CN103658663B - A kind of antenna or the manufacture method of circuit - Google Patents
A kind of antenna or the manufacture method of circuit Download PDFInfo
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- CN103658663B CN103658663B CN201310690284.7A CN201310690284A CN103658663B CN 103658663 B CN103658663 B CN 103658663B CN 201310690284 A CN201310690284 A CN 201310690284A CN 103658663 B CN103658663 B CN 103658663B
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- plastic casing
- circuit
- antenna
- manufacture method
- metal dust
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Abstract
The invention discloses the manufacture method of a kind of antenna or circuit, for forming antenna or circuit on plastic casing, comprise the following steps: S1, utilize shower nozzle by metal powder painting on plastic casing, plastic casing is formed predetermined pattern；S2, with coaxial laser bundle or electron beam metal injection powder carried out cladding sintering make shown metal dust be adhering closely to shown plastic casing surface to form antenna or circuit, wherein the transient temperature of cladding sintering higher than plastic casing softening temperature and less than the fusing point of plastic casing.Therefore, compared with prior art, the inventive method easily facilitates and forms specific antenna and circuit on shaped face, and the method for the present invention also to have operation few, the beneficial effect of low cost.
Description
Technical field
The present invention relates to electronic circuit, especially relate to the manufacture method of a kind of antenna or circuit.
Background technology
Along with sizes of electronic devices is more and more less and design is more and more novel, more multi-functional it is incorporated into, all
Such as bluetooth, WLAN, WIFI, GPS, FM, RFID and fine circuit etc., the common ground of these functions is just
Being to be required to antenna and circuit realizes, it is ultra-thin that the manufacture method of traditional antenna and circuit is difficult to meet this series products
Compact designs requirement and target substrate three-dimension curved surface and the feature of narrow space, some new technique and technology
Just arise at the historic moment.
Mode of printing, LDS, process technology Ying Jing such as double-shot moulding is developed, and is widely used in manufacturing sky
Line and circuit, these technology have promoted technological progress and the development of electron trade to a certain extent.Also it is industry
Design provides more preferably design freedom, thus better meets the market demand.But meanwhile, this kind of technology is also
There is the defect in terms of some, such as equipment investment is big, three-dimension curved surface and small space processing difficulties, path
Resistance is big, and this limits its further application and popularization to a certain extent, is necessary for this to find one
More economically viable this type of antenna of mode processing and circuit.
Summary of the invention
The technical problem to be solved is: provide one can be formed in small space complex-curved
High-precision antenna or the manufacture method of circuit.
The technical problem of the present invention is solved by following technological means:
A kind of antenna or the manufacture method of circuit, for forming antenna or circuit, including following on plastic casing
Step:
S1, utilize shower nozzle by metal powder painting on plastic casing, plastic casing is formed predetermined pattern；
S2, with coaxial laser bundle or electron beam, metal injection powder is carried out cladding sintering and make described metal dust
Being adhering closely to described plastic casing surface and form antenna or circuit, wherein transient temperature during cladding sintering is higher than
The softening temperature on plastic casing surface and less than the fusing point on plastic casing surface.
Preferably:
Before carrying out described step S1, infiltrate one layer of high-temperaure coating in advance on described plastic casing surface；
The softening temperature on described plastic casing surface refers to the softening temperature of described high-temperaure coating, described plastic housing body surface
The fusing point in face refers to the fusing point of described high-temperaure coating.
While shown step S2 carries out cladding sintering to metal dust, the position being melt upside down firing knot is carried out lazy
Property gas jet protection process.
Also include step S3: antenna or circuit to being formed carry out surface oxidation-resistant process.
In advance described metal dust was carried out before described step S1 binding agent cladding and is processed so that metal powder
End Surface coating has binding agent and/or before spraying, metal dust is carried out electrostatic applying.Wherein, can use quiet
Electric injector sprays, to apply electrostatic.
The particle diameter of described metal dust is 0.5-200nm.
The thickness of described pattern is 7-20 μm.
Described noble gas is argon.
The present invention forms the pattern set by shower nozzle metal injection powder, and this pattern can be formed in plastic casing
In plane, curved surface and labyrinth gap, the back side on body, and then by the energy cladding of laser beam or electron beam
Metal dust, directly forms antenna and circuit.Therefore, compared with prior art, the inventive method easily facilitates
Shaped face forms specific antenna and circuit, and the method for the present invention also to have operation few, low cost
Beneficial effect.
In preferred version:
The position that cladding is sintered by the mode using noble gas jet to process is protected, to avoid cladding to sinter
During metal dust aoxidize, the advantage that this preferred version has low cost.
Use electrostatic powder shower nozzle can make metal powder surface static electrification, thus electrostatic adherence can be directly relied on and exist
Plastic casing surface, and without adding binding agent.The mode using binding agent to be coated with then can make metal dust
Higher with the adhesive force of plastic casing, be conducive to being processed by noble gas jet.
The metal dust of 0.5-200nm advantageously in spraying, spraying after adhesive force and cladding sintering.And it is thick
The circuit that degree is 7-20 μm uses the method for the present invention to be prepared, and the performance of its circuit performance is excellent.
Plastic casing surface infiltration high-temperaure coating can avoid frosting because temperature when cladding sinters is too high
There is gross distortion.
Detailed description of the invention
Below in conjunction with preferred embodiment the invention will be further described.
A kind of antenna or the manufacture method of circuit, for forming antenna or circuit, including subordinate on plastic casing
Step:
1) prepare for forming antenna or the metal dust of circuit, this metal dust can be gold, silver, bronze,
Fine copper or its alloy powder, metal dust particle diameter is preferably: 0.5-200 nanometer.Preferably metal dust can be entered
Row binding agent cladding processes, and to be coated with a layer binder at metal powder surface, this binding agent is preferably resin group
Compound, primarily serves the cohesive force strengthening metal dust with plastic casing.
2) plastic casing forming antenna or circuit will be needed to infiltrate in high-temperature resistant coating, thus moulding
Material surface of shell forms one layer of high-temperaure coating, thus avoids plastic casing to occur in cladding sintering process seriously
Deformation.The process of this step can not be carried out the most completely for resistant to elevated temperatures plastics.
3) utilize shower nozzle by metal powder painting on plastic casing, thus formed predetermined on plastic casing
Pattern, this pattern is the pattern of antenna to be formed or circuit.This step preferably employs by by computer journey
The precision three-dimensional motion shower nozzle that sequence controls sprays, to obtain high-precision pattern；And so that metal powder
End has higher adhesive force at frosting, more preferably uses electrostatic powder shower nozzle metallisation end, for
It is coated with the metal dust of binding agent then to may be used without non-electrostatic shower nozzle and spray.The coating thickness of metal dust
It is preferably 7-20 μm.
4) with coaxial laser bundle or electron beam, metal injection powder is carried out cladding sintering and make shown metal dust
Being adhering closely to shown plastic casing surface and form antenna or circuit, wherein the transient temperature of cladding sintering is higher than moulding
Expect that the softening temperature of surface of shell is less than the fusing point on plastic casing surface.It should be noted that and be not wetted by
In the case of high-temperaure coating, the softening temperature on plastic casing surface and fusing point are all the softenings of quantity case material
Temperature and fusing point；And in the case of being impregnated with high-temperaure coating, the softening temperature on plastic casing surface and fusing point
Being the most all softening temperature and the fusing point of high-temperaure coating, now, the temperature of cladding sintering can higher than plastic casing certainly
The fusing point of stature material.While cladding sintering, the position being melt upside down firing knot is carried out noble gas jet process,
Air velocity is 0.1-0.25m/s, to avoid metal dust oxygen in air to react, oxidized.
In step cladding sintering process, metal dust due to laser beam or electron beam can and moment heats up, make
The surface of the plastics object that must contact softens, and metal dust is thus closely tied in the plastics object softened
Close, form the metal conducting layer of predetermined pattern, it may be assumed that predetermined antenna or circuit.
5) for avoiding antenna or circuit oxidized, preferably antenna and circuit are carried out surface oxidation-resistant process.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to
Assert the present invention be embodied as be confined to these explanations.For those skilled in the art
For, without departing from the inventive concept of the premise, it is also possible to make some equivalents and substitute or obvious modification, and
And performance or purposes identical, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. antenna or a manufacture method for circuit, for forming antenna or circuit on plastic casing, it is special
Levy and be, comprise the following steps:
S0, in advance described plastic casing surface infiltrate one layer of high-temperaure coating；
S1, utilize shower nozzle by metal powder painting on plastic casing, plastic casing formed predetermined pattern,
In advance described metal dust is carried out electrostatic applying before spraying；
S2, with coaxial laser bundle or electron beam, metal injection powder is carried out cladding sintering and make described metal dust
Being adhering closely to described plastic casing surface and form antenna or circuit, wherein transient temperature during cladding sintering is higher than
The softening temperature of described high-temperaure coating and less than the fusing point of described high-temperaure coating.
Manufacture method the most according to claim 1, it is characterised in that: metal dust is carried out by step S2
While cladding sintering, the position being melt upside down firing knot is carried out noble gas jet protection and processes.
Manufacture method the most according to claim 1 and 2, it is characterised in that: also include step S3: to shape
The antenna or the circuit that become carry out surface oxidation-resistant process.
Manufacture method the most according to claim 1, it is characterised in that: described shower nozzle is electrostatic powder shower nozzle.
Manufacture method the most according to claim 1 and 2, it is characterised in that: the particle diameter of described metal dust
For 0.5-200nm.
Manufacture method the most according to claim 5, it is characterised in that: the thickness of described pattern is 7-20
μm。
Manufacture method the most according to claim 2, it is characterised in that: described noble gas is argon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310690284.7A CN103658663B (en) | 2013-12-13 | 2013-12-13 | A kind of antenna or the manufacture method of circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310690284.7A CN103658663B (en) | 2013-12-13 | 2013-12-13 | A kind of antenna or the manufacture method of circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103658663A CN103658663A (en) | 2014-03-26 |
| CN103658663B true CN103658663B (en) | 2016-08-17 |
Family
ID=50298124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310690284.7A Active CN103658663B (en) | 2013-12-13 | 2013-12-13 | A kind of antenna or the manufacture method of circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103658663B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209516B (en) * | 2014-08-13 | 2016-06-22 | 东莞劲胜精密组件股份有限公司 | A kind of method of contoured beam antenna or circuit on plastic casing |
| CN108677183B (en) * | 2018-05-03 | 2021-03-05 | 福建工程学院 | Process for preparing composite coating from nano powder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4159414A (en) * | 1978-04-25 | 1979-06-26 | Massachusetts Institute Of Technology | Method for forming electrically conductive paths |
| US6251488B1 (en) * | 1999-05-05 | 2001-06-26 | Optomec Design Company | Precision spray processes for direct write electronic components |
| CN1395462A (en) * | 2002-06-06 | 2003-02-05 | 华中科技大学 | Electric circuit board production and its repairing method |
| CN101394710A (en) * | 2008-10-10 | 2009-03-25 | 华中科技大学 | Manufacturing and repairing method for conductive circuit of three dimensional mold interconnecting device |
| CN103078181A (en) * | 2013-02-06 | 2013-05-01 | 上海安费诺永亿通讯电子有限公司 | Cold-spray process antenna and preparation method thereof |
-
2013
- 2013-12-13 CN CN201310690284.7A patent/CN103658663B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4159414A (en) * | 1978-04-25 | 1979-06-26 | Massachusetts Institute Of Technology | Method for forming electrically conductive paths |
| US6251488B1 (en) * | 1999-05-05 | 2001-06-26 | Optomec Design Company | Precision spray processes for direct write electronic components |
| CN1395462A (en) * | 2002-06-06 | 2003-02-05 | 华中科技大学 | Electric circuit board production and its repairing method |
| CN101394710A (en) * | 2008-10-10 | 2009-03-25 | 华中科技大学 | Manufacturing and repairing method for conductive circuit of three dimensional mold interconnecting device |
| CN103078181A (en) * | 2013-02-06 | 2013-05-01 | 上海安费诺永亿通讯电子有限公司 | Cold-spray process antenna and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103658663A (en) | 2014-03-26 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 523878 Changan City, Guangdong Province town on the corner management area Co-patentee after: DONGGUAN WEIREN ELECTRONIC Co.,Ltd. Patentee after: Guangdong Jinsheng Intelligent Group Co.,Ltd. Co-patentee after: DONGGUAN HUAJING POWDER METALLURGY Co.,Ltd. Address before: 523878 Changan City, Guangdong Province town on the corner management area Co-patentee before: DONGGUAN WEIREN ELECTRONIC Co.,Ltd. Patentee before: JANUS ( DONGGUAN ) PRECISION COMPONENTS Co.,Ltd. Co-patentee before: DONGGUAN HUAJING POWDER METALLURGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20171215 Address after: 523878 Changan City, Guangdong Province town on the corner management area Co-patentee after: DONGGUAN HUAJING POWDER METALLURGY Co.,Ltd. Patentee after: Guangdong Jinsheng Intelligent Group Co.,Ltd. Address before: 523878 Changan City, Guangdong Province town on the corner management area Co-patentee before: DONGGUAN WEIREN ELECTRONIC Co.,Ltd. Patentee before: Guangdong Jinsheng Intelligent Group Co.,Ltd. Co-patentee before: DONGGUAN HUAJING POWDER METALLURGY Co.,Ltd. |
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Effective date of registration: 20210115 Address after: No. 3000, Taidong Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: SUZHOU TAIKAN MACHINERY Co.,Ltd. Address before: 523878 corner management area, Changan Town, Guangdong, Dongguan Patentee before: Guangdong Jinsheng Intelligent Group Co.,Ltd. Patentee before: DONGGUAN HUAJING POWDER METALLURGY Co.,Ltd. |