CN104391614A - Method for producing touch screen sensor in gravure micro transfer printing way - Google Patents
Method for producing touch screen sensor in gravure micro transfer printing way Download PDFInfo
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- CN104391614A CN104391614A CN201310634214.XA CN201310634214A CN104391614A CN 104391614 A CN104391614 A CN 104391614A CN 201310634214 A CN201310634214 A CN 201310634214A CN 104391614 A CN104391614 A CN 104391614A
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- bat printing
- intaglio plate
- roller
- touch panel
- transfer printing
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Abstract
The invention discloses a method for producing a touch screen sensor in a gravure micro transfer printing way. The method comprises the steps of designing and producing a gravure, loading and pre-positioning a transfer printing roller, loading and positioning the gravure, aligning the gravure and a transfer printing substrate, filling grooves of the gravure and collecting ink, a micro transfer printing, to be specific: adjusting the clearance and pressure between the transfer printing roller and the gravure and between the transfer printing roller and the transfer printing substrate after the starting point position of the transfer printing roller on the gravure and the transfer printing substrate is adjusted; under the action of adhesion force of the transfer printing roller, adhering a transfer printing material in the groove of the gravure, and starting a heating system; transfer-printing the transfer printing material on the roller to an end point while the viscosity of the transfer printing material is reduced after the roller reaches a starting point of the substrate, injecting cooling water into the roller, cooling the roller, discharging the cooling water after the roller is cooled to certain temperature, and carrying out the next transfer printing; forming the touch screen sensor structure. By adopting the method, the production of all touch screen sensors in different sizes and with different substrates can be satisfied, the precision is high, the efficiency is high, and the environmental pollution is avoided.
Description
Technical field
The present invention relates to the method that the micro-bat printing of a kind of intaglio plate makes touch panel sensor.
Background technology
Touch-screen Touch Sensor is divided into two classes by material, Film and Glass material.Film type Sensor generally divides individual layer and double-decker, and every layer of Film structure generally is ITO Pattern, and edge Ag starches cabling.Tradition Glass Sensor is divided into again individual layer multiple spot, many structures such as DITO, SITO, present stage main flow be OGS structure, structure and process sequence differ.
Based on the differentiation of touch screen structure, the method for making of Touch Panel also emerges in an endless stream.The particularly moulding section of Pattern circuit, current precision and the highest method of resolution are directional light exposure technology: under the effect of g, h, i band of light, irradiated by mask plate, after obtain Pattern figure through development.This mode is by capturing the contraposition MARK of mask plate and underlay substrate, and aligning accuracy is high, and resolve pixel ability by force, be suitable for ITO Pattern, BM, OC etc. of all Touch Sensor, especially metal bridge structure is shaping simultaneously.Mask-free photolithography and laser technique, similar in principle in addition, utilizes the feature of laser alignment, under image identification system effect, in conjunction with map file, after bitmap layer is completed, utilize laser to form Pattern circuit pack, the techniques such as auxiliary development etching stripping, complete making.Silk screen printing process, by high precision screen printer, under the effect of web plate mask, formed and need Pattern line pattern, the techniques such as assisted etch stripping, complete the making of Touch Panel.In addition also have ink-jet printing process, utilize ink-jet printer to control ink ejection amount, directly map file is imported on substrate, form the figure of Structure of need.
Current touch-screen manufacturer mainly adopts gold-tinted line parallel light exposure mode.But gold-tinted technique for glue spreader and exposure machine configuration requirement all very high, equipment cost remains high always; Directional light exposure needs special mask light shield to every Rotating fields in addition, and material cost is higher; Development is needed to wait waste lot of materials and water power consumption after exposure.Mask-free photolithography and laser, weak point is that lasing efficiency is slow, the bad control of energy, and easily the short open circuit of formation etc. are bad.Silk screen printing process is main is that utilization is shaping at the circuit that some Pattern accuracy requirements such as Film are not high, and its precision is low, and efficiency is slow, cannot complete the production of high precision and high-resolution structural.Although ink-jet printing process is without the need to operations such as exposure imagings, save material and facility cost, require very high for material and ink-jet printer, material spreads on substrate and the problem such as resolution can not solve always very well.
Obviously, above-mentioned various method, all respectively has the drawback of oneself.
Summary of the invention
The object of this invention is to provide the method that the micro-bat printing of a kind of intaglio plate makes touch-screen.To achieve these goals, the invention provides the method that the micro-bat printing of a kind of intaglio plate makes touch panel sensor, it comprises the steps:
Intaglio plate design procedure: according to the simple grain size map file of touch panel sensor, comprises 3.5 cun, 4 cun, 5 cun, the map file of 7 cun and the map file of other sizes, carries out typesetting, obtain typesetting figure according to glass or thin film substrate material size on electronic drawings and archives; Then according to touch panel sensor structure layer, comprise BM, shades of colour ink, ITO electrode, OC insulation course, metal molybdenum aluminium molybdenum electrode, copper, ag paste electrode, OC protective seam and other each electrode coatings, fractionation structure layer is carried out according to typesetting figure, obtain the designed graphic document of each structure layer intaglio plate, design upper and lower operation alignment mark simultaneously;
Intaglio plate making step: the dull and stereotyped material choosing certain size and thickness, comprise quartz glass, soda glass, stainless steel flat plate and various flatness good, the material that hardness is high, according to the design configuration of each structure layer of touch panel sensor, after the auxiliary lower drawing of CCD recognition system and plate center are located, utilize laser without mask etch technology, the groove pattern of etching certain depth, obtains the intaglio plate of each layer;
Bat printing roller loads and pre-determined bit step: choose stainless steel roller, inside is hollow-core construction, can inject according to Computer signal and discharge chilled water; And select corresponding width and fit diameter, thermal conductivity is good, thickness is homogeneous roller skin, can be silica gel roller skin, clean clean after be linked on stainless steel roller, be then loaded in pad printer and load on crossbeam, and locking after doing initial bit calibration;
Intaglio plate loads and positioning step: choose corresponding intaglio plate according to the structural order of touch panel sensor, after clean to intaglio plate, by Manipulator Transportation to loading stage; By apparatus for automatically loading, under CCD recognition system is auxiliary, carry out adjustment location to intaglio plate physics initial point position, comprise X, Y, Z tri-axle levelness and verticality, adjustment is carried out vacuum suction to intaglio plate after locating and is fixed;
Intaglio plate and bat printing substrate contraposition step: bat printing substrate, after horizontal flow or Manipulator Transportation to pad printing platform, utilize edge inductor to detect three, length limit point, carry out edge contraposition, the first operation only does edge contraposition; After first operation is shaping, subsequent handling, after edge contraposition, under CCD recognition system, utilizes alignment mark on intaglio plate and bat printing substrate to carry out contraposition adjustment;
The groove of intaglio plate fills up and receives black step: by injection system from intaglio plate side starting point coating bat printing material, comprise black BM, various ink, OC insulation course, OC protective seam, positivity protective material, silver slurry and other each soft materials; Doctor fills the groove of intaglio plate from starting point to bat printing homogenize material behind location; Receive ink knife system by precision to advance bat printing material in floating groove make the bat printing material of noresidue beyond groove from starting point;
Micro-bat printing step: under CCD recognition system and computer system are assisted, adjustment bat printing roller is in intaglio plate and the initial point position on bat printing substrate; Then by pressure transducer, the gap of adjustment bat printing roller and intaglio plate, bat printing roller and bat printing substrate and pressure; Under the adhesion effect of bat printing roller, adhere to the bat printing material in gravure groove, then started heating system; After bat printing roller arrives bat printing substrate starting point, the bat printing viscosity of material sticked on bat printing roller reduces and starts bat printing to terminating point, inject chilled water according to Computer signal lamp system to bat printing roller after completing to cool by it, discharge chilled water after being down to uniform temperature and carry out lower a slice bat printing;
Touch panel sensor shaping structures step: according to intaglio pattern plastic BM of bat printing Post RDBMS, shades of colour ink, OC insulation course, OC protective seam, silver slurry layer and the soft figure layer material of other various matter; And ITO electrode line construction, metal molybdenum aluminium molybdenum, copper electrode and other film plating layer line constructions, after solidification bat printing material, by etching, then peel off the positivity protective material aftershaping be attached on structural sheet; In the manner described above and touch panel sensor structure, after completing ground floor structure bat printing, during the second operation bat printing, assist searching second operation and the first operation alignment mark by CCD recognition system, complete the fit with the first operation; Subsequent handling all according to the principle with a upper operation fit, completes micro-bat printing of whole touch panel sensor structural sheet;
Cutting burst obtains simple grain touch panel sensor.
Described intaglio plate can be used for all sizes; the shaping structures of the touch panel sensor BM of the different bat printing substrate of glass or film, shades of colour ink, ITO electrode, OC insulation course, metal molybdenum aluminium molybdenum, copper, silver slurry, OC protective seam and other each electrode layer; the shaping groove live width resolution of intaglio plate bat printing is 10um, and upper and lower operation repeats aligning accuracy 2um.
Bat printing roller is divided into stainless steel roller and heat conduction roller skin, stainless steel roller boring structure, heating system can be started, bat printing viscosity of material is made to reduce to such an extent as to transfer on bat printing substrate completely, inside can be injected according to Computer signal lamp system and discharge chilled water simultaneously, makes bat printing roller return to uniform temperature and carries out lower a slice bat printing.
In intaglio plate and bat printing substrate contraposition step, detect bat printing substrate contraposition reference by edge inductor, and make intaglio pattern consistent with the contraposition of bat printing substrate figure by CCD recognition system and computer system, complete the making of whole touch panel sensor.
The invention has the beneficial effects as follows: save equipment and material cost, without the need to glue spreader and exposure machine and mask plate, without the need to development, eliminate waste water and gas and discharge the environmental pollution caused, saved the consuming cost of development and water, electricity and gas simultaneously.High-res and aligning accuracy, meet the graphic making of all structures of current all touch sensings, efficiency is high, directly utilizes intaglio plate to carry out shaping structures.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the micro-bat printing schematic flow sheet of intaglio plate that the micro-bat printing of intaglio plate of the present invention makes the method for touch panel sensor.
Fig. 2 is the structural sheet schematic diagram of touch panel sensor.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, element numbers similar in accompanying drawing represents similar element.As mentioned above, the micro-bat printing of a kind of intaglio plate is provided to make the method for touch-screen.As illustrated in fig. 1 and 2,
The micro-bat printing of intaglio plate makes a method for touch panel sensor, comprises the steps:
Intaglio plate 10 design procedure: according to the simple grain size map file of touch panel sensor, as 3.5 cun, 4 cun, 5 cun, the map file of 7 cun and the map file of other sizes, according to backing material sizes such as glass Glass or film F ilm, electronic drawings and archives carries out typesetting; Then according to touch panel sensor structure map file, as BM(Blackmatrix), shades of colour ink, ITO electrode, OC(Overcoater) insulation course, metal molybdenum aluminium molybdenum (MOALMO) electrode, Ni metal or ag paste electrode, OC(Overcoater) protective seam and other each electrode coatings etc., split layer is carried out according to typesetting figure, obtain the designed graphic document of each layer intaglio plate 10, design upper and lower operation alignment mark simultaneously;
Intaglio plate 10 making step: the dull and stereotyped material choosing certain size and thickness, as good in quartz glass (Glass), soda glass (Glass), stainless steel flat plate and various flatness, the material etc. that hardness is high, according to the design configuration of each structure layer of touch panel sensor, after the auxiliary lower drawing of CCD recognition system and plate center are located, utilize laser without mask etch or other technologies, groove 11 figure of etching certain depth, obtains the intaglio plate 10 of each layer;
Bat printing roller 20 loads and pre-determined bit step: choose stainless steel roller, and inside is hollow-core construction, can inject according to Computer signal and discharge chilled water; And select corresponding width and fit diameter, the roller skin that thermal conductivity is good, thickness is homogeneous, as silica gel roller skin, clean clean after be linked on stainless steel roller 20, then overall fit is loaded in pad printer and loads on crossbeam, and locking after doing initial bit calibration;
Intaglio plate 10 loads and positioning step: choose corresponding intaglio plate 10 according to the structural order of touch panel sensor, after clean to intaglio plate 10, by Manipulator Transportation to loading stage; By apparatus for automatically loading, under CCD recognition system is auxiliary, carries out adjustment location, comprise X to intaglio plate 10 physics initial point position, Y, Z tri-axle levelness and verticality, adjustment is carried out vacuum suction to intaglio plate 10 after locating and is fixed;
Intaglio plate 10 and bat printing substrate 30 contraposition step: bat printing substrate 30, after horizontal flow or Manipulator Transportation to pad printing platform, utilize edge inductor to detect three, length limit point, carry out edge contraposition, the first operation only does edge contraposition; After first operation is shaping, subsequent handling, after edge contraposition, under CCD recognition system, utilizes intaglio plate 10 to carry out contraposition adjustment with alignment mark on bat printing substrate 30;
The groove 11 of intaglio plate 10 fills up and receives black step: by injection system from intaglio plate 10 side starting point coating bat printing material 21, as black BM(Black matrix), ink, OC(Overcoater) insulation course, OC protective seam, positivity protective material, silver slurry and other each soft materials; From starting point, bat printing material 21 is filled equably to the groove 11 of intaglio plate 10 behind doctor location; Receive ink knife system by precision to advance bat printing material 21 in floating groove 11 make noresidue beyond groove 10 from starting point;
Micro-bat printing step: under CCD recognition system and computer system are assisted, the bat printing roller 20 adjusted is in intaglio plate 10 and the initial point position on bat printing substrate 30; Then by pressure transducer, bat printing roller 20 and intaglio plate 10 is adjusted, the gap of bat printing roller 20 and bat printing substrate 30 and pressure; Under the adhesion effect of bat printing roller 20, adhere to the bat printing material 21 in the groove 11 of intaglio plate 10, rear startup heating system; After bat printing roller 20 arrives bat printing substrate starting point, bat printing material 21 viscosity sticked on bat printing roller 20 reduces and starts bat printing to terminating point, inject chilled water according to Computer signal lamp system to bat printing roller after completing to cool by it, discharge chilled water after being down to uniform temperature and carry out lower a slice bat printing;
Touch panel sensor shaping structures step: according to intaglio plate 10 figure bat printing Post RDBMS plastic have BM(Black matrix), shades of colour ink, OC(Overcoater) insulation course, OC protective seam, silver slurry layer and the soft figure layer material of other various matter; ITO electrode line construction, metal molybdenum aluminium molybdenum (MOALMO), Cu electrode and other film plating layer line constructions, after solidification bat printing material 21, by etching, then peeling off the positivity protective material be attached on structural sheet could be shaping; In the manner described above and touch panel sensor structure, after completing ground floor structure bat printing, during the second operation bat printing, assist searching second operation and the first operation alignment mark by CCD recognition system, complete the fit with the first operation; Subsequent handling all according to the principle with a upper operation fit, completes micro-bat printing of whole touch panel sensor structural sheet.Namely rear cutting burst obtains simple grain touch panel sensor.
Described intaglio plate 10 can be used for all sizes; the touch panel sensor BM(Black matrix of the different bat printing substrates 30 such as glass (Glass) or film (Film)), ink, ITO electrode, OC insulation course, metal molybdenum aluminium molybdenum, copper, silver slurry, OC protective seam and other each electrode layer shaping structures; the wide resolution of groove 11 form wire route of intaglio plate 10 bat printing is 10um, and upper and lower operation repeats aligning accuracy 2um.
Bat printing roller 20 is divided into stainless steel roller and heat conduction roller skin, stainless steel roller boring structure, heating system can be started, bat printing material 21 viscosity is made to reduce to such an extent as to transfer on bat printing substrate 30 completely, inside can be injected according to Computer signal lamp system and discharge chilled water simultaneously, makes bat printing roller 20 return to uniform temperature and carries out lower a slice bat printing.
Receive ink knife system by precision to advance the step of bat printing material 21 in floating groove 11 from starting point, also comprise bat printing material 21 noresidue made beyond intaglio plate 10 plane upper groove 10.
In intaglio plate 10 and bat printing substrate 30 contraposition step, detect bat printing substrate 30 contraposition reference by edge inductor, and make intaglio plate 10 figure accurately consistent with the contraposition of substrate figure by CCD recognition system and computer system, complete the making of whole touch panel sensor.
As shown in Figure 2, the touch sensing structure that the present invention comprises is as follows: backing material 41, as Glass or Film etc.; Alignment mark 42, figure is as "+", "○", " " etc., and material is ink, BM, ITO, OC or Metal etc.; Sensor function Rotating fields, label is 43,44,45,46, concrete determines according to structure, can delete, structure layer is as " ITO+Ag ", " ITO+OC1+Metal+OC2 ", " BM+ITO ", " BM+ITO+OC1+Metal+OC2 ", " BM+ITO1+OC1+ITO2+Metal+OC2 " etc.
The present invention adopts high precision gravure process to replace directional light mask or mask-free photolithography in prior art, stencil printing, and inkjet printing mode, high-precision realization can repeat contraposition and Line-width precision, and few material consumption, it also avoid the material consumption and environmental pollution of developing and causing.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (4)
1. the micro-bat printing of intaglio plate makes a method for touch panel sensor, it is characterized in that, comprises the steps:
Intaglio plate design procedure: according to the simple grain size map file of touch panel sensor, comprise the different size map file of 3.5 cun, 4 cun, 5 cun, 7 cun, carry out typesetting according to glass or thin film substrate material size on electronic drawings and archives, obtain typesetting figure; Then according to touch panel sensor structure layer, comprise BM, shades of colour ink, ITO, OC insulation course, metal molybdenum aluminium molybdenum, copper, silver slurry, OC protective seam, fractionation structure layer is carried out according to typesetting figure, obtain the designed graphic document of each structure layer intaglio plate, design upper and lower operation alignment mark simultaneously;
Intaglio plate making step: the dull and stereotyped material choosing certain size and thickness, comprise quartz glass, soda glass, stainless steel flat plate material, according to the design configuration of each structure layer of touch panel sensor, after the auxiliary lower drawing of CCD recognition system and plate center are located, utilize laser without mask etch technology, the groove pattern of etching certain depth, obtains the intaglio plate of each layer;
Bat printing roller loads and pre-determined bit step: choose stainless steel roller, inside is hollow-core construction, can inject according to Computer signal and discharge chilled water; And select corresponding width and fit diameter, thermal conductivity is good, thickness is homogeneous roller skin, can be silica gel roller skin, clean clean after be linked on stainless steel roller, be then loaded in pad printer and load on crossbeam, and locking after doing initial bit calibration;
Intaglio plate loads and positioning step: choose corresponding intaglio plate according to the structural order of touch panel sensor, after clean to intaglio plate, by Manipulator Transportation to loading stage; By apparatus for automatically loading, under CCD recognition system is auxiliary, carry out adjustment location to intaglio plate physics initial point position, comprise X, Y, Z tri-axle levelness and verticality, adjustment is carried out vacuum suction to intaglio plate after locating and is fixed;
Intaglio plate and bat printing substrate contraposition step: bat printing substrate, after horizontal flow or Manipulator Transportation to pad printing platform, utilize edge inductor to detect three, length limit point, carry out edge contraposition, the first operation only does edge contraposition; After first operation is shaping, subsequent handling, after edge contraposition, under CCD recognition system, utilizes alignment mark on intaglio plate and bat printing substrate to carry out contraposition adjustment;
The groove of intaglio plate fills up and receives black step: by injection system from intaglio plate side starting point coating bat printing material, comprise BM, shades of colour ink, OC insulation course, OC protective seam, positivity protective material, silver-colored pulp material; Doctor fills the groove of intaglio plate from starting point to bat printing homogenize material behind location; Receive ink knife system by precision to advance bat printing material in floating groove make the bat printing material of noresidue beyond groove from starting point;
Micro-bat printing step: under CCD recognition system and computer system are assisted, adjustment bat printing roller is in intaglio plate and the initial point position on bat printing substrate; Then by pressure transducer, the gap of adjustment bat printing roller and intaglio plate, bat printing roller and bat printing substrate and pressure; Under the adhesion effect of bat printing roller, adhere to the bat printing material in gravure groove, then started heating system; After bat printing roller arrives bat printing substrate starting point, the bat printing viscosity of material sticked on bat printing roller reduces and starts bat printing to terminating point, inject chilled water according to Computer signal lamp system to bat printing roller after completing to cool by it, discharge chilled water after being down to uniform temperature and carry out lower a slice bat printing;
Touch panel sensor shaping structures step: according to the intaglio pattern plastic BM of bat printing Post RDBMS, shades of colour ink, OC insulation course, OC protective seam, a silver slurry layer; And ITO, metal molybdenum aluminium molybdenum, copper and other film plating layer line constructions, after solidification bat printing material, by etching, then peel off the protective material aftershaping be attached on structural sheet; In the manner described above and touch panel sensor structure, after completing ground floor structure bat printing, during the second operation bat printing, assist searching second operation and the first operation alignment mark by CCD recognition system, complete the fit with the first operation; Subsequent handling all according to the principle with a upper operation fit, completes micro-bat printing of whole touch panel sensor structural sheet;
Cutting burst obtains simple grain touch panel sensor.
2. the micro-bat printing of intaglio plate as claimed in claim 1 makes the method for touch panel sensor, it is characterized in that, described intaglio plate can be used for all sizes, the touch panel sensor BM of glass or the different bat printing substrate of film, shades of colour ink, ITO, OC insulation course, metal molybdenum aluminium molybdenum, copper, silver are starched, the shaping structures of OC electrode layer, the shaping groove live width resolution of intaglio plate bat printing is 10um, and upper and lower operation repeats aligning accuracy 2um.
3. the micro-bat printing of intaglio plate as claimed in claim 1 makes the method for touch panel sensor, it is characterized in that, bat printing roller is divided into stainless steel roller and heat conduction roller skin, stainless steel roller boring structure, heating system can be started, make bat printing viscosity of material reduce to such an extent as to transfer on bat printing substrate completely, inside can be injected according to Computer signal lamp system and discharge chilled water simultaneously, makes bat printing roller return to uniform temperature and carries out lower a slice bat printing.
4. the micro-bat printing of intaglio plate as claimed in claim 1 makes the method for touch panel sensor, it is characterized in that, in intaglio plate and bat printing substrate contraposition step, bat printing substrate contraposition reference is detected by edge inductor, and make intaglio pattern consistent with the contraposition of bat printing substrate figure by CCD recognition system and computer system, complete the making of whole touch panel sensor.
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| CN201310634214.XA CN104391614B (en) | 2013-12-02 | 2013-12-02 | Intaglio plate micro-shifting prints the method for making touch panel sensor |
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| CN201310634214.XA CN104391614B (en) | 2013-12-02 | 2013-12-02 | Intaglio plate micro-shifting prints the method for making touch panel sensor |
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| CN108447891A (en) * | 2018-05-07 | 2018-08-24 | 京东方科技集团股份有限公司 | A kind of production method of display panel, display panel and printer device |
| CN108958527A (en) * | 2017-05-22 | 2018-12-07 | 希迪普公司 | Touch input device and its manufacturing method including light shield layer |
| CN110202966A (en) * | 2019-05-29 | 2019-09-06 | 恩利克(上海)智能装备有限公司 | Antiexplosion telephone glass back-cover production method and glass back-cover |
| CN110752309A (en) * | 2019-10-10 | 2020-02-04 | 恩利克（浙江）智能装备有限公司 | Foldable flexible transparent anode and manufacturing method thereof |
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|---|---|
| CN104391614B (en) | 2017-09-22 |
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