学習モデルによって特定され、当該機械学習モデルは、前記多層膜基板の周期パターン画像を学習データとして学習していることを特徴とする請求項3記載のレーザ修正方法。
- 多層膜基板の欠陥部に対してレーザ照射範囲を設定し、設定されたレーザ加工条件で前記欠陥部にレーザ光を照射して修正加工を行う修正加工部を備え、
前記修正加工部は、
前記欠陥部の分光スペクトルデータを取得して、前記分光スペクトルデータに基づいて、学習済みのニューラルネットワークによって前記欠陥部に照射するレーザ光の前記レーザ加工条件を設定するものであり、
前記ニューラルネットワークは、多層膜構造データと多層膜構造毎の分光スペクトルデータと多層膜構造毎のレーザ加工実験データを含む実測データを学習データとして、機械学習されていることを特徴とするレーザ修正装置。 - 前記修正加工部は、
顕微鏡を介して欠陥部画像を取得する画像取得部と、
前記顕微鏡を通して、前記欠陥部にレーザ光を照射するレーザ照射部と、
前記顕微鏡と同軸の白色落射光を前記多層膜基板に照射して、前記多層膜基板からの反射光を分光してピクセル毎の前記分光スペクトルデータを取得するスペクトル分光カメラと、
前記レーザ加工条件を制御するレーザ制御部とを備え、
前記レーザ制御部は、前記欠陥部画像におけるレーザ走査位置のピクセル毎に前記レーザ加工条件を設定することを特徴とする請求項5記載のレーザ修正装置。
Priority Applications (6)
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JP2019110482A JP7332144B2 (ja) | 2019-06-13 | 2019-06-13 | レーザ修正方法、レーザ修正装置 |
CN202080042211.5A CN113966527B (zh) | 2019-06-13 | 2020-05-27 | 激光修复方法、激光修复装置 |
KR1020217040532A KR20220018974A (ko) | 2019-06-13 | 2020-05-27 | 레이저 수정 방법, 레이저 수정 장치 |
US17/617,748 US20220238396A1 (en) | 2019-06-13 | 2020-05-27 | Laser repair method and laser repair device |
PCT/JP2020/020967 WO2020250685A1 (ja) | 2019-06-13 | 2020-05-27 | レーザ修正方法、レーザ修正装置 |
TW109119442A TWI821571B (zh) | 2019-06-13 | 2020-06-10 | 雷射修復方法、雷射修復裝置 |
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Citations (4)
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JP2007520874A (ja) | 2004-03-04 | 2007-07-26 | シャープ株式会社 | 半導体装置の製造方法および半導体検査装置 |
JP2008085279A (ja) | 2006-09-26 | 2008-04-10 | Samsung Sdi Co Ltd | 多結晶シリコン基板の結晶化度測定方法、これを利用した有機発光表示装置の製造方法及び有機発光表示装置 |
JP2008188638A (ja) | 2007-02-05 | 2008-08-21 | Sony Corp | 欠陥修正装置、配線基板の製造方法、ディスプレイ装置の製造方法 |
JP2016528496A (ja) | 2013-08-02 | 2016-09-15 | ベリフード, リミテッドVerifood, Ltd. | 分光器システムおよび方法、分光分析デバイスおよび方法 |
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CN113966527B (zh) | 2024-06-25 |
CN113966527A (zh) | 2022-01-21 |
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JP2020201457A (ja) | 2020-12-17 |
WO2020250685A1 (ja) | 2020-12-17 |
TWI821571B (zh) | 2023-11-11 |
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US20220238396A1 (en) | 2022-07-28 |
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