CN103488365A - Process for manufacturing ultra-thin touch screen based on dry etching - Google Patents
Process for manufacturing ultra-thin touch screen based on dry etching Download PDFInfo
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- CN103488365A CN103488365A CN201310459937.0A CN201310459937A CN103488365A CN 103488365 A CN103488365 A CN 103488365A CN 201310459937 A CN201310459937 A CN 201310459937A CN 103488365 A CN103488365 A CN 103488365A
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Abstract
The invention provides a process for manufacturing an ultra-thin touch screen based on dry etching. The process includes the following steps that (1) a conductive substrate with a conductive film layer is cleaned in an ultrasonic mode in an ultrasonic cleaner; (2) a laser cutting machine is utilized to conduct laser dry etching on the conductive substrate; (3) insulation ink is printed on the substrate and the substrate is baked to be dry to achieve the surface decorative effect, a lap joint position where the conductive substrate is connected with a flexible circuit board is reserved on an insulation ink printing layer, and the substrate is baked for 5-30 minutes at the temperature of 140-300 DEG C after being printed; (4) conductive ink is printed on the lap joint position, and the lap joint position is baked to be dry and baked for 5-30 minutes at the temperature of 140-300 DEG C after being printed; (5) the flexible circuit board is pressed on the conductive circuit board, and then function pieces are obtained. Compared with the prior art, the number of layers of the touch screen is reduced to only one on the whole, the structure is lighter and thinner, important working procedures are reduced to at least four, therefore, labor cost is reduced, material consumption is also reduced, and cost is saved.
Description
Technical field
The present invention relates to the touch-screen field, exactly refer to a kind of production technology based on the dry ecthing ultra-thin touch screen.
Background technology
Touch-screen is a kind of induced signal to be converted into to digital signal, realizes a kind of device of man-machine interaction; Wherein capacitance touch screen be by finger or conducting medium when touching with substrate on electrode between the capacitance variations that produces, by driving the digital conversion of chip, output is pointed or the coordinate position of conducting medium touch-control.The fields such as capacitance touch screen has been widely used in mobile phone at present, dull and stereotyped.The capacitance touch screen that tradition is used at present is generally all the structure that layer glass is fitted by optical cement; Or the structure that one deck glass and sensor rete two-layer or three layers are fitted by optical cement.As can be seen from above, current capacitive touch screen structure commonly used exists thickness large, and weight is relatively large, complex structure and the various problem of the technique caused thus.
Summary of the invention
For above-mentioned defect, the technical matters that the present invention solves is to provide a kind of production technology based on the dry ecthing ultra-thin touch screen, can make the number of plies of touch-screen reduce to integral body and only have one deck, and structure is lighter and thinner; Important procedure reduces to minimum four roads, has reduced cost of labor, has also reduced the use of material, has saved cost.
In order to solve above technical matters, the production technology based on the dry ecthing ultra-thin touch screen provided by the invention, comprise the steps:
(1), with electrically-conductive backing plate Ultrasonic Cleaning in supersonic wave cleaning machine of conductive film layer;
(2), use laser cutting machine to carry out the laser dry ecthing to electrically-conductive backing plate, by the Etching of needs out;
(3), substrate prints dielectric ink and toasts the dry surface decoration effect that realizes, to reserve the lap position that electrically-conductive backing plate is connected with FPC on the dielectric ink printed layers simultaneously, dielectric ink is not printed in this position, toasts 5-30 minute after printing at 140-300 degree temperature;
(4), dry at lap position printing conductive inks baking, and keep the solid colour of decorative colors and dielectric ink printing, after printing at 140-300 degree temperature baking 5-30 minute;
(5), realize flexible circuit board pressing, practical function sheet on conducting wire.
Preferably, in step (1), conductive film layer is by evaporation or Vacuum Deposition mode, indium tin oxide to be plated on substrate.
Preferably, in step (2), described conductive film layer is formed circuit after laser by indium tin oxide.
Preferably, the material of described conductive ink layer is silver-colored slurry, carbon or grapheme material.
Preferably, the material of described substrate is glass or PET material.
Compared with prior art, the production technology based on the dry ecthing ultra-thin touch screen provided by the invention, can make the number of plies of touch-screen reduce to integral body and only have one deck, and structure is lighter and thinner; Important procedure reduces to minimum four roads, has reduced cost of labor, has also reduced the use of material, has saved cost.
The accompanying drawing explanation
The process flow diagram that Fig. 1 is the production technology based on the dry ecthing ultra-thin touch screen in the embodiment of the present invention;
The structural representation that Fig. 2 is ultra-thin touch screen in the embodiment of the present invention;
The enlarged drawing that Fig. 3 is A part in Fig. 2.
Embodiment
For those skilled in the art can understand technical scheme provided by the present invention better, below in conjunction with specific embodiment, set forth.
Refer to Fig. 1, the process flow diagram that this figure is the production technology based on the dry ecthing ultra-thin touch screen in the embodiment of the present invention.
The production technology based on the dry ecthing ultra-thin touch screen that the embodiment of the present invention provides, comprise the steps:
(1), with electrically-conductive backing plate Ultrasonic Cleaning in supersonic wave cleaning machine of conductive film layer;
(2), use laser cutting machine to carry out the laser dry ecthing to electrically-conductive backing plate, by the Etching of needs out;
(3), substrate prints dielectric ink and toasts the dry surface decoration effect that realizes, to reserve the lap position that electrically-conductive backing plate is connected with FPC on the dielectric ink printed layers simultaneously, dielectric ink is not printed in this position, toasts 5-30 minute after printing at 140-300 degree temperature;
(4), dry at lap position printing conductive inks baking, and keep the solid colour of decorative colors and dielectric ink printing, after printing at 140-300 degree temperature baking 5-30 minute;
(5), realize flexible circuit board pressing, practical function sheet on conducting wire.
In step (1), conductive film layer is by evaporation or Vacuum Deposition mode, indium tin oxide to be plated on substrate.
In step (2), conductive film layer is formed circuit after laser by indium tin oxide.
The material of conductive ink layer comprises silver-colored slurry, carbon or grapheme material.
The material of substrate is glass or PET material.
Refer to Fig. 2 and Fig. 3, the structural representation that Fig. 2 is ultra-thin touch screen in the embodiment of the present invention; The enlarged drawing that Fig. 3 is A part in Fig. 2.
The ultra-thin touch screen that the production technology based on the dry ecthing ultra-thin touch screen that the embodiment of the present invention provides makes, comprise substrate 1, conductive film layer 2, dielectric ink layer 3, between substrate 1 and dielectric ink layer 3, conductive ink layer 2 is set, substrate 1, at surface location, is provided with conductive ink layer 4 between dielectric ink layer 3 and FPC 5.
Ultra-thin touch screen also comprises button printing ink, and button printing ink is arranged between dielectric ink layer 3 and conductive film layer 2, and this layer can need to increase or cancel according to practicality.Printing ink, according to the proportioning of different colours, can make button printing ink reach different translucent effects (also can be light tight), finally can show different colors.
The solid colour of the color of conductive ink layer 4 and dielectric ink layer 3, its effect is that the flexible cord wiring board 5 of conductive film layer 2 and lower one deck is overlapped.The general material of flexible cord wiring board 5 is generally made including but not limited to materials such as silver slurry, carbon, Graphenes, and flexible cord wiring board 5 is drawn out to and drives chip 6 from conductive ink layer 4.
Compared with prior art, the production technology based on the dry ecthing ultra-thin touch screen provided by the invention, can make the number of plies of touch-screen reduce to integral body and only have one deck, and structure is lighter and thinner; Important procedure reduces to minimum four roads, has reduced cost of labor, has also reduced the use of material, has saved cost.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization 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 (5)
1. the production technology based on the dry ecthing ultra-thin touch screen, is characterized in that, comprises the steps:
(1), with electrically-conductive backing plate Ultrasonic Cleaning in supersonic wave cleaning machine of conductive film layer;
(2), use laser cutting machine to carry out the laser dry ecthing to electrically-conductive backing plate, by the Etching of needs out;
(3), substrate prints dielectric ink and toasts the dry surface decoration effect that realizes, to reserve the lap position that electrically-conductive backing plate is connected with FPC on the dielectric ink printed layers simultaneously, dielectric ink is not printed in this position, toasts 5-30 minute after printing at 140-300 degree temperature;
(4), dry at lap position printing conductive inks baking, and keep the solid colour of decorative colors and dielectric ink printing, after printing at 140-300 degree temperature baking 5-30 minute;
(5), realize flexible circuit board pressing, practical function sheet on conducting wire.
2. the production technology based on the dry ecthing ultra-thin touch screen according to claim 1, is characterized in that, in step (1), conductive film layer is by evaporation or Vacuum Deposition mode, indium tin oxide to be plated on substrate.
3. the production technology based on the dry ecthing ultra-thin touch screen according to claim 1, is characterized in that, in step (2), described conductive film layer is formed circuit after laser by indium tin oxide.
4. the production technology based on the dry ecthing ultra-thin touch screen according to claim 1, is characterized in that, the material of described conductive ink layer comprises the materials such as silver-colored slurry, carbon or Graphene.
5. the production technology based on the dry ecthing ultra-thin touch screen according to claim 1, is characterized in that, the material of described substrate is glass or PET material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310459937.0A CN103488365A (en) | 2013-09-30 | 2013-09-30 | Process for manufacturing ultra-thin touch screen based on dry etching |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310459937.0A CN103488365A (en) | 2013-09-30 | 2013-09-30 | Process for manufacturing ultra-thin touch screen based on dry etching |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110234526A1 (en) * | 2010-01-26 | 2011-09-29 | Mastouch Optoelectronics Technologies Co., Ltd. | Single-layer projected capacitive touch panel and method of manufacturing the same |
| CN102722301A (en) * | 2012-05-23 | 2012-10-10 | 浙江星星瑞金科技股份有限公司 | Method for manufacturing capacitive touch screen |
| CN102830873A (en) * | 2012-08-08 | 2012-12-19 | 赣州市德普特科技有限公司 | Capacitive touch screen and manufacture method thereof |
| CN103019453A (en) * | 2012-12-30 | 2013-04-03 | 金龙机电（东莞）有限公司 | Production technology for ultrathin touch screen |
| CN203038253U (en) * | 2012-12-30 | 2013-07-03 | 金龙机电（东莞）有限公司 | Film structure touch screen |
-
2013
- 2013-09-30 CN CN201310459937.0A patent/CN103488365A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110234526A1 (en) * | 2010-01-26 | 2011-09-29 | Mastouch Optoelectronics Technologies Co., Ltd. | Single-layer projected capacitive touch panel and method of manufacturing the same |
| CN102722301A (en) * | 2012-05-23 | 2012-10-10 | 浙江星星瑞金科技股份有限公司 | Method for manufacturing capacitive touch screen |
| CN102830873A (en) * | 2012-08-08 | 2012-12-19 | 赣州市德普特科技有限公司 | Capacitive touch screen and manufacture method thereof |
| CN103019453A (en) * | 2012-12-30 | 2013-04-03 | 金龙机电（东莞）有限公司 | Production technology for ultrathin touch screen |
| CN203038253U (en) * | 2012-12-30 | 2013-07-03 | 金龙机电（东莞）有限公司 | Film structure touch screen |
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Application publication date: 20140101 |