JPS6131911A - 表面検査装置 - Google Patents
表面検査装置Info
- Publication number
- JPS6131911A JPS6131911A JP15317484A JP15317484A JPS6131911A JP S6131911 A JPS6131911 A JP S6131911A JP 15317484 A JP15317484 A JP 15317484A JP 15317484 A JP15317484 A JP 15317484A JP S6131911 A JPS6131911 A JP S6131911A
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical path
- lens
- measured
- reflected 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.)
- 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
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
- G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means
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 |
---|---|---|---|
JP15317484A JPS6131911A (ja) | 1984-07-25 | 1984-07-25 | 表面検査装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15317484A JPS6131911A (ja) | 1984-07-25 | 1984-07-25 | 表面検査装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6131911A true JPS6131911A (ja) | 1986-02-14 |
JPH047807B2 JPH047807B2 (enrdf_load_html_response) | 1992-02-13 |
Family
ID=15556668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15317484A Granted JPS6131911A (ja) | 1984-07-25 | 1984-07-25 | 表面検査装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6131911A (enrdf_load_html_response) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57211506A (en) * | 1981-06-24 | 1982-12-25 | Hitachi Ltd | Non-contact type measuring device for shape of surface |
JPS5858740A (ja) * | 1981-10-02 | 1983-04-07 | Mitsubishi Electric Corp | 半導体ウエハのそり測定装置 |
-
1984
- 1984-07-25 JP JP15317484A patent/JPS6131911A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57211506A (en) * | 1981-06-24 | 1982-12-25 | Hitachi Ltd | Non-contact type measuring device for shape of surface |
JPS5858740A (ja) * | 1981-10-02 | 1983-04-07 | Mitsubishi Electric Corp | 半導体ウエハのそり測定装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH047807B2 (enrdf_load_html_response) | 1992-02-13 |
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