JPS5887530A - 規則性パタ−ンの欠陥検査装置 - Google Patents
規則性パタ−ンの欠陥検査装置Info
- Publication number
- JPS5887530A JPS5887530A JP56186738A JP18673881A JPS5887530A JP S5887530 A JPS5887530 A JP S5887530A JP 56186738 A JP56186738 A JP 56186738A JP 18673881 A JP18673881 A JP 18673881A JP S5887530 A JPS5887530 A JP S5887530A
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- defect
- array
- photodetector
- inspected
- 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
- 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
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95623—Inspecting patterns on the surface of objects using a spatial filtering method
Landscapes
- 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)
- Preparing Plates And Mask In Photomechanical Process (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56186738A JPS5887530A (ja) | 1981-11-20 | 1981-11-20 | 規則性パタ−ンの欠陥検査装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56186738A JPS5887530A (ja) | 1981-11-20 | 1981-11-20 | 規則性パタ−ンの欠陥検査装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5887530A true JPS5887530A (ja) | 1983-05-25 |
JPS6410043B2 JPS6410043B2 (enrdf_load_stackoverflow) | 1989-02-21 |
Family
ID=16193779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56186738A Granted JPS5887530A (ja) | 1981-11-20 | 1981-11-20 | 規則性パタ−ンの欠陥検査装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5887530A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61179040U (enrdf_load_stackoverflow) * | 1985-04-26 | 1986-11-08 | ||
JPH01158308A (ja) * | 1987-06-08 | 1989-06-21 | Insyst Inc | 欠陥検査方法及び装置 |
-
1981
- 1981-11-20 JP JP56186738A patent/JPS5887530A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61179040U (enrdf_load_stackoverflow) * | 1985-04-26 | 1986-11-08 | ||
JPH01158308A (ja) * | 1987-06-08 | 1989-06-21 | Insyst Inc | 欠陥検査方法及び装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6410043B2 (enrdf_load_stackoverflow) | 1989-02-21 |
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