CN109164930A - A kind of ultra-thin glass sensor and preparation method thereof - Google Patents
A kind of ultra-thin glass sensor and preparation method thereof Download PDFInfo
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- CN109164930A CN109164930A CN201810751840.XA CN201810751840A CN109164930A CN 109164930 A CN109164930 A CN 109164930A CN 201810751840 A CN201810751840 A CN 201810751840A CN 109164930 A CN109164930 A CN 109164930A
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- sensor
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- large stretch
- glass substrate
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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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- 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)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention discloses the preparation method of ultra-thin glass sensor a kind of, include the following steps: that S1. provides large stretch of glass substrate, the sheet glass substrate has the first surface and second surface being oppositely arranged；S2. sensor is made in the first surface of large stretch of glass substrate；S3. the silk-screen indigo plant film on the sensor；S4. large stretch of underlay substrate is bonded by glue-line with the blue film surface of large stretch of glass substrate, obtains functional sheet；S5. reduction processing is carried out to the second surface of large stretch of glass substrate；S6. the functional sheet is cut, obtains several small pieces functional sheets；S7. small pieces functional sheet described in cryogenic freezing, isolates underlay substrate, obtains ultra-thin glass sensor.The ultra-thin glass sensor thickness obtained using preparation method of the invention is small, good bending property, after being fitted in glass cover-plate, can be bent according to the shape of glass cover-plate, be not in bubble with the closely connected conjunction of glass cover-plate, improve the yield of product.
Description
Technical field
The present invention relates to Sensor preparation technical fields, more particularly to a kind of ultra-thin glass sensor and its preparation side
Method.
Background technique
Touch screen is a kind of input equipment for significantly improving man machine operation interface, is had the advantages that intuitive, simple, quick.
Touch screen has been obtained for being widely applied in many electronic products, such as mobile phone, PDA, multimedia, public information inquiry system
System etc..
The touch screen of GG structure is bonded by glass cover-plate and glass Sensor, and the touch screen of GG structure is due to tool
There are the performance advantages such as hard wear resistant, corrosion-resistant, high transparency, the manipulation smooth, high reliability of feel to be obtained extensive utilization.At present
The production technology of glass sensor is as follows: make sensor on large stretch of glass substrate, then by large stretch of sensor glass-cutting at
Small sheet glass sensor.For traditional glass sensor thickness in 0.3mm-1.8mm, the thickness of glass sensor is thicker, does not allow more
It is flexible, that is, inadequate bending is enabled, finally as bounce is too high, is finally separated with glass cover-plate, bubble production occurs
Life is bad.
Summary of the invention
In order to make up the defect of prior art, the present invention provides a kind of ultra-thin glass sensor and preparation method thereof.
The technical problems to be solved by the invention are achieved by the following technical programs:
A kind of preparation method of ultra-thin glass sensor, includes the following steps:
S1. large stretch of glass substrate is provided, the sheet glass substrate has the first surface and second surface being oppositely arranged；
S2. sensor is made in the first surface of large stretch of glass substrate；
S3. the silk-screen indigo plant film on the sensor；
S4. large stretch of underlay substrate is bonded by glue-line with the blue film surface of large stretch of glass substrate, obtains functional sheet；
S5. reduction processing is carried out to the second surface of large stretch of glass substrate；
S6. the functional sheet is cut, obtains several small pieces functional sheets；
S7. small pieces functional sheet described in cryogenic freezing, isolates underlay substrate, obtains ultra-thin glass sensor.
Further, the concrete operations of step S4 are as follows: (1) large stretch of underlay substrate is provided；(2) in large stretch of underlay substrate
Silk-screen epoxy glue on surface；(3) the epoxy glue surface of large stretch of underlay substrate is bonded with the blue film surface of large stretch of glass substrate, is obtained
To functional sheet.
Further, the temperature of cryogenic freezing is 150 DEG C of 20 DEG C ~ ﹣ of ﹣ in step S7.
Further, in step S1, the thickness of the sheet glass substrate is greater than 0.4mm.
Further, the ultra-thin glass sensor with a thickness of 25-300 μm.
Further, the underlay substrate is glass substrate.
Further, in step S5, or chemical reduction thinned to the second surface progress physics of large stretch of glass substrate.
Further, after the second surface to large stretch of glass substrate carries out chemical reduction, to the second surface
It is processed by shot blasting.
In order to prepare ultra-thin glass sensor, this field is usually to big after the surface of large stretch of glass substrate makes sensor
Sheet glass substrate carries out reduction processing, but inventor is in practice, it has been found that using existing technique, due to large stretch of glass substrate
Support force is small, in thinning process because large stretch of glass substrate be bent due to have an impact to thinned uniformity, while Sensor breakage rate compared with
It is high.Based on the above issues, large stretch of glass substrate is first bonded together by the present inventor with underlay substrate, wherein large stretch of glass substrate
On sensor towards the underlay substrate, to enhance the support force of large stretch of glass substrate, reduce in thinning process because of sheet
Glass substrate is bent and the influence to thinned uniformity, while also reducing Sensor breakage rate.It, can be with using technique of the invention
Glass substrate, while the yield rate with higher in thinning process is largely thinned.But will be thinned after large stretch of glass
After glass substrate cut is at small pieces, the separation of ultra-thin glass sensor and underlay substrate is difficult, is in ultra-thin glass sensor and lining
Glue-line between substrate remains in ultra-thin glass sensor during the separation process, has in separation process to ultra-thin glass sensor
Biggish damage.To solve the above-mentioned problems, inventor has found by numerous studies, first in sensor silk-screen indigo plant film, then will be big
Piece underlay substrate is bonded by epoxy glue with the blue film surface of large stretch of glass substrate, is then carried out to large stretch of glass substrate thinned
Processing is handled after large stretch of glass substrate after being thinned is cut into small pieces by cryogenic freezing, and blue film is made not have viscosity, from
And can easily separate ultra-thin glass sensor with underlay substrate, it can prevent from being in ultra-thin glass sensor and substrate base
Glue-line between plate remains in during the separation process on ultra-thin glass sensor, is effectively reduced during the separation process to ultra-thin glass
The damage of sensor.
The present invention also provides a kind of ultra-thin glass sensor, are prepared by the above method.
The invention has the following beneficial effects:
The ultra-thin glass sensor thickness obtained using preparation method of the invention is small, and good bending property is fitted in glass cover-plate
Afterwards, it can be bent according to the shape of glass cover-plate, be not in bubble with the closely connected conjunction of glass cover-plate, improve the good of product
Rate.
Specific embodiment
A kind of preparation method of ultra-thin glass sensor, includes the following steps:
S1. large stretch of glass substrate is provided, the sheet glass substrate has the first surface and second surface being oppositely arranged；
S2. sensor is made in the first surface of large stretch of glass substrate；
S3. the silk-screen indigo plant film on the sensor；
S4. large stretch of underlay substrate is bonded by glue-line with the blue film surface of large stretch of glass substrate, obtains functional sheet；
S5. reduction processing is carried out to the second surface of large stretch of glass substrate；
S6. the functional sheet is cut, obtains several small pieces functional sheets；
S7. small pieces functional sheet described in cryogenic freezing, isolates underlay substrate, obtains ultra-thin glass sensor.
Wherein, in step S1, the thickness of the sheet glass substrate is greater than 0.4mm.
In step S2, the present invention does not make especially the concrete technology of the first surface production sensor in large stretch of glass substrate
Limit, be to those skilled in the art it is known, the present invention also not to make sensor method improve, herein no longer go to live in the household of one's in-laws on getting married
It states.Preferably, pattern is formed by yellow light technique on the glass substrate, to realize certain touch function.
The concrete operations of step S4 are as follows: (1) large stretch of underlay substrate is provided；(2) silk on large stretch of underlay substrate surface
Print epoxy glue；(3) the epoxy glue surface of large stretch of underlay substrate is bonded with the blue film surface of large stretch of glass substrate, obtains function
Piece.The underlay substrate is preferably glass substrate.
In step S5, the present invention is not specifically limited specific reduction process, does not do specifically to thinned process
It limits, in the present invention, reduction processing is carried out to the second surface of large stretch of glass substrate, is generally comprised:
Or chemical reduction thinned to the second surface progress physics of large stretch of glass substrate.
Wherein, the second surface progress chemical reduction to large stretch of glass substrate includes:
To the second surface of large stretch of glass substrate etch into predetermined depth carry out it is thinned.
It is thinned by the way of chemical attack, exactly thinned face is performed etching, advantage is without human intervention, to reduce people
Power cost accurately controls thickness thinning by the time that control etching solution impregnates glass thinning face.The present invention is for corrosive liquid
Concentration and type are not specifically limited.
It should be noted that passing through chemical reduction to guarantee that the second surface after being thinned has preferable flatness
It afterwards, further include being processed by shot blasting to the second surface.
And in another way, it is carried out by the way of physics thinned.
Wherein, it is thinned to carry out physics for the second surface to large stretch of glass substrate, comprising:
Predetermined thickness is thinned to by polishing to the second surface of large stretch of glass substrate.
In physics thinning process, it can be polished by the way of artificial, can also be using mechanical polishing, and do not need
Disposably reach last depth, can repeatedly realize, be easy to control precision.
The temperature of cryogenic freezing is 150 DEG C of 20 DEG C ~ ﹣ of ﹣ in step S7.The present invention does not limit the time of cryogenic freezing especially
Fixed, those skilled in the art can set according to actual needs.It is handled in the present invention by cryogenic freezing, indigo plant can be made
Film loses viscosity.
It should be noted that blue film is for a kind of not contaminated ink with scuffing of protection materials in touch screen processing procedure.
There is certain adhesive force and preferable protective capacities so referred to as protective glue due to being similar to adhesive.It after using can be with
Preferably removed from touch screen.
By the above method, the ultra-thin glass sensor that is prepared with a thickness of 25-300 μm, it is highly preferred that institute
State ultra-thin glass sensor with a thickness of 40-100 μm；It is highly preferred that the ultra-thin glass sensor with a thickness of 60-80 μm,
So that the ultra-thin glass sensor has preferable flexural property.
The present invention will now be described in detail with reference to examples, and the examples are only preferred embodiments of the present invention,
It is not limitation of the invention.
Embodiment 1
A kind of preparation method of ultra-thin glass sensor, includes the following steps:
S1. large stretch of glass substrate that thickness is greater than 0.4mm is provided, the sheet glass substrate has the first surface being oppositely arranged
And second surface；
S2. sensor is made in the first surface of large stretch of glass substrate；
S3. the silk-screen indigo plant film on the sensor；
S4., large stretch of underlay substrate is provided；The silk-screen epoxy glue on large stretch of underlay substrate surface；(3) by large stretch of underlay substrate
Epoxy glue surface be bonded with the blue film surface of large stretch of glass substrate, obtain functional sheet；The underlay substrate is preferably glass base
Plate
S5. chemical reduction processing is carried out to the second surface of large stretch of glass substrate；To described second after chemical reduction processing
Surface is processed by shot blasting；
S6. the functional sheet is cut, obtains several small pieces functional sheets；
S7. small pieces functional sheet described in cryogenic freezing, isolates underlay substrate, obtains ultra-thin glass sensor；Wherein, cryogenic freezing
Temperature be 150 DEG C of 20 DEG C ~ ﹣ of ﹣.
Embodiment 2
A kind of ultra-thin glass sensor, preparation method include the following steps:
S1. large stretch of glass substrate that thickness is greater than 0.4mm is provided, the sheet glass substrate has the first surface being oppositely arranged
And second surface；
S2. sensor is made in the first surface of large stretch of glass substrate；
S3. the silk-screen indigo plant film on the sensor；
S4., large stretch of underlay substrate is provided；The silk-screen epoxy glue on large stretch of underlay substrate surface；(3) by large stretch of underlay substrate
Epoxy glue surface be bonded with the blue film surface of large stretch of glass substrate, obtain functional sheet；The underlay substrate is preferably glass base
Plate
S5. chemical reduction processing is carried out to the second surface of large stretch of glass substrate；To described second after chemical reduction processing
Surface is processed by shot blasting；
S6. the functional sheet is cut, obtains several small pieces functional sheets；
S7. small pieces functional sheet described in cryogenic freezing, isolates underlay substrate, obtains ultra-thin glass sensor；Wherein, cryogenic freezing
Temperature be 150 DEG C of 20 DEG C ~ ﹣ of ﹣.
Wherein, the ultra-thin glass sensor with a thickness of 60-80 μm.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as, as long as skill obtained in the form of equivalent substitutions or equivalent transformations
Art scheme should all be fallen within the scope and spirit of the invention.
Claims (9)
1. a kind of preparation method of ultra-thin glass sensor, includes the following steps:
S1. large stretch of glass substrate is provided, the sheet glass substrate has the first surface and second surface being oppositely arranged；
S2. sensor is made in the first surface of large stretch of glass substrate；
S3. the silk-screen indigo plant film on the sensor；
S4. large stretch of underlay substrate is bonded by glue-line with the blue film surface of large stretch of glass substrate, obtains functional sheet；
S5. reduction processing is carried out to the second surface of large stretch of glass substrate；
S6. the functional sheet is cut, obtains several small pieces functional sheets；
S7. small pieces functional sheet described in cryogenic freezing, isolates underlay substrate, obtains ultra-thin glass sensor.
2. the preparation method of ultra-thin glass sensor as described in claim 1, which is characterized in that the concrete operations of step S4
Are as follows: (1) large stretch of underlay substrate is provided；(2) the silk-screen epoxy glue on large stretch of underlay substrate surface；(3) by large stretch of substrate base
The epoxy glue surface of plate is bonded with the blue film surface of large stretch of glass substrate, obtains functional sheet.
3. the preparation method of ultra-thin glass sensor as described in claim 1, which is characterized in that cryogenic freezing in step S7
Temperature is 150 DEG C of 20 DEG C ~ ﹣ of ﹣.
4. the preparation method of ultra-thin glass sensor as described in claim 1, which is characterized in that in step S1, the sheet
The thickness of glass substrate is greater than 0.4mm.
5. the preparation method of ultra-thin glass sensor as described in claim 1, which is characterized in that the ultra-thin glass sensor
With a thickness of 25-300 μm.
6. the preparation method of ultra-thin glass sensor as described in claim 1, which is characterized in that the underlay substrate is glass
Substrate.
7. the preparation method of ultra-thin glass sensor as described in claim 1, which is characterized in that in step S5, to described big
The second surface progress physics of sheet glass substrate is thinned or chemical reduction.
8. the preparation method of ultra-thin glass sensor as claimed in claim 7, which is characterized in that the big sheet glass base
After the second surface of plate carries out chemical reduction, the second surface is processed by shot blasting.
9. a kind of ultra-thin glass sensor is prepared by the described in any item methods of claim 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810751840.XA CN109164930A (en) | 2018-07-10 | 2018-07-10 | A kind of ultra-thin glass sensor and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810751840.XA CN109164930A (en) | 2018-07-10 | 2018-07-10 | A kind of ultra-thin glass sensor and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113402177A (en) * | 2020-03-17 | 2021-09-17 | 福耀玻璃工业集团股份有限公司 | Cold bending forming method for ultrathin high-aluminum cover plate glass |
| CN113636758A (en) * | 2021-08-06 | 2021-11-12 | 河北光兴半导体技术有限公司 | Preparation method of ultrathin glass, ultrathin glass and application |
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Application publication date: 20190108 |