DE69830323D1 - Vorrichtung und verfahren zur bestimmung der optischen verzerrung eines transparenten substrats - Google Patents

Vorrichtung und verfahren zur bestimmung der optischen verzerrung eines transparenten substrats

Info

Publication number
DE69830323D1
DE69830323D1 DE69830323T DE69830323T DE69830323D1 DE 69830323 D1 DE69830323 D1 DE 69830323D1 DE 69830323 T DE69830323 T DE 69830323T DE 69830323 T DE69830323 T DE 69830323T DE 69830323 D1 DE69830323 D1 DE 69830323D1
Authority
DE
Germany
Prior art keywords
determining
transparent substrate
optical distortion
distortion
optical
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.)
Expired - Lifetime
Application number
DE69830323T
Other languages
English (en)
Other versions
DE69830323T2 (de
Inventor
Valadez Gerardo Hermosillo
Farias Daniel Jimenez
Ortiz Alejandra Ramirez
Garza Nancy Gutierrez
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.)
IP VITRO VIDRIO Y CHRISTAL Ltd
Original Assignee
IP VITRO VIDRIO Y CHRISTAL Ltd
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 IP VITRO VIDRIO Y CHRISTAL Ltd filed Critical IP VITRO VIDRIO Y CHRISTAL Ltd
Application granted granted Critical
Publication of DE69830323D1 publication Critical patent/DE69830323D1/de
Publication of DE69830323T2 publication Critical patent/DE69830323T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G01N21/88—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
DE69830323T 1997-09-03 1998-09-03 Vorrichtung und verfahren zur bestimmung der optischen verzerrung eines transparenten substrats Expired - Lifetime DE69830323T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/922,660 US5880843A (en) 1997-09-03 1997-09-03 Apparatus and method for determining the optical distortion of a transparent substrate
PCT/MX1998/000042 WO1999012022A1 (es) 1997-09-03 1998-09-03 Aparato y metodo para determinar la distorsion optica de un substrato transparente
US922660 2001-08-06

Publications (2)

Publication Number Publication Date
DE69830323D1 true DE69830323D1 (de) 2005-06-30
DE69830323T2 DE69830323T2 (de) 2005-11-17

Family

ID=25447401

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69830323T Expired - Lifetime DE69830323T2 (de) 1997-09-03 1998-09-03 Vorrichtung und verfahren zur bestimmung der optischen verzerrung eines transparenten substrats

Country Status (5)

Country Link
US (1) US5880843A (de)
EP (1) EP1020719B1 (de)
DE (1) DE69830323T2 (de)
ES (1) ES2239404T3 (de)
WO (1) WO1999012022A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001288641A1 (en) * 2000-09-01 2002-03-13 Mark M. Abbott Optical system for imaging distortions in moving reflective sheets
US6909502B2 (en) * 2001-12-27 2005-06-21 General Electric Method and apparatus for measuring ripple and distortion in a transparent material
CN1756948B (zh) * 2003-02-28 2010-05-26 皇家飞利浦电子股份有限公司 用于检查表面的散射计和方法
US7142295B2 (en) * 2003-03-05 2006-11-28 Corning Incorporated Inspection of transparent substrates for defects
CN1326019C (zh) * 2003-12-05 2007-07-11 培新科技股份有限公司 光学信号影像撷取方法
US7345772B2 (en) * 2004-08-06 2008-03-18 Voith Paper Patent Gmbh Optical triangulation device and method of measuring a variable of a web using the device
US7339664B2 (en) 2004-09-29 2008-03-04 General Electric Company System and method for inspecting a light-management film and method of making the light-management film
JPWO2008149712A1 (ja) * 2007-06-01 2010-08-26 国立大学法人 宮崎大学 歪検査装置、及び歪検査方法
EP2578990B1 (de) 2010-06-07 2022-07-20 AGC Inc. Formmessvorrichtung, formmessverfahren und verfahren zur herstellung einer glasplatte
EP2584306B1 (de) 2010-06-15 2019-01-16 AGC Inc. Formmessvorrichtung, formmessverfahren und verfahren zur herstellung einer glasplatte
KR102580487B1 (ko) * 2018-06-18 2023-09-21 주식회사 케이씨텍 패드 모니터링 장치 및 이를 포함하는 패드 모니터링 시스템, 패드 모니터링 방법
WO2020049971A1 (ja) * 2018-09-06 2020-03-12 日立オートモティブシステムズ株式会社 表面測定方法、部品の製造方法、部品の検査方法および部品の測定装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799679A (en) * 1972-06-27 1974-03-26 Ppg Industries Inc Glass distortion scanning system
US3788750A (en) * 1972-12-06 1974-01-29 Libbey Owens Ford Co Inspecting glass
US3857637A (en) * 1973-01-10 1974-12-31 Ppg Industries Inc Surface distortion analyzer
US3792930A (en) * 1973-05-31 1974-02-19 Ppg Industries Inc System for determining the nature of optical distortion in glass
US4272190A (en) * 1978-08-14 1981-06-09 Typalogics Optical measuring system
US4453827A (en) * 1981-08-28 1984-06-12 The United States Of America As Represented By The Secretary Of The Air Force Optical distortion analyzer system
US4585343A (en) * 1983-11-04 1986-04-29 Libbey-Owens-Ford Company Apparatus and method for inspecting glass
US4645337A (en) * 1984-10-31 1987-02-24 Ppg Industries, Inc. System for detecting variations in surface composition of an article
US5206700A (en) * 1985-03-14 1993-04-27 Diffracto, Ltd. Methods and apparatus for retroreflective surface inspection and distortion measurement
FR2591341B1 (fr) * 1985-12-10 1988-02-19 Saint Gobain Vitrage Technique de detection de defauts optiques sur ligne de production de verre
DE4035168A1 (de) * 1990-11-06 1992-05-07 Flachglas Ag Verfahren und vorrichtung zur bestimmung der optischen qualitaet einer transparenten platte
US5251010A (en) * 1991-06-07 1993-10-05 Glasstech, Inc. Optical roller wave gauge
FR2681429B1 (fr) * 1991-09-13 1995-05-24 Thomson Csf Procede et dispositif d'inspection du verre.
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

Also Published As

Publication number Publication date
DE69830323T2 (de) 2005-11-17
WO1999012022A1 (es) 1999-03-11
EP1020719B1 (de) 2005-05-25
EP1020719A1 (de) 2000-07-19
ES2239404T3 (es) 2005-09-16
US5880843A (en) 1999-03-09

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8364 No opposition during term of opposition