JP2020085587A - ガラス板の製造方法、及びガラス板の製造装置 - Google Patents
ガラス板の製造方法、及びガラス板の製造装置 Download PDFInfo
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- JP2020085587A JP2020085587A JP2018218233A JP2018218233A JP2020085587A JP 2020085587 A JP2020085587 A JP 2020085587A JP 2018218233 A JP2018218233 A JP 2018218233A JP 2018218233 A JP2018218233 A JP 2018218233A JP 2020085587 A JP2020085587 A JP 2020085587A
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- 239000011521 glass Substances 0.000 title claims abstract description 177
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 48
- 230000007547 defect Effects 0.000 claims abstract description 137
- 238000003384 imaging method Methods 0.000 claims abstract description 88
- 238000007689 inspection Methods 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 40
- 230000001678 irradiating effect Effects 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 230000002950 deficient Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 230000003760 hair shine Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/037—Controlling or regulating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
-
- 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
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N21/896—Optical defects in or on transparent materials, e.g. distortion, surface flaws in conveyed flat sheet or rod
-
- 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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/958—Inspecting transparent materials or objects, e.g. windscreens
-
- G—PHYSICS
- G02—OPTICS
- 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
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Optics & Photonics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Textile Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
Description
10,20 検査装置
11 撮像装置
11a 受光部
12 反射光照射装置
13 透過光照射装置
14 搬送路
21 補助光照射装置
F 搬送方向
G ガラス板
G1 撮像領域
Ga,Gb ガラス板の表面
L1〜L3 光
P 画像
P1 突起状欠陥(表面欠陥)
P2 傷(表面欠陥)
P3 内部欠陥
S 影
S1 加工工程
S2 洗浄工程
S3 検査工程
S4 梱包工程
θ1 撮像角度
θ2 入射角(第一の光)
θ3 傾斜角
θ4 入射角(第三の光)
Claims (6)
- 検査装置でガラス板の欠陥を検査する検査工程を備えたガラス板の製造方法であって、
前記検査装置は、
前記ガラス板を撮像する撮像装置と、
第一の光を照射し、かつ前記第一の光が前記ガラス板の第一の表面で反射して前記撮像装置の受光部に到達するように配置された反射光照射装置と、
第二の光を照射し、かつ前記第二の光が前記ガラス板を透過して前記撮像装置により撮像される領域に到達するように配置された透過光照射装置とを備え、
前記透過光照射装置は、前記第二の光の照射方向が前記撮像装置の前記受光部と正対する向きに対して傾斜するように配置される、ガラス板の製造方法。 - 前記透過光照射装置は、前記ガラス板の前記第一の表面の裏側に位置する第二の表面に対して、前記第二の光が垂直に入射するように配置される、請求項1に記載のガラス板の製造方法。
- 前記反射光照射装置は、前記ガラス板の前記第一の表面に対する前記第一の光の入射角と、前記ガラス板の前記第一の表面の法線方向と前記撮像装置の撮像方向とがなす角度とが等しくなるように配置される、請求項1又は2に記載のガラス板の製造方法。
- 前記検査装置は、前記ガラス板の前記第一の表面側に配置され、第三の光を前記ガラス板の前記撮像される領域に向けて照射する補助光照射装置をさらに備える、請求項1〜3の何れか一項に記載のガラス板の製造方法。
- 前記ガラス板は所定の搬送路上を搬送され、前記搬送路が前記検査工程を通過するように構成されている請求項1〜4の何れか一項に記載のガラス板の製造方法。
- 前記ガラス板の欠陥を検査するための検査装置を備えたガラス板の製造装置であって、
前記検査装置は、
前記ガラス板を撮像する撮像装置と、
第一の光を照射し、かつ前記第一の光が前記ガラス板の第一の表面で反射して前記撮像装置の受光部に到達するように配置された反射光照射装置と、
第二の光を照射し、かつ前記第二の光が前記ガラス板を透過して前記撮像装置により撮像される領域に到達するように配置された透過光照射装置とを備え、
前記透過光照射装置は、前記第二の光の照射方向が前記撮像装置の前記受光部と正対する向きに対して傾斜するように配置される、ガラス板の製造装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018218233A JP2020085587A (ja) | 2018-11-21 | 2018-11-21 | ガラス板の製造方法、及びガラス板の製造装置 |
PCT/JP2019/041955 WO2020105368A1 (ja) | 2018-11-21 | 2019-10-25 | ガラス板の製造方法、及びガラス板の製造装置 |
CN201980074032.7A CN113015901A (zh) | 2018-11-21 | 2019-10-25 | 玻璃板的制造方法以及玻璃板的制造装置 |
TW108141097A TW202043760A (zh) | 2018-11-21 | 2019-11-13 | 玻璃板的製造方法以及玻璃板的製造裝置 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2018218233A JP2020085587A (ja) | 2018-11-21 | 2018-11-21 | ガラス板の製造方法、及びガラス板の製造装置 |
Publications (1)
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JP2020085587A true JP2020085587A (ja) | 2020-06-04 |
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JP2018218233A Pending JP2020085587A (ja) | 2018-11-21 | 2018-11-21 | ガラス板の製造方法、及びガラス板の製造装置 |
Country Status (4)
Country | Link |
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JP (1) | JP2020085587A (ja) |
CN (1) | CN113015901A (ja) |
TW (1) | TW202043760A (ja) |
WO (1) | WO2020105368A1 (ja) |
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CN113484333B (zh) * | 2021-09-08 | 2021-12-14 | 苏州高视半导体技术有限公司 | 多层结构屏幕的异物缺陷区分方法、电子设备及存储介质 |
CN113628212B (zh) * | 2021-10-12 | 2022-03-11 | 高视科技(苏州)有限公司 | 不良偏光片识别方法、电子设备和存储介质 |
Citations (4)
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JP2001116703A (ja) * | 1999-10-21 | 2001-04-27 | M I L:Kk | 容器内浮遊物判別方法及びその装置 |
JP2007198761A (ja) * | 2006-01-24 | 2007-08-09 | Canon Chemicals Inc | 欠陥検出方法および装置 |
JP2009537022A (ja) * | 2006-05-12 | 2009-10-22 | コーニング インコーポレイテッド | 透明基板の欠陥の特性評価のための装置及び方法 |
JP2010249552A (ja) * | 2009-04-13 | 2010-11-04 | Central Glass Co Ltd | ガラス板の欠陥識別方法および装置 |
Family Cites Families (10)
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JPH07234187A (ja) * | 1994-02-24 | 1995-09-05 | G T C:Kk | ガラス基板の表面欠点検出方法およびその装置 |
JP2001208702A (ja) * | 2000-01-31 | 2001-08-03 | Nippon Sheet Glass Co Ltd | 欠点検査方法及び欠点検査装置 |
JP2008292273A (ja) * | 2007-05-24 | 2008-12-04 | Ushio Inc | パターン検査装置およびパターン検査方法 |
JP2010048745A (ja) * | 2008-08-25 | 2010-03-04 | Asahi Glass Co Ltd | 欠陥検査システムおよび欠陥検査方法 |
JP2011203132A (ja) * | 2010-03-25 | 2011-10-13 | Seiko Epson Corp | 外観検査装置 |
JP5806808B2 (ja) * | 2010-08-18 | 2015-11-10 | 倉敷紡績株式会社 | 撮像光学検査装置 |
KR101324015B1 (ko) * | 2011-08-18 | 2013-10-31 | 바슬러 비전 테크놀로지스 에이지 | 유리기판 표면 불량 검사 장치 및 검사 방법 |
FR2983583B1 (fr) * | 2011-12-02 | 2013-11-15 | Saint Gobain | Dispositif d'analyse des defauts d'aspect d'un substrat transparent |
JP2013152206A (ja) * | 2011-12-31 | 2013-08-08 | Shibaura Mechatronics Corp | 照明装置、照明方法及び検査装置 |
JP6296499B2 (ja) * | 2014-08-11 | 2018-03-20 | 株式会社 東京ウエルズ | 透明基板の外観検査装置および外観検査方法 |
-
2018
- 2018-11-21 JP JP2018218233A patent/JP2020085587A/ja active Pending
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2019
- 2019-10-25 CN CN201980074032.7A patent/CN113015901A/zh active Pending
- 2019-10-25 WO PCT/JP2019/041955 patent/WO2020105368A1/ja active Application Filing
- 2019-11-13 TW TW108141097A patent/TW202043760A/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001116703A (ja) * | 1999-10-21 | 2001-04-27 | M I L:Kk | 容器内浮遊物判別方法及びその装置 |
JP2007198761A (ja) * | 2006-01-24 | 2007-08-09 | Canon Chemicals Inc | 欠陥検出方法および装置 |
JP2009537022A (ja) * | 2006-05-12 | 2009-10-22 | コーニング インコーポレイテッド | 透明基板の欠陥の特性評価のための装置及び方法 |
JP2010249552A (ja) * | 2009-04-13 | 2010-11-04 | Central Glass Co Ltd | ガラス板の欠陥識別方法および装置 |
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Publication number | Publication date |
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WO2020105368A1 (ja) | 2020-05-28 |
TW202043760A (zh) | 2020-12-01 |
CN113015901A (zh) | 2021-06-22 |
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