CN101144879A - Method for manufacturing optical element - Google Patents
Method for manufacturing optical element Download PDFInfo
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- CN101144879A CN101144879A CNA2006100626148A CN200610062614A CN101144879A CN 101144879 A CN101144879 A CN 101144879A CN A2006100626148 A CNA2006100626148 A CN A2006100626148A CN 200610062614 A CN200610062614 A CN 200610062614A CN 101144879 A CN101144879 A CN 101144879A
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- optical filter
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Abstract
The present invention provides an optical component processing method, and includes the following procedures: providing an optical lens needing to be processed and a light filtering piece needing to be processed, using an optical adhesive to bond a surface of the light filtering piece and a surface of the optical lens together; solidifying the above optical adhesive to bond the light filtering piece and the optical lens together; processing the bonded optical lens and the light filtering piece; removing the optical adhesive and then obtaining the processed optical lens and the processed light filtering piece which are separated. In the technical proposal, the processing precisions of the optical lens and the light filtering piece are essentially consistent, that can facilitate to improve the assembly precision, to reduce the production time, and to improve the yield.
Description
Technical field
The present invention relates to a kind of method for manufacturing optical element, relate in particular to a kind of job operation of the optical element relevant with the camera lens module.
Background technology
The optical element work flow generally includes operations such as selection, cutting, round as a ball, moulding, thickness mill, polishing and centering edging.Cutting action is meant the process of the generation processing base substrate that cuts suitable size after the selection from the optical glass base substrate of monoblock.The round as a ball rounding that is called again is meant and utilizes emery wheel to wear into the process of circular profile the base substrate after the cutting.Moulding is meant adopts lapping mode or molding die to form the sphere or the aspheric process of predetermined bend radius the base substrate after round as a ball.The purpose of thickness mill and polishing process is that the optical element surface after the moulding is carried out further retrofit, as the knife mark on the elimination eyeglass, slight crack layer etc.The centering edging operation comprises the heart and deburring, is meant the process of eyeglass being carried out further attrition process by emery wheel.
The optical element of camera lens module has spheric glass, aspherical lens and optical filter etc.In the eyeglass process, after through selection, cutting, round as a ball, moulding, thickness mill, polishing,, process by the centering-edging machine edging of feeling relieved for the geometrical central axis that makes eyeglass is consistent with optical axis.In the optical filter process, after through selection, cutting, meet the requirements, must carry out round as a ball processing through spheronizator or edge polisher for making its geomery.The industry optical mirror slip is to process by different product line and machine respectively with optical filter at present.At first, eyeglass and optical filter are separately produced, and the difference of processing machine may cause that the machining precision of eyeglass and optical filter and mismachining tolerance are inconsistent, and assembly precision is not high when causing the assembling of camera lens module.Secondly, the round as a ball of the centering edging of eyeglass and optical filter need be processed respectively, promptly, in the process, eyeglass and optical filter will be gone up board respectively, fix, process, descend the process of board, have increased the production time, are unfavorable for improving productive rate and machinery utilization rate.
Therefore, be necessary to provide a kind of method for manufacturing optical element that can improve assembly precision, save time and improve productive rate.
Summary of the invention
A kind of method for manufacturing optical element comprises step:
Optical mirror slip to be processed and optical filter to be processed are provided;
Utilize an optical adhesive that this optical filter one surface is bonded in this optical mirror slip one surface;
Solidify above-mentioned optical adhesive, so that this optical filter and this optical mirror slip gummed;
The optical mirror slip and the optical filter of gummed are processed;
Remove this optical adhesive, thereby obtain the eyeglass of processing optical separately and processed optical filter.
In the technical program, can utilize uniform machinery simultaneously optical mirror slip and optical filter to be processed, the machining precision of optical mirror slip and optical filter is more consistent, helps to improve assembly precision.And the processing of optical mirror slip and optical filter is carried out in same step, helps to reduce the production time, improves productive rate.
Description of drawings
Fig. 1 is the method for manufacturing optical element process flow diagram that embodiment of the present invention provides.
Fig. 2 A～2D is the method for manufacturing optical element synoptic diagram that the embodiment of the invention one provides.
Fig. 3 A～3E is the method for manufacturing optical element synoptic diagram that the embodiment of the invention two provides.
Embodiment
Below in conjunction with accompanying drawing, present embodiment is described in further detail.
See also Fig. 1, present embodiment provides a kind of method for manufacturing optical element, may further comprise the steps:
(1) provides optical mirror slip to be processed and optical filter to be processed.
This optical mirror slip to be processed is the optical mirror slip on reduction undetermined limit, as the glass mirror on reduction undetermined limit.The specific process of above-mentioned reduction undetermined limit glass mirror is: after selecting material, cut the glass base substrate to be processed of suitable size from the glass base substrate of monoblock; Utilize emery wheel that the optical glass base substrate of bulk is ground to form circular external shape, become a glass preform; Again with this preform by grinding or press moulding mode is shaped to the optical mirror slip of reservation shape, this glass mirror is the optical mirror slip on reduction undetermined limit.
This optical filter to be processed can be to treat round as a ball optical filter,, in the process of eyeglass, directly carries out the optical filter of round as a ball processing follow-up that is.Concrete procedure of processing is: predetermined optical filter master slice is cut into the optical filter of preliminary dimension, and this optical filter is treats round as a ball optical filter.This treats that round as a ball optical filter should have the pre-allowance of 1～5mm usually, with as Attrition Reserve possible in the process.It is square that this treats that the profile of round as a ball optical filter can be, and also can be other shape.
Certainly, this optical filter to be processed also can be the optical filter master slice, it can be earlier and the eyeglass gummed, be benchmark again with the lens dimension, adopt cutting tool with this optical filter master slice cut into size shape all more consistent treat round as a ball optical filter, then to the eyeglass of this gummed with treat that round as a ball filter unit carries out following process.In the process of cutting optical filter master slice, should control the cutting processing parameter to avoid damaging optical mirror slip.
Optical mirror slip to be processed and optical filter to be processed can be the optical elements that is used for same camera lens module, be processed with together and be beneficial to eyeglass and cooperate with the high unity and the accurate of geomery of optical filter machining precision, help improving the assembly precision of camera lens module, make lens module performance more good.
(2) utilize an optical adhesive that this optical filter one surface is bonded in this optical mirror slip one surface.
Above-mentioned optical filter can be bonded in by following method with optical mirror slip: at optical filter one surface-coated one optical adhesive, then optical mirror slip is positioned over the surface that optical filter is coated with ease of solubility glue, so that optical mirror slip is adhered to optical filter, form an integral body.
In addition, above-mentioned optical filter also can be bonded in by following method with optical mirror slip: at optical mirror slip one surface-coated one optical adhesive, the surface that then this is coated with optical adhesive contacts with optical filter one surface, so that optical mirror slip is adhered to optical filter, forms an integral body.
Optical mirror slip and optical filter can be to be bonded in one to one together, promptly, the round as a ball optical mirror slip of waiting to feel relieved is treated that with shape size is corresponding round as a ball optical filter is bonded in, form an eyeglass to be processed and the assembled unit of optical filter, be used for further following process.
Optical mirror slip and optical filter also can be many-one be bonded in together, that is, a plurality of round as a ball optical mirror slips of waiting to feel relieved are bonded in an optical filter master slice to be cut.In subsequent process steps, can be cut into a plurality of above-mentioned eyeglasses to be processed and the assembled unit of optical filter, to carry out further following process.Preferably, these a plurality of optical mirror slips adhere to a surface of this optical filter master slice to be cut with answering marshalling.
This optical adhesive water can be ultra-violet curing glue, also can be heat-curable glue.In the technical program, can select suitable optical adhesive according to the character of optical element.For example, when selecting heat-curable glue, should select solidification temperature to be lower than the heat-curable glue of the glass temperature of optical mirror slip and optical filter.
(3) solidify above-mentioned optical adhesive, so that this optical filter and this optical mirror slip gummed.
This optical adhesive is solidified so that optical mirror slip closely is glued at optical filter, be convenient to following process.
According to the kind of optical adhesive, select corresponding curing mode that it is cured.For example, when using ultra-violet curing glue that optical filter and optical mirror slip are bonded in a time-out, with optical filter and optical mirror slip with the UV-irradiation certain hour, treat the ultra-violet curing adhesive curing after, promptly optical filter stops to shine after optical mirror slip closely is glued at.When using heat-curable glue that optical filter and optical mirror slip are bonded in a time-out, optical filter and optical mirror slip can be heated, keep a period of time under the uniform temperature condition, solidify until heat-curable glue, be about to optical filter after optical mirror slip closely is glued at, stop heating.
(4) optical mirror slip and the optical filter of gummed are processed.
To process through optical mirror slip and optical filter that above-mentioned processing procedure closely is glued at together with centering-edging machine.Centering-edging machine can also can carry out round as a ball processing to feel relieved edging processing of optical element.In the present embodiment, utilize centering-edging machine to carry out centering edging and the round as a ball processing for the treatment of round as a ball optical filter that reduction marginal ray undetermined is learned eyeglass simultaneously, with emery wheel with glue and optical mirror slip to be processed and the assembled unit of optical filter grind, optical mirror slip and optical filter are made measure-alike circular profile, be processed into feel relieved edging optical mirror slip and round as a ball optical filter.
(5) remove this optical adhesive, thereby obtain the eyeglass of processing optical separately and processed optical filter.
Remove this optical adhesive, thereby the optical mirror slip and the optical filter that closely are glued at together are separated from each other, optical mirror slip of having been processed and the optical filter of having processed.
In the technical program, can select suitable tackifier removing method according to the character of optical adhesive.For example, when this optical adhesive is water-soluble glue, can this peptization be separated by hydrolysis method, be about to this closely be glued at together optical mirror slip and optical filter be positioned over uniform temperature water in a period of time, after this glue is dissolved in the water fully, optical filter and optical mirror slip are taken out, and carry out cleaning, drying.When this optical adhesive was soluble in organic solvent, the optical mirror slip and the optical filter that this closely can be glued at together were positioned over a period of time in the corresponding organic solvent, after this glue dissolves fully, optical filter and optical mirror slip are taken out, and cleaning, drying.
In the process of above-mentioned this glue of removal, preferably optical mirror slip and optical filter are immersed in the solvent of this tackifier fully, so that its tackifier between the two fully is dissolved in this solvent, the concrete relating to parameters of the temperature of this solvent and standing time and concrete tackifier.
Embodiment one
See also Fig. 2 A～2D, glass mirror that the embodiment of the invention one provides and optical filter job operation are:
The first step as Fig. 2 A, provides reduction undetermined limit glass mirror 11 and treats round as a ball optical filter 12.
In the present embodiment,, the gob system is become reduction undetermined limit glass mirror 11, pass through selection, cutting action is made this with optical filter and treated round as a ball optical filter 12 through operations such as selection, cutting, round as a ball, moulding, thickness mill, polishings.
In second step,, utilize a water-soluble heat-curable glue 13 that these optical filter 12 1 surfaces are bonded in these glass mirror 11 1 surfaces as Fig. 2 B.
In the present embodiment, adopt water-soluble heat-curable glue 13 adhesive glass eyeglasses 11 and optical filter 12, for example, this glue 13 can be the soluble polyurethane heat-curable glue.Glass mirror 11 and optical filter 12 are for being bonded in one to one together, promptly, the round as a ball glass mirror 11 of waiting to feel relieved is positioned over shape size is corresponding treats that round as a ball optical filter 12 is coated with the surface of water-soluble heat-curable glue 13, the assembled unit 10 that forms a glass mirror 11 to be processed and optical filter 12 is to treat further following process.
In the 3rd step, this water-soluble heat-curable glue 13 that is heating and curing is so that this optical filter 12 and these glass mirror 11 gummeds.
In the present embodiment, the detailed process of this glue 13 of being heating and curing is: glass mirror 11 that adheres to together that this is to be processed heats with optical filter 12 assembled units 10, keep certain hour under the uniform temperature condition, after treating that this glue 13 solidifies, be about to this optical filter 12 after glass mirror 11 closely is glued at, stop heating.
In the 4th step,, the optical mirror slip 11 and the optical filter 12 that closely are glued at are together processed as Fig. 2 C.
Centering-edging machine can carry out the centering edging of reduction undetermined limit glass mirror 11 simultaneously and treat the round as a ball processing of round as a ball optical filter 12.After being glued at together the glass mirror 11 and the assembled unit 10 of optical filter 12 with anchor clamps 14 fixing compacts, drive by emery wheel rotating shaft 15, grind with emery wheel 16, the glass mirror 11 and the optical filter 12 that closely are glued at together are processed into measure-alike circular profile, are processed into the glass mirror 17 of the edging of feeling relieved and round as a ball optical filter 18.
In the 5th step, as Fig. 2 D, remove this water-soluble heat-curable glue 13, thereby obtain the eyeglass of processed glass 17 separately and processed optical filter 18.
In the present embodiment, with this closely be glued at together the eyeglass of processed glass 17 with processed a period of time in the water that optical filter 18 is positioned over uniform temperature, after this glue 13 is dissolved in the water fully, the glass mirror 17 of the separated edging of having felt relieved and round as a ball optical filter 18 are taken out.Can again glass mirror 17 and optical filter 18 be put into water after the taking-up cleans, preferably fully flush away residues in tackifier on glass mirror 17 and the optical filter 18, spot etc., and glass mirror 17 after will cleaning at last and optical filter 18 are positioned in the baker dries.
Embodiment two
See also Fig. 3 A～3E, glass mirror that the embodiment of the invention two provides and optical filter job operation are:
The first step as Fig. 3 A, provides reduction undetermined limit glass mirror 21 and optical filter master slice 22.
By operations such as selection, cutting, round as a ball, moulding, thickness mill, polishings, produce a plurality of reductions undetermined limit glass mirror 21.And an optical filter master slice 22 is provided, it is thereon bonding to be used for that a plurality of reduction marginal raies undetermined are learned eyeglass 21.This optical filter master slice 22 can cut into a plurality of round as a ball optical filters 24 for the treatment of.
In second step,, utilize a water-soluble ultra-violet curing glue 23 that these optical filter 22 1 surfaces are bonded in these glass mirror 21 1 surfaces as Fig. 3 B.
In the present embodiment, adopt water-soluble ultra-violet curing glue 23 adhesive glass eyeglasses 21 and optical filter master slice 22, for example, this glue 23 can be water-soluble acrylic ultra-violet curing glue.A plurality of reductions undetermined limit glass mirror 21 is positioned over the surface that an optical filter master slice 22 is coated with this glue 23, and preferably, these a plurality of glass mirror 21 adhere to this surface with answering marshalling.
In subsequent process steps, can cut this optical filter master slice 22, obtain a plurality of assembled units to be processed 20 treating further following process, this assembled unit to be processed 20 each by be bonded in together reduction undetermined limit glass mirror 21 and one treat that round as a ball optical filter 24 forms.In the present embodiment, optical filter master slice 22 cut into a plurality ofly treat that the step of round as a ball optical filter 24 is after sodified water dissolubility ultra-violet curing glue 23, carry out round as a ball first being processed and carry out.
In the 3rd step, utilize UV-irradiation to solidify this water-soluble ultra-violet curing glue 23, so that this optical filter master slice 22 closely is glued at glass mirror 21.
In the present embodiment, utilize the detailed process that UV-irradiation is solidified this glue 23 to be: with optical filter master slice 22 and glass mirror 21 with the UV-irradiation certain hour, after treating that this ultra-violet curing glue 23 solidifies, promptly optical filter master slice 22 stops irradiation after glass mirror 21 closely is glued at.
In the 4th step, the glass mirror 21 and the optical filter 24 that closely are glued at are together processed.
In the present embodiment, after this ultra-violet curing glue 23 solidified, carry out the first being processed of optical element, further comprise the step of a cutting optical filter master slice 22 with centering-edging machine.As Fig. 3 C, there is the optical filter master slice 22 of a plurality of glass mirror 21 to cut into a plurality of little round as a ball optical filters 24 for the treatment of with should the surface neat closely gummed of cutting tool 25, each treats that round as a ball optical filter 24 surfaces respectively are stained with a reduction undetermined limit glass mirror 21, and each one of being bonded in together treats round as a ball optical filter 24 and unit 20 to be processed of reduction undetermined limit glass mirror 21 compositions.
As Fig. 3 D, being glued at together reduction marginal ray to be processed undetermined with anchor clamps 26 fixing compacts learns eyeglass 21 and treats after the assembled unit 20 of round as a ball optical filter 24, drive by emery wheel rotating shaft 27, with emery wheel 28 assembled unit to be processed 20 is ground, carry out reduction marginal ray undetermined simultaneously and learn the centering edging and the round as a ball processing for the treatment of round as a ball optical filter 24 of eyeglass 21, optical mirror slip 21 and optical filter 24 are ground to form measure-alike circular profile, be processed into the optical mirror slip 29 of the edging of feeling relieved and round as a ball optical filter 30.
In the 5th step, as Fig. 3 E, remove this glue 23, thereby obtain the eyeglass of processing optical 29 separately and processed optical filter 30.
In the present embodiment, with this closely be glued at together the eyeglass of processing optical 29 with processed a period of time in the water that optical filter 30 is positioned over uniform temperature, after this glue 23 is dissolved in the water fully, with separated felt relieved edging optical mirror slip 29 and 30 taking-ups of round as a ball optical filter.Can again optical mirror slip 29 and optical filter 30 be put into water after the taking-up cleans, preferably fully flush away residues in tackifier on glass mirror 29 and the optical filter 30, spot etc., and glass mirror 29 after will cleaning at last and optical filter 30 are positioned in a baker dries.
In the present embodiment, can obtain the glass mirror 29 of a plurality of edgings of having felt relieved and round as a ball optical filter 30.
In the technical program, utilize same centering-edging machine to carry out the round as a ball processing of the centering edging and the optical filter of optical mirror slip, the machining precision of optical mirror slip and optical filter is more consistent, helps to improve the assembly precision of camera lens module.And round as a ball being processed as simultaneously of the centering edging of optical mirror slip and optical filter carried out, and helps to reduce the production time, improves productive rate.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection domain that all should belong to claim of the present invention with distortion.
Claims (13)
1. method for manufacturing optical element comprises step:
Optical mirror slip to be processed and optical filter to be processed are provided;
Utilize an optical adhesive that this optical filter one surface is bonded in this optical mirror slip one surface;
Solidify above-mentioned optical adhesive, so that this optical filter and this optical mirror slip gummed;
The optical mirror slip and the optical filter of gummed are processed;
Remove this optical adhesive, thereby obtain the eyeglass of processing optical separately and processed optical filter.
2. method for manufacturing optical element as claimed in claim 1 is characterized in that, described optical mirror slip to be processed is that reduction marginal ray undetermined is learned eyeglass.
3. method for manufacturing optical element as claimed in claim 1 is characterized in that, described optical filter to be processed is for treating round as a ball optical filter.
4. method for manufacturing optical element as claimed in claim 1, it is characterized in that, this optical mirror slip to be processed is a plurality of, this optical filter to be processed is one, utilize optical adhesive should a plurality of optical mirror slips to bond on this optical filter surface, solidify optical adhesive after, be benchmark with the lens dimension, optical filter is cut, obtain a plurality of be glued at together eyeglass and the assembled unit of optical filter.
5. method for manufacturing optical element as claimed in claim 1 is characterized in that, described optical adhesive is a ultra-violet curing glue.
6. method for manufacturing optical element as claimed in claim 1 is characterized in that, described optical adhesive is a heat-curable glue.
7. method for manufacturing optical element as claimed in claim 1 is characterized in that, describedly with this optical filter one surface with the step that this optical mirror slip one surface is bonded in is:
One optical adhesive is coated on optical filter one surface; Optical mirror slip is placed on this surface, this optical filter one surface is bonded in this optical mirror slip one surface.
8. method for manufacturing optical element as claimed in claim 1 is characterized in that, describedly with this optical filter one surface with the step that this optical mirror slip one surface is bonded in is:
One optical adhesive is coated on optical mirror slip one surface; The surface that this optical mirror slip is coated with optical adhesive contacts with optical filter one surface, and this optical filter one surface is bonded in this optical mirror slip one surface.
9. method for manufacturing optical element as claimed in claim 1 is characterized in that, utilizes centering-edging machine that the optical mirror slip and the optical filter of gummed are processed.
10. method for manufacturing optical element as claimed in claim 9 is characterized in that, utilizes centering-edging machine to feel relieved edging processing of eyeglass, and optical filter is carried out round as a ball processing.
11. method for manufacturing optical element as claimed in claim 1 is characterized in that, optical mirror slip and the optical filter that is glued at together is positioned over this optical adhesive of removal in the water.
12. method for manufacturing optical element as claimed in claim 1 is characterized in that, optical mirror slip and the optical filter that is glued at together is positioned over this optical adhesive of removal in the organic solvent.
13. method for manufacturing optical element as claimed in claim 1 is characterized in that, remove this optical adhesive after, further optical mirror slip and optical filter are cleaned and dry.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100626148A CN101144879A (en) | 2006-09-15 | 2006-09-15 | Method for manufacturing optical element |
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|---|---|---|---|
| CNA2006100626148A CN101144879A (en) | 2006-09-15 | 2006-09-15 | Method for manufacturing optical element |
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Cited By (14)
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| CN101957469A (en) * | 2010-08-27 | 2011-01-26 | 苏州五方光电科技有限公司 | Production process method of ultrared cutoff filter |
| CN101957467A (en) * | 2010-08-27 | 2011-01-26 | 苏州五方光电科技有限公司 | Production technical method of infrared cut-off filter |
| CN101957468A (en) * | 2010-08-27 | 2011-01-26 | 苏州五方光电科技有限公司 | Production process method of infrared cut-off filters |
| CN101957466A (en) * | 2010-08-27 | 2011-01-26 | 苏州五方光电科技有限公司 | Process for producing infrared ray cut-off filter (IRCF) |
| CN101745667B (en) * | 2008-12-22 | 2011-09-21 | 西安飞机工业（集团）有限责任公司 | Milling method of organic glass light guide plate |
| CN105472223A (en) * | 2015-12-10 | 2016-04-06 | 联想(北京)有限公司 | Camera manufacturing method and camera |
| CN105571824A (en) * | 2014-10-13 | 2016-05-11 | 南昌欧菲光电技术有限公司 | Optical filter testing method and optical filter testing device |
| CN106271967A (en) * | 2016-08-16 | 2017-01-04 | 信阳舜宇光学有限公司 | The processing method of optical prism |
| CN106526717A (en) * | 2016-12-16 | 2017-03-22 | 福建福光光电科技有限公司 | Spherical lens bonding product poor appearance repair technology |
| CN106652807A (en) * | 2017-01-03 | 2017-05-10 | 京东方科技集团股份有限公司 | Splicing display screen and display method thereof and display device |
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| CN110488404A (en) * | 2019-07-26 | 2019-11-22 | 中国科学院长春光学精密机械与物理研究所 | A kind of lossless cutting method of diffraction grating |
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| CN101745667B (en) * | 2008-12-22 | 2011-09-21 | 西安飞机工业（集团）有限责任公司 | Milling method of organic glass light guide plate |
| CN101957467A (en) * | 2010-08-27 | 2011-01-26 | 苏州五方光电科技有限公司 | Production technical method of infrared cut-off filter |
| CN101957468A (en) * | 2010-08-27 | 2011-01-26 | 苏州五方光电科技有限公司 | Production process method of infrared cut-off filters |
| CN101957466A (en) * | 2010-08-27 | 2011-01-26 | 苏州五方光电科技有限公司 | Process for producing infrared ray cut-off filter (IRCF) |
| CN101957469A (en) * | 2010-08-27 | 2011-01-26 | 苏州五方光电科技有限公司 | Production process method of ultrared cutoff filter |
| CN105571824A (en) * | 2014-10-13 | 2016-05-11 | 南昌欧菲光电技术有限公司 | Optical filter testing method and optical filter testing device |
| CN105571824B (en) * | 2014-10-13 | 2019-01-04 | 南昌欧菲光电技术有限公司 | The optical filter method of inspection and device |
| CN105472223B (en) * | 2015-12-10 | 2019-03-29 | 联想(北京)有限公司 | Camera production method and camera |
| CN105472223A (en) * | 2015-12-10 | 2016-04-06 | 联想(北京)有限公司 | Camera manufacturing method and camera |
| CN106271967A (en) * | 2016-08-16 | 2017-01-04 | 信阳舜宇光学有限公司 | The processing method of optical prism |
| CN106271967B (en) * | 2016-08-16 | 2019-10-11 | 信阳舜宇光学有限公司 | The processing method of optical prism |
| CN106526717A (en) * | 2016-12-16 | 2017-03-22 | 福建福光光电科技有限公司 | Spherical lens bonding product poor appearance repair technology |
| CN106652807A (en) * | 2017-01-03 | 2017-05-10 | 京东方科技集团股份有限公司 | Splicing display screen and display method thereof and display device |
| CN109799587A (en) * | 2018-11-22 | 2019-05-24 | 深圳阿珂法先进科技有限公司 | A kind of pair of bare fibre or optical device carry out temporarily or permanently fixed method |
| CN110441881A (en) * | 2019-04-23 | 2019-11-12 | 南阳利达光电有限公司 | A kind of Special-shaped high-precision optical cemented doublet processing technology |
| CN110488404A (en) * | 2019-07-26 | 2019-11-22 | 中国科学院长春光学精密机械与物理研究所 | A kind of lossless cutting method of diffraction grating |
| CN115321472A (en) * | 2022-08-26 | 2022-11-11 | 美迪凯(浙江)智能光电科技有限公司 | Preparation process of optical glass recombinant mother board |
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