DE2555512A1 - Verfahren zur messung von ebenheitsfehlern in einer prueflingsflaeche - Google Patents
Verfahren zur messung von ebenheitsfehlern in einer prueflingsflaecheInfo
- Publication number
- DE2555512A1 DE2555512A1 DE19752555512 DE2555512A DE2555512A1 DE 2555512 A1 DE2555512 A1 DE 2555512A1 DE 19752555512 DE19752555512 DE 19752555512 DE 2555512 A DE2555512 A DE 2555512A DE 2555512 A1 DE2555512 A1 DE 2555512A1
- Authority
- DE
- Germany
- Prior art keywords
- grid
- test
- image
- cast
- original
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 27
- 238000012360 testing method Methods 0.000 claims description 53
- 239000000463 material Substances 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 16
- 238000005266 casting Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 230000001427 coherent effect Effects 0.000 claims description 11
- 230000000737 periodic effect Effects 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000000059 patterning Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000012790 adhesive layer Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 13
- 230000000007 visual effect Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001184731 Eira Species 0.000 description 1
- WTDRDQBEARUVNC-LURJTMIESA-N L-DOPA Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-LURJTMIESA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- 239000002904 solvent Substances 0.000 description 1
- 239000004636 vulcanized rubber 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
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/165—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of a grating deformed by the object
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/60—Systems using moiré fringes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5367074A GB1454340A (en) | 1974-12-11 | 1974-12-11 | Method of deformation measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2555512A1 true DE2555512A1 (de) | 1976-06-16 |
Family
ID=10468607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752555512 Withdrawn DE2555512A1 (de) | 1974-12-11 | 1975-12-10 | Verfahren zur messung von ebenheitsfehlern in einer prueflingsflaeche |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3976381A (enExample) |
| DE (1) | DE2555512A1 (enExample) |
| FR (1) | FR2294427A1 (enExample) |
| GB (1) | GB1454340A (enExample) |
| NL (1) | NL7514453A (enExample) |
| SE (1) | SE7513944L (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE396824B (sv) * | 1975-10-01 | 1977-10-03 | Id Kort Ab | Forfarande for att astadkomma sekretessbelagd information |
| US4322162A (en) | 1979-07-23 | 1982-03-30 | National Research Development Corporation | Method and apparatus for sensing in-plane deformation of a surface |
| US4474466A (en) * | 1981-03-11 | 1984-10-02 | National Research Development Corporation | Measurement of deformation |
| US4869197A (en) * | 1988-02-23 | 1989-09-26 | Gupta Bal K | Bulge indicating method and device |
| GB2252635B (en) * | 1989-09-05 | 1993-05-12 | British Tech Group | Improvements in or relating to a method and apparatus for measuring shear force |
| GB8920028D0 (en) * | 1989-09-05 | 1989-10-18 | Nat Res Dev | Improvements in or relating to a method and apparatus for measuring shear force |
| US9311566B2 (en) | 2012-08-03 | 2016-04-12 | George Mason Research Foundation, Inc. | Method and system for direct strain imaging |
| CN104359563B (zh) * | 2014-11-11 | 2017-06-06 | 北京理工大学 | 一种基于四向虚光栅的二维干涉图相位提取方法 |
| US9879981B1 (en) * | 2016-12-02 | 2018-01-30 | General Electric Company | Systems and methods for evaluating component strain |
| US11243071B2 (en) * | 2020-02-03 | 2022-02-08 | The Boeing Company | Sub-surface patterning for diffraction-based strain measurement and damage detection in structures |
| CN114076136B (zh) * | 2020-08-14 | 2023-12-05 | 北京小米移动软件有限公司 | 显示屏模组的保压方法及保压装置 |
| CN113639761B (zh) * | 2021-08-25 | 2023-11-10 | 吉林大学 | 一种利用黑白网格图码的二维平动与转动位移和速度同步非接触测量方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3184961A (en) * | 1962-03-23 | 1965-05-25 | Marvalaud Inc | Optical strain gauge |
| US3563940A (en) * | 1966-12-19 | 1971-02-16 | Magnaflux Corp | Resinous composition for determining surface strain concentrations in rigid articles |
| US3604808A (en) * | 1969-10-31 | 1971-09-14 | Western Electric Co | Detection of cumulative registration errors on photomasks using optical interference fringes |
| US3865488A (en) * | 1973-11-30 | 1975-02-11 | Rca Corp | Fingerprint display system utilizing a stored fingerprint |
-
1974
- 1974-12-11 GB GB5367074A patent/GB1454340A/en not_active Expired
-
1975
- 1975-01-20 US US05/542,687 patent/US3976381A/en not_active Expired - Lifetime
- 1975-12-10 SE SE7513944A patent/SE7513944L/xx unknown
- 1975-12-10 FR FR7537731A patent/FR2294427A1/fr active Granted
- 1975-12-10 DE DE19752555512 patent/DE2555512A1/de not_active Withdrawn
- 1975-12-11 NL NL7514453A patent/NL7514453A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| SE7513944L (sv) | 1976-06-14 |
| FR2294427B3 (enExample) | 1979-09-21 |
| US3976381A (en) | 1976-08-24 |
| FR2294427A1 (fr) | 1976-07-09 |
| NL7514453A (nl) | 1976-06-15 |
| GB1454340A (en) | 1976-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |