CN106782770A - A kind of laser-induced thermal etching OGS touch screen conductive film - Google Patents
A kind of laser-induced thermal etching OGS touch screen conductive film Download PDFInfo
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- CN106782770A CN106782770A CN201611068067.4A CN201611068067A CN106782770A CN 106782770 A CN106782770 A CN 106782770A CN 201611068067 A CN201611068067 A CN 201611068067A CN 106782770 A CN106782770 A CN 106782770A
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- substrate
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- conductive membrane
- laser
- membrane layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacture Of Switches (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Abstract
The invention discloses a kind of laser-induced thermal etching OGS touch screen conductive film, including substrate of glass, conductive membrane layer is provided with the top of the substrate of glass, the periphery of the conductive membrane layer is provided with ink layer, and ink layer is located between substrate of glass and conductive membrane layer, the inside both sides of the substrate of glass are equipped with heater, the heater is located at the underface of ink layer, and heater is connected with transparent laminas, the transparent laminas are located in substrate of glass, and transparent laminas are located between heater, temperature sensor is provided with the substrate of glass, the temperature sensor is two, and respectively positioned at the surface of heater, the both sides of the substrate of glass are equipped with attachment means, the bottom of the attachment means is provided with flexible electrical pole plate.Simple structure of the present invention, reduces processing technology, improves crudy, and production yield is high, low production cost, and can be heated, and lifts the experience sense of user.
Description
Technical field
The present invention relates to touch screen technology field, more particularly to a kind of laser-induced thermal etching OGS touch screen conductive film.
Background technology
Touch screen products application started to 2000, application field is more and more wider, from toy game to PDA, mobile phone,
GPS, POS, the type of touch screen are also more and more.
Touch-screen as a kind of intelligentized human-computer interaction interface product, many necks in social production and life
Domain has obtained increasingly being widely applied, with the fastest developing speed especially in consumer electronics sector.
The OGS capacitive touch screens of existing exploitation need to be made when making with high accuracy gold-tinted, filming equipment, and it sets
Standby cost is very high, it is difficult to meet the Production requirement of medium-sized and small enterprises, photoresist, etching liquid is used in process of production, is taken off
Film liquid etc. has the material of pollution to environment, and could be discharged after carrying out environmental protection treatment to the pollutant in these production processes,
And technical process is long, it is also desirable to use more human costs, processing cost is higher, and through the ITO electrode figure after wet etching
Shape has the shadows such as jagged edge, broken string, short circuit to touch-screen or many defects of LCD quality, and can not carry out
Heating, is easily caused touch-screen because of the larger generation steam of the temperature difference, and the experience sense of influence user is this we have proposed a kind of laser
Etching OGS touch screen conductive film, for solving the above problems.
The content of the invention
Based on the technical problem that background technology is present, the present invention proposes a kind of laser-induced thermal etching OGS touch-screen conductive thins
Film.
A kind of laser-induced thermal etching OGS touch screen conductive film proposed by the present invention, including substrate of glass, the substrate of glass
Top is provided with conductive membrane layer, and the periphery of the conductive membrane layer is provided with ink layer, and ink layer is located at substrate of glass and conduction
Between film layer, the inside both sides of the substrate of glass are equipped with heater, the heater be located at ink layer just under
Side, and heater is connected with transparent laminas, the transparent laminas are located in substrate of glass, and transparent laminas are located at and add
Between thermal, temperature sensor is provided with the substrate of glass, the temperature sensor is two, and is located at heating respectively and filled
The surface put, the both sides of the substrate of glass are equipped with attachment means, and the bottom of the attachment means is provided with flexible electrical pole plate,
One end of the flexible electrical pole plate is extended in substrate of glass, and flexible electrical pole plate respectively with conductive membrane layer, heater and
Temperature sensor is connected；
S1：The preparation of etching material and substrate, prepares ITO materials and substrate of glass；
S2：The preparation of etching machines, preparation can provide the wavelength of ultraviolet source for the ultraviolet laser of 351-356nm and
The vacuum platform of peripheral auxiliary optical component, optical system, scanning galvanometer and absorption membrane material；
S3：The plated film of conductive membrane layer, in the top surface periphery ink for screen printing of substrate of glass, forms ink layer, and ink layer exists
Viewfinder area is surrounded in substrate of glass, ITO materials are then made conductive membrane layer with laser dry etching machine, then using vacuum sputtering plating
Conductive membrane layer is plated in membrane process the top surface of ink layer so that conductive membrane layer covers ink layer and viewfinder area；
S4：The etching of conductive membrane layer, the substrate of glass after plated film is placed on vacuum platform so that conductive membrane layer position
In top, then start ultraviolet laser, with 1/2 wave plate and Glan prism in peripheral auxiliary optical component to ultraviolet laser
The light beam for sending carries out algorithm for power modulation, reaches the removal energy threshold of conductive membrane layer, then with peripheral auxiliary optical component
Beam expanding lens the light beam after modulation is coaxially expanded, then with the focus lamp in peripheral auxiliary optical component to expanding after light
Beam is focused, reach a diameter of 10-80um of output beam, while so that focal beam spot of the light beam on conductive membrane layer
After a length of 10-50um in footpath, figure is scanned with scanning galvanometer, scanning patter is converted into numeral finally by optical system
Signal, control ultraviolet laser is performed etching in conductive film layer surface, is etched the dust for producing and is produced air-flow by blowning installation,
And dust is collected by dust collect plant, complete the laser-induced thermal etching of OGS touch screen conductive film.
Preferably, the flexible electrical pole plate is provided with touch-control IC.
Preferably, the conductive membrane layer is ITO conductive membrane layers.
Preferably, metal routing, and conductive membrane layer are provided with the ink layer by metal routing and flexible electrical pole plate
Connection.
Preferably, in the S2, the preparation of etching machines, the wavelength that preparation can provide ultraviolet source is 352-355nm
Ultraviolet laser and peripheral auxiliary optical component, optical system, scanning galvanometer and absorption membrane material vacuum platform, periphery auxiliary
Optical component includes 1/2 wave plate, Glan prism, beam expanding lens and focus lamp.
Preferably, in the S4, be placed on the substrate of glass after plated film on vacuum platform by the etching of conductive membrane layer, makes
Obtain conductive membrane layer above, then start ultraviolet laser, with 1/2 wave plate and Glan rib in peripheral auxiliary optical component
The light beam that mirror sends to ultraviolet laser carries out algorithm for power modulation, the removal energy threshold of conductive membrane layer is reached, then with periphery
Beam expanding lens in auxiliary optical component is coaxially expanded to the light beam after modulation, then with the focusing in peripheral auxiliary optical component
Mirror to expanding after light beam be focused, a diameter of 20-70um of output beam is reached, while so that light beam is in conductive membrane layer
On focal beam spot a length of 20-50um in footpath after, figure is scanned with scanning galvanometer, finally by optical system will scan
Figure is converted to data signal, and control ultraviolet laser is performed etching in conductive film layer surface, etches the dust for producing by blowing
Device of air produces air-flow, and collects dust by dust collect plant, completes the laser-induced thermal etching of OGS touch screen conductive film.
In the present invention, laser-induced thermal etching being carried out on this structure and making simple, it only can system by simple process such as printings
Ink layer is made, makes to form conductive membrane layer using Ultra-Violet Laser etching machine, without using the gold-tinted technique of high investment cost,
So, production cost has been saved, general medium-sized and small enterprises also can largely be produced, and can be heated by heater,
The heat diffusion that heater is produced can be gone out by transparent laminas, being capable of sensing heating in real time by temperature sensor
The heating-up temperature of device, simple structure of the present invention reduces processing technology, improves crudy, and production yield is high, production cost
It is low, and can be heated, lift the experience sense of user.
Brief description of the drawings
Fig. 1 is a kind of main structure diagram of laser-induced thermal etching OGS touch screen conductive film proposed by the present invention；
Fig. 2 is a kind of overlooking the structure diagram of laser-induced thermal etching OGS touch screen conductive film proposed by the present invention.
In figure：1 substrate of glass, 2 conductive membrane layers, 3 ink layers, 4 heaters, 5 transparent laminas, 6 attachment means, 7
Flexible electrical pole plate, 8 temperature sensors.
Specific embodiment
The present invention is made with reference to specific embodiment further explain.
Embodiment one
With reference to Fig. 1-2, the present embodiment proposes a kind of laser-induced thermal etching OGS touch screen conductive film, including substrate of glass 1,
The top of substrate of glass 1 is provided with conductive membrane layer 2, and the periphery of conductive membrane layer 2 is provided with ink layer 3, and ink layer 3 is located at glass
Between substrate 1 and conductive membrane layer 2, the inside both sides of substrate of glass 1 are equipped with heater 4, and heater 4 is located at ink layer
3 underface, and heater 4 is connected with transparent laminas 5, transparent laminas 5 are located in substrate of glass 1, and transparent heat conduction
Piece 5 is located between heater 4, and temperature sensor 8 is provided with substrate of glass 1, and temperature sensor 8 is two, and is located at respectively
The surface of heater 4, the both sides of substrate of glass 1 are equipped with attachment means 6, and the bottom of attachment means 6 is provided with flexible electrode
Plate 7, one end of flexible electrical pole plate 7 is extended in substrate of glass 1, and flexible electrical pole plate 7 is filled with conductive membrane layer 2, heating respectively
Put 4 and temperature sensor 8 connect；
S1：The preparation of etching material and substrate, prepares ITO materials and substrate of glass 1；
S2：The preparation of etching machines, preparation can provide ultraviolet laser and periphery of the wavelength of ultraviolet source for 351nm
The vacuum platform of auxiliary optical component, optical system, scanning galvanometer and absorption membrane material；
S3：The plated film of conductive membrane layer 2, in the top surface periphery ink for screen printing of substrate of glass 1, forms ink layer 3, ink layer
3 surround viewfinder area in substrate of glass 1, and ITO materials then are made into conductive membrane layer 2 with laser dry etching machine, then using vacuum
Conductive membrane layer 2 is plated in sputter coating process the top surface of ink layer 3 so that conductive membrane layer 2 covers ink layer 3 and form
Area；
S4：The etching of conductive membrane layer 2, the substrate of glass 1 after plated film is placed on vacuum platform so that conductive membrane layer
2 is above, then starts ultraviolet laser, is swashed to ultraviolet with 1/2 wave plate and Glan prism in peripheral auxiliary optical component
The light beam that light device sends carries out algorithm for power modulation, reaches the removal energy threshold of conductive membrane layer 2, then with the peripheral fill-in light department of the Chinese Academy of Sciences
Beam expanding lens in part is coaxially expanded to the light beam after modulation, then with the focus lamp in peripheral auxiliary optical component to expanding after
Light beam be focused, a diameter of 10um of output beam is reached, while so that focal beam spot of the light beam on conductive membrane layer 2
The a length of 10um in footpath after, figure is scanned with scanning galvanometer, scanning patter is converted into numeral finally by optical system
Signal, control ultraviolet laser is performed etching on the surface of conductive membrane layer 2, is etched the dust for producing and is produced gas by blowning installation
Stream, and dust is collected by dust collect plant, complete the laser-induced thermal etching of OGS touch screen conductive film.
Embodiment two
With reference to Fig. 1-2, the present embodiment proposes a kind of laser-induced thermal etching OGS touch screen conductive film, including substrate of glass 1,
The top of substrate of glass 1 is provided with conductive membrane layer 2, and the periphery of conductive membrane layer 2 is provided with ink layer 3, and ink layer 3 is located at glass
Between substrate 1 and conductive membrane layer 2, the inside both sides of substrate of glass 1 are equipped with heater 4, and heater 4 is located at ink layer
3 underface, and heater 4 is connected with transparent laminas 5, transparent laminas 5 are located in substrate of glass 1, and transparent heat conduction
Piece 5 is located between heater 4, and temperature sensor 8 is provided with substrate of glass 1, and temperature sensor 8 is two, and is located at respectively
The surface of heater 4, the both sides of substrate of glass 1 are equipped with attachment means 6, and the bottom of attachment means 6 is provided with flexible electrode
Plate 7, one end of flexible electrical pole plate 7 is extended in substrate of glass 1, and flexible electrical pole plate 7 is filled with conductive membrane layer 2, heating respectively
Put 4 and temperature sensor 8 connect；
S1：The preparation of etching material and substrate, prepares ITO materials and substrate of glass 1；
S2：The preparation of etching machines, preparation can provide ultraviolet laser and periphery of the wavelength of ultraviolet source for 356nm
The vacuum platform of auxiliary optical component, optical system, scanning galvanometer and absorption membrane material；
S3：The plated film of conductive membrane layer 2, in the top surface periphery ink for screen printing of substrate of glass 1, forms ink layer 3, ink layer
3 surround viewfinder area in substrate of glass 1, and ITO materials then are made into conductive membrane layer 2 with laser dry etching machine, then using vacuum
Conductive membrane layer 2 is plated in sputter coating process the top surface of ink layer 3 so that conductive membrane layer 2 covers ink layer 3 and form
Area；
S4：The etching of conductive membrane layer 2, the substrate of glass 1 after plated film is placed on vacuum platform so that conductive membrane layer
2 is above, then starts ultraviolet laser, is swashed to ultraviolet with 1/2 wave plate and Glan prism in peripheral auxiliary optical component
The light beam that light device sends carries out algorithm for power modulation, reaches the removal energy threshold of conductive membrane layer 2, then with the peripheral fill-in light department of the Chinese Academy of Sciences
Beam expanding lens in part is coaxially expanded to the light beam after modulation, then with the focus lamp in peripheral auxiliary optical component to expanding after
Light beam be focused, a diameter of 80um of output beam is reached, while so that focal beam spot of the light beam on conductive membrane layer 2
The a length of 50um in footpath after, figure is scanned with scanning galvanometer, scanning patter is converted into numeral finally by optical system
Signal, control ultraviolet laser is performed etching on the surface of conductive membrane layer 2, is etched the dust for producing and is produced gas by blowning installation
Stream, and dust is collected by dust collect plant, complete the laser-induced thermal etching of OGS touch screen conductive film.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of laser-induced thermal etching OGS touch screen conductive film, including substrate of glass (1), it is characterised in that the substrate of glass
(1) conductive membrane layer (2) is provided with the top of, the periphery of the conductive membrane layer (2) is provided with ink layer (3), and ink layer (3) position
Between substrate of glass (1) and conductive membrane layer (2), the inside both sides of the substrate of glass (1) are equipped with heater (4),
The heater (4) is positioned at the underface of ink layer (3), and heater (4) is connected with transparent laminas (5), described
Bright conducting strip (5) is in substrate of glass (1), and transparent laminas (5) are between heater (4), the substrate of glass
(1) temperature sensor (8) is provided with, the temperature sensor (8) is two, and respectively positioned at the surface of heater (4),
The both sides of the substrate of glass (1) are equipped with attachment means (6), and the bottom of the attachment means (6) is provided with flexible electrical pole plate
(7), one end of the flexible electrical pole plate (7) is extended in substrate of glass (1), and flexible electrical pole plate (7) respectively with conductive film
The connection of layer (2), heater (4) and temperature sensor (8)；
S1：The preparation of etching material and substrate, prepares ITO materials and substrate of glass (1)；
S2：The preparation of etching machines, preparation can provide ultraviolet laser and periphery of the wavelength of ultraviolet source for 351-356nm
The vacuum platform of auxiliary optical component, optical system, scanning galvanometer and absorption membrane material；
S3：The plated film of conductive membrane layer (2), in the top surface periphery ink for screen printing of substrate of glass (1), forms ink layer (3), ink
Layer (3) surrounds viewfinder area in substrate of glass (1), and ITO materials then are made into conductive membrane layer (2) with laser dry etching machine, then
Conductive membrane layer (2) is plated in the top surface of ink layer (3) using vacuum sputtering coating technique so that conductive membrane layer (2) is covered
Ink layer (3) and viewfinder area；
S4：The etching of conductive membrane layer (2), the substrate of glass (1) after plated film is placed on vacuum platform so that conductive membrane layer
(2) it is above, then start ultraviolet laser, with 1/2 wave plate and Glan prism in peripheral auxiliary optical component to ultraviolet
The light beam that laser sends carries out algorithm for power modulation, reaches the removal energy threshold of conductive membrane layer (2), then uses peripheral fill-in light
Beam expanding lens in department of the Chinese Academy of Sciences's part is coaxially expanded to the light beam after modulation, then with the focus lamp in peripheral auxiliary optical component to expanding
Light beam after beam is focused, and reaches a diameter of 10-80um of output beam, while so that light beam is on conductive membrane layer (2)
Focal beam spot a length of 10-50um in footpath after, figure is scanned with scanning galvanometer, finally by optical system by scanning figure
Shape is converted to data signal, and control ultraviolet laser is performed etching on conductive membrane layer (2) surface, etches the dust for producing by blowing
Device of air produces air-flow, and collects dust by dust collect plant, completes the laser-induced thermal etching of OGS touch screen conductive film.
2. a kind of laser-induced thermal etching OGS touch screen conductive film according to claim 1, it is characterised in that the flexible electrical
Pole plate (7) is provided with touch-control IC.
3. a kind of laser-induced thermal etching OGS touch screen conductive film according to claim 1, it is characterised in that the conductive thin
Film layer (2) is ITO conductive membrane layers.
4. a kind of laser-induced thermal etching OGS touch screen conductive film according to claim 1, it is characterised in that the ink layer
(3) metal routing is provided with, and conductive membrane layer (2) is connected by metal routing with flexible electrical pole plate (7).
5. a kind of laser-induced thermal etching OGS touch screen conductive film according to claim 1, it is characterised in that in the S2, erosion
Quarter equipment preparation, it is the ultraviolet laser of 352-355nm and peripheral auxiliary optical that preparation can provide the wavelength of ultraviolet source
The vacuum platform of part, optical system, scanning galvanometer and absorption membrane material, peripheral auxiliary optical component includes 1/2 wave plate, Glan
Prism, beam expanding lens and focus lamp.
6. a kind of laser-induced thermal etching OGS touch screen conductive film according to claim 1, it is characterised in that in the S4, lead
The etching of thin film layer (2), the substrate of glass (1) after plated film is placed on vacuum platform so that conductive membrane layer (2) is positioned at upper
Side, then starts ultraviolet laser, and ultraviolet laser is sent with 1/2 wave plate and Glan prism in peripheral auxiliary optical component
Light beam carry out algorithm for power modulation, the removal energy threshold of conductive membrane layer (2) is reached, then with peripheral auxiliary optical component
Beam expanding lens is coaxially expanded to the light beam after modulation, then with the focus lamp in peripheral auxiliary optical component to expanding after light beam
It is focused, reaches a diameter of 20-70um of output beam, while so that focal beam spot of the light beam on conductive membrane layer (2)
The a length of 20-50um in footpath after, figure is scanned with scanning galvanometer, scanning patter is converted into number finally by optical system
Word signal, control ultraviolet laser is performed etching on conductive membrane layer (2) surface, is etched the dust for producing and is produced by blowning installation
Air-flow, and dust is collected by dust collect plant, complete the laser-induced thermal etching of OGS touch screen conductive film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068067.4A CN106782770A (en) | 2016-11-29 | 2016-11-29 | A kind of laser-induced thermal etching OGS touch screen conductive film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611068067.4A CN106782770A (en) | 2016-11-29 | 2016-11-29 | A kind of laser-induced thermal etching OGS touch screen conductive film |
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Cited By (4)
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| CN108326416A (en) * | 2018-02-10 | 2018-07-27 | 陕西师范大学 | A kind of design producing apparatus on transparent conductive film and method |
| CN109213352A (en) * | 2017-07-03 | 2019-01-15 | 广东宸景光电科技有限公司 | One-layer multi-point PET base material conductive film and production method without printing touch |
| CN109719394A (en) * | 2017-10-31 | 2019-05-07 | 蓝思科技（长沙）有限公司 | A kind of processing method of LOGO |
| CN110750171A (en) * | 2019-09-27 | 2020-02-04 | 盈天实业(深圳)有限公司 | Touch sensor, preparation method thereof and touch display screen |
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Application publication date: 20170531 |