JPH045940B2 - - Google Patents
Info
- Publication number
- JPH045940B2 JPH045940B2 JP57062435A JP6243582A JPH045940B2 JP H045940 B2 JPH045940 B2 JP H045940B2 JP 57062435 A JP57062435 A JP 57062435A JP 6243582 A JP6243582 A JP 6243582A JP H045940 B2 JPH045940 B2 JP H045940B2
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- defect
- signal
- circuit
- 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.)
- Expired - Lifetime
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
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative 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)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Image Input (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57062435A JPS58180933A (ja) | 1982-04-16 | 1982-04-16 | パタ−ン欠陥検査装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57062435A JPS58180933A (ja) | 1982-04-16 | 1982-04-16 | パタ−ン欠陥検査装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58180933A JPS58180933A (ja) | 1983-10-22 |
JPH045940B2 true JPH045940B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-02-04 |
Family
ID=13200099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57062435A Granted JPS58180933A (ja) | 1982-04-16 | 1982-04-16 | パタ−ン欠陥検査装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58180933A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01239439A (ja) * | 1988-03-18 | 1989-09-25 | Fuji Photo Film Co Ltd | 表面検査装置 |
JP6408654B1 (ja) * | 2017-06-16 | 2018-10-17 | 株式会社オプトン | 検査装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS525543A (en) * | 1975-07-02 | 1977-01-17 | Canon Inc | Optical scanning device |
JPS5327477A (en) * | 1976-08-26 | 1978-03-14 | Agency Of Ind Science & Technol | Defect detection of material su rface |
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1982
- 1982-04-16 JP JP57062435A patent/JPS58180933A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58180933A (ja) | 1983-10-22 |