CN103357559B - Mobile phone plastic housing outer surface LDS antenna spraying coating process - Google Patents
Mobile phone plastic housing outer surface LDS antenna spraying coating process Download PDFInfo
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- CN103357559B CN103357559B CN201310307834.2A CN201310307834A CN103357559B CN 103357559 B CN103357559 B CN 103357559B CN 201310307834 A CN201310307834 A CN 201310307834A CN 103357559 B CN103357559 B CN 103357559B
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Abstract
The invention discloses mobile phone plastic housing outer surface LDS antenna spraying coating process, including provide the mobile phone plastic housing of an injection molding；With the mobile phone plastic housing outer surface position that laser beam irradiation is specified is focused on, activate mobile phone plastic housing outer surface assignment graph position, coarse figure portion faces；Upper metal film will be electroplated by the figure position of laser activation；Spray-applied primer, for covering the metal film in the plating of mobile phone plastic housing outer surface；Spray paint, for shaping mobile phone plastic housing molding part；The first coating thickness of priming paint is 40 60 μm, and the finish paint coating thickness is 10 20 μm；The priming paint is acrylic coating, the finish paint is UV coating, the present invention is in the manufacturing process for meeting normal handset shell, the effective difference in height for handling LDS antennas and phone housing well, so as to both meet the use function of LDS antennas, the appearance surfaces of mobile phone plastic housing are not interfered with again, while manufacture craft is simple, are worked well.
Description
Technical field
Technical field, especially mobile phone plastic housing outer surface LDS antenna spraying coating process are manufactured the present invention relates to LDS antennas.
Background technology
Laser forming technology, LDS (Laser-Direct-structuring) laser direct forming have been invented by LPKF D. O. O.
Technology, the general principle of this technique is to carry out selectable laser activation to its surface before moulding is metallized,
The process of during in favor of plating metal deposit is handled parts surface.Plastics for laser activation are a kind of modified modelings
On the one hand material, laser irradiation makes organometallic compounds discharge metallic, beneficial to metal deposit；On the other hand cause high poly-
Thing molecule chain break and make surface coarsening.So, the surface of the modified plastics after laser activation can be carried out metallization.
Organometallic compounds have been mixed into the plastics for being adapted to the processing of LDS technologies, and laser beam can make this compound occur physics
Chemical reaction, that is, open the compound keys in the compound mixed up in the plastic, metallic is departed from the compound keys in compound
Constraint, be released the growth core as reducing metal in future.In addition to it can inspire active metal particles, laser is to modeling
Materials and parts are thrown according to also making to be processed the coarse effect of portion faces, because laser only photetching falls touched high polymer
Organic bulk, without destroying the additive in plastics.In the metallization processes then carried out, such surface texture is favourable
In the metal insertion plastics for making to restore, reliable attachment is formed, LDS technologies are most importantly 3D-MID applications at present,
Three-dimensional circuit carrier is so-called mold interconnecting device（MID）, such as intelligent mobile phone antenna.LDS technologies are using laser in complex three-dimensional
Contoured beam antenna circuit is irradiated on parts surface, and uses LDS technologies, Antenna Design is also easier to change.Using LDS technologies,
The part largely molded can be carried out in advance, and specific modification can be added among whole laser system at any time.Property excellent LDS
Energy and operability, enormously simplify labor intensity.
The Application No. of applicant's early stage application：201210336976.7 Chinese invention disclose a kind of shell laser
Decorative processing method and making apparatus are molded, it utilizes LDS days Wiring technologies to be used for the decorated molded of plastic shell, improves existing
Shell decoration technique, but it carries out decoration function using LDS technique, and the function of antenna is not realized really.
Authorization Notice No. is：CN202084635U utility model patent discloses a kind of multilayer GPS days of laser formation
Line, although it can be such that antenna body is arranged on handset shell, its antenna body is arranged on handset shell, is easily easily existed
Antenna body is worn and torn in use, the use of antenna is influenceed.
Application publication number is：A kind of CN102610899A laser formation antenna, its by it is radium-shine go out antenna surface
Adhere to one layer of overlay film diaphragm, the difference in height that antenna is produced with plastic casing is by overlay film membrane covered, but its cost is too high, process mistake
In complexity.
Application publication number is：CN102931471A mobile terminal casing and antenna integrated preparation method, it is equally adopted
Diaphragm is enclosed used in the antenna area for forming circuit structure, so that the circuit structure of antenna area is protected, but its cost mistake
Height, process is excessively complicated.
The content of the invention
The mobile phone plastic housing outer surface LDS antenna spraying coating process that the present invention is provided, is meeting the making of normal handset shell
Cheng Zhong, effectively handles the difference in height of LDS antennas and phone housing well, so that the use function of LDS antennas had both been met, and not shadow
The appearance surfaces to mobile phone plastic housing are rung, while manufacture craft is simple, are worked well.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide mobile phone plastic housing outer surface LDS antenna spraying coating process,
The step of being performed including following order：
S1, the one mobile phone plastic housing Jing Guo injection molding of offer；
S2, the mobile phone plastic housing outer surface position specified with focusing laser beam irradiation, make mobile phone plastic housing outer surface assignment graph
Position is activated, coarse figure portion faces；
S3, upper metal film will be electroplated by the figure position of laser activation, and realize the work(of the antenna on mobile phone plastic housing outer surface
Energy；
S4, the spray-applied primer on the mobile phone plastic housing outer surface, for covering the metal in the plating of mobile phone plastic housing outer surface
Film；
S5, the spray paint on the mobile phone plastic housing outer surface, for shaping mobile phone plastic housing molding part；
The first coating thickness of priming paint is 40-60 μm, and the finish paint coating thickness is 10-20 μm；
The priming paint is acrylic coating, and the finish paint is UV coating.
Further, seem highly consistent for the mobile phone plastic housing outer surface that makes the good priming paint of spraying, step S4, S5 it
Between also include：
S6, polishing step, polish the mobile phone plastic housing outer surface after the first spray-applied primer, circulation step
S4, S6 step, until mobile phone plastic housing outer surface mobile phone plastic housing plastics after spray-applied primer polishing are consistent with metal film packed height.
Step S6 is further remarked additionally, the bottom of the mobile phone plastic housing second of spraying after first polishing
It is 8-10 μm to paint thickness, and the base coat thickness sprayed for the third time after secondary polishing is 4-6 μm.
After being polished for a plurality of times, bottom when mobile phone plastic housing plastics are consistent with metal film packed height after polishing
It is 45 μm to paint thickness.
LDS antenna spraying coating process in mobile phone plastic housing outer surface according to claim 4, it is characterised in that walked to polishing
Suddenly it is explained in detail, using the sand paper of 400 mesh carries out that operation is polished for a plurality of times in the polishing step, observe the outer of mobile phone plastic housing
Surface.
LDS antenna spraying coating process in mobile phone plastic housing outer surface according to claim 1, it is characterised in that further excellent
Change, the first coating thickness of priming paint is 50 μm, the finish paint coating thickness is 10 μm.
Further optimize, the base coat thickness after the polishing is 45 μm.
Further optimize, the mobile phone plastic housing is thermoplastic injection molding.
Further optimize, thermoplastic is modified thermoplastic material, the modified thermoplastic material is common thermoplastic
Property material in addition non-electrically conductive organic metal composite.
Further optimize, common thermoplastic's material is makrolon or ABS resin in the modified thermoplastic material.
Further optimize, the optical maser wavelength of the laser beam is：193~1064nm.
The mobile phone plastic housing outer surface LDS antenna spraying coating process that the embodiment of the present invention is provided, compared with prior art, has
Following usefulness：
1st, using common manufacture craft, the protection for completing LDS antennas, tool are settled at one go in the spraying for completing phone housing
There is technique simple, work well；
2nd, using such a process, the difference in height of LDS antennas and phone housing is effectively handled well, so as to both meet
The use function of LDS antennas, does not interfere with the appearance surfaces of mobile phone plastic housing again；
3rd, using such a process, spraying coating used is all the coating that market can be bought, with low cost, artificial intensity
It is low；
4th, using such a process, without the other machinery equipments of addition, cost is rationally controlled, and improves enterprise
The market competitiveness.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the FB(flow block) of mobile phone plastic housing outer surface LDS antenna spraying coating process embodiment one that the present invention is provided；
Fig. 2 is the FB(flow block) of mobile phone plastic housing outer surface LDS antenna spraying coating process embodiment two that the present invention is provided.
Embodiment
The mobile phone plastic housing outer surface LDS antenna spraying coating process that the embodiment of the present invention is provided, is meeting normal handset shell
Manufacturing process in, the difference in height of LDS antennas and phone housing is effectively handled well, so as to both meet the use work(of LDS antennas
Can, the appearance surfaces of mobile phone plastic housing are not interfered with again, while manufacture craft is simple, are worked well.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment one
Referring to Fig. 1, the mobile phone plastic housing outer surface LDS antenna spraying coating process FB(flow block)s provided for the present invention, including it is as follows
Step：
S1, the one mobile phone plastic housing Jing Guo injection molding of offer；
S2, the mobile phone plastic housing outer surface position specified with focusing laser beam irradiation, make mobile phone plastic housing outer surface assignment graph
Position is activated, coarse figure portion faces；
S3, upper metal film will be electroplated by the figure position of laser activation, and realize the work(of the antenna on mobile phone plastic housing outer surface
Energy；
S4, the spray-applied primer on the mobile phone plastic housing outer surface, for covering the metal in the plating of mobile phone plastic housing outer surface
Film；
S5, the spray paint on the mobile phone plastic housing outer surface, for shaping mobile phone plastic housing molding part；
The first coating thickness of priming paint is 40-60 μm, and the finish paint coating thickness is 10-20 μm；
The priming paint is acrylic coating, and the finish paint is UV coating.
Further optimize, mobile phone plastic housing be placed on spraying coating line carry out basecoat paint when, set coating thickness as：It is described
The first coating thickness of priming paint is 50 μm, and the finish paint coating thickness is 10 μm.
, it is necessary to which the mobile phone plastic housing laser activation of metal film will be plated in LDS antenna manufacturing process, therefore, the modeling of its mobile phone
The material of shell is particularity material, is further optimized, and the mobile phone plastic housing is thermoplastic injection molding, the metal film
In can use one or more of films containing Cu, Ni, Au, Sn, Sn/Pb, Ag, Ag/Pd, but be not limited to this.
Further optimize, thermoplastic is modified thermoplastic material, the modified thermoplastic material is common thermoplastic
Property material in addition non-electrically conductive organic metal composite.
Further optimize, common thermoplastic's material is makrolon or ABS resin in the modified thermoplastic material.
Further optimize, the optical maser wavelength of the laser beam is：193~1064nm.
The coating thickness in spraying process is controlled in embodiment one, you can reach outside the mobile phone plastic housing that can not visually observed
The degree of surfacing, any process equipment and process without adding, you can meet the plating of LDS antennas and be attached to the outer of mobile phone plastic housing
The function of being used on surface, while meeting the normal appearance face aesthetic of phone housing, makes LDS days in embodiment one
The mobile phone plastic housing of line carries out the spraying of priming paint and finish paint by pre-set spraying profile, prevents the priming paint sprayed upper
Under take during the pollution that causes, therefore advantageously in the guarantee of product quality, for the scheme of optimization.
Embodiment two
S1, the one mobile phone plastic housing Jing Guo injection molding of offer；
S2, the mobile phone plastic housing outer surface position specified with focusing laser beam irradiation, make mobile phone plastic housing outer surface assignment graph
Position is activated, coarse figure portion faces；
S3, upper metal film will be electroplated by the figure position of laser activation, and realize the work(of the antenna on mobile phone plastic housing outer surface
Energy；
S4, the spray-applied primer on the mobile phone plastic housing outer surface, for covering the metal in the plating of mobile phone plastic housing outer surface
Film；
S6, polishing step, polish the mobile phone plastic housing outer surface after the first spray-applied primer, circulation step
S4, S6 step, until mobile phone plastic housing outer surface mobile phone plastic housing plastics after spray-applied primer polishing are consistent with metal film packed height.
S5, the spray paint on the mobile phone plastic housing outer surface, for shaping mobile phone plastic housing molding part；
The first coating thickness of priming paint is 40-60 μm, and the finish paint coating thickness is 10-20 μm；
The priming paint is acrylic coating, and the finish paint is UV coating.
Step S6 is further remarked additionally, the bottom of the mobile phone plastic housing second of spraying after first polishing
It is 8-10 μm to paint thickness, and the base coat thickness sprayed for the third time after secondary polishing is 4-6 μm.
After being polished for a plurality of times, bottom when mobile phone plastic housing plastics are consistent with metal film packed height after polishing
It is 45 μm to paint thickness.
Therefore, after repeatedly spraying polishing, the base coat thickness after the polishing is 45 μm.
Further, using the sand paper of 400 mesh carry out that operation is polished for a plurality of times in polishing step, this is with low cost, operation
Simply.
, it is necessary to which the mobile phone plastic housing laser activation of metal film will be plated in LDS antenna manufacturing process, therefore, the modeling of its mobile phone
The material of shell is particularity material, is further optimized, and the mobile phone plastic housing is thermoplastic injection molding, the metal film
In can use one or more of films containing Cu, Ni, Au, Sn, Sn/Pb, Ag, Ag/Pd, but be not limited to this.
Further optimize, thermoplastic is modified thermoplastic material, the modified thermoplastic material is common thermoplastic
Property material in addition non-electrically conductive organic metal composite.
Further optimize, common thermoplastic's material is makrolon or ABS resin in the modified thermoplastic material.
Further optimize, the optical maser wavelength of the laser beam is：193~1064nm.
In summary described, the embodiment of the present invention compared with prior art, at least has the advantages that：
1st, using common manufacture craft, the protection for completing LDS antennas, tool are settled at one go in the spraying for completing phone housing
There is technique simple, work well；
2nd, using such a process, the difference in height of LDS antennas and phone housing is effectively handled well, so as to both meet
The use function of LDS antennas, does not interfere with the appearance surfaces of mobile phone plastic housing again；
3rd, using such a process, spraying coating used is all the coating that market can be bought, with low cost, artificial intensity
It is low；
4th, using such a process, without the other machinery equipments of addition, cost is rationally controlled, and improves enterprise
The market competitiveness.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (9)
1. mobile phone plastic housing outer surface LDS antenna spraying coating process, comprises the following steps；
S1, the one mobile phone plastic housing Jing Guo injection molding of offer；
S2, the mobile phone plastic housing outer surface position specified with focusing laser beam irradiation, make mobile phone plastic housing outer surface assignment graph position
Activation, coarse figure portion faces；
S3, upper metal film will be electroplated by the figure position of laser activation, and realize the function of the antenna on mobile phone plastic housing outer surface；
Characterized in that, further comprising the steps of after the step S3：
S4, the spray-applied primer on the mobile phone plastic housing outer surface, for covering the metal film in the plating of mobile phone plastic housing outer surface；
S6, polishing step, polish the mobile phone plastic housing outer surface after first spray-applied primer, circulation step S4, S6 step
Suddenly, until mobile phone plastic housing outer surface mobile phone plastic housing plastics after spray-applied primer polishing are consistent with metal film packed height；
S5, the spray paint on the primed surface, for shaping mobile phone plastic housing molding part；
The first coating thickness of priming paint is 40-60 μm, and the finish paint coating thickness is 10-20 μm；
The priming paint is acrylic coating, and the finish paint is UV coating.
2. LDS antenna spraying coating process in mobile phone plastic housing outer surface according to claim 1, it is characterised in that the mobile phone modeling
Shell base coat thickness of second of spraying after first polishing is 8-10 μm, and the priming paint sprayed for the third time after secondary polishing is thick
Spend for 4-6 μm.
3. LDS antenna spraying coating process in mobile phone plastic housing outer surface according to claim 2, it is characterised in that described by beating
Base coat thickness when mobile phone plastic housing plastics are consistent with metal film packed height after mill is 45 μm.
4. LDS antenna spraying coating process in mobile phone plastic housing outer surface according to claim 3, it is characterised in that the polishing step
Using the sand paper of 400 mesh carry out that operation is polished for a plurality of times in rapid.
5. LDS antenna spraying coating process in mobile phone plastic housing outer surface according to claim 1, it is characterised in that at the beginning of the priming paint
Secondary coating thickness is 50 μm, and the finish paint coating thickness is 10 μm.
6. LDS antenna spraying coating process in mobile phone plastic housing outer surface according to claim 4, it is characterised in that the mobile phone modeling
Shell is thermoplastic injection molding.
7. LDS antenna spraying coating process in mobile phone plastic housing outer surface according to claim 6, it is characterised in that thermoplastic
For modified thermoplastic material, the modified thermoplastic material is addition non-electrically conductive organic metal composite in common thermoplastic's material
Thing.
8. LDS antenna spraying coating process in mobile phone plastic housing outer surface according to claim 7, it is characterised in that the modified heat
Common thermoplastic's material is makrolon or ABS resin in plastic material.
9. LDS antenna spraying coating process in mobile phone plastic housing outer surface according to claim 1, it is characterised in that the laser beam
Optical maser wavelength be：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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN103357559B true CN103357559B (en) | 2017-10-20 |
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Families Citing this family (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 |
| 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 |
| 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 |
| 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 |
| CN113889752B (en) * | 2021-08-23 | 2022-12-02 | 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2013
- 2013-07-22 CN CN201310307834.2A patent/CN103357559B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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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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