CN203338329U - Capacitance type flexible touch tablet - Google Patents
Capacitance type flexible touch tablet Download PDFInfo
- Publication number
- CN203338329U CN203338329U CN2013202792519U CN201320279251U CN203338329U CN 203338329 U CN203338329 U CN 203338329U CN 2013202792519 U CN2013202792519 U CN 2013202792519U CN 201320279251 U CN201320279251 U CN 201320279251U CN 203338329 U CN203338329 U CN 203338329U
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- CN
- China
- Prior art keywords
- ink layer
- layer
- conductive ink
- touch pad
- printed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/162—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed capacitors
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Position Input By Displaying (AREA)
Abstract
The utility model provides a capacitance type flexible touch tablet which comprises a flexible substrate. More than one conductive ink layer is printed on the flexible substrate, an insulating ink layer is printed below each conductive ink layer, and the insulating ink layer on the bottom layer is printed on the surface of the flexible substrate, and the insulating ink layer on the top layer is printed on the upper surface of the conductive ink layer on the top layer. According to the capacitance type flexible touch tablet, the production technological process is simple, the production time is short, the cost is low, environmental pollution is small, and various thin-type flexible touch tablets can be manufactured.
Description
Technical field
The utility model belongs to the touch technology field, especially relates to the flexible touch pad of condenser type that a kind of mode that adopts ink printing is made.
Background technology
Touch pad is a kind of on level and smooth plane, and the operations such as the point by finger touches, slip realize a kind of input media of human-computer interaction, are widely used in mobile phone, panel computer, notebook computer etc.The principle of work of capacitive type touch pad is to point as an electrode, and touch pad is another electrode.The outermost protective seam of touch pad is two insulators between electrode, forms an electric capacity between finger and touch pad, this electric capacity of touch pad control circuit measurement of inductance, and draw the position of touch point.Electrode in touch pad is the key that realizes function of touchpad.The lip-deep transparent touch pad that is placed in indicator screen is commonly referred to as touch-screen, and its electrode is mainly to form electrode pattern by etching mode, is embedded in glass substrate and protective cover interlayer.Opaque touch pad generally adopts printed circuit board (PCB) to make column array, forms touch pad electrodes.
There is following shortcoming in the above-mentioned capacitive type touch pad of producing by printed circuit board (PCB) and etched mode: technological process of production complexity is not easy to operation; Production time is slow, and production cost is higher; The operations such as etching cause severe contamination to environment; The flexible touch pad thickness of the condenser type that uses said method to produce is large, and the life-span is short.
Summary of the invention
Problem to be solved in the utility model is to provide the flexible touch pad of a kind of condenser type, relates in particular to the flexible touch pad of condenser type that a kind of mode that adopts ink printing is made.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the flexible touch pad of a kind of condenser type, comprise flexible base, board, be printed with the above conductive ink layer of one deck on described flexible base, board, the below of each described conductive ink layer all is printed with one deck dielectric ink layer, the described dielectric ink layer that is positioned at bottom is printed on described flexible base, board surface, and the upper surface that is positioned at the described conductive ink layer of top layer is printed with top layer dielectric ink layer.
The flexible touch pad of above-mentioned condenser type can also adopt following technical measures:
The upper surface of described top layer dielectric ink layer is coated with the flexible protective layer.
The upper and lower surface of described flexible protective layer covers respectively one deck adhesive-layer.
Each described conductive ink layer is all identical with the pattern of the dielectric ink layer that is positioned at its below, and the described conductive ink layer that is positioned at top layer is identical with the pattern of described top layer dielectric ink layer.
With the capacitive type touch pad of producing by printed circuit board (PCB) and etched mode, compare, advantage and the good effect that the utlity model has are: the technological process of production is simple, convenient operation; Without carrying out printed circuit board or etching program, the production time is faster, cost is lower; Compare with the production method of conventional touchpads, reduced in process of production the operation pollution on the environments such as etching; Can make various flexible touch pads; Under the prerequisite that realizes identical touch function, the flexible touch pad of condenser type described in the utility model can be accomplished thinner.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment
In figure:
1, flexible base, board 2, ground floor dielectric ink layer 3, ground floor conductive ink layer
4, second layer dielectric ink layer 5, second layer conductive ink layer 6, top layer dielectric ink layer
7, adhesive-layer 8, flexible protective layer
Embodiment
As shown in Figure 1; the present embodiment provides a kind of condenser type flexible touch pad; comprise flexible base, board 1; be printed with the above conductive ink layer of one deck on flexible base, board 1; the below of each conductive ink layer all is printed with one deck dielectric ink layer; the dielectric ink layer that is positioned at bottom is printed on flexible base, board 1 surface; the upper surface that is positioned at the conductive ink layer of top layer is printed with top layer dielectric ink layer 6; the upper surface of top layer dielectric ink layer 6 is coated with flexible protective layer 8, and the upper and lower surface of flexible protective layer 8 covers respectively one deck adhesive-layer 7.
Each conductive ink layer is all identical with the pattern of the dielectric ink layer that is positioned at its below, and the conductive ink layer that is positioned at top layer is identical with the pattern of top layer dielectric ink layer 6.
Above-mentioned flexible base, board can be polynary ester fiber, paper cloth or plastic foil.
The method of producing the flexible touch pad of above-mentioned condenser type is as follows: use the dielectric ink printing machine of configuration dielectric ink to print each dielectric ink layer and top layer dielectric ink layer 6, use the electrically conductive ink printing machine of configuration electrically conductive ink to print each conductive ink layer, dielectric ink printing machine and electrically conductive ink printing machine are screen process press.Preferred electrically conductive ink has good pliability and quick-setting characteristic, for various base materials such as polynary ester fiber, paper cloth and plastic foils, extremely strong bounding force is arranged, after preferred electrically conductive ink solidifies, resistance value is less than 0.013ohms/square@1.0Mil, and is less than 0.013ohms/square@25.4microns.Preferred dielectric ink has good pliability and quick-setting characteristic, for various base materials such as polynary ester fiber, paper cloth and plastic foils, extremely strong bounding force is arranged, and after preferred dielectric ink solidifies, resistance value is greater than 1000Mega ohms.
Aforementioned production method comprises following concrete steps:
(1) according to the requirement to the flexible touch pad resolution of above-mentioned condenser type, and the function of touch pad control chip, determine the number of plies of conductive ink layer, and design the electrode pattern of each conductive ink layer;
(2) make respectively according to the electrode pattern of each conductive ink layer the film that is applicable to each conductive ink layer, each dielectric ink layer and top layer dielectric ink layer 6;
(3) flexible base, board 1 is inserted to the dielectric ink printing machine, according to film pattern, dielectric ink is printed in to flexible base, board 1 surface, form ground floor dielectric ink layer 2;
(4) after ground floor dielectric ink layer 2 solidifies, flexible base, board 1 is inserted to the electrically conductive ink printing machine, according to film pattern, electrically conductive ink is printed on ground floor dielectric ink layer 2, form ground floor conductive ink layer 3;
(5) after ground floor conductive ink layer 3 solidifies, flexible base, board 1 is inserted to the dielectric ink printing machine, according to film pattern, dielectric ink is printed on ground floor conductive ink layer 3, form second layer dielectric ink layer 4;
(6) after second layer dielectric ink layer 4 solidifies, flexible base, board 1 is inserted to the electrically conductive ink printing machine, according to film pattern, electrically conductive ink is printed on second layer dielectric ink layer 4, form second layer conductive ink layer 5;
(7) if need to print more multi-layered, according to the film pattern of every one deck, the printing process in repeating step (5) and step (6) successively;
(8) after the conductive ink layer that is positioned at top layer solidifies, flexible base, board 1 is inserted to the dielectric ink printing machine, according to film pattern, dielectric ink is printed on the conductive ink layer that is positioned at top layer, form top layer dielectric ink layer 6;
(9) after top layer dielectric ink layer 6 solidifies, evenly smear adhesive-layer 7 thereon;
(10) at adhesive-layer 7 upper surface sticking flexible protective seams 8, for the protection of the electrode of the flexible touch pad of condenser type;
(11) upper surface at flexible protective layer 8 covers one deck adhesive-layer 7 equably, is convenient to the flexible touch pad of condenser type is pasted on to the different application occasion.
Step (3) is identical with the film pattern in step (4), for the rhombus net trellis, step (5) is identical with the film pattern in step (6), is the rhombus net trellis, film pattern in step (8) is identical with the electrode pattern of the conductive ink layer that is positioned at top layer, is the rhombus net trellis.
The course of work of the present embodiment: each dielectric ink layer is respectively used to the safeguard bit conductive ink layer of side thereon, and top layer dielectric ink layer 6 is for the protection of the conductive ink layer that is positioned at its below.Each conductive ink layer is drawn respectively one group of winding displacement and is connected with the touch pad control chip, and the touch pad control chip is connected with CPU.Finger is as an electrode, the flexible touch pad of condenser type is another electrode, form electric capacity between the flexible touch pad of finger and condenser type, when the flexible touch pad of finger touches condenser type, touch pad control chip point is surveyed the signal intensity on each winding displacement, and further read the positional information of finger by CPU, thereby realize the function of the flexible touch pad of condenser type.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (4)
1. the flexible touch pad of a condenser type, it is characterized in that: comprise flexible base, board, be printed on the above conductive ink layer of one deck on described flexible base, board, the below of each described conductive ink layer all is printed on one deck dielectric ink layer, the described dielectric ink layer that is positioned at bottom is imprinted on described flexible base, board surface, and the upper surface that is positioned at the described conductive ink layer of top layer is printed on top layer dielectric ink layer.
2. the flexible touch pad of condenser type according to claim 1, it is characterized in that: the upper surface of described top layer dielectric ink layer is coated with the flexible protective layer.
3. the flexible touch pad of condenser type according to claim 2, it is characterized in that: the upper and lower surface of described flexible protective layer covers respectively one deck adhesive-layer.
4. the flexible touch pad of condenser type according to claim 1, it is characterized in that: each described conductive ink layer is all identical with the pattern of the dielectric ink layer that is positioned at its below, and the described conductive ink layer that is positioned at top layer is identical with the pattern of described top layer dielectric ink layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202792519U CN203338329U (en) | 2013-05-21 | 2013-05-21 | Capacitance type flexible touch tablet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202792519U CN203338329U (en) | 2013-05-21 | 2013-05-21 | Capacitance type flexible touch tablet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203338329U true CN203338329U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202792519U Expired - Fee Related CN203338329U (en) | 2013-05-21 | 2013-05-21 | Capacitance type flexible touch tablet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203338329U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103246423A (en) * | 2013-05-21 | 2013-08-14 | 天津铂创国茂电子科技发展有限公司 | Touch tablet and method for producing the same by ink printing mode |
| WO2017070070A1 (en) * | 2015-10-19 | 2017-04-27 | Sun Chemical Corporation | Capacitive devices and methods of fabricating same |
| CN109992133A (en) * | 2017-12-29 | 2019-07-09 | 南昌欧菲显示科技有限公司 | Production method, touch tablet and the electric terminal of touch tablet |
-
2013
- 2013-05-21 CN CN2013202792519U patent/CN203338329U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103246423A (en) * | 2013-05-21 | 2013-08-14 | 天津铂创国茂电子科技发展有限公司 | Touch tablet and method for producing the same by ink printing mode |
| WO2017070070A1 (en) * | 2015-10-19 | 2017-04-27 | Sun Chemical Corporation | Capacitive devices and methods of fabricating same |
| EP3365396A4 (en) * | 2015-10-19 | 2019-10-16 | Sun Chemical Corporation | CAPACITIVE DEVICES AND METHODS FOR THEIR MANUFACTURE |
| US10845924B2 (en) | 2015-10-19 | 2020-11-24 | Sun Chemical Corporation | Capacitive devices and methods of fabricating same |
| CN109992133A (en) * | 2017-12-29 | 2019-07-09 | 南昌欧菲显示科技有限公司 | Production method, touch tablet and the electric terminal of touch tablet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |