BE620524A - - Google Patents
Info
- Publication number
- BE620524A BE620524A BE620524DA BE620524A BE 620524 A BE620524 A BE 620524A BE 620524D A BE620524D A BE 620524DA BE 620524 A BE620524 A BE 620524A
- Authority
- BE
- Belgium
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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/0004—Microscopes specially adapted for specific applications
- G02B21/0016—Technical microscopes, e.g. for inspection or measuring in industrial production processes
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Eye Examination Apparatus (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0075240 | 1961-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE620524A true BE620524A (fr) |
Family
ID=7505228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE620524D BE620524A (fr) | 1961-08-09 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE620524A (fr) |
| CH (1) | CH406655A (fr) |
| FR (1) | FR1329272A (fr) |
| GB (1) | GB971276A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1583692A (fr) * | 1968-02-16 | 1969-11-28 | ||
| US3744917A (en) * | 1971-05-14 | 1973-07-10 | Symbionics Inc | Optical comparison device using an optical diffuser |
-
0
- BE BE620524D patent/BE620524A/xx unknown
-
1962
- 1962-07-05 GB GB2587862A patent/GB971276A/en not_active Expired
- 1962-07-11 CH CH824562A patent/CH406655A/de unknown
- 1962-07-19 FR FR7469A patent/FR1329272A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1423598A1 (de) | 1969-01-30 |
| GB971276A (en) | 1964-09-30 |
| FR1329272A (fr) | 1963-06-07 |
| DE1423598B2 (de) | 1971-08-12 |
| CH406655A (de) | 1966-01-31 |