CN102723347A - Manufacture method of image sensor lens - Google Patents
Manufacture method of image sensor lens Download PDFInfo
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- CN102723347A CN102723347A CN2012101774392A CN201210177439A CN102723347A CN 102723347 A CN102723347 A CN 102723347A CN 2012101774392 A CN2012101774392 A CN 2012101774392A CN 201210177439 A CN201210177439 A CN 201210177439A CN 102723347 A CN102723347 A CN 102723347A
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- lens
- camera lens
- shape
- imageing sensor
- mould
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Abstract
The invention provides a manufacture method of an image sensor lens, which comprises the following steps: a groove is formed on the surface of a die according to a predeterminated lens shape, and a layer of material for manufacturing a lens is coated on the surface of the die; the material for manufacturing the lens is processed through a photoetching method according to the predeterminated lens shape and the shapes of support bodies on the two sides of the lens, and solidification treatment is performed on the material which is processed and used for manufacturing the lens, so as to produce the image sensor lens. By adopting the manufacture method, provided by the invention, the shape of the processed material for manufacturing the lens and that of the predeterminated lens are completely the same, the accuracy is high, and the method can be used for high-definition image sensors having high requirements to the conditions of the lens. Moreover, the manufacture manner that the die and a set of lighting tool are adopted in a cooperative manner for manufacturing the lens, and the manufacturing cost is effectively reduced.
Description
Technical field
The present invention relates to a kind of imageing sensor lens construction and manufacturing approach thereof, belong to camera lens and make the field.
Background technology
The general employing of imageing sensor camera lens manufacturing of prior art will be fixed on lens materials on the mould through applying certain pressure, and lens materials in irregular shape is pressed into predefined lens shape.
There is following shortcoming at least in above-mentioned prior art:
Mode through exerting pressure need be made the high metallic mould of precision to lens materials is moulding; Cost is higher; And it is lower to the precision control of eyeglass net shape through the pressure plastotype; Very easily cause lens edge can't reach the situation of required precision, such product can not adapt to high-resolution and high-precision image sensor application.
Summary of the invention
The invention provides a kind of imageing sensor with the controlling of sampling function that can realize the down scaling image data amount and improve frame rate; Imageing sensor of the present invention is directly sampled to read to pel array and is controlled; To not carry out geocoding for uninterested pixel column; When output sampling row, along with the minimizing of sampling line number, frame rate will be improved like this.
The objective of the invention is to realize through following technical scheme:
A kind of manufacturing approach of imageing sensor camera lens comprises:
Lens shape by predetermined is split into groove on the surface of mould, and on the surface of said mould, is coated with the material that one deck is made eyeglass;
By the shape of the supporter of predetermined lens shape and eyeglass both sides, through photoetching process the material of said making eyeglass is processed, and the material of the said making eyeglass that machines is cured processing, make said imageing sensor camera lens.
Technical scheme by the invention described above provides can be found out; Imageing sensor camera lens manufacturing approach provided by the invention at first adopts formed in mould mode to accomplish a surface moulding of camera lens; Next adopts the illumination instrument that the lens materials that applies is processed, and finally is cured processing.This processing mode can be realized lens materials when being processed to predefined lens shape, and the eyeglass of shaping and predefined shape are identical, and precision is high, can be applicable to high pixel and the imageing sensor high to the eyeglass conditional request.Adopt the manufacture cooperation of a mould and a cover illumination instrument to carry out the camera lens manufacturing in addition, can effectively reduce manufacturing cost.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skill in the art; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of the manufacturing approach of the imageing sensor camera lens that Fig. 1 provides for embodiment of the present invention;
Fig. 2 to Fig. 7 is an imageing sensor camera lens manufacturing approach course of processing sketch map of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that is obtained under the creative work prerequisite.
As shown in Figure 1, the manufacturing approach of the imageing sensor camera lens that this embodiment provides may further comprise the steps:
Through above step, can machine a camera lens that precision is high, comprise eyeglass part and support column part.In the manufacturing approach of the imageing sensor camera lens that this embodiment provides, only need adopt a cover illumination instrument that camera lens is processed, the moulding of camera lens two sides accomplished through mould and illumination dual mode respectively.This processing mode can be realized lens materials when being processed to predefined lens shape, and the eyeglass of shaping and predefined shape are identical, and precision is high, can be applicable to high pixel and the imageing sensor high to the eyeglass conditional request.Adopt the manufacture cooperation of a mould and a cover illumination instrument to carry out the camera lens manufacturing in addition, can effectively reduce manufacturing cost.
The manufacturing approach of the imageing sensor camera lens that this embodiment provides not only can once be accomplished the processing of an eyeglass; Can also be through the area of increase mould and the tricks of illumination instrument; A plurality of eyeglasses of time processing at one time, this method may further comprise the steps:
Step 21, at first select to be used to make the mould bed material of lens shape, the size of mould and surface area will be selected according to the number of shots of processing simultaneously.Preferably, adopt metallic mould.
Step 22, form the groove of a plurality of these shapes at the mould upper surface according to pre-set lens shape.
Step 23, on mould, smear the material that one deck is made eyeglass, this material height is higher than the camera lens height of making, and this lens materials need have photonasty, is convenient to subsequent step carries out lens shape to this material through means such as photoetching etching.
Step 24, according to the shape of the supporter of predefined lens shape and eyeglass both sides, with photoetching process lens materials is processed.Preferably, lens shape is to the protruding half elliptic in top with substrate normal direction symmetry.Preferably, being shaped as in the discontinuous cross section of lens materials of supporter is square, rectangle, and perhaps circular cylinder, the position lays respectively at the substrate both sides.Lens shape can change according to the different images sensor application.
Step 25, the lens materials that machines is cured processing, makes this material in follow-up manufacturing process, no longer react photoetching.Preferably, the mode of cured comprises UV treatment and heat treated.
Step 26, accomplish the manufacturing of this camera lens, take off the mould of camera lens below, obtain a plurality of camera lens finished products.
Through above step, can realize accomplishing simultaneously the making of a plurality of identical camera lenses, save time in a large number and cost.
The technical scheme that adopts this embodiment to provide at first adopts formed in mould mode to accomplish a surface moulding of camera lens, and next adopts the illumination instrument that the lens materials that applies is processed, and finally is cured processing.This processing mode can be realized lens materials when being processed to predefined lens shape, and the eyeglass of shaping and predefined shape are identical, and precision is high, can be applicable to high pixel and the imageing sensor high to the eyeglass conditional request.Adopt the manufacture cooperation of a mould and a cover illumination instrument to carry out the camera lens manufacturing in addition, can effectively reduce manufacturing cost.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (5)
1. the manufacturing approach of an imageing sensor camera lens is characterized in that, comprising:
Lens shape by predetermined is split into groove on the surface of mould, and on the surface of said mould, is coated with the material that one deck is made eyeglass;
By the shape of the supporter of predetermined lens shape and eyeglass both sides, through photoetching process the material of said making eyeglass is processed, and the material of the said making eyeglass that machines is cured processing, make said imageing sensor camera lens.
2. the manufacturing approach of imageing sensor camera lens according to claim 1 is characterized in that, the bed material of said mould adopts metallic mould.
3. the manufacturing approach of imageing sensor camera lens according to claim 1 is characterized in that, said lens shape is to the protruding half elliptic in top with substrate normal direction symmetry.
4. the manufacturing approach of imageing sensor camera lens according to claim 1 is characterized in that, being shaped as in the discontinuous cross section of lens materials of said supporter is square, rectangle or circular cylinder, and the position lays respectively at the substrate both sides.
5. the manufacturing approach of imageing sensor camera lens according to claim 1 is characterized in that, said cured comprises UV treatment or heat treated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101774392A CN102723347A (en) | 2012-05-31 | 2012-05-31 | Manufacture method of image sensor lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101774392A CN102723347A (en) | 2012-05-31 | 2012-05-31 | Manufacture method of image sensor lens |
Publications (1)
| Publication Number | Publication Date |
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| CN102723347A true CN102723347A (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012101774392A Pending CN102723347A (en) | 2012-05-31 | 2012-05-31 | Manufacture method of image sensor lens |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1517723A (en) * | 2003-01-27 | 2004-08-04 | ���ǵ�����ʽ���� | Method for manufacturing microlens array |
| US20050104240A1 (en) * | 2003-11-14 | 2005-05-19 | Jethmalani Jagdish M. | Method of manufacturing an optical lens |
| US20100142061A1 (en) * | 2008-12-04 | 2010-06-10 | Samsung Electronics Co., Ltd. | Micro lens, method and apparatus for manufacturing micro lens, and camera module including micro lens |
| JP2011008118A (en) * | 2009-06-26 | 2011-01-13 | Fuji Xerox Co Ltd | Photomask and method for producing optical element |
| KR20110138880A (en) * | 2010-06-22 | 2011-12-28 | 삼성전기주식회사 | Wafer lens and manufacturing method for wafer lens |
-
2012
- 2012-05-31 CN CN2012101774392A patent/CN102723347A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1517723A (en) * | 2003-01-27 | 2004-08-04 | ���ǵ�����ʽ���� | Method for manufacturing microlens array |
| US20050104240A1 (en) * | 2003-11-14 | 2005-05-19 | Jethmalani Jagdish M. | Method of manufacturing an optical lens |
| US20100142061A1 (en) * | 2008-12-04 | 2010-06-10 | Samsung Electronics Co., Ltd. | Micro lens, method and apparatus for manufacturing micro lens, and camera module including micro lens |
| JP2011008118A (en) * | 2009-06-26 | 2011-01-13 | Fuji Xerox Co Ltd | Photomask and method for producing optical element |
| KR20110138880A (en) * | 2010-06-22 | 2011-12-28 | 삼성전기주식회사 | Wafer lens and manufacturing method for wafer lens |
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Application publication date: 20121010 |