NO751987L - - Google Patents
Info
- Publication number
- NO751987L NO751987L NO751987A NO751987A NO751987L NO 751987 L NO751987 L NO 751987L NO 751987 A NO751987 A NO 751987A NO 751987 A NO751987 A NO 751987A NO 751987 L NO751987 L NO 751987L
- Authority
- NO
- Norway
- Prior art keywords
- film
- light
- carrier
- diffuser
- upper side
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 11
- 238000005286 illumination Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000003595 spectral effect Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 28
- 230000010287 polarization Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 3
- 241000669003 Aspidiotus destructor Species 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2542074 | 1974-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO751987L true NO751987L (US20100012521A1-20100121-C00001.png) | 1975-12-09 |
Family
ID=10227383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO751987A NO751987L (US20100012521A1-20100121-C00001.png) | 1974-06-07 | 1975-06-05 |
Country Status (9)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5643685A (en) * | 1979-09-19 | 1981-04-22 | Hitachi Ltd | Optical character reader |
| US4785336A (en) * | 1986-12-04 | 1988-11-15 | Libbey-Owens-Ford Co. | Device for monitoring characteristics of a film on a substrate |
| FR2716531B1 (fr) * | 1994-02-18 | 1996-05-03 | Saint Gobain Cinematique Contr | Procédé de mesure d'épaisseur d'un matériau transparent. |
| JP2011191252A (ja) * | 2010-03-16 | 2011-09-29 | Nippon Steel Engineering Co Ltd | 金属の表面品質評価方法および金属の表面品質評価装置 |
-
1975
- 1975-06-03 AU AU81813/75A patent/AU8181375A/en not_active Expired
- 1975-06-05 DE DE19752524982 patent/DE2524982A1/de active Pending
- 1975-06-05 FR FR7517560A patent/FR2274022A1/fr active Granted
- 1975-06-05 NO NO751987A patent/NO751987L/no unknown
- 1975-06-06 DK DK255675A patent/DK255675A/da unknown
- 1975-06-06 JP JP50067711A patent/JPS5111464A/ja active Pending
- 1975-06-06 NL NL7506740A patent/NL7506740A/xx unknown
- 1975-06-06 SE SE7506493A patent/SE7506493L/xx unknown
- 1975-06-06 BE BE157122A patent/BE829978A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2274022B3 (US20100012521A1-20100121-C00001.png) | 1978-12-29 |
| DE2524982A1 (de) | 1976-01-02 |
| DK255675A (da) | 1975-12-08 |
| FR2274022A1 (fr) | 1976-01-02 |
| SE7506493L (sv) | 1975-12-08 |
| AU8181375A (en) | 1976-12-09 |
| BE829978A (fr) | 1975-10-01 |
| NL7506740A (nl) | 1975-12-09 |
| JPS5111464A (US20100012521A1-20100121-C00001.png) | 1976-01-29 |
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