CN106324730A - Prism and glass surface stress test device - Google Patents
Prism and glass surface stress test device Download PDFInfo
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- CN106324730A CN106324730A CN201610830326.6A CN201610830326A CN106324730A CN 106324730 A CN106324730 A CN 106324730A CN 201610830326 A CN201610830326 A CN 201610830326A CN 106324730 A CN106324730 A CN 106324730A
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- 239000011521 glass Substances 0.000 title claims abstract description 53
- 238000012360 testing method Methods 0.000 title abstract description 5
- 230000000644 propagated effect Effects 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 95
- 239000000463 material Substances 0.000 claims description 22
- 238000009795 derivation Methods 0.000 claims description 13
- 238000012216 screening Methods 0.000 claims description 10
- 239000010453 quartz Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 230000010287 polarization Effects 0.000 claims description 4
- 239000011358 absorbing material Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 230000008676 import Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000004606 Fillers/Extenders Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004313 glare Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/1805—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for prisms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The application discloses a prism and a glass surface stress test device using the prism as a test prism. The prism comprises an import prism part and an export prism part, which are formed integrally. The import prism part and the export prism part are respectively provided with a first working surface and a second working surface, which are coplanar. The prism is provided with at least one groove which is between the import prism part and the export prism part and perpendicular to the first working surface and the second working surface, and the at least one groove forms a diaphragm used for stopping light from being propagated from one side of the first working surface to one side of the second working surface. The import prism part and the export prism part are formed integrally, and the diaphragm is formed on the integrated prism by grooving, so that coplanar working surfaces are ensured on one hand, and on the other hand, the prism has a simple and compact structure and is easy to manufacture.
Description
Technical field
It relates to a kind of optical detection apparatus, in particular it relates to a kind of glass surface stress detection device and can
To be applied to its prism.
Background technology
Glass plate is material the most common in daily life and commercial production.In order to weigh glass sheet quality, guarantee glass
The safety that plate uses, it is often necessary to the stress in glass plate is measured.In order to detect glass plate stress, in standards such as GBs
Middle regulation, uses birefringent mode to measure the surface stress of glass, to characterize the stress level of inside glass.At present, actual
In using, the mode measuring glass surface stress mainly has: differential surface refraction process DSR (Differential Surface
Refractometry), surface sweep angle polarisation method GASP (Grazing Angle Surface Plarimetry), and in the recent period
Estonia is proposed the method for transmission laser.Wherein surface stress is had higher than relatively low safety glass by GASP mode
Certainty of measurement, it is adaptable to the surface stress detection of the semi-tempered glass of architectural use.
The principle of GASP measuring method is: incident polarization light beam enters glass surface thin layer, and parallel glass surface runs one
Leaving glass after segment distance, due to glass surface stress effect, light beam produces birefringent phenomenon, and its optical path difference can be by quartz wedge
Accurately measure.GASP measuring method is generally used for light be directed to the importing prism of glass surface and by light from glass table
The derivation prism that face is derived.Prior art imports prism and derives that prism is formed separately and need between the two to arrange
Diaphragm, this ensure import prism and derive prism and glass surface laminating respective surfaces between parallel co-planar in terms of still
There is deficiency.
Summary of the invention
In view of above-mentioned deficiency present in prior art, the invention provides a kind of simple in construction, processing ease portable
Formula glass surface stress detection device.
According to an aspect of the invention, it is provided a kind of glass surface stress detection device, comprising: lighting unit,
For providing polarization illumination light, this lighting unit includes light source；Detection prism, including import prism and derive prism, described in lead
Enter prism and derive prism be respectively provided with for the laminating of the surface of detected glass with carry out detecting coplanar with each other first
Detection surface and the second detection surface；And image-generating unit, it includes quartz wedge, analyser plate and the lens set gradually along light path
Group, this image-generating unit is arranged to reception and from the light of described detection prism and forms detection image, wherein, described detection prism
Import prism and derive prism one-body molded, and be provided with on described detection prism be positioned at described importing prism and derive prism it
Between and be perpendicular to described first detection surface and second detection surface at least one groove, at least one groove described formed use
In the diaphragm stoping light to be propagated to described second detection side, surface from described first detection side, surface.
In certain embodiments, described groove can be by frosted, blacking, at least one mode of inserting in light screening material
It is formed diaphragm.Preferably, described light screening material is light absorbing material.
Or, by inserting and gluing shading sheet material in described groove, thus described diaphragm can be formed.
Preferably, processed by frosted on the surface relative with described second detection surface of described derivation prism or be painted.
In certain embodiments, at least one groove described can include being arranged on described first detection surface and the second inspection
At least one first groove surveyed between surface detects, with described first detection surface and second, the table that surface is relative with being arranged on
At least one on face the second groove.
Preferably, described first groove and described second groove are on the direction being perpendicular to described first and second detection surfaces
The most overlapping.
Preferably, at least one second groove described includes lay respectively at the both sides of described first groove two second
Groove.It is further preferred that the outer surface between said two the second groove is processed by frosted or is painted.
In certain embodiments, the prism that imports of described detection prism includes that the light to entering detection prism reflects also
It is channeled to the reflecting surface on described first detection surface.
According to another aspect of the present invention, it is provided that a kind of prism, including integrated importing component prism and derivation
Component prism, described importing component prism and derivation component prism are respectively provided with the first working surface coplanar with each other and the second work
Make surface, wherein, described prism be provided with at described importing component prism and derive between component prism and be perpendicular to institute
Stating at least one groove of the first working surface and the second working surface, at least one groove described is formed and is used for stoping light from institute
State the diaphragm that the first working surface side is propagated to described second working surface side.
In certain embodiments, described groove by frosted, blacking, at least one mode of inserting in light screening material by shape
Become diaphragm.Preferably, described light screening material is light absorbing material.
Or, by inserting and gluing shading sheet material in described groove, thus described diaphragm can be formed.
Preferably, the relative surface, surface of detecting with described second on described 3rd surface is processed by frosted or is painted.
In certain embodiments, described prism also has threeth surface relative with described first and second working surfaces,
It is first recessed that at least one groove described includes being arranged at least one between described first detection surface and the second detection surface
Groove and at least one second groove being arranged on described 3rd surface.
Preferably, described first groove and described second groove are on the direction being perpendicular to described first and second detection surfaces
The most overlapping.
Preferably, at least one second groove described includes lay respectively at the both sides of described first groove two second
Groove.It is further preferred that the part on the 3rd surface between said two the second groove is processed by frosted or is painted.
In certain embodiments, the component prism that imports of described prism also includes that the light to entering importing component prism is carried out
Reflect and be channeled to the reflecting surface on described first detection surface.
According to the present invention, import prism and derivation prism is one-body molded, and by offering groove shape on the prism of one
Becoming diaphragm, on the one hand this be easy to ensure the coplanar of detection surface (working surface), on the other hand makes prism structure the compactest,
Convenient manufacture.
Accompanying drawing explanation
The detailed description to non-limiting example made by referring to the following drawings, the further feature of the present invention, mesh
And advantage will become more apparent upon, reference identical in accompanying drawing represents identical or corresponding parts and feature.
Fig. 1 is the structural representation of the glass surface stress detection device according to the embodiment of the present invention；
Fig. 2 A shows that of the prism of the detection prism that can be used as in glass surface stress detection device shown in Fig. 1 shows
Example；
Fig. 2 B shows another of the prism of the detection prism that can be used as in glass surface stress detection device shown in Fig. 1
Example.
Detailed description of the invention
With embodiment, the application is described in further detail below in conjunction with the accompanying drawings.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to this invention.It also should be noted that, in order to
It is easy to describe, accompanying drawing illustrate only and invent relevant part.
Fig. 1 is the structural representation of the glass surface stress detection device 100 according to the embodiment of the present invention.As it is shown in figure 1,
Glass surface stress detection device 100 includes: lighting unit 10, detection prism 20 and image-generating unit 30.
Lighting unit 10 is used for providing polarization illumination light, and this lighting unit includes light source.In the example illustrated in figure 1, illumination
The light source of unit 10 includes laser instrument 12 and collimator and extender mirror 13.The laser monochromaticity that laser instrument 12 sends is good, coherence is good, side
Tropism is good, brightness is high.Collimator and extender mirror 13 is for expanding the diameter of the light beam from laser instrument 12.The present invention is not limited to light source
This structure.In glass surface stress detection device 100, light source can also take other suitable form.Such as, light source
Monochromatic LED can be included, and be not limited to use collimator and extender mirror.
Detection prism 20 includes importing prism 21 and deriving prism 22 and the diaphragm being arranged between.Import prism
21 are respectively provided with for examining with coplanar with each other first carrying out detecting with the laminating of the surface of detected glass G with deriving prism 22
Survey surface 21a and second detection surface 22a.Importing prism 21 guides the light from lighting unit 10 to be irradiated to the first detection surface
The joint place on the surface of 21a and detected glass G, derives prism 22 from the second detection surface 22a and detected glass surface G's
Joint place coupling is derived with critical angle light that is incident and that propagate along glass surface.
The importing prism 21 of detection prism 20 can also include that the light to entering detection prism 20 reflects and drawn
Lead the reflecting surface 21b of the first detection surface 21a.
As it is shown in figure 1, image-generating unit 30 includes quartz wedge 32, analyser plate 33 and the lens 34 set gradually along light path.
This image-generating unit 30 is arranged to receive the light of Autonomous test prism 20 and form detection image.Image-generating unit 30 can also include instead
Penetrate mirror 31, for the luminous reflectance of in the future Autonomous test prism 20 in quartz wedge 32.
Operationally, the convergent beam from lighting unit 10 enters detection prism to glass surface stress detection device 100
20, and be irradiated on the first detection surface 21a, at least part of light wherein with the cirtical angle of total reflection enters detected glass table
Face, is derived by the second detection surface 22a coupling after propagating a segment distance along glass surface.Due to glass surface stress effect, light
Bundle produces birefringent phenomenon, therefore, contains the optical path difference on a direction from the light that the second detection surface 22a derives.Institute
State the light of derivation through quartz wedge 32, then launch to battery of lens 34 after analyser plate 33.Utilize quartz wedge 32 can make light
Producing the optical path difference on another different directions, it superposes with the optical path difference caused due to birefringence, makes light interference produce
The interference fringe tilted.Glass surface stress value is directly proportional to the inclination angle tan of interference fringe.Measure interference fringe
Inclination angle, it is possible to calculate glass surface stress value.
The structure of the glass surface stress detection device 100 above by reference to shown in Fig. 1 is merely exemplary, detects device
100 can also include other parts not described at this or for substitute the parts of above-mentioned introduction, there is similar functions
Parts.
Different from the importing prism using split in prior art and derivation prism, glass table according to embodiments of the present invention
In face stress detection device 100, importing prism (importing component prism) 21 and the derivation prism of detection prism 20 (derive prism portion
Point) 22 one-body molded, and be provided with on detection prism 20 and importing prism 21 and deriving between prism 22 and be perpendicular to first
At least one groove 23 of detection surface (the first working surface) 20a and second detection surface (the second working surface) 20b.Described
At least one groove 23 forms diaphragm, is used for stoping light to be propagated to the second detection side, surface from the first detection side, surface.
Groove 23 such as can form diaphragm by frosted, blacking, at least one mode of inserting in light screening material.Or
Person, it is also possible to insert in groove 23 and bonding shading sheet material such as sheet metal forms diaphragm.
According to the present invention, importing prism 21 and the derivation prism 22 of detection prism 20 are one-body molded so that the first detection table
Face 21a and second detects surface 22a at grade, to improve machining accuracy.Compared to glass surface of the prior art
Stress detection device, glass surface stress detection device according to embodiments of the present invention can reduce owing to importing prism 21 and leading
The optical contact surface going out prism 22 is misaligned and the error that causes.Correspondingly, the structure also making device is simpler compact.
The topology example of the prism that can be used as above-mentioned detection prism 20 is introduced below in conjunction with Fig. 2 A, Fig. 2 B.
Fig. 2 A shows the example that can be used as detecting the prism of prism 20, i.e. prism 20A.As it can be seen, prism 20A
Including integrated importing component prism 21 and derivation component prism 22, they are respectively provided with the first worksheet coplanar with each other
Face 21a and the second working surface 22a.
As shown in Figure 2 A, prism 20A it is provided with at importing component prism 21 and derives between component prism 22 and hang down
Straight in two grooves 23a, 23b of the first working surface 21a and the second working surface 22a.Groove 23a is formed at the first worksheet
Between face 21a and the second working surface 22a.In the most shown orientation, groove 23a extends from bottom to top.Groove 23b is formed
On threeth surface 24 relative with first and second working surface 21a, 22a of prism 20A.In the most shown orientation,
Groove 23b extends from the top down.
In order to preferably shut out the light, it is preferable that groove 23a and groove 23b is being perpendicular to the first and second working surfaces
On the direction of 21a, 22a the most overlapping, it is illustrated that region O is overlapping part.
Although Fig. 2 A showing, groove 23b is positioned at the left side (importing component prism side) of groove 23a, but it also may be used
To be positioned at the right side (deriving component prism side) of groove 23a, the present invention is not limited in this respect.
Groove 23a, 23b such as can form light by frosted, blacking, at least one mode of inserting in light screening material
Door screen.Or, it is also possible to insert in groove 23a, 23b and bonding shading sheet material such as sheet metal forms diaphragm.
Preferably, the part surface 24a relative for working surface 22a with second on the 3rd surface 24 carries out frosted process
Or blacking (is such as sprayed pitch-dark).So can preferably eliminate the impact of veiling glare.
Fig. 2 B shows another example that can be used as detecting the prism of prism 20, i.e. prism 20B.The structure of prism 20B
Being similar to prism 20A, difference essentially consists in, and is formed with two groove 23b on the 3rd surface 24 of prism 20B, and these are two years old
Individual groove 23b lays respectively at the both sides of groove 23a.
Preferably, as it can be seen, two groove 23b are being perpendicular to first and second working surface 21a, 22a with groove 23a
Direction on the most overlapping, it is illustrated that region O ' is overlapping part.However, it is to be appreciated that two groove 23b can only have one
Individual groove 23b and groove 23a is overlapping in described vertical direction.
Groove 23a, 23b of being similar to prism 20A, prism 20B such as can also pass through frosted, blacking, insert lightproof material
At least one mode in material forms diaphragm.Or, it is also possible in groove 23a, 23b, insertion bonding shading sheet material are such as
Sheet metal forms diaphragm.
Preferably, the part surface 24a relative for working surface 22a with second on the 3rd surface 24 carries out frosted process
Or blacking (is such as sprayed pitch-dark).So can preferably eliminate the impact of veiling glare.
Preferably, the part surface 24b between two groove 23b on the 3rd surface 24 can carry out frosted process
Or blacking (is such as sprayed pitch-dark).So can preferably eliminate the impact of veiling glare.
Although Fig. 2 B showing a formation two groove 23b and groove 23a, but the present invention being not limited to this.?
In other examples, prism can be formed as that such as there is a groove 23b being opened on the 3rd surface and two be opened in
Groove 23a between first and second working surface 21a, 22a.
Although it should be understood that in figure 2 above A and Fig. 2 B example shown, groove 23 is opened in working surface and therewith
On the 3rd relative surface, but the present invention is not limited to this.Groove 23 can also include being opened in be connected to working surface and
On side surface between 3rd surface.Such as, groove 23 can include the groove being opened between the first and second working surfaces
23a and offer groove 23b on the side surface.
Although further, it is understood that in the example described above by reference to Fig. 2 A and Fig. 2 B, prism is formed two or
Three grooves, but the present invention is not limited to this.Such as, the diaphragm formed at a groove disclosure satisfy that the requirement stopping light
In the case of, prism 20 can only form a groove.On the other hand, prism 20 can also include the groove more than 3, only
The structure wanting manufacturing process to allow and to obtain can be applicable to the application scenario of target.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, also should contain in the case of without departing from described inventive concept simultaneously, above-mentioned technical characteristic or its equivalent feature carry out
Combination in any and other technical scheme of being formed.Such as features described above has similar merit with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (20)
1. a glass surface stress detection device, including:
Lighting unit, is used for providing polarization illumination light, and this lighting unit includes light source；
Detection prism, including importing prism and deriving prism, described importing prism is respectively provided with for tested with deriving prism
Survey the surface laminating of glass to carry out the first detection surface coplanar with each other and the second detection surface detected；With
Image-generating unit, it includes quartz wedge, analyser plate and the battery of lens set gradually along light path, and this image-generating unit is arranged to connect
Receive from the light of described detection prism and form detection image,
It is characterized in that, the importing prism of described detection prism and derivation prism are one-body molded, and arrange on described detection prism
Have between described importing prism and derivation prism and be perpendicular to described first detection surface and second and detect surface at least
One groove, at least one groove described is formed and is used for stoping light from described first detection side, surface to described second detection table
The diaphragm that side, face is propagated.
2. glass surface stress detection device as claimed in claim 1, it is characterised in that described groove by frosted, blacking,
At least one mode inserted in light screening material is formed diaphragm.
3. glass surface stress detection device as claimed in claim 1, it is characterised in that described light screening material is that light absorbs material
Material.
4. glass surface stress detection device as claimed in claim 1, it is characterised in that insert in described groove and be adhesive with
Shading sheet material, thus form described diaphragm.
5. the glass surface stress detection device as according to any one of claim 1-4, it is characterised in that at described derivation rib
The surface relative with described second detection surface of mirror is processed by frosted or is painted.
6. glass surface stress detection device as claimed in claim 1, it is characterised in that at least one groove described includes setting
Put and detect at least one first groove between surface and the second detection surface described first and be arranged on and described first inspection
Survey at least one second groove on the surface that surface is relative with the second detection surface.
7. glass surface stress detection device as claimed in claim 6, it is characterised in that described first groove and described second
Groove is the most overlapping on the direction being perpendicular to described first and second detection surfaces.
Glass surface stress detection device the most as claimed in claims 6 or 7, it is characterised in that described at least one is second recessed
Groove includes two the second grooves laying respectively at the both sides of described first groove.
9. glass surface stress detection device as claimed in claim 8, it is characterised in that between said two the second groove
Outer surface is processed by frosted or is painted.
10. glass surface stress detection device as claimed in any one of claims 1-9 wherein, wherein, leading of described detection prism
Enter prism and include the light entering detection prism being reflected and being channeled to the reflecting surface on described first detection surface.
11. 1 kinds of prisms, including integrated importing component prism with derive component prism, described importing component prism and leading
Go out component prism and be respectively provided with the first working surface coplanar with each other and the second working surface,
It is characterized in that, described prism be provided with at described importing component prism and derive between component prism and be perpendicular to
Described first working surface and at least one groove of the second working surface, at least one groove described formed be used for stoping light from
The diaphragm that described first working surface side is propagated to described second working surface side.
12. prisms as claimed in claim 11, it is characterised in that described groove passes through frosted, blacking, inserts in light screening material
At least one mode be formed diaphragm.
13. prisms as claimed in claim 11, it is characterised in that described light screening material is light absorbing material.
14. prisms as claimed in claim 11, it is characterised in that insert and be adhesive with shading sheet material in described groove, thus
Form described diaphragm.
15. prisms as according to any one of claim 11-14, it is characterised in that on described 3rd surface with described
Two surfaces detecting surfaces relative are processed by frosted or are painted.
16. prisms as claimed in claim 11, it is characterised in that described prism also has and described first and second worksheets
The 3rd surface that face is relative, at least one groove described includes being arranged between described first detection surface and the second detection surface
At least one first groove and at least one second groove of being arranged on described 3rd surface.
17. prisms as claimed in claim 16, it is characterised in that described first groove and described second groove are being perpendicular to
State on the direction on the first and second detection surfaces the most overlapping.
18. prisms as described in claim 16 or 17, it is characterised in that at least one second groove described includes laying respectively at
Two the second grooves of the both sides of one described first groove.
19. prisms as claimed in claim 18, it is characterised in that the part on the 3rd surface between said two the second groove
Processed by frosted or be painted.
20. prisms as according to any one of claim 11-19, wherein, it is right that the importing component prism of described prism also includes
The light entering importing component prism carries out reflecting and being channeled to the reflecting surface on described first detection surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830326.6A CN106324730A (en) | 2016-09-18 | 2016-09-18 | Prism and glass surface stress test device |
| PCT/CN2017/102099 WO2018050113A1 (en) | 2016-09-18 | 2017-09-18 | Prism and glass surface stress detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830326.6A CN106324730A (en) | 2016-09-18 | 2016-09-18 | Prism and glass surface stress test device |
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| Publication Number | Publication Date |
|---|---|
| CN106324730A true CN106324730A (en) | 2017-01-11 |
Family
ID=57787685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610830326.6A Pending CN106324730A (en) | 2016-09-18 | 2016-09-18 | Prism and glass surface stress test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106324730A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018050113A1 (en) * | 2016-09-18 | 2018-03-22 | 北京杰福科技有限公司 | Prism and glass surface stress detection device |
| CN117991425A (en) * | 2024-04-03 | 2024-05-07 | 宁波舜宇光电信息有限公司 | Stray light eliminating multi-fold prism and optical lens |
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| CN105333980A (en) * | 2015-11-27 | 2016-02-17 | 苏州精创光学仪器有限公司 | Tempered glass surface stress measuring instrument |
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| CN206193276U (en) * | 2016-09-18 | 2017-05-24 | 北京杰福科技有限公司 | Prism and glass surface stress detection device |
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|---|---|---|---|---|
| US3286581A (en) * | 1959-09-01 | 1966-11-22 | Saint Gobain | Method and apparatus for determining surface birefringences in a transparent material employing a prism place adjacent to the surface |
| JPS6190025A (en) * | 1984-10-11 | 1986-05-08 | Toshiba Glass Co Ltd | Surface stress measuring instrument |
| CN101675294A (en) * | 2007-04-25 | 2010-03-17 | 朴烋完 | Lighting device using light guide plate |
| US9140543B1 (en) * | 2011-05-25 | 2015-09-22 | Corning Incorporated | Systems and methods for measuring the stress profile of ion-exchanged glass |
| US20150338308A1 (en) * | 2014-05-21 | 2015-11-26 | Corning Incorporated | Prism-coupling systems and methods for characterizing large depth-of-layer waveguides |
| CN104316233A (en) * | 2014-11-03 | 2015-01-28 | 苏州精创光学仪器有限公司 | Surface stress measuring device |
| CN105333980A (en) * | 2015-11-27 | 2016-02-17 | 苏州精创光学仪器有限公司 | Tempered glass surface stress measuring instrument |
| CN105758566A (en) * | 2016-04-11 | 2016-07-13 | 李俊峰 | Glass surface stress gauge |
| CN206193276U (en) * | 2016-09-18 | 2017-05-24 | 北京杰福科技有限公司 | Prism and glass surface stress detection device |
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| WO2018050113A1 (en) * | 2016-09-18 | 2018-03-22 | 北京杰福科技有限公司 | Prism and glass surface stress detection device |
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Application publication date: 20170111 |