JPS5754803A - Inspecting device for transparent pattern - Google Patents
Inspecting device for transparent patternInfo
- Publication number
- JPS5754803A JPS5754803A JP12919280A JP12919280A JPS5754803A JP S5754803 A JPS5754803 A JP S5754803A JP 12919280 A JP12919280 A JP 12919280A JP 12919280 A JP12919280 A JP 12919280A JP S5754803 A JPS5754803 A JP S5754803A
- Authority
- JP
- Japan
- Prior art keywords
- lights
- reflection
- transparent pattern
- incident
- light
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 abstract 3
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000011179 visual inspection Methods 0.000 abstract 1
Classifications
-
- 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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
PURPOSE:To enable to perform an easy and accurate visual inspection of a transparent pattern, by a method wherein a polarizing plate, which produces a P-polarized light, is located between at least either lights, wherewith a substrate is irradiated, or lights entering into eyes after reflection. CONSTITUTION:In case normal lights L are projected on an electrode plate 3, in which a transparent pattern 2 is formed on a glass substrate 1 to inspect the transparent pattern from the reflection light, a P-polarizing plate 4 is located between incident lights L8. If possible, the incident light phi enter at preferably 50-60 deg.. Reflection lights 6, into which the surface of the substrate itself reflects P-polarized lights to produce them, are remarkably reduced in an amount in comparision with that of reflection lights 7 which are pattern 2 reflects, and can be explicitly confirmed in a visual manner. The P-polarizing plates are mounted at both of the incident lights and the reflection lights to form an irradiation light source into a dispersion light source, and this improves a contrast and widens a range within which the eyes can move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12919280A JPS5754803A (en) | 1980-09-19 | 1980-09-19 | Inspecting device for transparent pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12919280A JPS5754803A (en) | 1980-09-19 | 1980-09-19 | Inspecting device for transparent pattern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5754803A true JPS5754803A (en) | 1982-04-01 |
Family
ID=15003413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12919280A Pending JPS5754803A (en) | 1980-09-19 | 1980-09-19 | Inspecting device for transparent pattern |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5754803A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60184308A (en) * | 1984-03-01 | 1985-09-19 | 株式会社クボタ | Automatic running work machine |
| JPS6131909A (en) * | 1984-07-25 | 1986-02-14 | Hitachi Ltd | Three-dimensional shape detection device and method for metal objects |
| JPS63187058A (en) * | 1987-01-27 | 1988-08-02 | 富士電機株式会社 | Refrigerator |
-
1980
- 1980-09-19 JP JP12919280A patent/JPS5754803A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60184308A (en) * | 1984-03-01 | 1985-09-19 | 株式会社クボタ | Automatic running work machine |
| JPS6131909A (en) * | 1984-07-25 | 1986-02-14 | Hitachi Ltd | Three-dimensional shape detection device and method for metal objects |
| JPS63187058A (en) * | 1987-01-27 | 1988-08-02 | 富士電機株式会社 | Refrigerator |
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