CN103022664A - Method for manufacturing three-dimensional antennae - Google Patents
Method for manufacturing three-dimensional antennae Download PDFInfo
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- CN103022664A CN103022664A CN2012105533304A CN201210553330A CN103022664A CN 103022664 A CN103022664 A CN 103022664A CN 2012105533304 A CN2012105533304 A CN 2012105533304A CN 201210553330 A CN201210553330 A CN 201210553330A CN 103022664 A CN103022664 A CN 103022664A
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Abstract
The invention provides a method for manufacturing three-dimensional antennae. The method comprises printing catalytic ink on an antenna carrier to form an antenna pattern, reacting the catalytic ink with copper sulfate to form a conducting layer, and performing electroplating on the conducting layer to form a three-dimensional antenna on the antenna carrier. According to the method for manufacturing three-dimensional antennae, the process is simple, and the manufacture cost is low; the manufactured antenna impedance is low, and design requirements of prior mobile terminals can be met effectively.
Description
Technical field
The present invention relates to mobile communication equipment and make field, particularly a kind of manufacture method for three-dimensional antenna on the portable terminal.
Background technology
Third generation mobile popularize and the 4th generation mobile phone appearance, portable terminal needs increasing antenna, for example PS antenna, main antenna, Wifi antenna, NFC antenna etc., in order to receive the signal of different frequency, for the mobile payment phone, sometimes need nearly six kinds or above antenna could satisfy the requirement of various signals.And mobile phone is pursued lightening trend, make most of antenna all be integrated on the casing, the interference that causes for fear of aerial signal, antenna will separate enough distances as far as possible, therefore need the part antenna to be distributed in the marginal position of casing, because the scrambling of these positions, this brings huge challenge for the making of antenna, and this antenna that forms in irregular solid space also claims three-dimensional antenna.The method of making at present three-dimensional antenna has following several:
Laser direct structuring technique (Laser Direct Structuring, LDS), use plastic rubber material (being generally PC+ABS with the palladium ion) injection mo(u)lding with particulate metal ion (palladium), with the metal ion activation of 3D laser machine with the antenna area that designs, and then the metals such as the total price copper facing of the method activation of process chemical plating, nickel form antenna circuit, feedback is put gold-plated and nickel just can be anti-oxidation, this method needs the fixed investment of high radium-shine board, and the palladium metal of using high price, its technical process is also comparatively complicated in addition.
Transfer printing (Tap Printing), be transferred to the hand set machine shell surface by Rubber end being filled in the framed interior conductive silver paste in plane, this method technique is simple, can form three-dimensional antenna, but because the resistivity of silver slurry is relatively large, repeat bat printing 3-6 time, just can reach the low resistance requirement of antenna, so the productivity ratio of greatly reducing, and may cause the reduction of rate of finished products.
The flexible circuit antenna mounts, and this method is at first made antenna at fexible film (generally being PI) by the method for etching, sticks on the casing surface after then antenna being cut; A kind of coinjection moulding method also occurred recently, but the material of chemical plating is molded on the casing simultaneously, then by activation, chemical plating forms antenna circuit again.
By above analysis as can be known, the method for making at present three-dimensional antenna all exists the shortcoming of material expensive, manufacturing process complexity, so that the production efficiency of three-dimensional antenna is relatively low, cost is higher.
Summary of the invention
The shortcoming of prior art in view of the above the object of the present invention is to provide a kind of low cost of manufacture, technique simple, can realize the three-dimensional antenna manufacture method of low-frequency signals antenna Low ESR requirement.For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of three-dimensional antenna manufacture method, it comprises the steps:
1) according to the shape need of antenna pattern, catalytic ink is printed on the assigned address of antenna carrier;
2) antenna carrier is placed on toast in the baking box catalytic ink is solidified;
3) antenna carrier that drying is good is placed in the copper-bath, makes the reaction of catalytic ink and copper-bath, thereby forms conductive layer on the catalytic ink surface;
4) adopt galvanoplastic to plate conducting metal at the conductive layer surface of catalytic ink
Preferably, after step 4) is finished, at electrically-conducting metal surface sprayed protection lacquer, should stay contact feedback point in the painting process, gold-plated on contact feedback point.
Preferably, in the step 4), successively electro-coppering, nickel, zinc, gold on the catalytic ink surface.
Preferably, concentration of copper sulfate is 5%-25% in the step 3).
Preferably, concentration of copper sulfate is 15% in the step 3).
Preferably, step 2) in, card case baking temperature is 130-140 °, stoving time is 10-90 minute.
Preferably, step 2) in, card case baking temperature is 140 °, stoving time is 30 minutes.
As mentioned above, three-dimensional antenna manufacture method of the present invention has following beneficial effect: this three-dimensional antenna manufacture method is printed on catalytic ink and forms antenna pattern on the antenna carrier, then make the reaction of catalytic ink and copper sulphate form conductive layer, and then at the enterprising electroplating of conductive layer, so just can form three-dimensional antenna at antenna carrier.This three-dimensional antenna manufacturing approach craft is simple, low cost of manufacture, and the three-dimensional antenna impedance of making is low, but the designing requirement of the existing portable terminal of to satisfy effectively.
Description of drawings
Fig. 1 is the schematic diagram of antenna pattern.
Embodiment
Below by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be used by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change under the spirit of the present invention not deviating from.
Need to prove, the diagram that provides in the present embodiment only illustrates basic conception of the present invention in a schematic way, so only show in graphic with the present invention in relevant assembly but not component count, shape and size drafting when implementing according to reality, kenel, quantity and the ratio of each assembly can be a kind of random change during its actual enforcement, and its assembly layout kenel also may be more complicated.
The invention provides a kind of three-dimensional antenna manufacture method, the method comprises the steps: at first catalytic ink to be stirred in the ring cup of the pad printer of packing into, tip upside down on the template, then load onto pad printer, this catalytic ink raw material components comprises by weight percentage: iron 60 weight portions, phenoxy resin 8 weight portions, butanone 6 weight portions, α terpinol 8 weight portions, butyl carbitol acetate 13 weight portions, reducing agent 5 mass parts.
Then will be placed on as the hand set machine shell of antenna carrier on the platform of pad printer, shape according to the antenna pattern that will design, set suitable bat printing speed, glue head to pad printer and move the technological parameters such as the upper limit and lower limit, glue head shift motion, catalytic ink is printed on the assigned address of hand set machine shell and forms antenna pattern.As shown in Figure 1, the live width of antenna pattern is 1 millimeter, and line length is 600 millimeters.
The hand set machine shell that then will be printed on antenna pattern is placed in the baking box and toasts, and baking temperature is 130-140 °, and stoving time is 10-90 minute.As a kind of optimal way, baking temperature can be arranged on 140 °, and stoving time is arranged on 30 minutes, under this curing environment, can avoid hand set machine shell to be out of shape because of baking, can make catalytic ink flash baking again, under this curing environment, the catalytic ink impedance after the oven dry is minimum simultaneously.
After the catalytic ink oven dry, the antenna carrier that drying is good is placed in the copper-bath that concentration is 5%-25%, makes the reaction of catalytic ink and copper-bath, because catalytic ink itself does not have conductivity, electricalresistivityρ＞2 * 10
8Ω cm, after catalytic ink after the curing immerses copper-bath, the electrode potential of the copper ion in the copper-bath is greater than the electrode potential of metal in the catalytic ink, therefore the metal in the catalytic ink can reduce the metal ion in the displacement reaction solution, and be attached to the catalytic ink surface, thereby form conductive layer on the catalytic ink surface.As a kind of optimal way, it is 15% copper-bath that copper-bath can be selected concentration.
Then adopt galvanoplastic conducting metal on the conductive layer surface of catalytic ink; in order to reduce the impedance of antenna; metal materials such as electro-coppering on the conductive layer surface of catalytic ink, nickel, zinc, gold successively; after plating is finished; for antenna being played better protective effect, can on metal coating surface, coat with lacquer by sprayed protection, in painting process, should stay contact feedback point; and gold-plated on contact feedback point, the three-dimensional antenna on this hand set machine shell can be made and finish like this.
After testing, adopting the three-dimensional antenna resistance value of the method manufacturing is 0.55 ohm, much smaller than 25-40 ohm of being made three-dimensional antenna by the silver slurry (5 microns of silver slurry Baidu), this shows the resistance value that adopts this three-dimensional antenna manufacture method can effectively reduce three-dimensional antenna.
This three-dimensional antenna manufacture method is printed on catalytic ink and forms antenna pattern on the antenna carrier, then makes the reaction of catalytic ink and copper sulphate form conductive layer, and then at the enterprising electroplating of conductive layer, so just can form three-dimensional antenna at antenna carrier.This three-dimensional antenna manufacturing approach craft is simple, low cost of manufacture, and the three-dimensional antenna impedance of making is low, but the designing requirement of the existing portable terminal of to satisfy effectively.In sum, the present invention has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not is used for restriction the present invention.Any person skilled in the art scholar all can be under spirit of the present invention and category, and above-described embodiment is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of finishing under disclosed spirit and the technological thought, must be contained by claim of the present invention.
Claims (7)
1. a three-dimensional antenna manufacture method is characterized in that, it comprises the steps:
1) according to the shape need of antenna pattern, catalytic ink is printed on the assigned address of antenna carrier;
2) antenna carrier is placed on toast in the baking box catalytic ink is solidified;
3) antenna carrier that drying is good is placed in the copper-bath, makes the reaction of catalytic ink and copper-bath, thereby forms conductive layer on the catalytic ink surface;
4) adopt galvanoplastic to plate conducting metal at the conductive layer surface of catalytic ink.
2. three-dimensional antenna manufacture method according to claim 1 is characterized in that: after step 4) is finished, at electrically-conducting metal surface sprayed protection lacquer, should stay contact feedback point in the painting process, present on the point gold-plated in contact.
3. three-dimensional antenna manufacture method according to claim 1 is characterized in that: in the step 4), and successively electro-coppering, nickel, zinc, gold on the catalytic ink surface.
4. three-dimensional antenna manufacture method according to claim 1, it is characterized in that: concentration of copper sulfate is 5%-25% in the step 3).
5. three-dimensional antenna manufacture method according to claim 4, it is characterized in that: concentration of copper sulfate is 15% in the step 3).
6. three-dimensional antenna manufacture method according to claim 1 is characterized in that: step 2) in, card case baking temperature is 130-150 °, stoving time is 10-90 minute.
7. three-dimensional antenna manufacture method according to claim 6 is characterized in that: step 2) in, card case baking temperature is 140 °, stoving time is 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210553330.4A CN103022664B (en) | 2012-12-19 | 2012-12-19 | Three-dimensional antenna manufacture method |
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| CN201210553330.4A CN103022664B (en) | 2012-12-19 | 2012-12-19 | Three-dimensional antenna manufacture method |
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| CN103022664A true CN103022664A (en) | 2013-04-03 |
| CN103022664B CN103022664B (en) | 2015-12-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607835A (en) * | 2018-04-26 | 2018-10-02 | 常州信息职业技术学院 | A kind of photovoltaic system and its working method with self-cleaning function |
| CN108632649A (en) * | 2018-04-26 | 2018-10-09 | 常州信息职业技术学院 | A kind of network machine top box and its working method |
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| US6010771A (en) * | 1995-10-07 | 2000-01-04 | Bemis Company Inc. | Electrical circuit component formed of a conductive liquid printed directly onto a substrate |
| KR20090051633A (en) * | 2007-11-19 | 2009-05-22 | 이비엔코리아 주식회사 | Internal antenna, method of manufacturing same, and mobile communication terminal having same |
| CN101494316A (en) * | 2008-01-21 | 2009-07-29 | 何珊珊 | Wireless radio frequency antenna and production method thereof |
| CN102025020A (en) * | 2009-09-18 | 2011-04-20 | 上海莫仕连接器有限公司 | Modular antenna apparatus |
| CN102071423A (en) * | 2009-12-30 | 2011-05-25 | 比亚迪股份有限公司 | Plastic product and preparation method thereof |
| CN201985236U (en) * | 2010-12-15 | 2011-09-21 | 上海安费诺永亿通讯电子有限公司 | Flexible circuit board antenna |
| CN102573313A (en) * | 2012-02-13 | 2012-07-11 | 苏州晶讯科技股份有限公司 | Method for utilizing base metal catalytic ink to manufacture printed circuit |
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2012
- 2012-12-19 CN CN201210553330.4A patent/CN103022664B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6010771A (en) * | 1995-10-07 | 2000-01-04 | Bemis Company Inc. | Electrical circuit component formed of a conductive liquid printed directly onto a substrate |
| KR20090051633A (en) * | 2007-11-19 | 2009-05-22 | 이비엔코리아 주식회사 | Internal antenna, method of manufacturing same, and mobile communication terminal having same |
| CN101494316A (en) * | 2008-01-21 | 2009-07-29 | 何珊珊 | Wireless radio frequency antenna and production method thereof |
| CN102025020A (en) * | 2009-09-18 | 2011-04-20 | 上海莫仕连接器有限公司 | Modular antenna apparatus |
| CN102071423A (en) * | 2009-12-30 | 2011-05-25 | 比亚迪股份有限公司 | Plastic product and preparation method thereof |
| CN201985236U (en) * | 2010-12-15 | 2011-09-21 | 上海安费诺永亿通讯电子有限公司 | Flexible circuit board antenna |
| CN102573313A (en) * | 2012-02-13 | 2012-07-11 | 苏州晶讯科技股份有限公司 | Method for utilizing base metal catalytic ink to manufacture printed circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607835A (en) * | 2018-04-26 | 2018-10-02 | 常州信息职业技术学院 | A kind of photovoltaic system and its working method with self-cleaning function |
| CN108632649A (en) * | 2018-04-26 | 2018-10-09 | 常州信息职业技术学院 | A kind of network machine top box and its working method |
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| CN103022664B (en) | 2015-12-02 |
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Address after: 578-1 Yanxin Road, Wuxi Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Wuxi lanpei New Material Technology Co., Ltd Address before: Songjiang District Minyi road 201262 Shanghai City No. 201 building 12 Room 401 Patentee before: SHANGHAI LANPEI NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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