AU624136B2 - Process for determining the optical quality of flat glass or flat glass products - Google Patents
Process for determining the optical quality of flat glass or flat glass products Download PDFInfo
- Publication number
- AU624136B2 AU624136B2 AU34070/89A AU3407089A AU624136B2 AU 624136 B2 AU624136 B2 AU 624136B2 AU 34070/89 A AU34070/89 A AU 34070/89A AU 3407089 A AU3407089 A AU 3407089A AU 624136 B2 AU624136 B2 AU 624136B2
- Authority
- AU
- Australia
- Prior art keywords
- luminance
- glass plate
- process according
- signals
- basic
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 52
- 230000008569 process Effects 0.000 title claims description 48
- 230000003287 optical effect Effects 0.000 title claims description 21
- 239000005357 flat glass Substances 0.000 title claims description 17
- 239000011521 glass Substances 0.000 claims description 84
- 238000012545 processing Methods 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 230000009466 transformation Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000011156 evaluation Methods 0.000 claims description 8
- 230000001629 suppression Effects 0.000 claims description 7
- 238000012937 correction Methods 0.000 claims description 6
- 230000002452 interceptive effect Effects 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000002950 deficient Effects 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 239000012790 adhesive layer Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 235000019557 luminance Nutrition 0.000 description 63
- 239000005329 float glass Substances 0.000 description 17
- 238000004364 calculation method Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 241000392035 Oreas Species 0.000 description 1
- 238000006124 Pilkington process Methods 0.000 description 1
- 241000428533 Rhis Species 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012854 evaluation process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011158 quantitative evaluation Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- G01N21/87—Investigating jewels
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/21—Polarisation-affecting properties
- G01N21/23—Bi-refringence
Landscapes
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3816392 | 1988-05-13 | ||
| DE3816392A DE3816392A1 (de) | 1988-05-13 | 1988-05-13 | Verfahren zur bestimmung der optischen qualitaet von flachglas oder flachglasprodukten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU3407089A AU3407089A (en) | 1989-11-16 |
| AU624136B2 true AU624136B2 (en) | 1992-06-04 |
Family
ID=6354329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU34070/89A Ceased AU624136B2 (en) | 1988-05-13 | 1989-05-05 | Process for determining the optical quality of flat glass or flat glass products |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5016099A (enExample) |
| EP (1) | EP0342127B1 (enExample) |
| JP (1) | JP3115573B2 (enExample) |
| KR (1) | KR0159925B1 (enExample) |
| AU (1) | AU624136B2 (enExample) |
| BR (1) | BR8902226A (enExample) |
| CA (1) | CA1312377C (enExample) |
| DE (2) | DE3816392A1 (enExample) |
| ES (1) | ES2066005T3 (enExample) |
| FI (1) | FI96546C (enExample) |
| MX (1) | MX170606B (enExample) |
| NO (1) | NO180355C (enExample) |
| PT (1) | PT90555B (enExample) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2663744B1 (fr) * | 1990-06-25 | 1993-05-28 | Saint Gobain Vitrage Int | Procede et dispositif de mesure de la qualite optique d'un vitrage. |
| DE4035168A1 (de) * | 1990-11-06 | 1992-05-07 | Flachglas Ag | Verfahren und vorrichtung zur bestimmung der optischen qualitaet einer transparenten platte |
| DE4128856A1 (de) * | 1991-08-30 | 1993-03-04 | Deutsche Aerospace | Verfahren und einrichtung zur pruefung von reagenzroehrchen auf herstellungsfehler |
| DE4229384C2 (de) * | 1991-09-16 | 1997-08-21 | Peter Lisec | Anordnung zum Überprüfen der Versiegelung einer Isolierglasscheibe |
| WO1993012615A1 (en) * | 1991-12-19 | 1993-06-24 | The United States Of America, Represented By The Secretary, United States Department Of Commerce | Method and apparatus for assessment of surface smoothness using reflected energy |
| FR2688310A1 (fr) * | 1992-03-03 | 1993-09-10 | Saint Gobain Vitrage Int | Procede et dispositif de controle de la transparence d'un vitrage feuillete. |
| US5460034A (en) * | 1992-07-21 | 1995-10-24 | The United States Of America As Represented By The Secretary Of The Air Force | Method for measuring and analyzing surface roughness on semiconductor laser etched facets |
| FR2697086B1 (fr) * | 1992-10-20 | 1994-12-09 | Thomson Csf | Procédé et dispositif d'inspection de matériau transparent. |
| FR2720831B3 (fr) | 1994-06-02 | 1996-07-12 | Saint Gobain Vitrage | Procédé de mesure de la qualité optique d'un vitrage. |
| DE4434475C2 (de) * | 1994-09-27 | 1998-05-28 | Basler Gmbh | Verfahren und Vorrichtung zur Qualitätskontrolle eines Gegenstandes, insbesondere einer Compact-Disc |
| EP0718624A3 (en) * | 1994-12-19 | 1997-07-30 | At & T Corp | Device and method for illuminating transparent and semi-transparent materials |
| SE9501559L (sv) * | 1995-04-27 | 1996-10-28 | Ind Vision Systems Ab | Förfarande och anordning för optisk besiktning av åtminstone en linjeföljd av strängar, särskilt av lim |
| DE19533041A1 (de) * | 1995-09-07 | 1997-03-13 | Laser Sorter Gmbh | Verfahren zur Detektierung von optisch ablenkenden Fehlern in transparenten Materialien |
| DE19533043A1 (de) * | 1995-09-07 | 1997-03-13 | Laser Sorter Gmbh | Verfahren zur Sichtbarmachung von optisch verformenden Fehlern |
| JPH09199551A (ja) * | 1996-01-12 | 1997-07-31 | Mitsubishi Electric Corp | インライン検査用検査データ解析処理装置 |
| US5726749A (en) * | 1996-09-20 | 1998-03-10 | Libbey-Owens-Ford Co. | Method and apparatus for inspection and evaluation of angular deviation and distortion defects for transparent sheets |
| US5724140A (en) * | 1996-10-28 | 1998-03-03 | Ford Motor Company | Method and apparatus for determining the quality of flat glass sheet |
| IL119850A (en) * | 1996-12-17 | 2000-11-21 | Prolaser Ltd | Optical method and apparatus for detecting low frequency defects |
| US6064429A (en) * | 1997-08-18 | 2000-05-16 | Mcdonnell Douglas Corporation | Foreign object video detection and alert system and method |
| US6115118A (en) * | 1997-08-25 | 2000-09-05 | Northstar Automotive Glass, Inc. | Vehicle windshield scanning system |
| WO1999042807A1 (en) * | 1998-02-19 | 1999-08-26 | Asahi Glass Company Ltd. | Plate glass shatter testing method, device, imaging method for glass testing and image signal processing method |
| JP3544323B2 (ja) | 1998-08-31 | 2004-07-21 | セントラル硝子株式会社 | 透明板の表面粗さ検査方法および装置 |
| AU2000274686A1 (en) * | 2000-08-09 | 2002-02-18 | Turkiye Sise Ve Cam Fabrikalari A.S. | Method and apparatus for imaging inhomogeneity in a transparent solid medium |
| WO2002018980A2 (en) * | 2000-09-01 | 2002-03-07 | Applied Process Technologies | Optical system for imaging distortions in moving reflective sheets |
| US7171033B2 (en) * | 2001-03-28 | 2007-01-30 | The Boeing Company | System and method for identifying defects in a composite structure |
| DE10203595A1 (de) * | 2002-01-30 | 2003-08-21 | Intego Gmbh | Erkennung von Fehlstellen in transparenten Stücken |
| US6871684B2 (en) | 2002-08-13 | 2005-03-29 | The Boeing Company | System for identifying defects in a composite structure |
| JP4072466B2 (ja) | 2002-12-27 | 2008-04-09 | 日本板硝子株式会社 | 板状体の光学的歪みを評価する装置および方法 |
| US7142295B2 (en) * | 2003-03-05 | 2006-11-28 | Corning Incorporated | Inspection of transparent substrates for defects |
| DE102004027411A1 (de) * | 2004-06-04 | 2005-12-29 | Boraglas Gmbh | Verfahren und Vorrichtung zur Identifizierung von Zinn- und Feuerseite bei Floatgläsern |
| GB2415776B (en) * | 2004-06-28 | 2009-01-28 | Carglass Luxembourg Sarl Zug | Investigation of vehicle glazing panels |
| US20060108048A1 (en) * | 2004-11-24 | 2006-05-25 | The Boeing Company | In-process vision detection of flaws and fod by back field illumination |
| US7424902B2 (en) | 2004-11-24 | 2008-09-16 | The Boeing Company | In-process vision detection of flaw and FOD characteristics |
| DE102006051538B4 (de) * | 2006-10-27 | 2009-04-09 | Schott Ag | Verfahren und Vorrichtung zur Bestimmung der Waviness von Glasscheiben |
| US8174690B2 (en) * | 2007-05-11 | 2012-05-08 | Argos Solutions As | Apparatus for characterizing a surface structure |
| FR2964473B1 (fr) | 2010-09-03 | 2012-08-17 | Saint Gobain | Vitrage multiple a diffusion variable par cristaux liquides, son procede de fabrication |
| DE102010048804A1 (de) | 2010-10-20 | 2012-04-26 | Soft Control Gmbh Automatisierungstechnik | Verfahren zur automatischen Prüfung von halbtransparenten Objekten, insbesondere Waffeln, mit einer Kamera |
| FR2974414B1 (fr) * | 2011-04-22 | 2013-04-12 | Saint Gobain | Procede d'analyse de la qualite d'un vitrage |
| DE102011109793B4 (de) * | 2011-08-08 | 2014-12-04 | Grenzbach Maschinenbau Gmbh | Verfahren und Vorrichtung zur sicheren Detektion von Materialfehlern in transparenten Werkstoffen |
| FR2985327B1 (fr) | 2011-12-29 | 2013-12-20 | Saint Gobain | Vitrage multiple a diffusion variable par cristaux liquides, son procede de fabrication |
| US8836934B1 (en) * | 2012-05-15 | 2014-09-16 | The Boeing Company | Contamination identification system |
| JP2016085034A (ja) * | 2013-02-19 | 2016-05-19 | 旭硝子株式会社 | 透明板状体表面検査用撮像システム |
| CN105865364A (zh) * | 2016-05-13 | 2016-08-17 | 信义电子玻璃（芜湖）有限公司 | 浮法玻璃的检测装置及检测方法 |
| FR3078161B1 (fr) | 2018-02-22 | 2020-03-27 | Saint-Gobain Glass France | Methode de simulation de la puissance optique d'un verre feuillete |
| FR3090088B1 (fr) | 2018-12-12 | 2021-06-18 | Saint Gobain | Procédé de mesure des écarts géométriques entre les surfaces incurvées d'une pluralité de matériaux à évaluer et une surface incurvée d’un matériau de référence |
| FR3101420B1 (fr) | 2019-09-30 | 2023-12-29 | Saint Gobain | Méthode d’évaluation de la qualité optique d’une zone délimitée d’un vitrage |
| DE102020133397B4 (de) | 2020-12-14 | 2024-09-05 | Isra Vision Gmbh | Vorrichtung zur Inspektion der Oberfläche eines transparenten Gegenstands sowie entsprechendes Verfahren |
| CN113189002B (zh) * | 2021-03-31 | 2023-01-13 | 彩虹显示器件股份有限公司 | 一种超薄电子玻璃基板条纹缺陷的在线检测方法和装置 |
| EP4092409A1 (en) | 2021-05-20 | 2022-11-23 | Saint-Gobain Glass France | Method for detecting optical defects within windshield |
| DE102023106477A1 (de) * | 2023-03-15 | 2024-09-19 | Isra Vision Gmbh | Verfahren und Vorrichtung zur Bestimmung der Brechkraft eines optisch transparenten Objekts |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3877814A (en) * | 1973-02-07 | 1975-04-15 | Ppg Industries Inc | Method of and apparatus for detecting concave and convex portions in a specular surface |
| US4647197A (en) * | 1983-01-12 | 1987-03-03 | Nippon Sheet Glass Co., Ltd. | Distortion inspection apparatus of a glass plate |
| US4724481A (en) * | 1985-12-13 | 1988-02-09 | Futec Inc. | Flaw detector for detecting flaws in a sheet |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2182254A5 (enExample) * | 1972-04-24 | 1973-12-07 | Saint Gobain Pont A Mousson | |
| GB1496765A (en) * | 1974-12-19 | 1978-01-05 | Ciba Geigy Ag | Examining sheet material photoelectrically |
| US4005281A (en) * | 1975-05-14 | 1977-01-25 | E. I. Du Pont De Nemours And Company | Defect identification with normalizing of gain function in optical-electrical inspection |
| DE2611539C3 (de) * | 1976-03-18 | 1982-09-09 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zum Erkennen und Orten von sich in Längsrichtung einer laufenden Materialbahn erstreckenden Fehlern |
| JPS5312380A (en) * | 1976-07-20 | 1978-02-03 | Nippon Steel Corp | Detecting method for steel plate surface irregularity in zm*vwymuw_v oovteel plate surface irregularity in rolled steel plate surface inspecting system |
| US4304744A (en) * | 1979-06-11 | 1981-12-08 | W. R. Grace & Co. | Method of forming sealing gaskets in container closures |
| FR2500630A1 (fr) * | 1981-02-25 | 1982-08-27 | Leser Jacques | Procede pour la recherche des defauts des feuilles de verre et dispositif mettant en oeuvre ce procede |
| JPS5853740A (ja) * | 1981-09-28 | 1983-03-30 | Nippon Sheet Glass Co Ltd | 被検査物搬送装置 |
| US4853777A (en) * | 1987-07-07 | 1989-08-01 | Ashland Oil, Inc. | Method for evaluating smooth surfaces |
-
1988
- 1988-05-13 DE DE3816392A patent/DE3816392A1/de active Granted
-
1989
- 1989-05-05 AU AU34070/89A patent/AU624136B2/en not_active Ceased
- 1989-05-10 US US07/349,692 patent/US5016099A/en not_active Expired - Lifetime
- 1989-05-10 NO NO891912A patent/NO180355C/no unknown
- 1989-05-10 CA CA000599319A patent/CA1312377C/fr not_active Expired - Fee Related
- 1989-05-12 FI FI892313A patent/FI96546C/fi not_active IP Right Cessation
- 1989-05-12 EP EP89401326A patent/EP0342127B1/fr not_active Expired - Lifetime
- 1989-05-12 JP JP01117643A patent/JP3115573B2/ja not_active Expired - Fee Related
- 1989-05-12 MX MX016023A patent/MX170606B/es unknown
- 1989-05-12 PT PT90555A patent/PT90555B/pt not_active IP Right Cessation
- 1989-05-12 BR BR898902226A patent/BR8902226A/pt not_active IP Right Cessation
- 1989-05-12 DE DE68919120T patent/DE68919120T2/de not_active Expired - Fee Related
- 1989-05-12 ES ES89401326T patent/ES2066005T3/es not_active Expired - Lifetime
- 1989-05-13 KR KR1019890006401A patent/KR0159925B1/ko not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3877814A (en) * | 1973-02-07 | 1975-04-15 | Ppg Industries Inc | Method of and apparatus for detecting concave and convex portions in a specular surface |
| US4647197A (en) * | 1983-01-12 | 1987-03-03 | Nippon Sheet Glass Co., Ltd. | Distortion inspection apparatus of a glass plate |
| US4724481A (en) * | 1985-12-13 | 1988-02-09 | Futec Inc. | Flaw detector for detecting flaws in a sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| NO180355B (no) | 1996-12-23 |
| FI96546B (fi) | 1996-03-29 |
| DE68919120T2 (de) | 1995-05-18 |
| PT90555A (pt) | 1989-11-30 |
| AU3407089A (en) | 1989-11-16 |
| DE3816392A1 (de) | 1989-11-23 |
| KR890017561A (ko) | 1989-12-16 |
| CA1312377C (fr) | 1993-01-05 |
| NO891912D0 (no) | 1989-05-10 |
| DE68919120D1 (de) | 1994-12-08 |
| FI892313A0 (fi) | 1989-05-12 |
| US5016099A (en) | 1991-05-14 |
| DE3816392C2 (enExample) | 1992-03-19 |
| JP3115573B2 (ja) | 2000-12-11 |
| MX170606B (es) | 1993-09-01 |
| ES2066005T3 (es) | 1995-03-01 |
| FI892313L (fi) | 1989-11-14 |
| KR0159925B1 (ko) | 1999-03-30 |
| NO180355C (no) | 1997-04-02 |
| EP0342127A3 (fr) | 1991-01-09 |
| NO891912L (no) | 1989-11-14 |
| JPH0273140A (ja) | 1990-03-13 |
| BR8902226A (pt) | 1990-01-02 |
| FI96546C (fi) | 1996-07-10 |
| PT90555B (pt) | 1994-10-31 |
| EP0342127B1 (fr) | 1994-11-02 |
| EP0342127A2 (fr) | 1989-11-15 |
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