CN106681580A - Electromagnetic screen manufacturing method, electromagnetic screen and touch device - Google Patents
Electromagnetic screen manufacturing method, electromagnetic screen and touch device Download PDFInfo
- Publication number
- CN106681580A CN106681580A CN201710065824.0A CN201710065824A CN106681580A CN 106681580 A CN106681580 A CN 106681580A CN 201710065824 A CN201710065824 A CN 201710065824A CN 106681580 A CN106681580 A CN 106681580A
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- Prior art keywords
- base material
- pet base
- circuit
- electromagnetic induction
- face
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- 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.)
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Classifications
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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
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
The invention relates to an electromagnetic screen manufacturing method, an electromagnetic screen and a touch device. The electromagnetic screen manufacturing method comprises the steps that a PET base material is manufactured; silver paste printing is conducted on the first side of the PET base material to form a first electro-magnetic induction line; a breakover hole penetrating the PET base material is formed through cutting, and a breakover line is formed in the breakover hole; silver paste printing is conducted on the second side of the PET base material to form a second electro-magnetic induction line; the second electro-magnetic induction line and the first electro-magnetic induction line are connected through the breakover line. The material adopted by the method is an inert material, the environment cost can be reduced, raw material waste can be effectively avoided through silver paste printing, and the production cost is greatly saved. When a large-sized electromagnetic screen is manufactured by adopting a double-sided printing circuit of the PET base material, the obvious cost advantages can be also brought.
Description
Technical field
The present invention relates to technical field of touch control, more particularly to a kind of manufacture method of electromagnetic screen, electromagnetic screen and touch control device.
Background technology
Electromagnetic screen is that one kind determines Electromagnetic Launching signal location and tranmitting frequency through induction antenna grid, is adopted through data
Collection calculates the device that integration module is converted into accurate coordinate position and coordinate pressure.Electromagnetic screen is realized confirming coordinate position and coordinate
The core component of pressure is induction antenna grid and data processing converting unit.Electromagnetic screen is widely used in reduction, and person's handwriting is hand-written sets
It is standby, such as：Drawing boards, plate of signing, government affairs office signature terminal, hand-held hand-written terminal unit is educated electronic whiteboard, educates electronics one
Body machine etc..
In existing electromagnetic screen, electromagnetic induction grid antenna adopts the hard wiring board of hard etching technique, or using etching
The flexible FPC circuits of technology.More serious using above two circuit making technology environmental pollution, environmentally friendly cost is higher；
Waste of the above two circuit making technology to raw material is serious, and production cost is higher；Above two circuit making technology exists
It is that cost increase is obvious to make large area product.
The content of the invention
The invention provides a kind of manufacture method of electromagnetic screen, electromagnetic screen and touch control device, to solve existing electromagnetic screen life
The problem of many-sided high cost in product.
To realize above-mentioned design, the present invention is employed the following technical solutions：
First aspect adopts a kind of manufacture method of electromagnetic screen, including：
PET base material and half tone are made, the half tone includes first line half tone, conducting line network version and the second line network
Version；
Silver paste is carried out in the first face of the PET base material by the first line half tone to print to form the first electromagnetic induction
Circuit；
Cutting forms the via through the PET base material, by conducting line network version shape in the via
Into conducting circuit；
Silver paste is carried out in the second face of the PET base material by the second circuit half tone to print to form the second electromagnetic induction
Circuit；The second electromagnetic induction circuit and the first electromagnetic induction circuit are by turning on connection.
Wherein, the making PET base material, including：
Cut to form initial p ET base material, on the reserved processing technology side of the initial p ET base material and technique para-position hole position is referred to
And target；
Dehydration baking is carried out to the initial p ET base material and obtains PET base material.
Wherein, first face in the PET base material carries out silver paste and prints to form by the first line half tone
One electromagnetic induction circuit, specially：
The first electromagnetic induction layout is printed with silver paste by the first line half tone in the first face of the PET base material
Layer；
The PET base material is put into into high temperature tunnel furnace baking, makes silver paste be solidificated in the PET base material by high-temperature baking
First face forms the first electromagnetic induction circuit.
Wherein, the cutting forms the via through the PET base material, is led described by the conducting line network version
Conducting circuit is formed in through hole, including：
According to via coordinate position file, the via through the PET base material is formed using laser cutting；
Plug silver paste is filled by the conducting line network version in the via；
The PET base material is put into into high temperature tunnel furnace baking, silver paste is solidificated in the via by high-temperature baking
Wall forms conducting circuit.
Wherein, second face in the PET base material carries out silver paste and prints to form by the second circuit half tone
Two electromagnetic induction circuits；The second electromagnetic induction circuit and the first electromagnetic induction circuit pass through to turn on connection, including：
The second electromagnetic induction layout is printed with silver paste by the second circuit half tone in the second face of the PET base material
Layer；
The PET base material is put into into high temperature tunnel furnace baking, makes silver paste be solidificated in the PET base material by high-temperature baking
Second face forms the second electromagnetic induction circuit.
Wherein, the half tone also includes that conducting circuit strengthens half tone；
Second face in the PET base material carries out silver paste and prints to form the second electromagnetism by the second circuit half tone
Induction line；After the second electromagnetic induction circuit and the first electromagnetic induction circuit are by conducting connection, also include：
Half tone is strengthened by the conducting circuit and adds via of print in second face, increase the via inwall
Silver paste infiltration capacity.
Wherein, second face in the PET base material carries out silver paste and prints to form by the second circuit half tone
Two electromagnetic induction circuits；After the second electromagnetic induction circuit and the first electromagnetic induction circuit are by conducting connection, also
Including：
Adhesive protecting film is disposably covered respectively in the first face of the PET base material and the second face.
Wherein, it is described after the first face of the PET base material and the second face respectively disposable covering adhesive protecting film, also
Including：
The finished product that will be covered with adhesive protecting film cuts molding.
Second aspect adopts a kind of electromagnetic screen, is made using any of the above-described manufacture method.
The third aspect adopts a kind of touch control device, including above-mentioned electromagnetic screen.
Beneficial effects of the present invention are：Make PET base material；Carry out silver paste and print in the first face of the PET base material to be formed
First electromagnetic induction circuit；Cutting forms the via through the PET base material, and conducting circuit is formed in the via；
Silver paste is carried out in the second face of the PET base material to print to form the second electromagnetic induction circuit；The second electromagnetic induction circuit and
First electromagnetic induction circuit is by turning on connection.The material that this programme is adopted can reduce Environmental costs for inert material；
Silver paste printing can be prevented effectively from the waste of raw material, greatly save production cost；Making in the circuitron of PET base material
Also obvious cost advantage can be brought when making large scale electromagnetic screen.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to institute in embodiment of the present invention description
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to present invention enforcement
The content of example and these accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of process chart of the manufacture method of the electromagnetic screen provided in the specific embodiment of the invention.
Specific embodiment
For make present invention solves the technical problem that, the technical scheme that adopts and the technique effect that reaches it is clearer, below
Accompanying drawing will be combined to be described in further detail the technical scheme of the embodiment of the present invention, it is clear that described embodiment is only
It is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those skilled in the art exist
The every other embodiment obtained under the premise of creative work is not made, the scope of protection of the invention is belonged to.
Fig. 1 is refer to, it is a kind of technique stream of the manufacture method of the electromagnetic screen provided in the specific embodiment of the invention
Cheng Tu.The production equipment that manufacture method in this programme is related to includes：PET cutting equipments (such as laser cutting machine), are used for
Material is cut and tap operation；Flatbed press, possesses the printing area board that printed dimensions require to match；Silver paste
Penetration equipment, according to circuit designed graphic document, the silver paste circuit infiltration circuit for making conducting wire is processed, and is erected at printing machine platform,
Silver paste printing is uniformly applied to PET base material by printing scraper through moving in half tone；Curing apparatus (such as high-temperature baking
Continuous tunnel furnace), silver paste is combined with additive by silver powder, is modulated into the viscous pasty state of good fluidity, and after printing coating high temperature is passed through
Baking-curing molding circuit；Insulation overlay device, attaches for surface lines protecting film after the completion of printed on both sides；Shape molding sets
It is standby, combined circuit profile demand, the finished product external form of punch forming demand.As shown in figure 1, the manufacture method, including：
Step S11：PET base material and half tone are made, the half tone includes first line half tone, conducting line network version and second
Circuit half tone.
Specifically, making PET base material includes cutting to form initial p ET base material, in the reserved making work of the initial p ET base material
Skill side and technique para-position are with reference to hole position and target, and the initial p ET base material is carried out being dehydrated baking obtain PET base material twice
Operation.It is the making demand according to product to cut and to form initial p ET base material, cuts out initial p ET base material in PET material business, just
Beginning PET base material is the crude green body for carrying out electromagnetic screen making, is to ensure subsequent production, and in initial p ET base material reserved processing technology is needed
Side and technique para-position are with reference to hole position and target；In electromagnetic screen production process, each road processing technique may be to the water of PET base material
Point, stress etc. produce the contraction distortion for affecting and then causing PET base material, the para-position precision that can further affect circuit to print,
Error is produced, is to eliminate this error, before circuit printing is carried out to PET base material, first dehydration baking is carried out to initial p ET base material
It is roasting, it is to avoid repeatedly baking produces diminution deformation in size and causes to print different line layers PET base material during subsequent production
Dislocation.
Half tone is made using the method for manual engraved film or photochemistry plate-making, and areas are left behind on half tone can be through silver
Slurry, the mesh of non-graphic part is all blocked, impervious silver paste.Set for induction antenna grid in electromagnetic screen in this programme
Meter layout, to each circuit half tone is made respectively.
Step S12：Silver paste is carried out in the first face of the PET base material by the first line half tone to print to form first
Electromagnetic induction circuit.
Specifically, making the first electromagnetic induction circuit includes following processing technology：Pass through in the first face of the PET base material
The first line half tone prints the first electromagnetic induction circuit figure layer with silver paste；The PET base material is put into into high temp tunnel baking oven
It is roasting, make silver paste form the first electromagnetic induction circuit by the first face that high-temperature baking is solidificated in the PET base material.
Step S13：Cutting forms the via through the PET base material, is led described by the conducting line network version
Conducting circuit is formed in through hole.
Specifically, making conducting circuit includes following processing technology：According to via coordinate position file, cut out using laser
Cut the via to be formed through the PET base material；Plug silver paste is filled by the conducting line network version in the via；By institute
State PET base material and be put into high temperature tunnel furnace baking, make silver paste be solidificated in the via inwall by high-temperature baking and form conductive line
Road.
Step S14：Silver paste is carried out in the second face of the PET base material by the second circuit half tone to print to form second
Electromagnetic induction circuit；The second electromagnetic induction circuit and the first electromagnetic induction circuit are by turning on connection.
Specifically, making the second electromagnetic induction circuit includes following technique：In the second face of the PET base material by described
Second circuit half tone prints the second electromagnetic induction circuit figure layer with silver paste；The PET base material is put into into high temperature tunnel furnace baking, is made
Silver paste forms the second electromagnetic induction circuit by the second face that high-temperature baking is solidificated in the PET base material.Second electromagnetic induction line
Road and the first electromagnetic induction circuit form antenna grid.
During actual fabrication, the half tone also includes that conducting circuit strengthens half tone；
Silver paste is carried out in the second face of the PET base material by the second circuit half tone to print to form the second electromagnetic induction
Circuit；After the second electromagnetic induction circuit and the first electromagnetic induction circuit are by conducting connection, also include：
Half tone is strengthened by the conducting circuit and adds via of print in second face, increase the via inwall
Silver paste infiltration capacity.
The step for carry out the process of reinforcement equivalent to turning on circuit to via, certainly, entirely plus print process equally includes
Fill the process of plug silver paste and baking.
Wherein, second face in the PET base material carries out silver paste and prints to form by the second circuit half tone
Two electromagnetic induction circuits；After the second electromagnetic induction circuit and the first electromagnetic induction circuit are by conducting connection, also
Including：
Adhesive protecting film is disposably covered respectively in the first face of the PET base material and the second face.
Adhesive protecting film can be not used in individually smearing binding in PET base material, be adhered directly onto in PET base material, self-adhesion
Protecting film may insure that free from the influence of the external environment generation of the circuit after silver paste solidification aoxidizes, or in handling process and production group
Dress causes to damage, and strengthens the reliability of product.
Wherein, it is described after the first face of the PET base material and the second face respectively disposable covering adhesive protecting film, also
Including：
The finished product that will be covered with adhesive protecting film cuts molding.
Cutting the finished product after molding can be directly entered the assembling of touch-control product.
In this programme, PET base material suggestion selects thickness for the PET film material of 0.128mm thickness；Concrete model such as Du Pont
PET systems class base material.For PET base material, the stretch stability after the dehydration for having needed to have；Possess certain temperature-resistance characteristic, need
Meet silver paste baking-curing technological requirement, surfacing performance is stablized after baking；It is provided simultaneously with good adhesion effect：Silver
After slurry printing is firm, adhesive force need to meet last part technology requirement.Silver paste must possess good conductivity, and Argent grain must in silver paste
Must typography requirement；Control can be stably obtained in printing process.Circuit print thickness is the turn-on effect for ensureing circuit
And line impedance is required, need to determine that the net sand density and photoresists thickness of half tone is thick to determine printed wire according to specification requirement
Degree.Surface insulation protecting film is covered must be smooth, good with reference to dynamics, need to possess Product environment adaptability requirement, using and
Degumming stripping, bubble etc. should not be produced under storage condition.
In sum, by making PET base material；Silver paste is carried out in the first face of the PET base material print that to form first electric
Magnetic induction circuit；Cutting forms the via through the PET base material, and conducting circuit is formed in the via；Described
Second face of PET base material carries out silver paste and prints to form the second electromagnetic induction circuit；The second electromagnetic induction circuit and first electric
Magnetic induction circuit is by turning on connection.The material that this programme is adopted can reduce Environmental costs for inert material；Silver paste prints
Brush can be prevented effectively from the waste of raw material, greatly save production cost；Big chi is being made in the circuitron of PET base material
Also obvious cost advantage can be brought during very little electromagnetic screen.
A kind of electromagnetic screen is additionally provided in the specific embodiment of the invention, is made using any of the above-described manufacture method.
A kind of touch control device, including above-mentioned electromagnetic screen are additionally provided in the specific embodiment of the invention.
Using electromagnetic screen made by above-mentioned manufacture method and the touch control device including the electromagnetic screen, possess and the making side
Method identical effect, here is not described further.
The know-why of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and can not by any way be construed to limiting the scope of the invention.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the present invention by need not paying performing creative labour, these modes fall within
Within protection scope of the present invention.
Claims (10)
1. a kind of manufacture method of electromagnetic screen, it is characterised in that include：
PET base material and half tone are made, the half tone includes first line half tone, conducting line network version and the second circuit half tone；
Silver paste is carried out in the first face of the PET base material by the first line half tone to print to form the first electromagnetic induction line
Road；
Cutting forms the via through the PET base material, is formed in the via by the conducting line network version and is led
Logical circuit；
Silver paste is carried out in the second face of the PET base material by the second circuit half tone to print to form the second electromagnetic induction line
Road；The second electromagnetic induction circuit and the first electromagnetic induction circuit are by turning on connection.
2. manufacture method according to claim 1, it is characterised in that the making PET base material, including：
Cut to form initial p ET base material, in the reserved processing technology side of the initial p ET base material and technique para-position with reference to hole position and target
Mark；
Dehydration baking is carried out to the initial p ET base material and obtains PET base material.
3. manufacture method according to claim 1, it is characterised in that first face in the PET base material passes through institute
State first line half tone and carry out silver paste and print to form the first electromagnetic induction circuit, specially：
The first electromagnetic induction circuit figure layer is printed with silver paste by the first line half tone in the first face of the PET base material；
The PET base material is put into into high temperature tunnel furnace baking, makes silver paste that the first of the PET base material is solidificated in by high-temperature baking
Face forms the first electromagnetic induction circuit.
4. manufacture method according to claim 1, it is characterised in that the cutting forms leading through the PET base material
Through hole, by the conducting line network version conducting circuit is formed in the via, including：
According to via coordinate position file, the via through the PET base material is formed using laser cutting；
Plug silver paste is filled by the conducting line network version in the via；
The PET base material is put into into high temperature tunnel furnace baking, makes silver paste be solidificated in the via inwall shape by high-temperature baking
Into conducting circuit.
5. manufacture method according to claim 1, it is characterised in that second face in the PET base material passes through institute
State the second circuit half tone and carry out silver paste and print to form the second electromagnetic induction circuit；The second electromagnetic induction circuit and the first electromagnetism
Induction line passes through to turn on connection, including：
The second electromagnetic induction circuit figure layer is printed with silver paste by the second circuit half tone in the second face of the PET base material；
The PET base material is put into into high temperature tunnel furnace baking, makes silver paste that the second of the PET base material is solidificated in by high-temperature baking
Face forms the second electromagnetic induction circuit.
6. manufacture method according to claim 1, it is characterised in that the half tone also includes that conducting circuit strengthens half tone；
Second face in the PET base material carries out silver paste and prints to form the second electromagnetic induction by the second circuit half tone
Circuit；After the second electromagnetic induction circuit and the first electromagnetic induction circuit are by conducting connection, also include：
Half tone is strengthened by the conducting circuit and adds via of print in second face, increase the silver of the via inwall
Slurry infiltration capacity.
7. manufacture method according to claim 1, it is characterised in that second face in the PET base material passes through institute
State the second circuit half tone and carry out silver paste and print to form the second electromagnetic induction circuit；The second electromagnetic induction circuit and the first electromagnetism
After induction line is by conducting connection, also include：
Adhesive protecting film is disposably covered respectively in the first face of the PET base material and the second face.
8. manufacture method according to claim 7, it is characterised in that first face and second in the PET base material
Face is disposable respectively to be covered after adhesive protecting film, is also included：
The finished product that will be covered with adhesive protecting film cuts molding.
9. a kind of electromagnetic screen, it is characterised in that made using claim 1-8 any one manufacture method.
10. a kind of touch control device, it is characterised in that including the electromagnetic screen described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065824.0A CN106681580A (en) | 2017-02-06 | 2017-02-06 | Electromagnetic screen manufacturing method, electromagnetic screen and touch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065824.0A CN106681580A (en) | 2017-02-06 | 2017-02-06 | Electromagnetic screen manufacturing method, electromagnetic screen and touch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106681580A true CN106681580A (en) | 2017-05-17 |
Family
ID=58860311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710065824.0A Pending CN106681580A (en) | 2017-02-06 | 2017-02-06 | Electromagnetic screen manufacturing method, electromagnetic screen and touch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106681580A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208325A1 (en) * | 2020-04-17 | 2021-10-21 | 深圳市鸿合创新信息技术有限责任公司 | Transparent coil board and manufacturing method therefor, transparent electromagnetic induction board and display device |
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|---|---|---|---|---|
| CN101304636A (en) * | 2007-05-11 | 2008-11-12 | 比亚迪股份有限公司 | Method for preparing flexibility printed circuit board using PET as base material |
| CN101827502A (en) * | 2009-03-06 | 2010-09-08 | 佛山市顺德区锐新科屏蔽材料有限公司 | Environment-friendly preparation method of multilayer circuit board and special device thereof |
| CN103324375A (en) * | 2013-06-18 | 2013-09-25 | 苏州市健邦触摸屏技术有限公司 | Capacitive touch screen and manufacture method thereof |
| JP2014164562A (en) * | 2013-02-26 | 2014-09-08 | Nitto Denko Corp | Magnetic circuit board, method for manufacturing the same, and position detection device |
-
2017
- 2017-02-06 CN CN201710065824.0A patent/CN106681580A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304636A (en) * | 2007-05-11 | 2008-11-12 | 比亚迪股份有限公司 | Method for preparing flexibility printed circuit board using PET as base material |
| CN101827502A (en) * | 2009-03-06 | 2010-09-08 | 佛山市顺德区锐新科屏蔽材料有限公司 | Environment-friendly preparation method of multilayer circuit board and special device thereof |
| JP2014164562A (en) * | 2013-02-26 | 2014-09-08 | Nitto Denko Corp | Magnetic circuit board, method for manufacturing the same, and position detection device |
| CN103324375A (en) * | 2013-06-18 | 2013-09-25 | 苏州市健邦触摸屏技术有限公司 | Capacitive touch screen and manufacture method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021208325A1 (en) * | 2020-04-17 | 2021-10-21 | 深圳市鸿合创新信息技术有限责任公司 | Transparent coil board and manufacturing method therefor, transparent electromagnetic induction board and display device |
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Application publication date: 20170517 |