JPS57157130A - Measuring method for surface stress of curved surface reinforced glass - Google Patents
Measuring method for surface stress of curved surface reinforced glassInfo
- Publication number
- JPS57157130A JPS57157130A JP4251581A JP4251581A JPS57157130A JP S57157130 A JPS57157130 A JP S57157130A JP 4251581 A JP4251581 A JP 4251581A JP 4251581 A JP4251581 A JP 4251581A JP S57157130 A JPS57157130 A JP S57157130A
- Authority
- JP
- Japan
- Prior art keywords
- light
- prism
- radiation
- glass
- light beam
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 2
- 230000005855 radiation Effects 0.000 abstract 5
- 238000005259 measurement Methods 0.000 abstract 1
- 230000001902 propagating effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/241—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet by photoelastic stress analysis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
PURPOSE:To improve a measuring sensitivity and to enable to perform a measurement even if no high-refraction layer exists, by a method wherein an incident prism and a radiation prism are placed on a glass surface, and a laser light source, projecting light beam to the incident prism, and a telescope, observing radiation light and double refracting light, are mounted. CONSTITUTION:An incident prism and a radiation prism are adherently attached to a glass surface. Additionally, a laser light source, projecting light beam to a surface to be measured through the incident prism, and a telescope, observing radiation light and double refracting light, are mounted. For example, if light beam 37 is projected to a surface of a curved surface reinforced glass 35 on a vertical moving table 33 from a laser tube 31 via the incident prism 36, the light beam is regulated by means of a retainer 38, a grooved plate 39, a check screw 30, a support axis 41, and rotary axis 42 so that it is positioned in the proximity of and in parallel to the glass surface. Double refracting light and propagating light, being polarized during the propagation in the glass, are observed via a radiation prism 43 by a telescope 44 through adjustment of a check screw, a grooved plate 46, an axis 47, and a rotary axis 48.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4251581A JPS57157130A (en) | 1981-03-25 | 1981-03-25 | Measuring method for surface stress of curved surface reinforced glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4251581A JPS57157130A (en) | 1981-03-25 | 1981-03-25 | Measuring method for surface stress of curved surface reinforced glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57157130A true JPS57157130A (en) | 1982-09-28 |
Family
ID=12638202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4251581A Pending JPS57157130A (en) | 1981-03-25 | 1981-03-25 | Measuring method for surface stress of curved surface reinforced glass |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57157130A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015031567A1 (en) * | 2013-08-29 | 2015-03-05 | Corning Incorporated | Prism-coupling systems and methods for characterizing curved parts |
| CN105241593A (en) * | 2015-10-30 | 2016-01-13 | 苏州精创光学仪器有限公司 | Surface stress gauge of curved glass |
| US9534981B2 (en) | 2014-12-23 | 2017-01-03 | Corning Incorporated | Prism-coupling systems and methods for characterizing ion-exchanged waveguides with large depth-of-layer |
| US9696207B2 (en) | 2014-04-23 | 2017-07-04 | Corning Incorporated | Method of enhancing contrast in prism coupling measurements of stress |
| US9983064B2 (en) | 2013-10-30 | 2018-05-29 | Corning Incorporated | Apparatus and methods for measuring mode spectra for ion-exchanged glasses having steep index region |
| JP2018534589A (en) * | 2015-09-30 | 2018-11-22 | 蘇州精創光学儀器有限公司Ｓｕｚｈｏｕ Ｐｔｃ Ｏｐｔｉｃａｌ Ｉｎｓｔｒｕｍｅｎｔ Ｃｏ．，Ｌｔｄ | Glass surface stress meter and multi-tempered glass surface stress meter |
| US11384011B2 (en) | 2014-07-17 | 2022-07-12 | Corning Incorporated | Glass sheet and system and method for making glass sheet |
-
1981
- 1981-03-25 JP JP4251581A patent/JPS57157130A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015031567A1 (en) * | 2013-08-29 | 2015-03-05 | Corning Incorporated | Prism-coupling systems and methods for characterizing curved parts |
| US10156488B2 (en) | 2013-08-29 | 2018-12-18 | Corning Incorporated | Prism-coupling systems and methods for characterizing curved parts |
| US10495530B2 (en) | 2013-08-29 | 2019-12-03 | Corning Incorporated | Prism-coupling systems and methods for characterizing curved parts |
| US9983064B2 (en) | 2013-10-30 | 2018-05-29 | Corning Incorporated | Apparatus and methods for measuring mode spectra for ion-exchanged glasses having steep index region |
| US11079280B2 (en) | 2013-10-30 | 2021-08-03 | Corning Incorporated | Apparatus and methods for measuring mode spectra for ion-exchanged glasses having steep index region |
| US9696207B2 (en) | 2014-04-23 | 2017-07-04 | Corning Incorporated | Method of enhancing contrast in prism coupling measurements of stress |
| US11384011B2 (en) | 2014-07-17 | 2022-07-12 | Corning Incorporated | Glass sheet and system and method for making glass sheet |
| US9534981B2 (en) | 2014-12-23 | 2017-01-03 | Corning Incorporated | Prism-coupling systems and methods for characterizing ion-exchanged waveguides with large depth-of-layer |
| JP2018534589A (en) * | 2015-09-30 | 2018-11-22 | 蘇州精創光学儀器有限公司Ｓｕｚｈｏｕ Ｐｔｃ Ｏｐｔｉｃａｌ Ｉｎｓｔｒｕｍｅｎｔ Ｃｏ．，Ｌｔｄ | Glass surface stress meter and multi-tempered glass surface stress meter |
| US11060930B2 (en) | 2015-09-30 | 2021-07-13 | Suzhou Ptc Optical Instrument Co., Ltd | Glass surface stress meter and multiple-tempered glass surface stress meter |
| CN105241593A (en) * | 2015-10-30 | 2016-01-13 | 苏州精创光学仪器有限公司 | Surface stress gauge of curved glass |
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