CN103543890A - Manufacturing technology of monolayer capacitive touch screen and processing method of electronic device with touch screen - Google Patents
Manufacturing technology of monolayer capacitive touch screen and processing method of electronic device with touch screen Download PDFInfo
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- CN103543890A CN103543890A CN201210247759.0A CN201210247759A CN103543890A CN 103543890 A CN103543890 A CN 103543890A CN 201210247759 A CN201210247759 A CN 201210247759A CN 103543890 A CN103543890 A CN 103543890A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000005516 engineering process Methods 0.000 title abstract description 9
- 239000002356 single layer Substances 0.000 title abstract description 8
- 238000003672 processing method Methods 0.000 title abstract 2
- 239000000758 substrate Substances 0.000 claims abstract description 96
- 239000011521 glass Substances 0.000 claims abstract description 93
- 238000005728 strengthening Methods 0.000 claims abstract description 16
- 238000007781 pre-processing Methods 0.000 claims abstract description 11
- 238000007688 edging Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 36
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- 238000000465 moulding Methods 0.000 claims description 12
- 239000000047 product Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 10
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- 238000012545 processing Methods 0.000 abstract description 14
- 239000010410 layer Substances 0.000 description 40
- 201000005947 Carney Complex Diseases 0.000 description 23
- 239000006059 cover glass Substances 0.000 description 6
- 238000001259 photo etching Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
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Abstract
The invention discloses a manufacturing technology of a monolayer capacitive touch screen. The manufacturing technology includes the following steps that firstly, a glass substrate is provided; secondly, CNC preprocessing is performed on the glass substrate, and a terminal product shape contour groove is formed in one side of the glass substrate; thirdly, the glass substrate is strengthened; fourthly, surface processing is performed on the glass substrate; fifthly, an ITO conducting film is electroplated on the glass substrate; sixthly, an electrode pattern is manufactured on the ITO conducting film; seventhly, a conducting circuit is manufactured, and a circuit interface port is formed in one end of the glass substrate; eighthly, the glass substrate is cut; ninthly, CNC edging is performed; tenthly, an FPC is stuck to the circuit interface port of the glass substrate. According to the manufacturing technology of the monolayer capacitive touch screen and a processing method of an electronic device with the monolayer capacitive touch screen, depth processing of the CNC part of glass is performed in advance, strengthening processing is then performed, and therefore when processing is finished, the strength of the monolayer capacitive touch screen will not be lost.
Description
[technical field]
The present invention relates to a kind of capacitive touch screen method for making, particularly a kind of individual layer capacitive touch screen manufacture craft and adopt the electronic equipment job operation of this touch-screen.
[background technology]
General capacitance type touch-control panel; its structure is all the touch sensing layer (English: multiple stratification structure Touch Sensor), such structure is except increasing design difficulty and raising the cost also consuming time adopting under cover plate cover glass (or PET film).Because traditional Projected capacitive touch panel must be used 1～2 sheet glass, be made into touch sensing layer, add upper cover plate, cause complicated structure.Therefore, touch panel module manufacturer is just actively incorporated into surface cap by touch sensing, and hope can reduce material cost, reduce thickness and the weight of touch panel module.Therefore, research staff proposes the ultimate scheme of capacitance touching control, only with the cover glass of individual layer, just can complete the function of touch-control exactly.This by all touch sensing circuit-formings the mode on cover glass, can reach the lightest the thinnest structure, minimum material cost, minimum production equipment cost investment and maximum contact panel output capacity.Although there are different names in each touch-control module factory for this new processing procedure, comprise Touch on lens, one glass solution, window integrated sensortouch, direct patterned window etc., but these all belong to the method that touch sensing is incorporated into surface cap in fact.Each method has adopted 1 sheet glass, as the substrate of surface cap and touch sensing, referred to as " individual layer capacitive touch screen ".
It is reported, since 2011, many brand manufacturers such as NOKIA, Apple, Samsung etc., started requirement gentlier, thinner, the contact panel that more has cost competitiveness, this measure estimates to contribute to the acceleration of individual layer capacitive touch screen technology universal.The benefit of individual layer capacitive touch screen, is just that material cost is the most cheap, optical characteristics is best, weight is the lightest, therefore can use on non-display screen, as mirror, desk, window, vending machine, or replaces keyboard and various button.In application, take industrial, military, outdoor applications and external hanging type touch-control as main.
For example, yet there are many challenges in individual layer capacitive touch screen, be first to process rear plated film in exploitation, or first plated film aftertreatment.And fragmentation in strengthening process and scratch, the processing of printing surface be, the plated film Pattern of use, the impedance of conductive film, and and LCD Vcom layer between the problems such as capacitive coupling.Particularly existing many individual layer capacitive touch screen manufacture crafts generally tie up to and do cutting after moulding touch sensitive layer on glass and do CNC forming processes again, and glass intensity originally can be destroyed be fallen like this, and Production Time overspending easily causes production not enough.Therefore, the electronic equipment job operation that is necessary to provide a kind of new individual layer capacitive touch screen technique and adopts this touch-screen.
[summary of the invention]
For overcoming the individual layer capacitive touch screen of prior art, make bad problem, the invention provides a kind of cost lower, the individual layer capacitive touch screen manufacture craft that yield is higher and adopt the electronic equipment job operation of this touch-screen.
The technical scheme of technical solution problem of the present invention is: a kind of individual layer capacitive touch screen manufacture craft is provided, and it comprises the following steps: step S1: a glass substrate is provided; This glass substrate of step S2:CNC preprocessing, at glass substrate one side moulding end product external form profile groove; Step S3: strengthen this glass substrate; Step S4: this glass substrate of surface treatment; Step S5: electroplate ITO conductive film to this glass substrate; Step S6: make electrode pattern on ITO conductive film; Step S7: make a conducting wire, and form circuit interface end in this glass substrate one end; Step S8: glass-cutting substrate; Step S9:CNC edging; And step S10: bonding FPC is to the circuit interface end of this glass substrate.
Preferably, in step S2, the 1/4-1/2 that the thickness of this Pocket Machining is this thickness of glass substrate.
Preferably, in step S2, this external form profile groove and the finished product external form completing to be processed are consistent, and with the ratio of 1: 1, carry out.
Preferably, in step S2, when completing after the CNC of external form profile groove processes, with clear water or air gun, clean.
Preferably, in step S3, at this glass substrate, send into before strengthening stove is strengthened and need to outside this glass substrate, smear organic chemical by type profile groove.
Preferably, in step S8, need this glass substrate turn-over, be about to tool reeded settings that face down, and the external form before cutting is when set, must be than the little 0.01-0.05mm of external form of script.
Preferably, in step S6, the electrode pattern of many touch sensibles of moulding on ITO conductive film, when this ITO conductive film is one deck, the electrode pattern of these many touch sensibles is argyle design or strip pattern, when this ITO conductive film is while being two-layer, the electrode pattern of these many touch sensibles is net-like pattern.
Preferably, in step S7, be included in and on this glass substrate, electroplate a metal level and by this this conducting wire of metal level moulding of etching technique etching, and form circuit interface end in this glass substrate one end.
The technical scheme of technical solution problem of the present invention is: provide another to adopt the electronic equipment job operation of individual layer capacitance touch screen, it comprises an individual layer capacitance touch screen, and mobile phone or a panel computer module, this individual layer capacitive touch screen manufacture craft comprises the following steps: step S1 a: glass substrate is provided; This glass substrate of step S2:CNC preprocessing, at glass substrate one side moulding end product external form profile groove; Step S3: strengthen this glass substrate; Step S4: this glass substrate of surface treatment; Step S5: electroplate ITO conductive film to this glass substrate; Step S6: make electrode pattern on ITO conductive film; Step S7: make a conducting wire, and form circuit interface end in this glass substrate one end; Step S8: glass-cutting substrate; Step S9:CNC edging; And step S10: bonding FPC is to the circuit interface end of this glass substrate.
Preferably, it further comprises that this individual layer capacitive touch screen of assembling is to the number of assembling steps of the display module of this mobile phone or panel computer.
Compared to prior art, the electronic equipment job operation of individual layer capacitive touch screen manufacture craft of the present invention and employing individual layer capacitance touch screen is carried out in advance the degree of depth of a glass CNC part and then is carried out intensive treatment owing to having adopted, therefore the individual layer capacitive touch screen intensity after machining can not run off, this manufacture craft handling ease, intensity can not run off, and does not need the extra precision equipments that increase more yet.Separately, after making groove, this technique adopts clear water or air gun to clean especially, therefore reduced general employing ultrasonic to clean, easy product breaks.Again, the preprocessing groove of this processing technology is less than or equal to a half thickness of this glass substrate, therefore can effectively avoid that hard power in subsequent reinforced process cannot suitably be discharged and breaking of causing.Again, before strengthening step, technique coat organic chemical at groove, with effective cover glass substrate, chemistry system occurs in strengthening process and change.Again one, in cutting step by this glass substrate turn-over, be about to a tool reeded setting that faces down, and when the external form before cutting is set, must be than the little 0.01-0.05mm of external form originally, its cut edge, than the little 0.01-0.05mm of product shape, can effectively prevent, when secondary CNC edging, grind off the part that former recess edge is reinforced.Meanwhile, the method for making of capacitive touch screen provided by the invention only needs ITO circuit of single-surface single-layer etching, the technological process relating to, and its yield can be improved greatly, and cost is reduced.In addition, because be one side etching cabling, simple photoetching production line can be produced this type of functional glass, has solved current capacitance touch screen and need to rely on the bottleneck that high photoetching production line is made.
[accompanying drawing explanation]
Fig. 1 is first embodiment of the invention individual layer capacitive touch screen fabrication processing figure.
Fig. 2 is the electronic equipment job operation process flow diagram that second embodiment of the invention adopts the individual layer capacitive touch screen shown in Fig. 1.
[embodiment]
In order to make object of the present invention, technical scheme and advantage are clearer, below in conjunction with drawings and Examples, the present invention are further elaborated.Should be appreciated that concrete case study on implementation described herein, only in order to explain the present invention, is not intended to limit the present invention.
Please refer to Fig. 1, is a kind of electric layer capacitance touch-screen method for making that first embodiment of the invention provides, and it comprises the following steps:
Step S101 a: glass substrate is provided;
This glass substrate of step S102:CNC preprocessing, by the preprocessing in this glass substrate one side of CNC equipment, go out end product external form profile groove, first set the machining path of CNC equipment, its machining path and the finished product external form completing to be processed are consistent, with the ratio of 1: 1, carry out, and the 1/4-1/2 that the thickness of this CNC external form processing is this thickness of glass substrate, take that to be no more than 1/2 thickness be optimal selection, also need to retain more than at least 1/2 thickness, when completing after the CNC of external form profile groove processes, with clear water or air gun, clean;
Step S103: strengthen this glass substrate, treat that this glass substrate completes CNC external form processing first, being about to this glass substrate sends into strengthening stove and carries out intensive treatment, and at this glass substrate, send into strengthening stokehold and need to smear organic chemical at the groove of this glass substrate, to protect the groove on this glass substrate can generation chemistry system not change when strengthening;
Step S104: this glass substrate of surface treatment;
Step S105: electroplate ITO conductive film to this glass substrate, at plated surface last layer or the two-layer transparent conducting film of substrate, i.e. ITO (full name: Indium Tin Oxides, Chinese: indium tin oxide);
Step S106: make electrode pattern on ITO conductive film, the electrode pattern of many touch sensibles of moulding on ITO conductive film, this pattern can be argyle design or strip pattern or net-like pattern, when this ITO conductive film is one deck, the electrode pattern of these many touch sensibles is argyle design or strip pattern, when this ITO conductive film is while being two-layer, the electrode pattern of these many touch sensibles is net-like pattern;
Step S107: electroplate a metal level on this glass substrate;
Step S108: make conducting wire on this metal level, this link tester is crossed this metal level moulding of etching technique etching, and form circuit interface end in this glass substrate one end;
Step S109: glass-cutting substrate, in this step, need this glass substrate turn-over, be about to a tool reeded setting that faces down, and when the external form before cutting is set, must be than the little 0.01-0.05mm of external form originally, be its cut edge than the little 0.01-0.05mm of product shape, wherein take 0.05 as best;
This glass substrate of step S110:CNC edging; And
Step S111: bonding (Bonding) FPC, utilizes ACF (full name: Anisotropic Conductive Film, Chinese: anisotropic conductive film) FPC is bonded in to this PMMA substrate corresponding circuits interface end.
Compared to prior art, individual layer capacitive touch screen manufacture craft of the present invention is carried out in advance the degree of depth of a glass CNC part and then is carried out intensive treatment owing to having adopted, therefore the individual layer capacitive touch screen intensity after machining can not run off, this manufacture craft handling ease, intensity can not run off, and does not need the extra precision equipments that increase more yet.Separately, after making groove, this technique adopts clear water or air gun to clean especially, therefore reduced general employing ultrasonic to clean, easy product breaks.Again, the preprocessing groove of this processing technology is less than or equal to a half thickness of this glass substrate, therefore can effectively avoid that hard power in subsequent reinforced process cannot suitably be discharged and breaking of causing.Again, before strengthening step, technique coat organic chemical at groove, with effective cover glass substrate, chemistry system occurs in strengthening process and change.Again one, in cutting step by this glass substrate turn-over, be about to a tool reeded setting that faces down, and when the external form before cutting is set, must be than the little 0.01-0.05mm of external form originally, its cut edge, than the little 0.01-0.05mm of product shape, can effectively prevent, when secondary CNC edging, grind off the part that former recess edge is reinforced.Meanwhile, the method for making of capacitive touch screen provided by the invention only needs ITO circuit of single-surface single-layer etching, the technological process relating to, and its yield can be improved greatly, and cost is reduced.In addition, because be one side etching cabling, simple photoetching production line can be produced this type of functional glass, has solved current capacitance touch screen and need to rely on the bottleneck that high photoetching production line is made.
Please refer to Fig. 2, for the invention provides a kind of electronic equipment job operation of this individual layer capacitance touch screen of employing, it comprises the following steps:
Step S201 a: glass substrate is provided;
This glass substrate of step S202:CNC preprocessing, by the preprocessing in this glass substrate one side of CNC equipment, go out end product external form profile groove, first set the machining path of CNC equipment, its machining path and the finished product external form completing to be processed are consistent, with the ratio of 1: 1, carry out, and the 1/4-1/2 that the thickness of this CNC external form processing is this thickness of glass substrate, take that to be no more than 1/2 thickness be optimal selection, also need to retain more than at least 1/2 thickness, when completing after the CNC of external form profile groove processes, with clear water or air gun, clean;
Step S203: strengthen this glass substrate, treat that this glass substrate completes CNC external form processing first, being about to this glass substrate sends into strengthening stove and carries out intensive treatment, and at this glass substrate, send into strengthening stokehold and need to smear organic chemical at the groove of this glass substrate, to protect the groove on this glass substrate can generation chemistry system not change when strengthening;
Step S204: this glass substrate of surface treatment;
Step S205: electroplate ITO conductive film to this glass substrate, at plated surface last layer or the two-layer transparent conducting film of substrate, i.e. ITO (full name: Indium Tin Oxides, Chinese: indium tin oxide);
Step S206: make electrode pattern on ITO conductive film, the electrode pattern of many touch sensibles of moulding on ITO conductive film, this pattern can be argyle design or strip pattern or net-like pattern, when this ITO conductive film is one deck, the electrode pattern of these many touch sensibles is argyle design or strip pattern, when this ITO conductive film is while being two-layer, the electrode pattern of these many touch sensibles is net-like pattern;
Step S207: electroplate a metal level on this glass substrate;
Step S208: make conducting wire on this metal level, this link tester is crossed this metal level moulding of etching technique etching, and form circuit interface end in this glass substrate one end;
Step S209: glass-cutting substrate, in this step, need this glass substrate turn-over, be about to a tool reeded setting that faces down, and when the external form before cutting is set, must be than the little 0.01-0.05mm of external form originally, be its cut edge than the little 0.01-0.05mm of product shape, wherein take 0.05 as best;
This glass substrate of step S210:CNC edging; And
Step S211: bonding (Bonding) FPC, utilizes ACF (full name: Anisotropic Conductive Film, Chinese: anisotropic conductive film) FPC is bonded in to this PMMA substrate corresponding circuits interface end.Step S212: assemble this individual layer capacitive touch screen to mobile phone or panel computer module, one mobile phone or panel computer module are provided, it includes a display module, assembles this individual layer capacitive touch screen to the display module of this mobile phone or panel computer, completes electronic equipment assembling.
Compared to prior art, individual layer capacitive touch screen manufacture craft of the present invention is carried out in advance the degree of depth of a glass CNC part and then is carried out intensive treatment owing to having adopted, therefore the individual layer capacitive touch screen intensity after machining can not run off, this manufacture craft handling ease, intensity can not run off, and does not need the extra precision equipments that increase more yet.Separately, after making groove, this technique adopts clear water or air gun to clean especially, therefore reduced general employing ultrasonic to clean, easy product breaks.Again, the preprocessing groove of this processing technology is less than or equal to a half thickness of this glass substrate, therefore can effectively avoid that hard power in subsequent reinforced process cannot suitably be discharged and breaking of causing.Again, before strengthening step, technique coat organic chemical at groove, with effective cover glass substrate, chemistry system occurs in strengthening process and change.Again one, in cutting step by this glass substrate turn-over, be about to a tool reeded setting that faces down, and when the external form before cutting is set, must be than the little 0.01-0.05mm of external form originally, its cut edge, than the little 0.01-0.05mm of product shape, can effectively prevent, when secondary CNC edging, grind off the part that former recess edge is reinforced.Meanwhile, the method for making of capacitive touch screen provided by the invention only needs ITO circuit of single-surface single-layer etching, the technological process relating to, and its yield can be improved greatly, and cost is reduced.In addition, because be one side etching cabling, simple photoetching production line can be produced this type of functional glass, has solved current capacitance touch screen and need to rely on the bottleneck that high photoetching production line is made.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within principle of the present invention, are equal to and replace and within improvement etc. all should comprise protection scope of the present invention.
Claims (10)
1. an individual layer capacitive touch screen manufacture craft, it comprises the following steps:
Step S1 a: glass substrate is provided;
This glass substrate of step S2:CNC preprocessing, at glass substrate one side moulding end product external form profile groove;
Step S3: strengthen this glass substrate;
Step S4: this glass substrate of surface treatment;
Step S5: electroplate ITO conductive film to this glass substrate;
Step S6: make electrode pattern on ITO conductive film;
Step S7: make a conducting wire, and form circuit interface end in this glass substrate one end;
Step S8: glass-cutting substrate;
Step S9:CNC edging; And
Step S10: bonding FPC is to the circuit interface end of this glass substrate.
2. individual layer capacitive touch screen manufacture craft as claimed in claim 1, is characterized in that: in step S2, and the 1/4-1/2 that the thickness of this Pocket Machining is this thickness of glass substrate.
3. individual layer capacitive touch screen manufacture craft as claimed in claim 1, is characterized in that: in step S2, this external form profile groove and the finished product external form completing to be processed are consistent, and with the ratio of 1: 1, carry out.
4. individual layer capacitive touch screen manufacture craft as claimed in claim 1, is characterized in that: in step S2, when completing after the CNC of external form profile groove processes, with clear water or air gun, clean.
5. individual layer capacitive touch screen manufacture craft as claimed in claim 1, is characterized in that: in step S3, at this glass substrate, send into before strengthening stove is strengthened and need to outside this glass substrate, smear organic chemical by type profile groove.
6. individual layer capacitive touch screen manufacture craft as claimed in claim 1, it is characterized in that: in step S8, need this glass substrate turn-over, be about to a tool reeded setting that faces down, and when the external form before cutting is set, must be than the little 0.01-0.05mm of external form originally.
7. individual layer capacitive touch screen manufacture craft as claimed in claim 1, it is characterized in that: in step S6, the electrode pattern of many touch sensibles of moulding on ITO conductive film, when this ITO conductive film is one deck, the electrode pattern of these many touch sensibles is argyle design or strip pattern, when this ITO conductive film is while being two-layer, the electrode pattern of these many touch sensibles is net-like pattern.
8. individual layer capacitive touch screen manufacture craft as claimed in claim 1, it is characterized in that: in step S7, be included in and on this glass substrate, electroplate a metal level and by this this conducting wire of metal level moulding of etching technique etching, and form circuit interface end in this glass substrate one end.
9. an electronic equipment job operation that adopts individual layer capacitance touch screen, it comprises an individual layer capacitance touch screen, and mobile phone or a panel computer module, it is characterized in that: the electronic equipment job operation of this employing individual layer capacitance touch screen comprises any one individual layer capacitive touch screen manufacture craft as claim 1 to 8.
10. the electronic equipment job operation of a kind of employing individual layer capacitance touch screen as claimed in claim 9, is characterized in that: it further comprises that this individual layer capacitive touch screen of assembling is to the number of assembling steps of the display module of this mobile phone or panel computer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210247759.0A CN103543890B (en) | 2012-07-17 | 2012-07-17 | Monolayer capacitive touch screen manufacture method and use the electronic equipment processing method of this touch screen |
| TW102125616A TWI554929B (en) | 2012-07-17 | 2013-07-17 | Single-layer capacitive touch screen production process and the use of the touch Screen processing of electronic equipment |
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| CN201210247759.0A CN103543890B (en) | 2012-07-17 | 2012-07-17 | Monolayer capacitive touch screen manufacture method and use the electronic equipment processing method of this touch screen |
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| CN103543890A true CN103543890A (en) | 2014-01-29 |
| CN103543890B CN103543890B (en) | 2016-12-28 |
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| CN105068703A (en) * | 2015-08-01 | 2015-11-18 | 贵州达沃斯光电有限公司 | Integrated capacitive touch panel and manufacture method thereof |
| CN110568957A (en) * | 2019-08-30 | 2019-12-13 | 浙江昱鑫光电科技有限公司 | Manufacturing method of OGS touch screen |
| CN111499217A (en) * | 2020-04-27 | 2020-08-07 | 惠州市煜耀玻璃有限公司 | Preparation method of ITO conductive glass |
| CN112698752A (en) * | 2020-12-31 | 2021-04-23 | 深圳市中光电发展集团有限公司 | Manufacturing method of high-stability touch screen with single-layer film structure |
| CN113102945A (en) * | 2021-03-29 | 2021-07-13 | 深圳市锦瑞新材料股份有限公司 | Large-arc-height forming processing technology for composite board of mobile phone shell |
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| CN108640494B (en) * | 2018-04-24 | 2020-02-14 | 昆山国显光电有限公司 | Display screen slotting method and display screen |
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| CN110568957A (en) * | 2019-08-30 | 2019-12-13 | 浙江昱鑫光电科技有限公司 | Manufacturing method of OGS touch screen |
| CN111499217A (en) * | 2020-04-27 | 2020-08-07 | 惠州市煜耀玻璃有限公司 | Preparation method of ITO conductive glass |
| CN112698752A (en) * | 2020-12-31 | 2021-04-23 | 深圳市中光电发展集团有限公司 | Manufacturing method of high-stability touch screen with single-layer film structure |
| CN113102945A (en) * | 2021-03-29 | 2021-07-13 | 深圳市锦瑞新材料股份有限公司 | Large-arc-height forming processing technology for composite board of mobile phone shell |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI554929B (en) | 2016-10-21 |
| TW201413554A (en) | 2014-04-01 |
| CN103543890B (en) | 2016-12-28 |
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