CN102540383A - Lens module manufacturing method - Google Patents
Lens module manufacturing method Download PDFInfo
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- CN102540383A CN102540383A CN2010105913268A CN201010591326A CN102540383A CN 102540383 A CN102540383 A CN 102540383A CN 2010105913268 A CN2010105913268 A CN 2010105913268A CN 201010591326 A CN201010591326 A CN 201010591326A CN 102540383 A CN102540383 A CN 102540383A
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- lens
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- aligning structure
- top cover
- aligning
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Abstract
A lens module manufacturing method includes the following steps of preparing a light pervious substrate, a top cap array and at least one lens array, dispensing glue on an impervious hole area of the top cap array, adhering at least one lens array with the top cap array by glue, dispensing glue on the lens array and fixing the same onto the light pervious substrate, treating the lens array and the light pervious substrate which are adhered with each other by heat, attaching an aligning belt onto the top cap array and cutting the lens module array along the stacking direction of the aligning belt, the top cap array, the lens array and the light pervious substrate, and finally tearing off the aligning belt so as to obtain multiple lens modules. The lens module manufacturing method has simple steps and is capable of improving production efficiency and product quality.
Description
Technical field
The present invention relates to camera lens and make the field, relate in particular to a kind of lens module manufacturing method.
Background technology
Along with the development of camera technique, the camera lens module is widely used in the camera head of various uses, and the camera lens module combines with various portable electron devices such as mobile phone, computing machine etc., more obtains numerous consumers' favor.
Typical camera lens module generally includes microscope base, with the lens barrel of microscope base engagement and be contained in the optical element in the lens barrel.Said optical element comprises eyeglass, optical filter, and in order to the distance member of interval eyeglass and optical filter, like interval body etc.When the camera lens module is assembled, usually need assemblies such as said eyeglass, optical filter and interval body are packed in the lens barrel according to a definite sequence one by one, and then above-mentioned lens barrel is screwed in the microscope base to be assembled into a camera lens module.So, package program is complicated, and camera lens module of every assembling promptly need spend more manpower and materials, inefficiency.And when producing the camera lens module in batches, each camera lens module all independently forms, the assembling tolerance (for example offset) that is difficult to guarantee each camera lens module in comparatively close scope, thereby cause camera lens module quality to descend.
Summary of the invention
In view of this, be necessary to provide a kind of lens module manufacturing method that improves camera lens module production efficiency and product quality.
A kind of lens module manufacturing method, it comprises: a transparent substrates is provided, and this transparent substrates has a first surface; One top cover array is provided; This top cover array comprises a plurality of light holes district and a plurality of respectively around the non-light hole district in this light hole district; This light hole district offers a plurality of light holes; This non-light hole district has the second surface towards this first surface, and on this second surface to being provided with a plurality of first aligning structure respectively in a plurality of light holes district; At least one lens array is provided; This lens array comprises a plurality of lens region and a plurality of non-lens region corresponding to non-light hole district corresponding to this light hole district; Have an eyeglass in each lens region, each non-lens region has the 3rd surface and the 4th surface away from this first surface of this first surface of vicinity, extends a plurality of feets on the 3rd surface; A plurality of second aligning structure are set on the 4th surface; These a plurality of feets are supported on the first surface of this transparent substrates, and these a plurality of first aligning structure engage with these a plurality of second aligning structure respectively, so that these a plurality of eyeglasses are coaxial with these a plurality of light holes respectively; Glue on non-light hole district's point of this top cover array, and should a plurality of first aligning structure cooperate with these a plurality of second aligning structure contrapositions respectively, this at least one lens array and this top cover array are bonded together through said glue; Putting glue on a plurality of feets of this at least one lens array, and this feet is being fixed on this transparent substrates first surface, this at least one lens array and this transparent substrates are bonded together through said glue; Lens array after bonding and transparent substrates are heat-treated; And aim at band with one and be attached on the said top cover array, and aim at the non-light hole district of band, this top cover array, at least one non-lens region of this at least one lens array and this lens module array of stacking direction cutting of this transparent substrates along this; Tear said aligning band to obtain a plurality of camera lens modules.
With respect to prior art; Owing to have first, second aligning structure between said second lens array and the top cover array; Therefore can assemble lens module array through the cooperation between first, second aligning structure; Reducing the generation of eccentric phenomena, and can further obtain a plurality of camera lens modules, thereby reduce the step of making the camera lens module through cutting this lens module array.And, will aim at band in the cutting process and be attached on the top cover array, when utilizing cutting machine to cut,, thereby can reduce product rejection rate because cutting belt can protect the top cover array not by scratch, improve the quality of products.
Description of drawings
Fig. 1 is the process flow diagram of lens module manufacturing method provided by the invention.
Fig. 2 is the section decomposing schematic representation of the lens module array in the lens module manufacturing method shown in Figure 1.
Fig. 3 is the assembling synoptic diagram of lens module array shown in Figure 2.
Fig. 4 is the diagrammatic cross-section of the camera lens module of cutting lens module array gained shown in Figure 3.
The main element symbol description
Camera lens module 200
The 4th aligning structure 210
The first ring part 211a
The first eyeglass 211b
The first non-lens region 213
The 3rd surperficial 213a
The 5th surperficial 213b
The 3rd aligning structure 217
The second non-lens region 233
The 6th surperficial 233b
Second aligning structure 239
Non-light hole district 33
Accepting hole 311
First aligning structure 331
Aligning is with 40
Embodiment
To combine accompanying drawing that the present invention is done further explain below.
Please consult Fig. 1 to Fig. 4 in the lump, the present invention provides a kind of lens module manufacturing method, and it specifically comprises step S101～S109.
Step S101 a: transparent substrates 10 is provided.In this embodiment, this transparent substrates 10 is an IR-cut (IR Cut Filter) optical filter, and this transparent substrates 10 has a first surface 101.
Step S103: a top cover array 30 is provided.This top cover array 30 can adopt the black material or the material of tool interception to process.In this embodiment, this top cover array 30 comprises a plurality of light holes district 31 and a plurality of non-light holes district 33, and wherein, this a plurality of light holes district 31 is provided with these 33 spaces, a plurality of non-light holes district, and each non-light hole district 33 is provided with around this each light hole district 31.Each non-light hole district 33 has one and these first surface 101 opposing second surface 103; Each light hole district 31 offers an accepting hole 311 and a light hole 313 successively along the direction of vertical this second surface 103; Wherein, this light hole 313 is opened on the bottom surface 311a of these accepting hole 311 relative these second surfaces 103.In this embodiment, this accepting hole 311 can be a square hole or a circular hole, and this light hole 313 is the truncated cones shape, and its internal diameter is increased to the direction away from this second surface 103 by contiguous second surface 103 gradually.In this embodiment, the non-light hole district 33 of this top cover array 30 has a plurality of first aligning structure 331 that are arranged on this second surface 103.
Step S105: a lens array unit 20 is provided.In this embodiment, this lens array unit 20 comprises one first lens array 21 and second lens array 23 that is fixed each other with this first lens array 21.Concrete; This first lens array 21 is arranged between this substrate 10 and this second lens array 23, a plurality of first non-lens region 213 that it has a plurality of first lens region 211 that correspond respectively to this light hole district 31 and corresponds respectively to a plurality of said non-light holes district 33.Accordingly, these a plurality of first lens region 211 are provided with these first non-lens region, 213 spaces, and are connected with this first non-lens region 213.Each first lens region 211 has one first ring part 211a and one first eyeglass 211b, and this first ring part 211a is around the first eyeglass 211b corresponding with it and connect this first non-lens region 213.These first non-lens region, 213 relative both sides have one the 3rd surperficial 213a and one the 5th surperficial 213b respectively; Wherein, The 3rd surperficial 213a is positioned at the side near this transparent substrates 10, and the 5th surperficial 213b is positioned at the opposite side away from this transparent substrates 10.In addition, the 3rd surperficial 213a is along extending a plurality of feets 215 away from a side of this top cover array 30.
This second lens array 23 is arranged between this first lens array 21 and this top cover array 30, and this second lens array 23 has a plurality of second lens region 231 that correspond respectively to this light hole district 31 and corresponds respectively to a plurality of second non-lens region 233 in a plurality of said non-light holes district 33.These a plurality of second lens region 231 are provided with these second non-lens region, 233 spaces, and are connected with this second non-lens region 233.Each second lens region 231 has one second ring part 235 and one second eyeglass 237, and this second ring part 235 is around second eyeglass 237 corresponding with it and connect this second non-lens region 233.These second non-lens region, 233 relative both sides have one the 4th surperficial 233a and one the 6th surperficial 233b respectively; Wherein, The 4th surperficial 233a is positioned at the side near this transparent substrates 10, and the 6th surperficial 233b is positioned at the opposite side away from this transparent substrates 10.
In this embodiment; The first non-lens region 213 of this first lens array 21 has a plurality of the 3rd aligning structure 217 that are arranged on the 5th surperficial 213b, and the second non-lens region 233 of this second lens array 23 has a plurality of second aligning structure 239 and a plurality of the 4th aligning structure 210 that are arranged on the 6th surperficial 233b that are arranged on the 4th surperficial 233a.Concrete; In this embodiment; This first aligning structure 331 and the 3rd aligning structure 217 are respectively depression, and it is protruding that this second aligning structure 239 and the 4th aligning structure 210 are respectively, wherein; This first aligning structure 331 is complementary with the 4th aligning structure 210, and the 3rd aligning structure 217 is complementary with this second aligning structure 239.More specifically, said depression can be circular depressed, also can be square depression, triangular shaped recess; Or ring-shaped depression, accordingly, said convexity can be the cylindrical shape convexity; Also can be cubic convexity, triangular columnar projections, or annular protrusion, generally; Said depression can be mated each other between the two with it with protruding shape and is advisable, and is not limited to embodiment.
In addition; In this embodiment; The sidewall of depression can be provided for accommodating a plurality of first glue groove 239a of glue, a plurality of second glue groove 215a and a plurality of thirdly glue groove 331a respectively in the end face of these second aligning structure, 239 protrusions, the end face of this feet 215 and this first contraposition mechanism 331.
In this embodiment, this transparent substrates 10 is a platy structure, and this top cover array 30, first lens array 21 and second lens array 23 have a tabular outline respectively.For example, this transparent substrates 10 can be a square platy structure, and this top cover array 30, first lens array 21 and second lens array 23 can be distinguished the square tabular outline of corresponding tool.In other change embodiment, this transparent substrates 10 also can be a circular platy structure, and accordingly, this top cover array 30, first lens array 21 and second lens array 23 be the circular tabular outline of tool respectively.
Step S107: in the non-light hole district 33 of this top cover array 30, put glue; And should a plurality of first aligning structure 331 cooperate with these a plurality of the 4th aligning structure 210 contrapositions respectively, this lens array unit 20 is bonded together with this top cover array 30 through said glue.In this embodiment, said glue spots in said a plurality of thirdly glue groove 331a, through this thirdly the glue in the glue groove 331a this second lens array 23 is bonded together with this top cover array 30.When this second lens array 23 and this top cover array 30 bonded together, a plurality of second eyeglasses 237 were coaxial with this a plurality of light hole 313 respectively in this second lens array 23.
It is understandable that; Before bonding this second lens array 23 and this top cover array 30; Can in said a plurality of first glue groove 239a, put glue earlier; And should a plurality of the 3rd aligning structure 217 cooperate with these a plurality of second aligning structure 239 contrapositions respectively; Form this lens array unit 20 this first, second lens array 21,23 is bonded together through the glue in this first glue groove 239a, and then through be positioned at this thirdly the glue of glue groove 331a this lens array unit 20 is bonded together with this top cover array 30.It is understandable that, when this first, second lens array 21,23 bonds together, in this first lens array 21 a plurality of first eyeglass 211b respectively with this second lens array 23 in a plurality of second eyeglasses 237 coaxial.
Step S109: on these a plurality of feets 215, put glue, and this feet 215 is arranged on these transparent substrates 10 first surfaces 101, this lens array unit 20 is bonded together with this transparent substrates 10 through said glue.
In this embodiment, said glue spots bonds together this first lens array 21 through the glue in this second glue groove 215a in said a plurality of second glue groove 215a with this transparent substrates 10.When top cover array 30, lens array unit 20, when transparent substrates 10 bonds together, it is combined to form lens module array as shown in Figure 3 100 each other.
Step S111: lens array after bonding 20 and transparent substrates 10 are heat-treated, make said glue can melt or be solidified to correspondence position fully.In this embodiment, said glue is the ultraviolet light colloid, through the UV-irradiation heat treated, can make that the glue solidifies at correspondence position.
Step S113: be with 40 to be attached on the said top cover array 30 aligning; And along this aligning with 40, the non-light hole district 33 of this top cover array 30, the non-lens region (comprising the first non-lens region 213 and the second non-lens region 233) of this at least one lens array 20 and the direction that this transparent substrates 10 piles up, cut this lens module array 100 to obtain a plurality of camera lens modules 200.In this embodiment, said aligning is with 40 for the clear plastic sheet, and said aligning is with to be marked with on 40 and measures, be with at aligning for the user to identify line of cut on 40, thus convenient cutting.
In this embodiment, can use dicing saws (figure does not show) that this lens module array 100 is cut.This dicing saws specifically can be quartz wafer cutting machine, Silicon Wafer cutting machine or Ultra-Violet Laser dicing saws.In addition, in cutting process, line of cut can be a straight line; Can be circular arc also, in this embodiment, line of cut be orthogonal many straight lines; Correspondingly, can obtain to have the camera lens module 200 of rectangular-shaped profile, it is understandable that; When line of cut was circular arc, its corresponding acquisition had the camera lens module 200 of cylindrical shape profile.
In addition, after cutting is accomplished, can be according to concrete needs, increase step S115: the said aligning of tearing is with 40.Be with 40 if stay said aligning, little because it is the clear plastic sheet to the influence of camera lens module 200 imagings, and can produce protective effect.
It is understandable that; This lens array unit 20 also can only comprise a lens array 20; For example only comprise one first lens array 21; This moment if a plurality of the 3rd contraposition mechanisms 217 of first lens array 21 can with the first contraposition mechanism 331 of this top cover array 30, just can assemble the lens module array 100 that formation is made up of this top cover array 30, first lens array 21 and transparent substrates 10.Further, when this lens module array 100 of cutting obtained a plurality of camera lens module 200, these camera lens module 200 correspondences only comprised an eyeglass.
In other change embodiment, this lens array unit 20 also can comprise a plurality of, and like the lens array more than three 20, at this moment, cutting lens module array 100 will obtain comprising the camera lens module 200 of respective number eyeglass.
Owing to have first, second aligning structure 331,239 between said second lens array 23 and the top cover array 30; And has the 3rd, the 4th aligning structure 217,210 between first lens array 21 and second lens array 23; Therefore can assemble lens module array 100 through first, second aligning structure 331, the cooperation and the 3rd, the 4th aligning structure 217 between 239, the cooperation between 210; To reduce the generation of eccentric phenomena; And can further obtain a plurality of camera lens modules 200, thereby reduce the step of making camera lens module 200 through this lens module array 100 of cutting.And, will aim in the cutting process and be with 40 to be attached on the top cover array 30, when utilizing cutting machine to cut,, thereby can reduce product rejection rate because cutting belt can protect top cover array 30 not by scratch.In addition, first, second eyeglass 210 that said camera lens module 200 comprises, have preferable concentricity between 237, can avoid eccentric phenomena in the manufacture process, thereby correspondingly improve end product quality.
Be noted that above-mentioned embodiment is merely preferred embodiments of the present invention, those skilled in the art also can do other variation in spirit of the present invention.These all should be included within the present invention's scope required for protection according to the variation that the present invention's spirit is done.
Claims (9)
1. lens module manufacturing method, it comprises:
One transparent substrates is provided, and this transparent substrates has a first surface;
One top cover array is provided; This top cover array comprises a plurality of light holes district and a plurality of respectively around the non-light hole district in this light hole district; This light hole district offers a plurality of light holes; This non-light hole district has the second surface towards this first surface, and on this second surface to being provided with a plurality of first aligning structure respectively in a plurality of light holes district;
At least one lens array is provided; This lens array comprises a plurality of lens region and a plurality of non-lens region corresponding to non-light hole district corresponding to this light hole district; Have an eyeglass in each lens region, each non-lens region has the 3rd surface and the 4th surface away from this first surface of this first surface of vicinity, extends a plurality of feets on the 3rd surface; A plurality of second aligning structure are set on the 4th surface; These a plurality of feets are supported on the first surface of this transparent substrates, and these a plurality of first aligning structure engage with these a plurality of second aligning structure respectively, so that these a plurality of eyeglasses are coaxial with these a plurality of light holes respectively;
Glue on non-light hole district's point of this top cover array, and should a plurality of first aligning structure cooperate with these a plurality of second aligning structure contrapositions respectively, this at least one lens array and this top cover array are bonded together through said glue;
Putting glue on a plurality of feets of this at least one lens array, and this feet is being fixed on this transparent substrates first surface, this at least one lens array and this transparent substrates are bonded together through said glue;
Lens array after bonding and transparent substrates are heat-treated; And
Aim at band with one and be attached on the said top cover array, and aim at the non-light hole district of band, this top cover array, at least one non-lens region of this at least one lens array and this lens module array of stacking direction cutting of this transparent substrates along this;
Tear said aligning band to obtain a plurality of camera lens modules.
2. lens module manufacturing method as claimed in claim 1; It is characterized in that; In the said step that a top cover array is provided; Each light hole district of this top cover array comprises an accepting hole that is opened on this second surface successively along the direction away from this second surface, and is opened in this light hole on the bottom surface of this accepting hole.
3. lens module manufacturing method as claimed in claim 1 is characterized in that, in the said step that at least one lens array is provided, this at least one lens array comprises:
One first lens array; This first lens array comprises a plurality of first lens region and one first non-lens region; Each lens region in these a plurality of first lens region all has one first eyeglass; This first non-lens region comprises the 3rd surface and this a plurality of feets, and this first non-lens region has one and deviate from the 3rd surperficial the 5th surface, and a plurality of the 3rd aligning structure are set on the 5th surface;
One second lens array; This second lens array comprises that having one comprises a plurality of second lens region and one second non-lens region; Each lens region in these a plurality of second lens region all has one second eyeglass; This second non-lens region comprises the 4th surface and this a plurality of second aligning structure, and this second non-lens region has one and deviate from the 4th surperficial the 6th surface, and a plurality of the 4th aligning structure are set on the 6th surface; These a plurality of the 3rd aligning structure cooperate with these a plurality of the 4th aligning structure respectively, so that these a plurality of first eyeglasses are coaxial with these a plurality of second eyeglasses respectively.
4. lens module manufacturing method as claimed in claim 3; It is characterized in that; This first aligning structure and second aligning structure that is mated comprise a convexity and depression that cooperatively interacts, and the 3rd aligning structure and the 4th aligning structure that is mated comprise a convexity and depression that cooperatively interacts.
5. lens module manufacturing method as claimed in claim 4 is characterized in that, this first aligning structure and the 3rd aligning structure are respectively depression, and it is protruding that this second aligning structure and the 4th aligning structure are respectively.
6. lens module manufacturing method as claimed in claim 4 is characterized in that, the sidewall that caves in the end face of the 4th contraposition mechanism protrusions, the end face of this feet and this first contraposition mechanism offers the some glue groove that is used to accommodate this glue respectively.
7. lens module manufacturing method as claimed in claim 3 is characterized in that, this transparent substrates, this top cover array, this first lens array and this second lens array are mutually bonding through glue respectively.
8. lens module manufacturing method as claimed in claim 1 is characterized in that, a said aligning is with is attached in the step on the said top cover array, and said aligning is with to be marked with and is measured.
9. lens module manufacturing method as claimed in claim 1 is characterized in that, a said aligning is with is attached in the step on the said top cover array, and said aligning band is the clear plastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010591326.8A CN102540383B (en) | 2010-12-16 | 2010-12-16 | Lens module manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010591326.8A CN102540383B (en) | 2010-12-16 | 2010-12-16 | Lens module manufacturing method |
Publications (2)
| Publication Number | Publication Date |
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| CN102540383A true CN102540383A (en) | 2012-07-04 |
| CN102540383B CN102540383B (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010591326.8A Expired - Fee Related CN102540383B (en) | 2010-12-16 | 2010-12-16 | Lens module manufacturing method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1682377A (en) * | 2002-09-17 | 2005-10-12 | 皇家飞利浦电子股份有限公司 | Camera device, method of manufacturing a camera device, wafer scale package |
| CN101556363A (en) * | 2008-04-09 | 2009-10-14 | 鸿富锦精密工业（深圳）有限公司 | Lens module manufacturing method |
| JP2010107891A (en) * | 2008-10-31 | 2010-05-13 | Konica Minolta Opto Inc | Wafer lens assemblage and method of manufacturing the same, lens unit, and imaging device |
| CN201522570U (en) * | 2009-05-14 | 2010-07-07 | 一品光学工业股份有限公司 | Stacked optical glass lens array and stacked lens module |
| CN101852908A (en) * | 2009-03-30 | 2010-10-06 | 鸿富锦精密工业（深圳）有限公司 | Wafer-level lens module array |
-
2010
- 2010-12-16 CN CN201010591326.8A patent/CN102540383B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1682377A (en) * | 2002-09-17 | 2005-10-12 | 皇家飞利浦电子股份有限公司 | Camera device, method of manufacturing a camera device, wafer scale package |
| CN101556363A (en) * | 2008-04-09 | 2009-10-14 | 鸿富锦精密工业（深圳）有限公司 | Lens module manufacturing method |
| JP2010107891A (en) * | 2008-10-31 | 2010-05-13 | Konica Minolta Opto Inc | Wafer lens assemblage and method of manufacturing the same, lens unit, and imaging device |
| CN101852908A (en) * | 2009-03-30 | 2010-10-06 | 鸿富锦精密工业（深圳）有限公司 | Wafer-level lens module array |
| CN201522570U (en) * | 2009-05-14 | 2010-07-07 | 一品光学工业股份有限公司 | Stacked optical glass lens array and stacked lens module |
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| CN102540383B (en) | 2016-03-09 |
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