CN109213352A - One-layer multi-point PET base material conductive film and production method without printing touch - Google Patents
One-layer multi-point PET base material conductive film and production method without printing touch Download PDFInfo
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- CN109213352A CN109213352A CN201710534038.0A CN201710534038A CN109213352A CN 109213352 A CN109213352 A CN 109213352A CN 201710534038 A CN201710534038 A CN 201710534038A CN 109213352 A CN109213352 A CN 109213352A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Evolutionary Computation (AREA)
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- Position Input By Displaying (AREA)
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Abstract
The present invention relates to the production methods of a kind of one-layer multi-point PET base material conductive film and touch screen.The production method of the one-layer multi-point PET base material conductive film, shrink setting treatment is carried out to the PET base material for being equipped with ITO layer first, the conductive pattern for passing through laser etching machine etch preset to ITO layer again obtains the one-layer multi-point PET base material conductive film with default conductive pattern.By using laser-induced thermal etching mode operation, the etching of single layer multiple spot is carried out, compared with traditional silk-screen technology, the film, halftone and etching line production can be saved, process is simple, high production efficiency, and it can also save while save the cost because of etching paste bring environmental problem, it is more environmentally friendly.Laser-induced thermal etching is more able to satisfy the process requirements of single layer multiple spot narrow side conductive film, and machining accuracy is high.And obtained one-layer multi-point PET base material conductive film can be used large stretch of optics glue laminating and then be cut by laser, more efficient than glass baseplate small pieces patch optical cement.
Description
Technical field
The present invention relates to touch screen fields, touch more particularly, to a kind of one-layer multi-point PET base material conductive film and without printing
The production method for touching screen.
Background technique
Traditional touch screen conductive film is generally etched ITO layer on glass by way of chemistry and obtained, specifically, packet
Include following steps:
1) makes the halftone of corresponding pattern by the film (film) exposure；
2) passes through halftone ITO layer silk-screen etching paste on base material；
3) passes through cleaning line removing etching paste, also needs to seal target before paying attention to cleaning, otherwise rear processing procedure can not align；
4) big Zhang Jicai is cut into small pieces by glass cutting machine by；
5) carries out soft arranging wire (FPC) binding by the binding machine with axis light charge coupling device imaging sensor (CCD)
It is combined into functional sheet (FOG)；
6) carries out granule optical cement (OCA) fitting by reprint make-up machine；
7) functional sheet (FOG) and glass cover-plate (COVER GLASS) are combined into touch screen (TP) with vacuum attaching machine by.
Silk-screen printing process is related to the production such as halftone, film, and process is tedious, is unfavorable for the raising of production efficiency.Since single layer is more
Touch screen is relatively high to the requirement of line width line-spacing, and the line width and line-spacing minimum of printing need to accomplish 0.16mm, many single layer multiple spots
Touch screen needs to accomplish that 0.1mm is even more small, requires the operation of traditional screen printing device and associated materials very high, it is difficult to meet
So high requirement on machining accuracy.And since required precision is higher, the occurrence probability of defect ware is also very in operation process
Height, and substrate can only use glass baseplate, it is difficult to the ITO in PET base material is processed.
Summary of the invention
Based on this, it is necessary to it is high and be conducive to improve the one-layer multi-point PET base of production efficiency to provide a kind of machining accuracy
Material conductive film and production method without printing touch.
A kind of production method of one-layer multi-point PET base material conductive film, includes the following steps:
Step 1: shrink setting treatment is carried out to the PET base material for being equipped with ITO layer；
Step 2: pass through the conduction of laser etching machine etch preset to the ITO layer in the PET base material after shrink setting treatment
Pattern obtains the one-layer multi-point PET base material conductive film with default conductive pattern.
In one of the embodiments, in said step 1, specifically by the PET base material equipped with ITO layer in 150
Drying and processing 60min ± 20min at DEG C ± 10 DEG C, the sizing so that PET base material is shunk.
Since the ITO layer in PET base material is usually what low temperature coating process was formed, the PET base material for being equipped with ITO layer is carried out
Shrinking, at least there are two effects for sizing:
1) can allow PET base material aging to be formed, in order to which change in shape will not occur during following process；
2) recrystallize ITO layer under the high temperature conditions (ito thin film of ITO layer is in lower temperature item in sputter
It is prepared under part, therefore ITO majority when by high-temperature process, can be such that ITO recrystallizes in non-crystalline state, thus
Its sheet resistivity value can be reduced, keeps ito thin film structure more stable, the service life is long.
In one of the embodiments, in the step 2, specifically comprise the following steps:
The inside pattern of touch scheme is made by the single layer multiple spot Core Generator of corresponding touch scheme；
Carrying out lead to the internal pattern by drawing software, to go out the angle pin perfect, makes complete single layer multi-point touch
The laser-induced thermal etching drawing of scheme；
The conductive pattern that the laser-induced thermal etching drawing is parsed into the machine-readable formula of laser-induced thermal etching is etched by graphical analysis software
Figure sets etching parameter, carries out pattern etching to the ito film in the PET base material for sizing of having shunk by laser etching machine,
Etch required conductive pattern.
Wherein, graphics softwares such as drawing software such as CAD etc.；Graphical analysis software such as laser-induced thermal etching software (Laser
Ethcing for Large Screen) etc..
Due to the requirement of PET base material and one-layer multi-point conductive film product, usually inner wire can not be completed by silk-screen
Item, and it is complete that internal lines may be implemented by using above-mentioned engraving method.
The etching parameter is as follows in one of the embodiments: laser pulse width 2.5-3.5ns, etching speed 1500-
2000mm/s, open the light the 300-500ms that is delayed, and closes light delay 1800-2200ms, turning delay 3-7ms, power 300-800W, frequency
Rate 150-180kHz, electric current 80-82A.
Further, the etching parameter is as follows in one of the embodiments: laser pulse width 2.8-3.1ns, etching speed
1750-1800mm/s, open the light the 390-410ms that is delayed, and closes light delay 1980-2020ms, turning delay 4.8-5.2ms, power
480-520W, frequency 158-162kHz, electric current 80-81A.
Further, the etching parameter is as follows in one of the embodiments: laser pulse width 3ns, etching speed
1800mm/s, open the light the 400ms that is delayed, and closes light delay 2000ms, turning delay 5ms, power 500W, frequency 160kHz, electric current
81A。
The production method of the one-layer multi-point PET base material conductive film further includes etching in one of the embodiments,
Before preset conductive pattern, in the step of etching alignment target in the ITO layer in the PET base material after shrink setting treatment, tool
Body is:
Typesetting is carried out to it according to the different sizes for the PET base material for being equipped with ITO layer, makes target typesetting figure；
The target typesetting figure is parsed into the alignment target etch figures(s) of the machine-readable formula of laser-induced thermal etching by graphical analysis software
Shape sets etching parameter；
The PET base material equipped with ITO layer is placed on the processing platform of laser etching machine, is lost according to the alignment target
Needle drawing shape gets positioning ready；
Alignment target is etched in the position got ready.
The alignment target includes for the cross target of subsequent job and for laser in one of the embodiments,
The target disc of etching machine etching identification；
Wherein, etching the cross-shaped target target etching parameter is: laser pulse width 2.5-3.5ns, etching speed 700-
900mm/s, open the light the 150-250ms that is delayed, close light be delayed 2400-2800ms, turning be delayed 0ms, power 600-700W, frequency
180-200kHz, electric current 80-82A；
The etching parameter for etching the target disc is: laser pulse width 2.5-3.5ns, etching speed 800-1000mm/s,
Open the light the 300-400ms that is delayed, and closes light delay 2000-2400ms, turning delay 1ms, power 300-500W, frequency 120-
140kHz, electric current 80-82A.
Further, etching the cross-shaped target target etching parameter in one of the embodiments, is: laser pulse width 2.8-
3.1ns, etching speed 780-800mm/s, open the light the 190-210ms that is delayed, and closes light delay 2550-2650ms, turning delay 0ms,
Power 640-660W, frequency 185-190kHz, electric current 80-81A；
The etching parameter for etching the target disc is: laser pulse width 2.8-3.1ns, and etching speed 880-920mm/s is opened
Light delay 330-360ms closes light delay 2150-2250ms, turning delay 0.9-1.1ms, power 380-420W, frequency 128-
132kHz, electric current 80-81A.
Further, etching the cross-shaped target target etching parameter in one of the embodiments, is: laser pulse width
3ns, etching speed 800mm/s, open the light the 200ms that is delayed, close light be delayed 2600ms, turning be delayed 0ms, power 650W, frequency
190kHz, electric current 81A；
The etching parameter for etching the target disc is: laser pulse width 3ns, etching speed 900mm/s, delay of opening the light
350ms closes light delay 2200ms, turning delay 1ms, power 400W, frequency 130kHz, electric current 81A.
Since subsequent workshop section needs alignment target, ITO layer is not no target greatly, so preferred after positioning of shrinking
Etching alignment target processing first is done to membrane material, cross target and target disc are done doing laser etched image time-division difference figure layer
Out, cross-shaped target is designated as subsequent target, and target disc is that equipment identifies target, and cross-shaped target needs when being marked on adjustment etching parameter
Want relatively high power that PET base material is punched, and the target disc of equipment identification only needs the power of very little, it is only necessary on the ito layer
It gets a regular circle while PET base material cannot be hurt, otherwise will affect the accuracy of pattern etching inside single layer multiple spot.It is excellent
Choosing, after the completion of alignment target etching, whether product examination is removed in etching completion qualified.
When etching conductive pattern, since the one-layer multi-point PET base material that large stretch of PET base material can be fabricated to multiple small pieces is led
Electrolemma, on the processing platform that large stretch of PET base material is placed in laser etching machine and position after, need to find first target disc with
Identify the position of conductive pattern etching, then by and its internal setting grab beacon course formula simple grain or single etching automatically.
The production method of the one-layer multi-point PET base material conductive film further includes to etching in one of the embodiments,
The one-layer multi-point PET base material conductive film obtained afterwards is the step of cleaning product surface on cleaning line.
A kind of production method of no printing touch, includes the following steps:
Had using the production method production of one-layer multi-point PET base material conductive film described in any of the above-described embodiment default
The one-layer multi-point PET base material conductive film of conductive pattern；
Large stretch of optics glue laminating is carried out on the one-layer multi-point PET base material conductive film by large stretch of make-up machine；
Large stretch of one-layer multi-point PET base material conductive film is cut into small pieces；
FPC binding is carried out by the binding machine with coaxial CCD, obtains functional sheet；
The functional sheet and transparent cover plate are sticked to form no printing touch using reprint make-up machine.
It is described in one of the embodiments, that large stretch of one-layer multi-point PET base material conductive film is cut into small pieces
It is to be cut according to the cross target on large stretch of one-layer multi-point PET base material conductive film using laser cutting machine.
Above-mentioned one-layer multi-point PET base material conductive film and the production method without printing touch are by using laser-induced thermal etching side
Formula operation carries out the etching of single layer multiple spot, compared with traditional silk-screen technology, can save the film, halftone and etching line production, process
Simply, high production efficiency, and can also save while save the cost because of etching paste bring environmental problem, more ring
It protects.The line width line-spacing that single layer multi-point touch panel conductive film requires requires narrow, and laser-induced thermal etching is most narrow can accomplish 0.03mm,
The process requirements of single layer multiple spot narrow side conductive film are more able to satisfy, machining accuracy is high.And obtained one-layer multi-point PET base material is led
Electrolemma can be used large stretch of optics glue laminating and then be cut by laser, more efficient than glass baseplate small pieces patch optical cement.
Detailed description of the invention
Fig. 1 is the production method flow diagram without printing touch of an embodiment；
Fig. 2 is the design diagram of preset conductive pattern；
Fig. 3 is the microscope enlarged diagram of a part of the conductive pattern that actual fabrication goes out；
Fig. 4 is another local microscope enlarged diagram for the conductive pattern that actual fabrication goes out.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the listed item of pass.
As shown in Figure 1, the production method without printing touch of an embodiment, includes the following steps:
Step S110: shrink setting treatment is carried out to the PET base material for being equipped with ITO layer；
Step S120: laser etching machine (producer: Guangdong great mansion is passed through to the ITO layer in the PET base material after shrink setting treatment
Scape Electro-optical Technology, INC. (US) 62 Martin Road, Concord, Massachusetts 017, model: GTO-LE-P6050) etch preset conductive pattern, obtain that there is default conductive pattern
One-layer multi-point PET base material conductive film；
Step S130: large stretch of optics glue laminating is carried out on one-layer multi-point PET base material conductive film by large stretch of make-up machine；
Step S140: large stretch of one-layer multi-point PET base material conductive film is cut into small pieces；
Step S150: FPC binding is carried out by the binding machine with coaxial CCD, obtains functional sheet；
Step S160: functional sheet and transparent cover plate are sticked to form touch screen using reprint make-up machine.
Above-mentioned steps S110 be specifically by be equipped with ITO layer PET base material at 150 DEG C drying and processing 60min so that described
PET base material, which is shunk, is formed
It further include being produced on the step that alignment target is made in PET base material and ITO layer thereon after the completion of step S110
Suddenly, specifically: going out target typesetting figure, --- -- modification etches ginseng after drawing is imported the parsing of laser-induced thermal etching software --- -- software
PET base material after sizing of shrinking --- -- is placed on the processing platform of laser etching machine and --- -- gets positioning --- -- ready to swash by number
Photoetch alignment target --- -- etching completes to remove product examination whether qualified, specific etching parameter are as follows: etching cross-shaped target
Target etching parameter is: laser pulse width 3ns, etching speed 800mm/s, open the light the 200ms that is delayed, and closes light delay 2600ms, turning
Be delayed 0ms, power 650W, frequency 190kHz, electric current 81A；The etching parameter of etching target disc is: laser pulse width 3ns, etching
Speed 900mm/s, open the light the 350ms that is delayed, and closes light delay 2200ms, turning delay 1ms, power 400W, frequency 130kHz, electric current
81A。
The etching of ITO layer conductive pattern can be carried out after the completion of alignment target etching, specifically: developing laser-induced thermal etching figure
--- -- importing laser-induced thermal etching software, --- -- contraposition target will have been made to case drawing by setting etching parameter --- -- after software parsing
PET base material of the target containing ITO layer is placed on processing platform and positions the circular that --- -- finds machine recognition by software
Mark --- -- grab beacon course formula (simple grain or single) --- -- equipment automatically and target disc pattern taken to achieve solution by software inhouse setting
Analysing --- --, software is provided with, and starts to remove product inflow manufacturing process for cleaning after the completion of processing and fabricating --- -- etching, specific to lose
Carve parameter are as follows: laser pulse width 3ns, etching speed 1800mm/s, open the light the 400ms that is delayed, and closes light delay 2000ms, turning delay
5ms, power 500W, frequency 160kHz, electric current 81A.
Fig. 2 is the design diagram of preset conductive pattern, and Fig. 3 is the aobvious of a part of the conductive pattern that actual fabrication goes out
Micro mirror enlarged diagram, Fig. 4 is another local microscope enlarged diagram for the conductive pattern that actual fabrication goes out, in conjunction with Fig. 2, figure
3 and Fig. 4 can be seen that the one-layer multi-point PET base material conductive film produced using the production method of the touch screen of the present embodiment
The line width that width is 0.03mm can be made, and line width and line-spacing are uniform, zero defect and flaw, thus the production of the present embodiment
Method is suitable for requiring line width line-spacing the production of narrow conductive film.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of production method of one-layer multi-point PET base material conductive film, which comprises the steps of:
Step 1: shrink setting treatment is carried out to the PET base material for being equipped with ITO layer；
Step 2: pass through the conductive pattern of laser etching machine etch preset to the ITO layer in the PET base material after shrink setting treatment
Case obtains the one-layer multi-point PET base material conductive film with default conductive pattern.
2. the production method of one-layer multi-point PET base material conductive film as described in claim 1, which is characterized in that in the step
In rapid one, specifically by the PET base material equipped with ITO layer at 150 DEG C ± 10 DEG C drying and processing 60min ± 20min so that
The PET base material, which is shunk, is formed.
3. the production method of one-layer multi-point PET base material conductive film as described in claim 1, which is characterized in that in the step
In rapid two, specifically comprise the following steps:
The inside pattern of touch scheme is made by the single layer multiple spot Core Generator of corresponding touch scheme；
Carrying out lead to the internal pattern by drawing software, to go out the angle pin perfect, makes complete single layer multi-point touch scheme
Laser-induced thermal etching drawing；
The laser-induced thermal etching drawing is parsed into the conductive pattern etched figure of the machine-readable formula of laser-induced thermal etching by graphical analysis software,
Etching parameter is set, pattern etching, etching are carried out to the ito film in the PET base material for sizing of having shunk by laser etching machine
Required conductive pattern out.
4. the production method of one-layer multi-point PET base material conductive film as claimed in claim 3, which is characterized in that the etching
Parameter is as follows: laser pulse width 2.5-3.5ns, etching speed 1500-2000mm/s, open the light the 300-500ms that is delayed, and closes light delay
1800-2200ms, turning delay 3-7ms, power 300-800W, frequency 150-180kHz, electric current 80-82A.
5. the production method of one-layer multi-point PET base material conductive film as claimed in claim 4, which is characterized in that the etching
Parameter is as follows: laser pulse width 3ns, etching speed 1800mm/s, open the light the 400ms that is delayed, and closes light delay 2000ms, turning delay
5ms, power 500W, frequency 160kHz, electric current 81A.
6. such as the production method of one-layer multi-point PET base material conductive film according to any one of claims 1 to 5, feature exists
In, further include before the conductive pattern of etch preset, in the ITO layer in the PET base material after shrink setting treatment etching pair
The step of position target, specifically:
Typesetting is carried out to it according to the different sizes for the PET base material for being equipped with ITO layer, makes target typesetting figure；
The target typesetting figure is parsed into the alignment target etched figure of the machine-readable formula of laser-induced thermal etching by graphical analysis software, if
Determine etching parameter；
The PET base material equipped with ITO layer is placed on the processing platform of laser etching machine, according to the alignment target etch figures(s)
Shape gets positioning ready；
Alignment target is etched in the position got ready.
7. the production method of one-layer multi-point PET base material conductive film as claimed in claim 6, which is characterized in that the contraposition
Target includes the cross target for subsequent job and the target disc for laser etching machine etching identification；
Wherein, etching the cross-shaped target target etching parameter is: laser pulse width 2.5-3.5ns, etching speed 700-900mm/
S, open the light the 150-250ms that is delayed, and closes light delay 2400-2800ms, turning delay 0ms, power 600-700W, frequency 180-
200kHz, electric current 80-82A；
The etching parameter for etching the target disc is: laser pulse width 2.5-3.5ns, and etching speed 800-1000mm/s opens the light
Be delayed 300-400ms, closes light delay 2000-2400ms, turning delay 1ms, power 300-500W, frequency 120-140kHz, electricity
Flow 80-82A.
8. the production method of one-layer multi-point PET base material conductive film as claimed in claim 7, which is characterized in that described in etching
Cross-shaped target target etching parameter is: laser pulse width 3ns, etching speed 800mm/s, open the light the 200ms that is delayed, and closes light delay
2600ms, turning delay 0ms, power 650W, frequency 190kHz, electric current 81A；
The etching parameter for etching the target disc is: laser pulse width 3ns, etching speed 900mm/s, open the light the 350ms that is delayed, and closes
Light delay 2200ms, turning delay 1ms, power 400W, frequency 130kHz, electric current 81A.
9. a kind of production method of no printing touch, which comprises the steps of:
Had using the production method production of one-layer multi-point PET base material conductive film such as according to any one of claims 1 to 8
The one-layer multi-point PET base material conductive film of default conductive pattern；
Large stretch of optics glue laminating is carried out on the one-layer multi-point PET base material conductive film by large stretch of make-up machine；
Large stretch of one-layer multi-point PET base material conductive film is cut into small pieces；
FPC binding is carried out by the binding machine with coaxial CCD, obtains functional sheet；
The functional sheet and transparent cover plate are sticked to form no printing touch using reprint make-up machine.
10. as claimed in claim 9 without the production method of printing touch, which is characterized in that described by large stretch of list
It is according to ten on large stretch of one-layer multi-point PET base material conductive film that layer multipoint mode PET base material conductive film, which is cut into small pieces,
Font target is cut using laser cutting machine.
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| CN201710534038.0A CN109213352A (en) | 2017-07-03 | 2017-07-03 | One-layer multi-point PET base material conductive film and production method without printing touch |
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| CN103365520A (en) * | 2013-07-18 | 2013-10-23 | 四川世创达电子科技有限公司 | Manufacture method of capacitive screen Sensor without etching traces |
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Application publication date: 20190115 |