FR2589578B1 - METHOD AND DEVICE FOR OPTICAL CONTROL BY REFLECTION OF A SEMI-TRANSPARENT MATERIAL OR COMPONENT - Google Patents
METHOD AND DEVICE FOR OPTICAL CONTROL BY REFLECTION OF A SEMI-TRANSPARENT MATERIAL OR COMPONENTInfo
- Publication number
- FR2589578B1 FR2589578B1 FR8516385A FR8516385A FR2589578B1 FR 2589578 B1 FR2589578 B1 FR 2589578B1 FR 8516385 A FR8516385 A FR 8516385A FR 8516385 A FR8516385 A FR 8516385A FR 2589578 B1 FR2589578 B1 FR 2589578B1
- Authority
- FR
- France
- Prior art keywords
- reflection
- semi
- component
- transparent material
- optical control
- 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
Links
- 230000003287 optical effect Effects 0.000 title 1
- 239000012780 transparent material Substances 0.000 title 1
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
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
-
- 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
- G01N21/8422—Investigating thin films, e.g. matrix isolation method
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8516385A FR2589578B1 (en) | 1985-11-05 | 1985-11-05 | METHOD AND DEVICE FOR OPTICAL CONTROL BY REFLECTION OF A SEMI-TRANSPARENT MATERIAL OR COMPONENT |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8516385A FR2589578B1 (en) | 1985-11-05 | 1985-11-05 | METHOD AND DEVICE FOR OPTICAL CONTROL BY REFLECTION OF A SEMI-TRANSPARENT MATERIAL OR COMPONENT |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2589578A1 FR2589578A1 (en) | 1987-05-07 |
FR2589578B1 true FR2589578B1 (en) | 1988-02-05 |
Family
ID=9324519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8516385A Expired FR2589578B1 (en) | 1985-11-05 | 1985-11-05 | METHOD AND DEVICE FOR OPTICAL CONTROL BY REFLECTION OF A SEMI-TRANSPARENT MATERIAL OR COMPONENT |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2589578B1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5289266A (en) * | 1989-08-14 | 1994-02-22 | Hughes Aircraft Company | Noncontact, on-line determination of phosphate layer thickness and composition of a phosphate coated surface |
EP0413943A1 (en) * | 1989-08-14 | 1991-02-27 | Hughes Aircraft Company | Non-contact on-line determination of phosphate layer thickness and composition of a phosphate coated surface |
FR2716531B1 (en) * | 1994-02-18 | 1996-05-03 | Saint Gobain Cinematique Contr | Method for measuring the thickness of a transparent material. |
US6188079B1 (en) * | 1999-01-12 | 2001-02-13 | Owens-Brockway Glass Container Inc. | Measurement of hot container wall thickness |
DE19928171B4 (en) | 1999-06-19 | 2011-01-05 | Leybold Optics Gmbh | Method for continuously determining the optical layer thickness of coatings |
IT202000017836A1 (en) * | 2020-07-23 | 2022-01-23 | Fameccanica Data Spa | PROCEDURE AND APPARATUS FOR IN-LINE ANALYSIS OF A COMPOSITE PRODUCT IN A MACHINE FOR THE PRODUCTION OF ABSORBENT SANITARY GOODS |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4085326A (en) * | 1976-10-19 | 1978-04-18 | Industrial Nucleonics Corporation | Radiation reflection method and apparatus particularly for gauging materials exhibiting broadband absorption or scattering, or similar effects |
-
1985
- 1985-11-05 FR FR8516385A patent/FR2589578B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2589578A1 (en) | 1987-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |