CN107783217A - It is a kind of to have the production technology taken pictures with the optical filter of iris recognition concurrently - Google Patents
It is a kind of to have the production technology taken pictures with the optical filter of iris recognition concurrently Download PDFInfo
- Publication number
- CN107783217A CN107783217A CN201610721113.XA CN201610721113A CN107783217A CN 107783217 A CN107783217 A CN 107783217A CN 201610721113 A CN201610721113 A CN 201610721113A CN 107783217 A CN107783217 A CN 107783217A
- Authority
- CN
- China
- Prior art keywords
- filter
- layer
- production technology
- optical filter
- infrared band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 30
- 238000005516 engineering process Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000011521 glass Substances 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 11
- 238000007747 plating Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000003848 UV Light-Curing Methods 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 239000000047 product Substances 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 8
- 239000011265 semifinished product Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
Abstract
The invention discloses a kind of production technology for having concurrently and taking pictures with the optical filter of iris recognition, including first cutting step, cleaning step, plating steps, checking procedure, secondary cut step and number of assembling steps；When carrying out plating steps, one layer of anti-reflection film is plated respectively on the surface and the back side of full impregnated light glass gasket, one layer of infrared film is plated on the surface of cutoff filter；One layer of ir bandwidth filtering film is plated on the surface of infrared band pass filter；When carrying out number of assembling steps, first it is coated with one layer of water-soluble UV glue on the back side of cutoff filter and the back side of infrared band pass filter respectively by the way of glued silk-screen, and the photomask that one layer of length is less than 0.1mm is coated with a side edge surfaces of cutoff filter, then UV curing glue, then paste cutoff filter and infrared band pass filter on full impregnated light glass gasket by the way of coating is glued.The product optical filtering function admirable produced using the production technology of the present invention, steady quality.
Description
Technical field
The present invention relates to a kind of production technology for having concurrently and taking pictures with the optical filter of iris recognition.
Background technology
At present, an iris recognition camera module is typically used alone in iris recognition on smart mobile phone, is only used for rainbow
Film identifies and can not carry out visible ray and take pictures, and is applied on smart mobile phone and limitation be present.It is mainly shown as needs increase in addition
One camera module of taking pictures, so not only cause cost, high volume big, and camera bothers with iris identifying function switching.Together
When, because smart mobile phone is compact-sized, no position installs iris recognition camera module simultaneously and camera module of taking pictures.Therefore industry
Interior personage develops a kind of camera module compatible with iris recognition of taking pictures, and the optical filter of the middle use of this module is will be infrared
Edge filter and one piece of infrared band pass filter are integrated into one, without set switching device, be able to realization take pictures and
Iris identifying function.Therefore need to develop a kind of technique for the optical filter for producing this special construction.
The content of the invention
The defects of it is an object of the invention to overcome prior art and a kind of optical filtering for having concurrently and taking pictures with iris recognition is provided
The production technology of piece, the product optical filtering function admirable that it is produced, steady quality, it can apply to take pictures compatible with iris recognition
Camera module.
The object of the present invention is achieved like this：It is a kind of to have the production technology taken pictures with the optical filter of iris recognition concurrently, its
The optical filter produced is made up of two pieces of split parts, i.e., red by one piece of cutoff filter in the same plane and one piece
Outer bandpass filter is spliced, and the length of infrared band pass filter is the 10% to 50% of the length of whole optical filter；
The surface of the seam crossing of the cutoff filter and infrared band pass filter is less than 0.1mm photomasks, institute provided with length
State cutoff filter and infrared band pass filter is fixed on same full impregnated light glass gasket；
The production technology of the present invention includes first cutting step, cleaning step, plating steps, checking procedure, secondary cut
Step and number of assembling steps；Wherein,
When carrying out cleaning step, first the glass after first cutting is put into supersonic wave cleaning machine and cleaned, then will be clear
Glass after washing dries drying；
When carrying out plating steps, the glass after drying is put into plated film in coating machine, the i.e. table in full impregnated light glass gasket
One layer of anti-reflection film is plated on face and the back side respectively, one layer of infrared film is plated on the surface of cutoff filter；Filtered in infrared band logical
One layer of ir bandwidth filtering film is plated on the surface of mating plate；
During step of testing, using spectrometer the semi-finished product for having plated film are carried out with the inspection of light transmitting wavelength；
When carrying out secondary cut step, qualified semi-finished product first will be examined by actual requirement specification using hi-precision cutting machine
Cut, then cleaned and dried；
When carrying out number of assembling steps, first respectively at the back side of cutoff filter and infrared band by the way of glued silk-screen
One layer of water-soluble UV glue is coated with the back side of pass filter, and one layer is coated with a side edge surfaces of cutoff filter
Length is less than 0.1mm photomask, then UV curing glue, then using by the way of coating gluing by cutoff filter and infrared
Bandpass filter is pasted on full impregnated light glass gasket, then the pasting protective film on the finished product assembled.
Above-mentioned has the production technology taken pictures with the optical filter of iris recognition concurrently, wherein, the photomask is black ink.
Above-mentioned has the production technology taken pictures with the optical filter of iris recognition concurrently, wherein, when carrying out number of assembling steps, UV curing
The time of glue is 10S~13S.
Above-mentioned has the production technology taken pictures with the optical filter of iris recognition concurrently, wherein, after carrying out number of assembling steps, also
Carry out product inspection, paster and baking.
The present invention's has the production technology taken pictures with the optical filter of iris recognition concurrently, processing step refining, can produce and appear
Small, thickness of thin the high-precision product of product, the product optical filtering function admirable produced using it, steady quality, can apply to take pictures
The camera module compatible with iris recognition.
Brief description of the drawings
Fig. 1 is to have the plan taken pictures with the optical filter of iris recognition concurrently using what the production technology of the present invention was produced；
Fig. 2 is Fig. 1 cross-sectional view.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 and Fig. 2 are referred to, the optical filter taken pictures using the having concurrently of producing of production technology of the present invention with iris recognition
10 are made up of two pieces of split parts, i.e., by one piece of cutoff filter 11 and one piece of infrared bandpass filter in the same plane
Piece 12 is spliced, and the length of infrared band pass filter 11 is the 10% to 50% of the length of whole optical filter；Infrared section
Only the surface of the seam crossing of optical filter 11 and infrared band pass filter 12 is provided with photomask 13, cutoff filter 11 and red
Outer bandpass filter 12 is fixed on same full impregnated light glass gasket 14；
The present invention's has the production technology taken pictures with the optical filter of iris recognition, including first cutting step, cleaning step concurrently
Suddenly, plating steps, checking procedure, secondary cut step and number of assembling steps；Wherein,
When carrying out first cutting step, chunk glass is cut into the size for being easy to subsequent process steps；
When carrying out cleaning step, first the glass after first cutting is put into supersonic wave cleaning machine and cleaned, then will be clear
Glass after washing dries drying；
When carrying out plating steps, the glass after drying is put into plated film in coating machine, the i.e. table in full impregnated light glass gasket
A layer thickness is plated on face and the back side respectively and is less than 1um anti-reflection films, on the surface of cutoff filter plate a layer thickness be 3~
5um infrared films；It is that 5~6um ir bandwidths filter film that a layer thickness is plated on the surface of infrared band pass filter；
During step of testing, first using spectrometer the semi-finished product for having plated film are carried out with the inspection of light transmitting wavelength, that is, is examined
Cutoff filter is greater than 90% for the light transmittance for the luminous ray that wavelength is 420nm~800nm, examines infrared band logical
Optical filter is greater than 90% to the light transmittance for the near infrared light that wavelength is 800nm~810nm, and filters out wavelength and be
420nm~800nm luminous ray and wavelength is more than 810nm far-infrared light, examines full impregnated light glass gasket for wavelength
Light transmittance for 420nm~850nm light is greater than 90%；Afterwards can to examining qualified semi-finished product to clean, including
Cleaned using supersonic wave cleaning machine and bubble is removed using film mulching method；
Carry out secondary cut step when, first using hi-precision cutting machine by examine it is qualified and cleaning after semi-finished product by reality
It is required that specification is cut, the length sum of cutoff filter and infrared band pass filter is set to be equal to full impregnated light glass gasket
Length, then the glass of well cutting is subjected to ultrasonic wave cleaning and dried, then the dispergation by the way of tunica albuginea is covered；
When carrying out number of assembling steps, the mode of glued silk-screen is first passed through respectively at the back side of cutoff filter and infrared band
Water-soluble UV glue is coated with the back side of pass filter, and one layer of length is coated with a side edge surfaces of cutoff filter
Black ink (photomask) less than 0.1mm, it is ensured that piece and piece drop value are 0.025~0.03mm, then UV curing glue, Gu
The change time is 10S~13S, then is pasted cutoff filter and infrared band pass filter entirely by way of being coated with gluing
On transparent glass pad, the then pasting protective film on the finished product assembled；
After carrying out number of assembling steps, product inspection, paster and baking are also carried out, product inspection is examined including apparent size
Test, the orientation consistency inspection of ir bandwidth on infrared film and infrared band pass filter on cutoff filter filtering film
Test；Paster is carried out on high-precision full-automatic dispensing off-chip all-in-one, and dispensing air pressure is 0.3~0.5KPa, and off-chip is highly
13mm ± 0.01mm, a diameter of 0.05mm of dispensing needle head, the point of cutoff filter and infrared band pass filter binding site
Glue width is 0.05~0.07mm；Baking is carried out in 100 grades of cleaning ovens, and temperature is 95 DEG C ± 5 DEG C, baking time 60
±5min。
Above example is used for illustrative purposes only, rather than limitation of the present invention, the technology people about technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all equivalent
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (4)
1. a kind of have the production technology taken pictures with the optical filter of iris recognition concurrently, it is characterised in that the optical filter is by two pieces points
Body part is formed, i.e., is spliced by one piece of cutoff filter and one piece of infrared band pass filter in the same plane,
And the length of infrared band pass filter is the 10% to 50% of the length of whole optical filter；The cutoff filter with it is red
The surface of the seam crossing of outer bandpass filter is less than 0.1mm photomasks provided with length, the cutoff filter and infrared
Bandpass filter is fixed on same full impregnated light glass gasket；
The production technology includes first cutting step, cleaning step, plating steps, checking procedure, secondary cut step and group
Fill step；Wherein,
When carrying out cleaning step, first the glass after first cutting is put into supersonic wave cleaning machine and cleaned, then by after cleaning
Glass dry drying；
When carrying out plating steps, the glass after drying is put into plated film in coating machine, i.e., on the surface of full impregnated light glass gasket and
One layer of anti-reflection film is plated on the back side respectively, one layer of infrared film is plated on the surface of cutoff filter；In infrared band pass filter
Surface on plating one layer of ir bandwidth filtering film；
During step of testing, using spectrometer the semi-finished product for having plated film are carried out with the inspection of light transmitting wavelength；
When carrying out secondary cut step, first using hi-precision cutting machine qualified semi-finished product will be examined to be carried out by actual requirement specification
Cutting, then cleaned and dried；
When carrying out number of assembling steps, first filtered respectively at the back side of cutoff filter and infrared band logical by the way of glued silk-screen
One layer of water-soluble UV glue is coated with the back side of mating plate, and one layer of length is coated with a side edge surfaces of cutoff filter
Photomask less than 0.1mm, then UV curing glue, then by cutoff filter and infrared band logical by the way of coating is glued
Optical filter is pasted on full impregnated light glass gasket, then the pasting protective film on the finished product assembled.
2. according to claim 1 have the production technology taken pictures with the optical filter of iris recognition concurrently, it is characterised in that described
Photomask is black ink.
3. according to claim 1 have the production technology taken pictures with the optical filter of iris recognition concurrently, it is characterised in that carries out
During number of assembling steps, the time of UV curing glue is 10S~13S.
4. according to claim 1 have the production technology taken pictures with the optical filter of iris recognition concurrently, it is characterised in that carries out
After number of assembling steps, product inspection, paster and baking are also carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610721113.XA CN107783217A (en) | 2016-08-24 | 2016-08-24 | It is a kind of to have the production technology taken pictures with the optical filter of iris recognition concurrently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610721113.XA CN107783217A (en) | 2016-08-24 | 2016-08-24 | It is a kind of to have the production technology taken pictures with the optical filter of iris recognition concurrently |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107783217A true CN107783217A (en) | 2018-03-09 |
Family
ID=61388642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610721113.XA Pending CN107783217A (en) | 2016-08-24 | 2016-08-24 | It is a kind of to have the production technology taken pictures with the optical filter of iris recognition concurrently |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107783217A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357446A (en) * | 2019-07-15 | 2019-10-22 | 浙江美迪凯现代光电有限公司 | A kind of Novel gluing coating process |
| CN112764147A (en) * | 2021-01-27 | 2021-05-07 | 苏州京浜光电科技股份有限公司 | Production method of camera module assembly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1847972A (en) * | 2005-04-15 | 2006-10-18 | 普立尔科技股份有限公司 | Monochip color wheel and its making process |
| CN103152517A (en) * | 2013-02-06 | 2013-06-12 | 北京中科虹霸科技有限公司 | Imaging module for movable iris recognition equipment and movable equipment |
| CN103870805A (en) * | 2014-02-17 | 2014-06-18 | 北京释码大华科技有限公司 | Mobile terminal biological characteristic imaging method and device |
| CN203673096U (en) * | 2013-11-19 | 2014-06-25 | 浙江水晶光电科技股份有限公司 | Two-in-one optical filter |
| CN104394306A (en) * | 2014-11-24 | 2015-03-04 | 北京中科虹霸科技有限公司 | Multi-channel multi-zone coated camera module and equipment for iris recognition |
| CN105511003A (en) * | 2015-12-08 | 2016-04-20 | 江苏星浪光学仪器有限公司 | High-performance optical filter production and processing technology |
| CN205490825U (en) * | 2016-01-06 | 2016-08-17 | 富港电子（东莞）有限公司 | Dual waveband spectral mirror head mould piece |
-
2016
- 2016-08-24 CN CN201610721113.XA patent/CN107783217A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1847972A (en) * | 2005-04-15 | 2006-10-18 | 普立尔科技股份有限公司 | Monochip color wheel and its making process |
| CN103152517A (en) * | 2013-02-06 | 2013-06-12 | 北京中科虹霸科技有限公司 | Imaging module for movable iris recognition equipment and movable equipment |
| CN203673096U (en) * | 2013-11-19 | 2014-06-25 | 浙江水晶光电科技股份有限公司 | Two-in-one optical filter |
| CN103870805A (en) * | 2014-02-17 | 2014-06-18 | 北京释码大华科技有限公司 | Mobile terminal biological characteristic imaging method and device |
| CN104394306A (en) * | 2014-11-24 | 2015-03-04 | 北京中科虹霸科技有限公司 | Multi-channel multi-zone coated camera module and equipment for iris recognition |
| CN105511003A (en) * | 2015-12-08 | 2016-04-20 | 江苏星浪光学仪器有限公司 | High-performance optical filter production and processing technology |
| CN205490825U (en) * | 2016-01-06 | 2016-08-17 | 富港电子（东莞）有限公司 | Dual waveband spectral mirror head mould piece |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357446A (en) * | 2019-07-15 | 2019-10-22 | 浙江美迪凯现代光电有限公司 | A kind of Novel gluing coating process |
| CN112764147A (en) * | 2021-01-27 | 2021-05-07 | 苏州京浜光电科技股份有限公司 | Production method of camera module assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11073639B2 (en) | Infrared cut-off filter and preparation method thereof | |
| CN106659031B (en) | Curved cover plate of mobile terminal and coloring method thereof | |
| CN108347496A (en) | Shell and preparation method thereof | |
| CN107783217A (en) | It is a kind of to have the production technology taken pictures with the optical filter of iris recognition concurrently | |
| CN106774648B (en) | Mobile terminal 3D glass cover plate and ink spraying process method thereof | |
| CN105589123A (en) | Infrared and ultraviolet cutoff filtering film structure for large curvature lens surface and manufacture method thereof | |
| CN106483588A (en) | Eyeglass pad pasting processing method | |
| WO2016176930A1 (en) | Color filter, manufacturing method therefor, and liquid crystal display device | |
| CN106698970B (en) | Prepare method, product and the application for the glass cover-plate that frame is covered with light | |
| CN107512039A (en) | Material and its manufacture method and Mobile phone screen manufacture method are pasted without base material Mobile phone screen | |
| US10324241B2 (en) | Crystal coating optical low pass filter and manufacturing method thereof | |
| CN212194316U (en) | Repair structure of carbon fiber shell surface through type hole and crackle | |
| CN114609835B (en) | Liquid crystal zoom curved lens, preparation method thereof and imaging system | |
| CN206074975U (en) | Camera module optical filter and pedestal integrated formed structure | |
| CN105511003A (en) | High-performance optical filter production and processing technology | |
| CN109379458A (en) | A kind of display device and preparation method thereof | |
| CN105445961A (en) | Method for preparing light and thin toughed glass 3D polarized lens | |
| US20210020123A1 (en) | Manufacturing method of liquid crystal display panel and liquid crystal display panel | |
| CN109468079A (en) | The shell of rupture pressure disc, the preparation method of rupture pressure disc and electronic equipment | |
| CN206863264U (en) | Anti-blue light eyeglass, glasses, the equipment of a kind of colour balance | |
| JP6540420B2 (en) | Method of manufacturing laminated film | |
| CN102736137A (en) | Manufacturing method of optical lens | |
| JP5654768B2 (en) | Lens before edging and manufacturing method of edging lens | |
| CN105712637A (en) | Transparent sheet material, preparation method and electronic equipment | |
| CN111367092A (en) | Anti-ultraviolet photochromic spectacle lens and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180309 |