JPH022098B2 - - Google Patents
Info
- Publication number
- JPH022098B2 JPH022098B2 JP12001079A JP12001079A JPH022098B2 JP H022098 B2 JPH022098 B2 JP H022098B2 JP 12001079 A JP12001079 A JP 12001079A JP 12001079 A JP12001079 A JP 12001079A JP H022098 B2 JPH022098 B2 JP H022098B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- sheet
- defects
- spot
- shielding
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 18
- 230000007547 defect Effects 0.000 description 62
- 239000000463 material Substances 0.000 description 27
- 230000003287 optical effect Effects 0.000 description 15
- 230000035945 sensitivity Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 241000251468 Actinopterygii Species 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005245 sintering Methods 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
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)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12001079A JPS5644830A (en) | 1979-09-20 | 1979-09-20 | Defect detection system of sheet type material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12001079A JPS5644830A (en) | 1979-09-20 | 1979-09-20 | Defect detection system of sheet type material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5644830A JPS5644830A (en) | 1981-04-24 |
| JPH022098B2 true JPH022098B2 (enrdf_load_stackoverflow) | 1990-01-16 |
Family
ID=14775661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12001079A Granted JPS5644830A (en) | 1979-09-20 | 1979-09-20 | Defect detection system of sheet type material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5644830A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH073497U (ja) * | 1993-06-29 | 1995-01-20 | 株式会社イナックス | 健康チェックトイレルーム |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58166066A (ja) * | 1982-03-26 | 1983-10-01 | Fujitsu Ltd | プリントヘツド |
| JPS58196137U (ja) * | 1982-06-24 | 1983-12-27 | 株式会社精工舎 | 印字ハンマの先端ガイド装置 |
-
1979
- 1979-09-20 JP JP12001079A patent/JPS5644830A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH073497U (ja) * | 1993-06-29 | 1995-01-20 | 株式会社イナックス | 健康チェックトイレルーム |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5644830A (en) | 1981-04-24 |
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