CN104020920A - Method for producing ultrathin touch screen thin-film sensor - Google Patents
Method for producing ultrathin touch screen thin-film sensor Download PDFInfo
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- CN104020920A CN104020920A CN201410301665.6A CN201410301665A CN104020920A CN 104020920 A CN104020920 A CN 104020920A CN 201410301665 A CN201410301665 A CN 201410301665A CN 104020920 A CN104020920 A CN 104020920A
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Abstract
The invention discloses a method for producing an ultrathin touch screen thin-film sensor. According to an inductive conductive film touch screen manufactured by the method, only an inductive conductive film layer is formed, an induction circuit is printed on the inductive conductive film in the etching and laser mode, and insulation paste and silver paste are printed. Compared with a traditional multi-point capacitive touch screen, the inductive conductive film touch screen manufactured by the method has the advantages that multi-point touch also can be realized, so that a terminal product is thin and light in weight. Moreover, the processing technology is simplified by the method, and the production efficiency is improved.
Description
Technical field
The present invention relates to touch-screen field, relate in particular to a kind of production method of ultra-thin touch screen film inductor.
Background technology
Touch-screen is that induced signal is converted into digital signal by one, realizes a kind of device of man-machine interaction; Wherein capacitance touch screen is the capacitance variations that finger or conducting medium are produced between the electrode in the time touching and on electrically-conductive backing plate, by driving the digital conversion of chip, and the coordinate position of output finger or conducting medium touch-control.
The fields such as capacitance touch screen has been widely used in mobile phone at present, dull and stereotyped.The multiple spot capacitance touch screen that tradition is used is at present generally all the structure that layer glass is fitted by optical cement; Or the structure that one deck glass and two-layer sensor conductive film are fitted by optical cement.As can be seen from above, current conventional capacitive touch screen structure exists thickness large, and weight is relatively large, complex structure and the various problem of the technique causing thus.
Summary of the invention
The embodiment of the present invention provides a kind of production method of ultra-thin touch screen film inductor, comprises the following steps:
Induction conductive film is carried out to etching paste printing, and after etch printing, induction conductive film is toasted and cleaned;
Induction conductive film baking and clean after, realize induction line by radium-shine mode responding on conductive film;
After radium-shine, on induction conductive film, print insulating gel;
The induction conductive film of printing insulating gel is carried out to silver slurry radium-shine, and toast being printed on the induction conductive film that silver starches.
Preferably, etching paste printing comprises:
Get the screen printing table board that appropriate etching ink is coated onto screen process press;
Induction conductive film is placed into printing table and starts etch printing.
Preferably, 100 DEG C to 140 DEG C of etching paste printing temperatures;
Printing time is 15 to 30 minutes.
Preferably, after etch printing, induction conductive film is toasted, after baking, place 1.5 to 2 hours, etching is cleaned without obvious diffusion again.
Preferably, toast complete induction conductive film adopts 2% caustic lye of soda to clean in Ultrasonic Cleaning stove.
Preferably, after baking and cleaning, use wind or baking dry sensation to answer conductive film surface through the induction conductive film of etch printing.
Preferably, the step that the radium-shine mode of described use realizes induction line on induction conductive film specifically comprises:
Default radium-shine figure on the figure module of laser machine;
Laser machine, according to default radium-shine figure, etches away the corresponding part on conductive film;
On induction conductive film, form induction line.
Preferably, after the radium-shine circuit of induction conductive film, also comprise: in Ultrasonic Cleaning stove, adopt 2% caustic lye of soda or clear water to clean.
Preferably, induction conductive film is dried after cleaning or is air-dry.。
Preferably, on induction conductive film, print insulating gel for print twice insulating gel on induction conductive film.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
From method of the present invention, the induction conductive film touch-screen of making by this method, only has one deck induction conductive film, on induction conductive film, adopts etching and radium-shine mode to make induction line, republishes insulating gel and silver slurry.The induction conductive film touch-screen completing, compared with traditional multiple spot capacitance touch screen, can be realized multi-point touch equally, makes end product thinner, and weight is lighter.And this method simplified processing process, enhance productivity.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is touch screen induction conductive film production method process flow diagram of the present invention;
Fig. 2 is the radium-shine process flow chart of touch screen induction conductive film production method of the present invention.
Embodiment
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiment, but not whole embodiment.Based on the embodiment in this patent, those of ordinary skill in the art are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of this patent protection.
The production method that the invention provides a kind of ultra-thin touch screen film inductor, comprises the following steps: refers to shown in Fig. 1,
S101: induction conductive film is carried out to etching paste printing, and after etch printing, induction conductive film is toasted and cleaned;
S102: induction conductive film baking and clean after, realize induction line by radium-shine mode responding on conductive film;
S103: after radium-shine, print insulating gel on induction conductive film;
S104: the induction conductive film of printing insulating gel is carried out to silver slurry radium-shine, and toast being printed on the induction conductive film that silver starches.
The induction conductive film touch-screen of making by this method, only has one deck induction conductive film, on induction conductive film, adopts etching and radium-shine mode to print induction line, republishes insulating gel and silver slurry.The induction conductive film touch-screen completing, compared with traditional multiple spot capacitance touch screen, can be realized multi-point touch equally, makes end product thinner, and weight is lighter.And this method simplified processing process, enhance productivity.
Wherein in the method, etching paste printing comprises:
Get the screen printing table board that appropriate etching ink is coated onto screen process press;
Concrete, selecting mesh is 250 order to 350 orders, and water-based anti-acid photoresists web plate carries out serigraphy, and print range is for needing etched position.
Induction conductive film is placed into printing table and starts etch printing.
Concrete, etching paste printing temperature is controlled at 100 DEG C to 140 DEG C; Printing time is 15 to 30 minutes.
In the method for the invention, after etch printing, induction conductive film is toasted, after baking, place 1.5 to 2 hours, etching is cleaned without obvious diffusion again.
In the method for the invention, the reasonable disposition of baking time and temperature can be increased work efficiency and saving resource, within the specific limits, and the lengthening that etching ink can be in time and the rising of temperature and strengthen etching dynamics and increase and clean difficulty.As certain is 100 DEG C of bakings when etching is incomplete 15 minutes time.Can adopt and be warmed up to 120 DEG C and within 30 minutes, all can improve etch effect in 15 minutes or 100 DEG C.
In the method for the invention, toast complete induction conductive film adopts 2% caustic lye of soda to clean in Ultrasonic Cleaning stove.Can certainly adopt clear water to clean.
After baking and cleaning, use wind or baking dry sensation to answer conductive film surface through the induction conductive film of etch printing.Adopt and air-dryly dryly not only can play dry effect, can also remove the dust granules above induction conductive film, ensure the dry and clean of induction conductive film surface.
In the method for the invention, after etch printing, do not need not pollute the environment through strong acid-base processing again.Improve the etching precision of induction conductive film, the I of live width reaches 50um; Improve product yields, properties of product can meet capacitance plate and touch screens demand completely.
In the method for the invention, the radium-shine step to induction conductive film of described induction line specifically comprises: refer to shown in Fig. 2,
S201: predetermined inductive circuit on laser machine figure module;
Before the radium-shine induction line of induction conductive film, first induction line default needs is defaulted on figure module.
Concrete, default induction line being input on the figure module of laser machine, figure module is recorded default induction line.
The step that the radium-shine mode of described use realizes induction line on induction conductive film specifically comprises:
Default radium-shine figure on laser machine figure module;
Laser machine, according to default radium-shine figure, etches away the corresponding part on conductive film;
On induction conductive film, form induction line.
S202: laser machine is according to default radium-shine figure, and the laser head of laser machine is got to energy on conductive film, is vaporized and etching the conductive film of laser focus position;
S203: the not etched conductive site of laser machine is the induction line forming on induction conductive film; On induction conductive film, form induction line, radium-shine operation completes.
S204: also comprise after the radium-shine circuit of induction conductive film: adopt 2% caustic lye of soda or clear water to clean in Ultrasonic Cleaning stove;
S205: carry out air-dry after induction conductive film cleans.
In the method for the invention, on induction conductive film, print insulating gel for print twice insulating gel on induction conductive film.
After first insulating gel is dry, then carry out the printing of second insulating gel.The wherein same screen process press of the printing of insulating gel is that used half tone is different from etched half tone.
Finally the induction conductive film of printing insulating gel is carried out to silver slurry radium-shine, and the induction conductive film that is printed on silver slurry is toasted.
In the method for the invention, etching paste printing process generally adopts screen process press; And roasting plant is baking machine, baking time is 140-200 degree baking 15-30 minute; Matting equipment adopts Ultrasonic Cleaning; Radium-shine processing apparatus is laser machine; Etching paste printing, insulating gel printing, the printing of silver slurry can be used screen process press, but half tone difference.Twice roasting procedure and twice matting can be used same equipment equally
The touch screen induction conductive film that adopts the inventive method to make, can be fitted and can be realized multi-point touch function by optical cement with one deck ambetti, thinner with traditional multi-point touch structure compared, and operation is simplified, and reduces advantages such as using material.And this method simplified processing process, enhance productivity.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a production method for touch screen induction conductive film, is characterized in that, comprises the following steps:
Induction conductive film is carried out to etching paste printing, and after etch printing, induction conductive film is toasted and cleaned;
Induction conductive film baking and clean after, realize induction line by radium-shine mode responding on conductive film;
After radium-shine, on induction conductive film, print insulating gel;
The induction conductive film of printing insulating gel is carried out to silver slurry radium-shine, and toast being printed on the induction conductive film that silver starches.
2. the production method of touch screen induction conductive film according to claim 1, is characterized in that,
Etching paste printing comprises:
Get the screen printing table board that appropriate etching ink is coated onto screen process press;
Induction conductive film is placed into printing table and starts etch printing.
3. the production method of touch screen induction conductive film according to claim 2, is characterized in that,
100 DEG C to 140 DEG C of etching paste printing temperatures;
Printing time is 15 to 30 minutes.
4. the production method of touch screen induction conductive film according to claim 1, is characterized in that,
After etch printing, induction conductive film is toasted, after baking, place 1.5 to 2 hours, etching is cleaned without obvious diffusion again.
5. the production method of touch screen induction conductive film according to claim 1, is characterized in that,
Toast complete induction conductive film adopts 2% caustic lye of soda to clean in Ultrasonic Cleaning stove.
6. the production method of touch screen induction conductive film according to claim 1, is characterized in that,
After baking and cleaning, use air knife dry sensation to answer conductive film surface through the induction conductive film of etch printing.
7. the production method of touch screen induction conductive film according to claim 1, is characterized in that,
The step that the radium-shine mode of described use realizes induction line on induction conductive film specifically comprises:
Default radium-shine figure on the figure module of laser machine;
Laser machine, according to default radium-shine figure, etches away the corresponding part on conductive film;
On induction conductive film, form induction line.
8. the production method of touch screen induction conductive film according to claim 1, is characterized in that,
After the radium-shine circuit of induction conductive film, also comprise: in Ultrasonic Cleaning stove, adopt 2% caustic lye of soda or clear water to clean.
9. the production method of touch screen induction conductive film according to claim 8, is characterized in that, after induction conductive film cleans, dries or air-dry.
10. the production method of touch screen induction conductive film according to claim 1, is characterized in that,
On induction conductive film, print insulating gel for print twice insulating gel on induction conductive film.
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| CN201410301665.6A CN104020920A (en) | 2014-06-26 | 2014-06-26 | Method for producing ultrathin touch screen thin-film sensor |
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| CN201410301665.6A CN104020920A (en) | 2014-06-26 | 2014-06-26 | Method for producing ultrathin touch screen thin-film sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109992138A (en) * | 2017-12-29 | 2019-07-09 | 蓝思科技（长沙）有限公司 | The production method and film touch-control sensor of film touch-control sensor |
| CN110688033A (en) * | 2019-09-12 | 2020-01-14 | 东莞市宏凯光电有限公司 | FOG touch screen and production process thereof |
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| US20100013798A1 (en) * | 2008-07-18 | 2010-01-21 | Nitto Denko Corporation | Transparent conductive film and touch panel |
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Effective date of registration: 20161227 Address after: 523000 Guangdong city in Dongguan Province town of Liaobu City Industrial Road No. 7 business business Applicant after: Guangdong Jinlong electromechanical Co., Ltd. Address before: 523000 Tangxia City, Dongguan Province town Peak Road, No. 1, Applicant before: Jinlong electromechanical (Dongguan) Co., Ltd. |
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Application publication date: 20140903 |