CN103357559A - Spraying process for laser-direct-structuring (LDS) antenna on outside surface of mobile phone plastic shell - Google Patents
Spraying process for laser-direct-structuring (LDS) antenna on outside surface of mobile phone plastic shell Download PDFInfo
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- CN103357559A CN103357559A CN2013103078342A CN201310307834A CN103357559A CN 103357559 A CN103357559 A CN 103357559A CN 2013103078342 A CN2013103078342 A CN 2013103078342A CN 201310307834 A CN201310307834 A CN 201310307834A CN 103357559 A CN103357559 A CN 103357559A
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Abstract
The invention discloses a spraying process for a laser-direct-structuring (LDS) antenna on an outside surface of a mobile phone plastic shell. The spraying process comprises the following steps of providing the mobile phone plastic shell of injection molding; irradiating the specified position of the outside surface of the mobile phone plastic shell by using a focused laser beam to activate the specified graph part of the outside surface of the mobile phone plastic shell, and roughing the surface of the graph part; electroplating the graph part activated by laser with a metal film; spraying undercoat to be used for covering the electroplated metal film on the outside surface of the mobile phone plastic shell; and spraying finishing coat to be used for forming a formed part of the mobile phone plastic shell. The primary spraying thickness of the undercoat is 40-60mum, the spraying thickness of the finishing coat is 10-20mum, the undercoat is acrylic coating, and the finishing coat is ultraviolet (UV) coating. According to the spraying process for the LDS antenna on the outside surface of the mobile phone plastic shell disclosed by the invention, the height difference between the LDS antenna and the mobile phone plastic shell is effectively handled during the manufacturing process of a normal mobile phone plastic shell, and therefore, not only is the using function of the LDS antenna satisfied but also the appearance surface of the mobile phone plastic shell is not influenced. Meanwhile, a manufacturing process is simple and is good in effect.
Description
Technical field
The present invention relates to the LDS antenna and make field shaping technique, especially mobile phone is moulded shell outer surface LDS antenna spraying coating process.
Background technology
The laser formation technology has been invented by LPKF D. O. O., LDS (Laser-Direct-structuring) laser direct structuring technique, the basic principle of this technique is before moulding metallizes selectable laser activation to be carried out on its surface, namely parts surface is processed the process of metal deposition when being beneficial to electroplate.The plastics that are used for laser activation are a kind of modified plastics, and Ear Mucosa Treated by He Ne Laser Irradiation makes the organic metal compound discharge metallic on the one hand, is beneficial to metal deposition; Cause on the other hand the high-polymer molecular chain break and make surface coarsening.Like this, just can metallize in the surface of the modified plastics behind the laser activation.Doped the organic metal compound in the plastics of suitable LDS technology processing, and laser beam can make this compound generation physical-chemical reaction, namely open the compound keys in the compound that mixes up in plastics, make metallic break away from the constraint of the compound keys in the compound, being released becomes the in the future growth nuclear of reducing metal.Except inspiring the active metal particles, laser is thrown according to making in addition the shaggy effect in processed position working of plastics, and this is because laser organic body of the photetching high polymer that falls to touch only, and can not destroy the additive in the plastics.In the metallization processes that carries out subsequently, such surface texture is conducive to make the metal that restores to embed in the plastics, forms and adheres to reliably, and the LDS technology is most importantly 3D-MID application at present, the three-dimensional circuit carrier is so-called mold interconnecting device (MID), such as the smart mobile phone antenna.LDS utilization laser is at complex three-dimensional parts surface irradiation contoured beam antenna circuit, and employing LDS technology, and Antenna Design is easier change also.Adopt the LDS technology, the part of a large amount of die sinkings can be carried out in advance, and concrete modification can be added among the whole laser system at any time.The performance of LDS excellence and operability have been simplified labour intensity greatly.
The application number that the applicant applied in earlier stage is: 201210336976.7 Chinese disclosure of the Invention a kind of shell laser formation decorative processing method and making apparatus, it utilizes LDS days Wiring technologies to be used for the decorated molded of plastic shell, improved existing shell decoration technique, but it utilizes the technique of LDS to carry out decoration function, does not really realize the function of antenna.
Granted publication number is: the utility model patent of CN202084635U discloses a kind of multilayer gps antenna of laser formation, although it can make antenna body be arranged on the handset shell, but its antenna body is arranged on the handset shell, easily easily in use with the antenna body wearing and tearing, affect the use of antenna.
Application publication number is: a kind of laser formation antenna of CN102610899A, and it is by adhering to one deck overlay film diaphragm in the radium-shine antenna surface that goes out, and the difference in height that antenna and plastic casing produce is by the overlay film membrane covered, but its high cost, operation is too complicated.
Application publication number is: the portable terminal casing of CN102931471A and antenna integrated preparation method; its same employing at the antenna area that forms circuit structure is enclosed diaphragm; thereby the circuit structure of protection antenna area, but its high cost, operation are too complicated.
Summary of the invention
Mobile phone provided by the invention is moulded shell outer surface LDS antenna spraying coating process, in satisfying the manufacturing process of normal phone housing, effectively handle the difference in height of LDS antenna and phone housing well, thereby both satisfied the use function of LDS antenna, do not have influence on again the appearance surfaces that mobile phone is moulded shell, manufacture craft is simple, respond well simultaneously.
In order to solve the problems of the technologies described above, the embodiment of the invention provides mobile phone to mould shell outer surface LDS antenna spraying coating process, comprises the step that following order is carried out:
S1, provide one to mould shell through the mobile phone of injection mo(u)lding;
S2, mould the shell outer surface position with the mobile phone of laser focusing bundle irradiation appointment, make mobile phone mould the activation of shell outer surface assignment graph position, surface, coarse figure position;
S3, will be electroplated metal film by the figure position of laser activation, be implemented in the function that mobile phone is moulded antenna on the shell outer surface;
S4, mould the shell outer surface at described mobile phone and spray priming paint, be used for hiding mobile phone and mould the metal film that the shell outer surface is electroplated;
S5, mould spray paint on the shell outer surface at described mobile phone, be used for shaping mobile phone and mould casing forming spare;
The first coating thickness of described priming paint is 40-60 μ m, and described finish paint coating thickness is 10-20 μ m;
Described priming paint is acrylic coating, and described finish paint is UV coating.
Further, seem highly consistent for making the mobile phone that has sprayed priming paint mould the shell outer surface, also comprise between described step S4, the S5:
S6, polishing step are moulded the shell outer surface to described mobile phone and are polished behind described first spraying priming paint, circulation step S4, S6 step, and to mould the shell plastics consistent with the metal film packed height until mobile phone is moulded shell outer surface mobile phone after spraying priming paint polishing.
S6 further remarks additionally to step, and it is 8-10 μ m through the priming paint thickness that sprays for the second time after polishing for the first time that described mobile phone is moulded shell, and the priming paint thickness that sprays for the third time after polishing through secondary is 4-6 μ m.
Through after the polishing repeatedly, described to mould the priming paint thickness of shell plastics when consistent with the metal film packed height through mobile phone after the polishing be 45 μ m.
Mobile phone according to claim 4 is moulded shell outer surface LDS antenna spraying coating process, it is characterized in that, the polishing step is explained in detail, and adopts 400 purpose sand paper to carry out repeatedly sanding operation in the described polishing step, observes the outer surface that mobile phone is moulded shell.
Mobile phone according to claim 1 is moulded shell outer surface LDS antenna spraying coating process, it is characterized in that, further optimizes, and the first coating thickness of described priming paint is 50 μ m, and described finish paint coating thickness is 10 μ m.
Further optimize, the priming paint thickness after the described polishing is 45 μ m.
Further optimize, it is the thermoplastic injection mo(u)lding that described mobile phone is moulded shell.
Further optimize, thermoplastic is the modified thermoplastic material, and described modified thermoplastic material is to add non-conductive organic metal compound in the ordinary hot plastic material.
Further optimize, the ordinary hot plastic material is Merlon or ABS resin in the described modified thermoplastic material.
Further optimize, the optical maser wavelength of described laser beam is: 193 ~ 1064nm.
The mobile phone that the embodiment of the invention provides is moulded shell outer surface LDS antenna spraying coating process, compared with prior art, has following usefulness:
1, adopt common manufacture craft, settle the protection of finishing the LDS antenna at one go in the spraying of finishing phone housing, it is simple to have technique, respond well;
2, adopt this kind process, effectively handle the difference in height of LDS antenna and phone housing well, thereby both satisfied the use function of LDS antenna, do not have influence on again the appearance surfaces that mobile phone is moulded shell;
3, adopt this kind process, spray used coating and be all the coating that market can be bought, with low cost, artificial intensity is low;
4, adopt this kind process, the machinery equipment that need not to add other, cost is rationally controlled, and has improved the market competitiveness of enterprise.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that mobile phone provided by the invention is moulded shell outer surface LDS antenna spraying coating process embodiment one flow process block diagram;
Fig. 2 is that mobile phone provided by the invention is moulded shell outer surface LDS antenna spraying coating process embodiment two flow process block diagrams.
The specific embodiment
The mobile phone that the embodiment of the invention provides is moulded shell outer surface LDS antenna spraying coating process, in satisfying the manufacturing process of normal phone housing, effectively handle the difference in height of LDS antenna and phone housing well, thereby both satisfied the use function of LDS antenna, do not have influence on again the appearance surfaces that mobile phone is moulded shell, manufacture craft is simple, respond well simultaneously.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belongs to the scope of protection of the invention.
Embodiment one
Referring to Fig. 1, mould shell outer surface LDS antenna spraying coating process FB(flow block) for mobile phone provided by the invention, comprise the steps:
S1, provide one to mould shell through the mobile phone of injection mo(u)lding;
S2, mould the shell outer surface position with the mobile phone of laser focusing bundle irradiation appointment, make mobile phone mould the activation of shell outer surface assignment graph position, surface, coarse figure position;
S3, will be electroplated metal film by the figure position of laser activation, be implemented in the function that mobile phone is moulded antenna on the shell outer surface;
S4, mould the shell outer surface at described mobile phone and spray priming paint, be used for hiding mobile phone and mould the metal film that the shell outer surface is electroplated;
S5, mould spray paint on the shell outer surface at described mobile phone, be used for shaping mobile phone and mould casing forming spare;
The first coating thickness of described priming paint is 40-60 μ m, and described finish paint coating thickness is 10-20 μ m;
Described priming paint is acrylic coating, and described finish paint is UV coating.
Further optimize, mobile phone is moulded shell and is placed on when carrying out the priming paint spraying on the spraying coating line, and set coating thickness and be: the first coating thickness of described priming paint is 50 μ m, and described finish paint coating thickness is 10 μ m.
In the LDS antenna manufacturing process, the mobile phone that needs to plate metal film is moulded the shell laser activation, therefore, the material that its mobile phone is moulded shell is the particularity material, further optimize, it is the thermoplastic injection mo(u)lding that described mobile phone is moulded shell, can adopt one or more the film that contains Cu, Ni, Au, Sn, Sn/Pb, Ag, Ag/Pd in the described metal film, but be not limited to this.
Further optimize, thermoplastic is the modified thermoplastic material, and described modified thermoplastic material is to add non-conductive organic metal compound in the ordinary hot plastic material.
Further optimize, the ordinary hot plastic material is Merlon or ABS resin in the described modified thermoplastic material.
Further optimize, the optical maser wavelength of described laser beam is: 193 ~ 1064nm.
Control coating thickness in the spraying process among the embodiment one well, can reach the mobile phone that can not visually observe and mould the smooth degree of shell outer surface, need not to add any process equipment and operation, can satisfy LDS antenna plating is attached to mobile phone and moulds the function of using on the outer surface of shell, satisfy simultaneously the normal appearance face aesthetic of phone housing, the mobile phone of making the LDS antenna in embodiment one is moulded shell and is carried out the spraying of priming paint and finish paint through pre-set spraying profile, the pollution that the priming paint that prevents from spraying causes in the process of taking up and down, therefore more be conducive to the assurance of product quality, be optimized scheme.
Embodiment two
S1, provide one to mould shell through the mobile phone of injection mo(u)lding;
S2, mould the shell outer surface position with the mobile phone of laser focusing bundle irradiation appointment, make mobile phone mould the activation of shell outer surface assignment graph position, surface, coarse figure position;
S3, will be electroplated metal film by the figure position of laser activation, be implemented in the function that mobile phone is moulded antenna on the shell outer surface;
S4, mould the shell outer surface at described mobile phone and spray priming paint, be used for hiding mobile phone and mould the metal film that the shell outer surface is electroplated;
S6, polishing step are moulded the shell outer surface to described mobile phone and are polished behind described first spraying priming paint, circulation step S4, S6 step, and to mould the shell plastics consistent with the metal film packed height until mobile phone is moulded shell outer surface mobile phone after spraying priming paint polishing.
S5, mould spray paint on the shell outer surface at described mobile phone, be used for shaping mobile phone and mould casing forming spare;
The first coating thickness of described priming paint is 40-60 μ m, and described finish paint coating thickness is 10-20 μ m;
Described priming paint is acrylic coating, and described finish paint is UV coating.
S6 further remarks additionally to step, and it is 8-10 μ m through the priming paint thickness that sprays for the second time after polishing for the first time that described mobile phone is moulded shell, and the priming paint thickness that sprays for the third time after polishing through secondary is 4-6 μ m.
Through after the polishing repeatedly, described to mould the priming paint thickness of shell plastics when consistent with the metal film packed height through mobile phone after the polishing be 45 μ m.
Therefore, through after the spraying polishing repeatedly, the priming paint thickness after the described polishing is 45 μ m.
Further, adopt 400 purpose sand paper to carry out repeatedly sanding operation in the polishing step, this is with low cost, and is simple to operate.
In the LDS antenna manufacturing process, the mobile phone that needs to plate metal film is moulded the shell laser activation, therefore, the material that its mobile phone is moulded shell is the particularity material, further optimize, it is the thermoplastic injection mo(u)lding that described mobile phone is moulded shell, can adopt one or more the film that contains Cu, Ni, Au, Sn, Sn/Pb, Ag, Ag/Pd in the described metal film, but be not limited to this.
Further optimize, thermoplastic is the modified thermoplastic material, and described modified thermoplastic material is to add non-conductive organic metal compound in the ordinary hot plastic material.
Further optimize, the ordinary hot plastic material is Merlon or ABS resin in the described modified thermoplastic material.
Further optimize, the optical maser wavelength of described laser beam is: 193 ~ 1064nm.
Comprehensive the above, the embodiment of the invention compared with prior art has following beneficial effect at least:
1, adopt common manufacture craft, settle the protection of finishing the LDS antenna at one go in the spraying of finishing phone housing, it is simple to have technique, respond well;
2, adopt this kind process, effectively handle the difference in height of LDS antenna and phone housing well, thereby both satisfied the use function of LDS antenna, do not have influence on again the appearance surfaces that mobile phone is moulded shell;
3, adopt this kind process, spray used coating and be all the coating that market can be bought, with low cost, artificial intensity is low;
4, adopt this kind process, the machinery equipment that need not to add other, cost is rationally controlled, and has improved the market competitiveness of enterprise.
Above content is the further description of the present invention being done in conjunction with concrete preferred embodiment, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. mobile phone is moulded shell outer surface LDS antenna spraying coating process, comprises the steps;
S1, provide one to mould shell through the mobile phone of injection mo(u)lding;
S2, mould the shell outer surface position with the mobile phone of laser focusing bundle irradiation appointment, make mobile phone mould the activation of shell outer surface assignment graph position, surface, coarse figure position;
S3, will be electroplated metal film by the figure position of laser activation, be implemented in the function that mobile phone is moulded antenna on the shell outer surface;
It is characterized in that, further comprising the steps of behind the described step S3:
S4, mould the shell outer surface at described mobile phone and spray priming paint, be used for hiding mobile phone and mould the metal film that the shell outer surface is electroplated;
S5, mould spray paint on the shell outer surface at described mobile phone, be used for shaping mobile phone and mould casing forming spare;
The first coating thickness of described priming paint is 40-60 μ m, and described finish paint coating thickness is 10-20 μ m;
Described priming paint is acrylic coating, and described finish paint is UV coating.
2. mobile phone according to claim 1 is moulded shell outer surface LDS antenna spraying coating process, it is characterized in that, also comprises between described step S4, the S5:
S6, polishing step are moulded the shell outer surface to described mobile phone and are polished behind described first spraying priming paint, circulation step S4, S6 step, and to mould the shell plastics consistent with the metal film packed height until mobile phone is moulded shell outer surface mobile phone after spraying priming paint polishing.
3. mobile phone according to claim 2 is moulded shell outer surface LDS antenna spraying coating process, it is characterized in that, it is 8-10 μ m through the priming paint thickness that sprays for the second time after polishing for the first time that described mobile phone is moulded shell, and the priming paint thickness that sprays for the third time after polishing through secondary is 4-6 μ m.
4. mobile phone according to claim 3 is moulded shell outer surface LDS antenna spraying coating process, it is characterized in that, described to mould the priming paint thickness of shell plastics when consistent with the metal film packed height through mobile phone after the polishing be 45 μ m.
5. mobile phone according to claim 4 is moulded shell outer surface LDS antenna spraying coating process, it is characterized in that, adopts 400 purpose sand paper to carry out repeatedly sanding operation in the described polishing step.
6. mobile phone according to claim 1 is moulded shell outer surface LDS antenna spraying coating process, it is characterized in that, the first coating thickness of described priming paint is 50 μ m, and described finish paint coating thickness is 10 μ m.
According to claim 5 or 6 described mobile phones mould shell outer surface LDS antenna spraying coating process, it is characterized in that it is the thermoplastic injection mo(u)lding that described mobile phone is moulded shell.
8. mobile phone according to claim 7 is moulded shell outer surface LDS antenna spraying coating process, it is characterized in that thermoplastic is the modified thermoplastic material, and described modified thermoplastic material is to add non-conductive organic metal compound in the ordinary hot plastic material.
9. mobile phone according to claim 8 is moulded shell outer surface LDS antenna spraying coating process, it is characterized in that the ordinary hot plastic material is Merlon or ABS resin in the described modified thermoplastic material.
10. each described mobile phone is moulded shell outer surface LDS antenna spraying coating process according to claim 1, it is characterized in that the optical maser wavelength of described laser beam is: 193 ~ 1064nm.
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| CN201310307834.2A CN103357559B (en) | 2013-07-22 | 2013-07-22 | Mobile phone plastic housing outer surface LDS antenna spraying coating process |
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| CN201310307834.2A CN103357559B (en) | 2013-07-22 | 2013-07-22 | Mobile phone plastic housing outer surface LDS antenna spraying coating process |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602185A (en) * | 2013-11-04 | 2014-02-26 | 惠州市力新化工有限公司 | Coating for surface coating of LDS (Laser Direct Structuring) antenna and coating technology thereof |
| CN105499104A (en) * | 2015-12-03 | 2016-04-20 | 广东欧珀移动通信有限公司 | Surface treatment method for electronic equipment parts and electronic equipment parts |
| CN106210201A (en) * | 2016-08-26 | 2016-12-07 | 广东欧珀移动通信有限公司 | Phone housing processing technique, phone housing and mobile phone |
| CN106269437A (en) * | 2016-09-14 | 2017-01-04 | 捷开通讯(深圳)有限公司 | A kind of method for LDS laser engraving antenna external appearance spray finishing |
| CN106608980A (en) * | 2015-10-21 | 2017-05-03 | 佳邦科技股份有限公司 | Protective structure and manufacturing method thereof |
| CN106935965A (en) * | 2017-03-24 | 2017-07-07 | 苏州胜利精密制造科技股份有限公司 | A kind of housing and preparation technology with antenna decorating function |
| CN107039744A (en) * | 2016-12-29 | 2017-08-11 | 广东小天才科技有限公司 | A kind of intelligent terminal housing and its manufacture method |
| CN107309138A (en) * | 2017-06-30 | 2017-11-03 | 广东龙昕科技有限公司 | A kind of two-sided coating process of mobile phone shell |
| TWI671946B (en) * | 2017-12-11 | 2019-09-11 | 安諾電子股份有限公司 | Antenna module manufacturing method |
| CN112202470A (en) * | 2020-10-09 | 2021-01-08 | 珠海格力电器股份有限公司 | Antenna equipment of mobile terminal, control method and device thereof and mobile terminal |
| CN113889752A (en) * | 2021-08-23 | 2022-01-04 | 深圳市思讯通信技术有限公司 | Manufacturing method and system of integrated antenna-containing shell |
| CN114602765A (en) * | 2022-02-17 | 2022-06-10 | 凯晖科技股份有限公司 | Novel coating process for surface of key |
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| CN103022638A (en) * | 2012-12-13 | 2013-04-03 | 深圳市维力谷无线技术有限公司 | Method for producing mobile terminal built-in antennas with laser direct molding technology |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103022638A (en) * | 2012-12-13 | 2013-04-03 | 深圳市维力谷无线技术有限公司 | Method for producing mobile terminal built-in antennas with laser direct molding technology |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602185A (en) * | 2013-11-04 | 2014-02-26 | 惠州市力新化工有限公司 | Coating for surface coating of LDS (Laser Direct Structuring) antenna and coating technology thereof |
| CN106608980A (en) * | 2015-10-21 | 2017-05-03 | 佳邦科技股份有限公司 | Protective structure and manufacturing method thereof |
| CN105499104A (en) * | 2015-12-03 | 2016-04-20 | 广东欧珀移动通信有限公司 | Surface treatment method for electronic equipment parts and electronic equipment parts |
| CN106210201A (en) * | 2016-08-26 | 2016-12-07 | 广东欧珀移动通信有限公司 | Phone housing processing technique, phone housing and mobile phone |
| CN106210201B (en) * | 2016-08-26 | 2018-03-27 | 广东欧珀移动通信有限公司 | Phone housing processing technology, phone housing and mobile phone |
| CN106269437A (en) * | 2016-09-14 | 2017-01-04 | 捷开通讯(深圳)有限公司 | A kind of method for LDS laser engraving antenna external appearance spray finishing |
| CN107039744A (en) * | 2016-12-29 | 2017-08-11 | 广东小天才科技有限公司 | A kind of intelligent terminal housing and its manufacture method |
| CN106935965A (en) * | 2017-03-24 | 2017-07-07 | 苏州胜利精密制造科技股份有限公司 | A kind of housing and preparation technology with antenna decorating function |
| CN106935965B (en) * | 2017-03-24 | 2024-03-19 | 苏州胜利精密制造科技股份有限公司 | Shell with antenna decoration function and preparation process |
| CN107309138A (en) * | 2017-06-30 | 2017-11-03 | 广东龙昕科技有限公司 | A kind of two-sided coating process of mobile phone shell |
| TWI671946B (en) * | 2017-12-11 | 2019-09-11 | 安諾電子股份有限公司 | Antenna module manufacturing method |
| CN112202470A (en) * | 2020-10-09 | 2021-01-08 | 珠海格力电器股份有限公司 | Antenna equipment of mobile terminal, control method and device thereof and mobile terminal |
| CN113889752A (en) * | 2021-08-23 | 2022-01-04 | 深圳市思讯通信技术有限公司 | Manufacturing method and system of integrated antenna-containing shell |
| CN114602765A (en) * | 2022-02-17 | 2022-06-10 | 凯晖科技股份有限公司 | Novel coating process for surface of key |
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| CN103357559B (en) | 2017-10-20 |
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Address after: 516025 Huizhou City, Guangdong Province, the three digital Industrial Park Applicant after: Guangdong Green precision parts Limited by Share Ltd Address before: Three Huicheng Guangdong District, Huizhou City, the number of Digital Industrial Park Applicant before: Green Precision Components (Huizhou) Co. Ltd. |
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