CN101191775A - Device and method for checking optical lens cleaning degree - Google Patents
Device and method for checking optical lens cleaning degree Download PDFInfo
- Publication number
- CN101191775A CN101191775A CNA2006101570671A CN200610157067A CN101191775A CN 101191775 A CN101191775 A CN 101191775A CN A2006101570671 A CNA2006101570671 A CN A2006101570671A CN 200610157067 A CN200610157067 A CN 200610157067A CN 101191775 A CN101191775 A CN 101191775A
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- optical lens
- light source
- mirror slip
- optical glass
- optical
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Abstract
The invention provides a device for testing the cleanliness of optical glass, comprising a light source and a water evaporation device, wherein the water evaporation device comprises an evaporation port from which the evaporated vapor forms a water film on the surface of the optical glass. The invention also provides a method for testing the cleanliness of optical glass and includes the following procedures that: (1) the checking optical glass is placed on the evaporation port of the water evaporation device, the vapor from the evaporation port is evaporated on the surface of the optical glass, forming the water film on the surface of the optical glass; (2) a light source is lighted, lights from the light source is irradiated on the optical glass of which the water film forms on the surface, whether the water film on the surface of the optical glass is even is tested, if the water film is even, no chemical substance is on the surface of the optical glass; if the water film is uneven, chemical substances are remained on the surface of the optical glass, thereby avoiding the quality of the whole lens pattern assembly from being affected due to the unclean optical glass.
Description
Technical field
The present invention is about a kind of device and method of checking optical lens cleaning degree.
Background technology
At camera, video camera with have in the mobile phone of camera function and have the camera lens module, contain the eyeglass of glass or plastic cement in this camera lens module, the plated film optical filter of glass or plastic cement.These optical mirror slips all need before plated film and behind the plated film through cleaning, reach the requirement of certain cleanliness, and then these optical mirror slips and other element assembled, just be unlikely to because the quality that does not totally have influence on whole camera lens module of a certain optical mirror slip.The purpose of cleaning is in order to remove the dust that is attached to optical lens surface, oil stain, particle etc., and these optical mirror slips are in cleaning process, can utilize chemical agent to reach to remove above-mentioned dirty.And the optical mirror slip after cleaning need carry out the check of surface clearness, judge whether to reach specification requirement, general survey is to adopt major light illumination optical eyeglass, operator's visual inspection is judged, and judge the dirty of optical lens surface easily with the discriminant approach of major light, cut, common defective such as breakage, but be difficult for judging whether residual chemical agent of optical lens surface, if chemical film arranged in that the optical lens surface part is residual, then can be because of the difference of chemical film refractive index and optical mirror slip material refractive index, cause discontinuous interface, and influence the optical property of optical element.Therefore whether residual to have chemical agent to test be very important to optical lens surface.
Summary of the invention
In view of this, be necessary to provide a kind of device and method of checking optical lens cleaning degree.
A kind of device of checking optical lens cleaning degree comprises light source and water evaporating apparatus, and this water evaporating apparatus has an evaporation mouth, and the water vapor that this evaporation mouth evaporates is used for forming moisture film on the surface of optical mirror slip.
A kind of method of checking optical lens cleaning degree may further comprise the steps: optical mirror slip to be tested is positioned over the evaporation mouth place of a water evaporating apparatus, and the water vapor of the device that evaporates the water is evaporated to the surface of optical mirror slip, forms moisture film on the surface of optical mirror slip; Open a light source, make light source irradiation be formed with the optical mirror slip of moisture film to the surface, whether the moisture film that detects this optical lens surface is even, if evenly then illustrate that optical lens surface does not have chemical substance, if inhomogeneous then illustrate that optical lens surface is residual chemical substance arranged.
With respect to prior art, the device of described checking optical lens cleaning degree is because comprise water evaporating apparatus, so during with this device checking optical lens cleaning degree, the water vapor of the device that evaporates the water is evaporated to the surface of optical mirror slip, forms moisture film on the surface of optical mirror slip; Whether detection is formed on the moisture film of optical lens surface even, if the moisture film of optical lens surface evenly then this optical lens surface noresidue chemical substance is described, illustrates if the moisture film of optical lens surface is inhomogeneous that this optical lens surface is residual chemical substance is arranged.That is, use this method can check that the surface of optical mirror slip is whether residual a chemical substance, can avoid the quality that does not totally have influence on whole camera lens module because of optical mirror slip.
Description of drawings
Fig. 1 is the schematic representation of apparatus of checking optical lens cleaning degree in the first embodiment of the invention.
Fig. 2 is the schematic representation of apparatus of checking optical lens cleaning degree in the second embodiment of the invention.
Fig. 3 is to use the device in the first embodiment of the invention to come the synoptic diagram of checking optical lens cleaning degree method.
Embodiment
Below with reference to accompanying drawing the present invention is described in further detail.
See also Fig. 1, the device 10 of the checking optical lens cleaning degree in the first embodiment of the invention comprises that light source 11 and water evaporating apparatus 13, this water evaporating apparatus 13 have an evaporation mouth 14.
The evaporation mouth 14 of water evaporating apparatus 13 faces the direction that light source 11 emits beam.When checking optical lens cleaning degree, optical mirror slip is positioned between the evaporation mouth 14 of light source 11 and water evaporating apparatus 13, form moisture film by evaporation mouthful 14 water vapor that evaporate on the surface of optical mirror slip, the light that light source 11 sends just is radiated on this moisture film.
See also Fig. 2, the device 20 of the checking optical lens cleaning degree in the second embodiment of the invention comprises light source 21 and water evaporating apparatus 23, and this water evaporating apparatus 23 has an evaporation mouth 24.
The evaporation mouth 24 of water evaporating apparatus 23 is positioned on the perpendicular direction of the direction that emits beam with light source 21.Optical mirror slip to be tested is positioned over light source 21 direction that emits beam and the axes intersect part of evaporating mouth 24.Form moisture film by evaporation mouthful 24 water vapor that evaporate on the surface of optical mirror slip, the light that light source 21 sends just is radiated on this moisture film.
See also Fig. 1 and Fig. 2, in above-mentioned two embodiment, can be ejected into optical mirror slip to be tested respectively as long as the placement location of water evaporating apparatus 13,23 makes by evaporation mouthful 14,24 water vapor that evaporate 14,24.The size of the evaporation mouth 14,24 of water evaporating apparatus 13,23 is preferably more than or equal to the size of distinguishing corresponding optical mirror slip to be tested.And the power of this light source 11,21 is preferably in more than 50 watts, provides enough brightness so that the cleanliness of detection optical lens surface.
In addition, the invention provides a kind of method of checking optical lens cleaning degree, this method can be used the device in the first embodiment of the invention also can use the device in the second embodiment of the invention and similarly install.To use device in the first embodiment of the invention method of checking optical lens cleaning degree is described as example at this.
Seeing also Fig. 3, is the synoptic diagram of checking optical lens cleaning degree method.One light source 11 and water evaporating apparatus 13 at first are provided, and this water evaporating apparatus 13 has an evaporation mouth 14.With the evaporation mouth 14 of light source 11 and water evaporating apparatus 13 over against placement, optical mirror slip to be tested 12 is positioned between the evaporation mouth 14 of light source 11 and water evaporating apparatus 13, optical mirror slip 12 to be tested is over against evaporation mouth 14, and the surface of optical mirror slip 12 is parallel to the evaporation mouth 14 of water evaporating apparatus 13.Water evaporating apparatus 13 is opened, to form moisture film on the surface of optical mirror slip 12 by evaporation mouthful 14 water vapor that evaporate 15, open light source 11, under the irradiation of light source 11, visual or use uniformity of film pick-up unit detects the moisture film that is formed on optical mirror slip 12 surfaces, if this study of water film distribution is even, then show the chemical substance of this optical lens surface noresidue, optical mirror slip 12 cleans up; If this study of water film distribution is inhomogeneous, show that then these optical mirror slip 12 remained on surface have chemical substance, optical mirror slip 12 does not clean up.Because if optical mirror slip 12 remained on surface have chemical substance, optical mirror slip 12 is different with the residual chemical substances surface tension so, so hydrone can't form moisture film on the surface of optical mirror slip 12 equably.After one of them surface check of optical mirror slip 12 finishes, make its another one surface parallel and optical mirror slip 12 upsets, with method same as described above this surface of testing over against the evaporation mouth 14 of water evaporating apparatus 13.
When the device in using second embodiment of the invention comes the cleanliness on checking optical lens surface, optical mirror slip to be tested is positioned over the direction that perpendicular light source is emitted light, and the water vapor that is evaporated by the evaporation mouth of water evaporating apparatus forms moisture film simultaneously on two surfaces of optical mirror slip to be tested like this.Also can use and the first embodiment of the invention and second embodiment in the similar device of the device cleanliness of coming the checking optical lens surface.
With respect to prior art, the device 10 of described checking optical lens cleaning degree is because comprise water evaporating apparatus 13, so when installing 10 checking optical lens, 12 cleanliness with this, to evaporate the surface that 13 water vapor that evaporate 15 are evaporated to optical mirror slip 12 by water, form moisture film on the surface of optical mirror slip 12; Whether detection is formed on the moisture film on optical mirror slip 12 surfaces even, if the moisture film on optical mirror slip 12 surfaces is even, this optical mirror slip 12 surperficial noresidue chemical substances then are described,, illustrate that then these optical mirror slip 12 remained on surface have chemical substance if the moisture film on optical mirror slip 12 surfaces is inhomogeneous.That is, use this method can check that the surface of optical mirror slip 12 is whether residual a chemical substance, can avoid the quality that does not totally have influence on whole camera lens module because of optical mirror slip 12.
In addition, those skilled in the art can also do other variation in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included in the present invention's scope required for protection.
Claims (5)
1. the device of a checking optical lens cleaning degree comprises light source, it is characterized in that, further comprises water evaporating apparatus, and this water evaporating apparatus has an evaporation mouth, and the water vapor that this evaporation mouth evaporates is used for forming moisture film on the surface of optical mirror slip.
2. the device of checking optical lens cleaning degree as claimed in claim 1 is characterized in that, this evaporation mouth is positioned on the direction that light source emits beam.
3. the device of checking optical lens cleaning degree as claimed in claim 1 is characterized in that, this evaporation mouth is positioned on the perpendicular direction of the direction that emits beam with light source.
4. the device of checking optical lens cleaning degree as claimed in claim 1 is characterized in that, the power of this light source is more than 50 watts.
5. the method for a checking optical lens cleaning degree may further comprise the steps: optical mirror slip to be tested is positioned over the evaporation mouth place of a water evaporating apparatus, and the water vapor of the device that evaporates the water is evaporated to the surface of optical mirror slip, forms moisture film on the surface of optical mirror slip; Open a light source, make light source irradiation be formed with the optical mirror slip of moisture film to the surface, whether the moisture film that detects this optical lens surface is even, if evenly then illustrate that optical lens surface does not have chemical substance, if inhomogeneous then illustrate that optical lens surface is residual chemical substance arranged.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNA2006101570671A CN101191775A (en) | 2006-11-24 | 2006-11-24 | Device and method for checking optical lens cleaning degree |
Applications Claiming Priority (1)
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CNA2006101570671A CN101191775A (en) | 2006-11-24 | 2006-11-24 | Device and method for checking optical lens cleaning degree |
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CN101191775A true CN101191775A (en) | 2008-06-04 |
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CNA2006101570671A Pending CN101191775A (en) | 2006-11-24 | 2006-11-24 | Device and method for checking optical lens cleaning degree |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102445458A (en) * | 2011-10-18 | 2012-05-09 | 中国科学院合肥物质科学研究院 | Method for measuring stain on optical lens |
CN108872259A (en) * | 2018-07-13 | 2018-11-23 | 芜湖东旭光电科技有限公司 | A method of checking glass baseplate surface |
-
2006
- 2006-11-24 CN CNA2006101570671A patent/CN101191775A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102445458A (en) * | 2011-10-18 | 2012-05-09 | 中国科学院合肥物质科学研究院 | Method for measuring stain on optical lens |
CN108872259A (en) * | 2018-07-13 | 2018-11-23 | 芜湖东旭光电科技有限公司 | A method of checking glass baseplate surface |
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Open date: 20080604 |