CN103879164A - Process for printing mobile phone antenna - Google Patents
Process for printing mobile phone antenna Download PDFInfo
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- CN103879164A CN103879164A CN201410123418.1A CN201410123418A CN103879164A CN 103879164 A CN103879164 A CN 103879164A CN 201410123418 A CN201410123418 A CN 201410123418A CN 103879164 A CN103879164 A CN 103879164A
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Abstract
The invention provides a process for printing a mobile phone antenna. The process comprises the following steps: (1) providing a substrate to be printed with the mobile phone antenna, wherein the substrate is provided with a portion to be printed, and the portion to be printed is provided with an upper surface and a lower surface which are opposite to each other, and is provided with one or more holes; (2) respectively printing conductive silver paste to the opposite upper and lower surfaces of the portion to be printed; (3) carrying out glue dispensing on holes of the portion to be printed, of which the two surfaces are printed with the conductive silver paste, and enabling the internal walls of the holes to be covered with the conductive silver paste; (4) baking for 30-60 minutes at the temperature of 80-150 DEG C, thereby producing the mobile phone antenna. The process provided by the invention is simple and is convenient in operation and low in cost, and the produced mobile phone antenna is relatively stable in both structure and performance and has good application prospects.
Description
Technical field
the present invention relates to the field of the antenna of wireless terminal device, relate more specifically to a kind of technique of printing antenna for mobile phone.
Background technology
along with making rapid progress of science and technology, conductive silver paste replaces traditional electro-coppering, nickel gradually as the transmitting medium of antenna for mobile phone, and the manufacture craft of antenna for mobile phone is also gradually to simply, convenient, the future development of environmental protection.
but, traditional antenna for mobile phone manufacture craft is mainly following several mode in the market: the public announcement of a patent application that application number is 200920214043.4 a kind of employing flexible printed circuit board explained hereafter built-in antenna of mobile phone, this technique can be pasted on plane or 2 dimension curved surfaces, can not paste with being provided with on the joint face of presenting point at 3 dimensions and above curved surface; Application number a kind of LDS technique that has been 201310460603.5 public announcement of a patent application, by the laser hardening of glue, antenna position is carried out to moulding, adopt the mode of fluid bed to be attached to glue surface conductive powder, form electroplated conductive layer, then by traditional electroplating technique, finer and close conductive layer is attached to conductive powder surface, forms antenna.This process costs higher (laser equipment costliness), complex process, raw material are single, and electroplating technology pollutes larger; In addition, the Patent Application Publication that application number is 20110206089.3 a kind of PDS technique, in the good antenna prototype of injection mo(u)lding, the ink that bat printing can be plated, printing part carrying out copper facing and nickel plating.This technology process complexity, poor stability, cost is relatively high, and has used equally electroplating technique, pollutes larger.Also having a kind of typography is that an installing hole is set on plastic housing, in installing hole, insert PIN pin, be generally copper pin, in order to prevent coming off at the electrically conductive ink of PIN pin position printing, should, in advance at the ink of PIN pin position printing last layer strong adhesion, increase like this printing process.
Summary of the invention
in order to overcome the problems referred to above of the prior art, the invention provides a kind of technique of printing antenna for mobile phone, this technical process is simple, and cost qualification rate lower and product is higher.
the technical solution used in the present invention is: a kind of technique of printing antenna for mobile phone, comprises the following steps successively:
(1) provide the base material of antenna for mobile phone to be printed, base material has part to be printed, and part to be printed has relative upper surface and lower surface, and offers one or more holes in part to be printed;
(2) on relative upper and lower two surfaces of part to be printed, printing conductive silver is starched respectively, and the conductive silver paste after this printing, for being electrically connected with the upper printed circuit board (PCB) arranging of base material (casing or frame), forms conductive channel;
(3) to two surface printings the hole in the part to be printed of conductive silver paste carry out a glue, hole inwall is covered by conductive silver paste, like this, two lip-deep conductive silver pastes of the conductive silver paste on aperture inwall and part to be printed form conductive path, form the structure of antenna for mobile phone;
(4) at 80 ~ 150 ℃, dry 30 ~ 60 minutes, make antenna for mobile phone.
in step (1), the material of base material is selected from Merlon (PC), Merlon (PC) and the mixture (wherein the mass fraction of glass fibre accounts for the 10-50% of mixture) of mixture (wherein the mass fraction of glass fibre accounts for the 10-50% of mixture), polyamide (PA) and the glass fibre of glass fibre or the mixture (PC/ABS) of Merlon and acrylonitrile-butadiene-styrene copolymer.
typography of the present invention is applicable to the base material (hand set machine shell or frame) of various material, and the selectable scope of base material is wider, and is not limited to above-mentioned cited range of choice.
preferably, in step (2), the mode of printing is bat printing.
preferably, in step (2), the number of times of printing is 1 ~ 4 time, more preferably 3 times.
preferably, in step (3), some glue carries out under the pressure of 3 ~ 5 kg.
preferably, in step (3), the time of some glue is 3 ~ 6 seconds.
further, take the gross weight of conductive silver paste as benchmark, conductive silver paste is mainly mixed by the component of following percentage composition: modified epoxy, 10 ~ 20%; Silver powder, 50 ~ 70%; Solvent, 10 ~ 30%; Dispersant, 0.5 ~ 2%; Defoamer, 0.5 ~ 2%; Thixotropic agent, 0.5 ~ 1%; Coupling agent, 2 ~ 5%.
more preferably, solvent is one or both in ketone, esters solvent.
again preferably, ketones solvent is one or both in cyclohexanone, your ketone of different fluorine.Esters solvent is one or both in ethylene glycol ether acetate, 1-Methoxy-2-propyl acetate.
preferably, the silane alcohol base ammonium salt of the block interpolymers that dispersant is acidic-group, defoamer is Polyether Modified Polysiloxanes Defoaming Agent.
preferably, thixotropic agent is aerosil, and coupling agent is silane coupler.
in addition, modified epoxy can be thermoplasticity hydroxyl polyurethane modified bisphenol A type epoxy resin.
each constituent of above-mentioned conductive silver paste can directly be buied from the market by commercial sources.
compared with prior art, the present invention has the following advantages: the present invention is at the surperficial bat printing conductive silver paste of base material (in mobile phone shell or frame), and at the back side of mobile phone shell or frame same position also printing conductive silver slurry.In addition, the position of the silver of the printing conductive in mobile phone shell or frame slurry of the present invention has aperture, and the aperture inwall making by the mode of a glue also prints upper conductive silver paste, preferably the conductive silver paste of the front and back of mobile phone shell or frame is coupled together.Like this, can effectively avoid in installing hole, inserting in traditional handicraft conductive copper pin antenna for mobile phone use the loose contact that causes or the shortcoming of damage because of long-term, and reduced around copper pin the technique of printing-ink again.At the tow sides printing conductive inks of mobile phone frame or plastic housing, then by the mode of a glue, double-edged electrically conductive ink being connected is than the more effective method of PIN pin is installed.The first, reduce operation.PIN pin need not be installed, also, just without the ink that prints strong adhesion on PIN, reduce printing process, save manpower, reduce cost.The second, the ink of tow sides printed antenna and all ink of some glue are all conductive silver paste, can better be connected with wiring board, have guaranteed electric conductivity.Thereby the typography of antenna for mobile phone of the present invention is simpler, structure and the performance of antenna are more stable, and cost is lower, and efficiency is higher, has a good application prospect.
The specific embodiment
below in conjunction with specific embodiment, the present invention is described in further detail, so that those skilled in the art can understand the present invention better, thereby protection scope of the present invention is made to more explicit defining.
embodiment 1
the present embodiment provides a kind of technique of printing antenna for mobile phone, comprises the following steps successively:
(1) provide the base material of antenna for mobile phone to be printed, the material of this base material is Merlon (PC), and base material has part to be printed, and this part to be printed has relative upper surface and lower surface, and in part to be printed, offers the aperture at two intervals;
(2) on relative upper and lower two surfaces of part to be printed, starch respectively by bat printing printing conductive silver, and print respectively twice, the thickness of the steel plate using in printing is 24 μ m;
(3) to two surface printings two holes in the part to be printed of conductive silver paste carry out a glue, under the pressure of 3 kg, put glue 6 seconds, hole inwall is covered, to make conductive silver paste on two lip-deep conductive silver pastes and the aperture inwall of part to be printed jointly form the structure of antenna for mobile phone by conductive silver paste;
(4) at 80 ℃, dry 60 minutes, make antenna for mobile phone.
wherein, take the gross weight of conductive silver paste as benchmark, it is mixed by following component: thermoplasticity hydroxyl polyurethane modified bisphenol A type epoxy resin, 20%; Silver powder, 55%; Different fluorine that ketone, 19%; Dispersant (the silane alcohol base ammonium salt of the block interpolymers of acidic-group), 1%; Polyether Modified Polysiloxanes Defoaming Agent, 1%; Thixotropic agent (aerosil), 1%; Silane coupler, 3%.
?
embodiment 2
the present embodiment provides a kind of technique of printing antenna for mobile phone, comprises the following steps successively:
(1) provide the base material of antenna for mobile phone to be printed, the material of this base material is the mixture (wherein the mass fraction of glass fibre accounts for the 10-50% of mixture) of Merlon (PC) and glass fibre, base material has part to be printed, this part to be printed has relative upper surface and lower surface, and in part to be printed, offers the aperture at two intervals;
(2) on relative upper and lower two surfaces of part to be printed, starch respectively by bat printing printing conductive silver, and print respectively 3 times, the thickness of the steel plate using in printing is 25 μ m;
(3) to two surface printings two holes in the part to be printed of conductive silver paste carry out a glue, under the pressure of 4 kg, put glue 4 seconds, hole inwall is covered, to make conductive silver paste on two lip-deep conductive silver pastes and the aperture inwall of part to be printed jointly form the structure of antenna for mobile phone by conductive silver paste;
(4) at 100 ℃, dry 40 minutes, make antenna for mobile phone.
wherein, take the gross weight of conductive silver paste as benchmark, it is mixed by following component: thermoplasticity hydroxyl polyurethane epoxy resin, 10%; Silver powder, 60%; Cyclohexanone, 22%; Dispersant (the silane alcohol base ammonium salt of the block interpolymers of acidic-group), 1.5%; Polyether Modified Polysiloxanes Defoaming Agent, 1.5%; Thixotropic agent (aerosil), 1%; Silane coupler, 4%.
embodiment 3
the present embodiment provides a kind of technique of printing antenna for mobile phone, comprises the following steps successively:
(1) provide the base material of antenna for mobile phone to be printed, the material of this base material is the mixture (PC/ABS) of Merlon and acrylonitrile-butadiene-styrene copolymer, base material has part to be printed, this part to be printed has relative upper surface and lower surface, and in part to be printed, offers the aperture at two intervals;
(2) on relative upper and lower two surfaces of part to be printed, starch respectively by bat printing printing conductive silver, and print respectively three times, the thickness of the steel plate using in printing is 26 μ m;
(3) to two surface printings two holes in the part to be printed of conductive silver paste carry out a glue, under the pressure of 5 kg, put glue 3 seconds, hole inwall is covered, to make conductive silver paste on two lip-deep conductive silver pastes and the aperture inwall of part to be printed jointly form the structure of antenna for mobile phone by conductive silver paste;
(4) at 150 ℃, dry 30 minutes, make antenna for mobile phone.
wherein, take the gross weight of conductive silver paste as benchmark, it is mixed by following component: thermoplasticity hydroxyl polyurethane modified bisphenol A type epoxy resin, 10%; Silver powder, 70%; Ethylene glycol ether acetate, 10%; Dispersant (the silane alcohol base ammonium salt of the block interpolymers of acidic-group), 2%; Polyether Modified Polysiloxanes Defoaming Agent, 2%; Thixotropic agent (aerosil), 1%; Silane coupler, 5%.
the technological operation of printing antenna for mobile phone of the present invention is easy, and production efficiency is high and cost is lower, and prepared antenna structure and performance are all more stable, and can be adapted to multiple base material (mobile phone shell or frame), applied range.
above specific embodiment of the present invention is illustrated; but protection content of the present invention is not only limited to above embodiment; under of the present invention, in technical field, the common knowledge of a GPRS just can be carried out diversified change within the scope of its technology main idea.
Claims (10)
1. a technique of printing antenna for mobile phone, is characterized in that, comprises the following steps successively:
(1) provide the base material of antenna for mobile phone to be printed, described base material has part to be printed, and described part to be printed has relative upper surface and lower surface, and offers one or more holes in described part to be printed;
(2) on relative upper and lower two surfaces of described part to be printed, printing conductive silver is starched respectively;
(3) glue is carried out in the hole of two surfaces having been printed respectively in the part to be printed of conductive silver paste, and hole inwall is covered by conductive silver paste;
(4) at 80 ~ 150 ℃, dry 30 ~ 60 minutes, make antenna for mobile phone.
2. the technique of printing antenna for mobile phone according to claim 1, it is characterized in that: in step (1), the material of described base material is selected from the mixture of mixture, polyamide and glass fibre or the mixture of Merlon and acrylonitrile-butadiene-styrene copolymer of Merlon, Merlon and glass fibre.
3. the technique of printing antenna for mobile phone according to claim 1, is characterized in that: in step (2), the mode of printing is bat printing.
4. according to the technique of the printing antenna for mobile phone described in claim 1 or 3, it is characterized in that: in step (2), the number of times of printing is 1 ~ 4 time.
5. the technique of printing antenna for mobile phone according to claim 1, is characterized in that: in step (3), some glue carries out under the pressure of 3 ~ 5 kg.
6. the technique of printing antenna for mobile phone according to claim 1, is characterized in that: in step (3), the time of some glue is 3 ~ 6 seconds.
7. the technique of printing antenna for mobile phone according to claim 1, is characterized in that: take the gross weight of conductive silver paste as benchmark, described conductive silver paste is mainly mixed by following percentage composition component: modified epoxy, 10 ~ 20%; Silver powder, 50 ~ 70%; Solvent, 10 ~ 30%; Dispersant, 0.5 ~ 2%; Defoamer, 0.5 ~ 2%; Thixotropic agent, 0.5 ~ 1%; Coupling agent, 2 ~ 5%.
8. the technique of printing antenna for mobile phone according to claim 7, is characterized in that: described solvent is one or both in ketone, esters solvent.
9. the technique of printing antenna for mobile phone according to claim 7, is characterized in that: the silane alcohol base ammonium salt of the block interpolymers that described dispersant is acidic-group, described defoamer is Polyether Modified Polysiloxanes Defoaming Agent.
10. the technique of printing antenna for mobile phone according to claim 7, is characterized in that: described thixotropic agent is aerosil, and described coupling agent is silane coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123418.1A CN103879164B (en) | 2014-03-31 | 2014-03-31 | The technique of printing antenna for mobile phone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410123418.1A CN103879164B (en) | 2014-03-31 | 2014-03-31 | The technique of printing antenna for mobile phone |
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| CN103879164A true CN103879164A (en) | 2014-06-25 |
| CN103879164B CN103879164B (en) | 2015-12-02 |
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Cited By (7)
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| CN104332214A (en) * | 2014-10-28 | 2015-02-04 | 深圳市思迈科新材料有限公司 | Low-temperature curing conductive silver paste and preparation method thereof |
| CN104332214B (en) * | 2014-10-28 | 2017-01-04 | 深圳市思迈科新材料有限公司 | A kind of low-temperature cured conductive silver slurry and preparation method thereof |
| CN106552990A (en) * | 2016-09-13 | 2017-04-05 | 武汉理工大学 | A kind of inside micro-bonding method of paster potentiometer |
| CN108711670A (en) * | 2017-10-14 | 2018-10-26 | 丹阳市遥控天线厂 | A kind of technique of printing antenna for mobile phone |
| CN108736149A (en) * | 2017-10-14 | 2018-11-02 | 丹阳市遥控天线厂 | A kind of digital TV antenna manufacture craft |
| CN110527274A (en) * | 2019-08-29 | 2019-12-03 | 苏州晶讯科技股份有限公司 | A kind of preparation method of polymer composite antenna |
| CN112072296A (en) * | 2020-09-07 | 2020-12-11 | 昆山睿翔讯通通信技术有限公司 | Method for manufacturing transparent antenna |
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| CN202275951U (en) * | 2011-09-30 | 2012-06-13 | 深圳光启高等理工研究院 | Printer |
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| CN101174723A (en) * | 2006-10-31 | 2008-05-07 | 朱田中 | Non-pin GPS dielectric antenna |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332214A (en) * | 2014-10-28 | 2015-02-04 | 深圳市思迈科新材料有限公司 | Low-temperature curing conductive silver paste and preparation method thereof |
| CN104332214B (en) * | 2014-10-28 | 2017-01-04 | 深圳市思迈科新材料有限公司 | A kind of low-temperature cured conductive silver slurry and preparation method thereof |
| CN106552990A (en) * | 2016-09-13 | 2017-04-05 | 武汉理工大学 | A kind of inside micro-bonding method of paster potentiometer |
| CN108711670A (en) * | 2017-10-14 | 2018-10-26 | 丹阳市遥控天线厂 | A kind of technique of printing antenna for mobile phone |
| CN108736149A (en) * | 2017-10-14 | 2018-11-02 | 丹阳市遥控天线厂 | A kind of digital TV antenna manufacture craft |
| CN110527274A (en) * | 2019-08-29 | 2019-12-03 | 苏州晶讯科技股份有限公司 | A kind of preparation method of polymer composite antenna |
| CN110527274B (en) * | 2019-08-29 | 2022-03-01 | 苏州晶讯科技股份有限公司 | Preparation method of high-molecular composite material antenna |
| CN112072296A (en) * | 2020-09-07 | 2020-12-11 | 昆山睿翔讯通通信技术有限公司 | Method for manufacturing transparent antenna |
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| CN103879164B (en) | 2015-12-02 |
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