JPH0511573B2 - - Google Patents
Info
- Publication number
- JPH0511573B2 JPH0511573B2 JP60018151A JP1815185A JPH0511573B2 JP H0511573 B2 JPH0511573 B2 JP H0511573B2 JP 60018151 A JP60018151 A JP 60018151A JP 1815185 A JP1815185 A JP 1815185A JP H0511573 B2 JPH0511573 B2 JP H0511573B2
- Authority
- JP
- Japan
- Prior art keywords
- transparent
- plate
- line array
- imaging device
- circuit
- 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
Links
- 238000003384 imaging method Methods 0.000 claims description 26
- 230000007547 defect Effects 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 9
- 230000001788 irregular Effects 0.000 claims description 6
- 230000002950 deficient Effects 0.000 description 23
- 238000003491 array Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000000994 depressogenic effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 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
- G01N21/88—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
- G01N21/8901—Optical details; Scanning details
- G01N21/8903—Optical details; Scanning details using a multiple detector array
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1815185A JPS61176838A (ja) | 1985-01-31 | 1985-01-31 | 透明または半透明の板状体の欠点検査方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1815185A JPS61176838A (ja) | 1985-01-31 | 1985-01-31 | 透明または半透明の板状体の欠点検査方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61176838A JPS61176838A (ja) | 1986-08-08 |
JPH0511573B2 true JPH0511573B2 (fr) | 1993-02-15 |
Family
ID=11963609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1815185A Granted JPS61176838A (ja) | 1985-01-31 | 1985-01-31 | 透明または半透明の板状体の欠点検査方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61176838A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000018922A (ja) * | 1998-07-02 | 2000-01-21 | Toshiba Eng Co Ltd | 厚み欠陥検査装置及びその検査方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0750038B2 (ja) * | 1990-10-04 | 1995-05-31 | 三井東圧化学株式会社 | プラスチックフィルムのシースルー特性の測定方法 |
JP2795595B2 (ja) * | 1992-06-26 | 1998-09-10 | セントラル硝子株式会社 | 透明板状体の欠点検出方法 |
JP3178644B2 (ja) * | 1995-02-10 | 2001-06-25 | セントラル硝子株式会社 | 透明板状体の欠点検出方法 |
JP3806557B2 (ja) * | 1999-10-25 | 2006-08-09 | トタニ技研工業株式会社 | プラスチックフィルムのヒートシール位置検出装置 |
JP4650096B2 (ja) * | 2005-05-20 | 2011-03-16 | 凸版印刷株式会社 | 塗布ムラ検査方法及びそのプログラム |
CN102334025A (zh) * | 2009-04-09 | 2012-01-25 | 旭硝子株式会社 | 透光性板状物的拉引线道检测方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48102653A (fr) * | 1972-04-10 | 1973-12-24 |
-
1985
- 1985-01-31 JP JP1815185A patent/JPS61176838A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48102653A (fr) * | 1972-04-10 | 1973-12-24 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000018922A (ja) * | 1998-07-02 | 2000-01-21 | Toshiba Eng Co Ltd | 厚み欠陥検査装置及びその検査方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS61176838A (ja) | 1986-08-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4223346A (en) | Automatic defect detecting inspection apparatus | |
JP2795595B2 (ja) | 透明板状体の欠点検出方法 | |
JP3178644B2 (ja) | 透明板状体の欠点検出方法 | |
US5118195A (en) | Area scan camera system for detecting streaks and scratches | |
JPH08278257A (ja) | 移動体検査方法 | |
JPH03267745A (ja) | 表面性状検出方法 | |
JPS62138740A (ja) | シ−ト面の欠陥検出方法 | |
EP0627069B1 (fr) | Procede et dispositif servant a mesurer la forme de la surface d'un objet | |
JP4362335B2 (ja) | 検査装置 | |
JP3105702B2 (ja) | 光学式欠陥検査装置 | |
JPH0511573B2 (fr) | ||
JPH0511574B2 (fr) | ||
JPH10185830A (ja) | 透明シート検査装置 | |
JPS647549B2 (fr) | ||
JPH01227910A (ja) | 光学検査装置 | |
JPS598988B2 (ja) | 物体の検査装置 | |
JPS61254809A (ja) | 形状不良検出装置 | |
JP2911619B2 (ja) | 周期性パターンの表面欠陥検査方法および装置 | |
JP3340879B2 (ja) | 表面欠陥検出方法および装置 | |
JPH01214743A (ja) | 光学検査装置 | |
JPH03111707A (ja) | 物体形状検出方法 | |
Asundi et al. | Automated visual inspection of moving objects | |
JPS61181948A (ja) | 透明または半透明の板状体の欠点検査方法 | |
JPH052424B2 (fr) | ||
JPH0412256A (ja) | 鏡面検査装置 |