JPS5999215A - 物体の表面高さ測定装置 - Google Patents
物体の表面高さ測定装置Info
- Publication number
- JPS5999215A JPS5999215A JP20828782A JP20828782A JPS5999215A JP S5999215 A JPS5999215 A JP S5999215A JP 20828782 A JP20828782 A JP 20828782A JP 20828782 A JP20828782 A JP 20828782A JP S5999215 A JPS5999215 A JP S5999215A
- Authority
- JP
- Japan
- Prior art keywords
- light
- bright
- image
- dark images
- height
- 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.)
- Granted
Links
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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20828782A JPS5999215A (ja) | 1982-11-27 | 1982-11-27 | 物体の表面高さ測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20828782A JPS5999215A (ja) | 1982-11-27 | 1982-11-27 | 物体の表面高さ測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5999215A true JPS5999215A (ja) | 1984-06-07 |
JPS6253049B2 JPS6253049B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-11-09 |
Family
ID=16553745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20828782A Granted JPS5999215A (ja) | 1982-11-27 | 1982-11-27 | 物体の表面高さ測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5999215A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6174338A (ja) * | 1984-09-20 | 1986-04-16 | Hitachi Ltd | 縮小投影露光装置およびその方法 |
JPS6266112A (ja) * | 1985-09-19 | 1987-03-25 | Tokyo Optical Co Ltd | 位置検出装置 |
-
1982
- 1982-11-27 JP JP20828782A patent/JPS5999215A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6174338A (ja) * | 1984-09-20 | 1986-04-16 | Hitachi Ltd | 縮小投影露光装置およびその方法 |
JPS6266112A (ja) * | 1985-09-19 | 1987-03-25 | Tokyo Optical Co Ltd | 位置検出装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6253049B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-11-09 |