CN204927504U - Antenna that inserts was moulded plastics and is made - Google Patents
Antenna that inserts was moulded plastics and is made Download PDFInfo
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- CN204927504U CN204927504U CN201520394338.XU CN201520394338U CN204927504U CN 204927504 U CN204927504 U CN 204927504U CN 201520394338 U CN201520394338 U CN 201520394338U CN 204927504 U CN204927504 U CN 204927504U
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- barrier coating
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Abstract
The utility model provides an antenna that inserts was moulded plastics and is made sets up the insulating protecting layer between first plastic layer through the antenna in LDS and the manufacturing of LEP technology and second plastic layer, realizes can effectively insulating against heat and stopping partial impact force when the second plastic layer is moulded plastics for can protect first plastic layer to avoid softening or melting when moulding plastics second floor plastics, make the antenna metal level avoid being destroyed. And with establishing the glue layer between insulating protecting layer and second plastic layer, can increase the bonding effect of insulating protecting layer and second plastic layer. And the insulating protecting layer can set up to multilayer structure according to the practical application scene of antenna, if set up to add the hard formation, shock resistance layer and temperature resistant layer have enlarged the application scenario of this antenna effectively. The effectual material restriction that has reduced the first layer material of this kind of antenna structure to reduce antenna structure's cost, be favorable to very much the popularization of LDS and LEP technology.
Description
Technical field
The utility model relates to electronic circuit technology field, particularly the antenna that manufactures of a kind of insert injection moulding.
Background technology
Current mobile consumer electronics field, LDS (Direct Laser is shaping) and LEP (laser-enhanced plating) technique becomes a kind of important antenna structure form gradually.In this kind of antenna structure, in order to reach waterproof and needs attractive in appearance, the antenna outside made in these two kinds of techniques generally needs bag mould injection moulding second layer material again.But, the difficult point of bag mould injection moulding second layer material is that injection mo(u)lding second layer material is due to molten state plastics, more heat transfer can be brought, bond under making second layer material and ground floor material at high temperature state, although bonding effect is better, ground floor material softening even partial melting thus can distortion or destroy antenna metal Rotating fields in this process, can be caused.
At present, for avoiding ground floor damage of material or distortion, the method generally taked is: ground floor uses resistant to elevated temperatures plastics, thus anti-softening and thawing.But the shortcoming of the antenna that this method makes is: making the selection of ground floor material have has larger limitation, and in addition, the price of exotic material is also often higher, and mechanicalness is poor, makes the cost of entire physical and performance be affected.
Utility model content
The purpose of this utility model is the antenna providing a kind of insert injection moulding to manufacture, to solve the first plastic layer of causing in its structure of antenna of existing LDS and LEP manufacture technics and metal level is easy to by the problem destroyed during bag mould injection moulding second layer plastics.
Second object of the present utility model is the antenna providing a kind of insert injection moulding to manufacture, to solve the antenna of existing LDS and LEP manufacture technics for realizing good performance, the problem that antenna cost is higher, mechanical performance is poor adopting resistant to elevated temperatures ground floor plastics to cause during its bag mould injection moulding second layer plastics.
For achieving the above object; the utility model provides the antenna that a kind of insert injection moulding manufactures; comprise the first plastic layer, the metal level be overlying on the first plastic layer; and second plastic layer; metal level by the coated part of the second plastic layer or metal level whole above and the first plastic layer be provided with heat-barrier coating by the part or all of outer surface that the second plastic layer is coated; second plastic layer is located at the top of this heat-barrier coating; wherein, described metal level is the metal level be overlying on by the method for LDS or LEP on described first plastic layer.
Preferably, described heat-barrier coating be by spraying, bat printing, stencil, infiltrate or some glue method be covered on described first plastic layer and metal level.
Preferably; the material of described heat-barrier coating is ink; described ink comprises polyamide, cellulose nitrate, vinyl chloride, vinyl acetate copolymer resins, chlorinated polypropylene, polyurethane, acrylic acid oligomer, acrylic monomers, epoxy resin, one or more combinations in the materials such as acrylic resin, chlorinated rubber, alkyd, polyurethane.
Preferably, be also provided with glue layer between described heat-barrier coating and described second plastic layer, the material of described glue layer is thermosetting cement.
Preferably, described heat-barrier coating is one or more layers structure, and when described heat-barrier coating is sandwich construction, described heat-barrier coating also comprises: stiffening layer, anti-impacting layer and heat-resistant layer.
Preferably, the thickness of described heat-barrier coating is 5um ~ 150um.
The utility model provides the antenna that a kind of insert injection moulding manufactures; by arranging heat-barrier coating between the first plastic layer of the antenna at LDS and LEP manufacture technics and the second plastic layer; realizing when the second plastic layer injection moulding can effectively heat insulation and stop portions impulsive force; make during injection moulding the second plastic layer, to protect the first plastic layer avoid softening or melt, make antenna metal layer avoid being destroyed.And between heat-barrier coating and the second plastic layer, add glue layer, the bond effect of heat-barrier coating and the second plastic layer can be increased.And heat-barrier coating can be sandwich construction according to the practical application scene setting of antenna, as arranged stiffening layer, anti-impacting layer and heat-resistant layer, expand the application scenario of this antenna effectively.
This antenna structure effectively reduces and limits the material of ground floor material, thus reduces the cost of antenna structure, is very beneficial for the popularization of LDS and LEP technique.
Accompanying drawing explanation
The antenna structure view that Fig. 1 provides for the utility model embodiment one;
The antenna structure view that Fig. 2 provides for the utility model embodiment two;
The antenna structure view that Fig. 3 provides for the utility model embodiment three.
Embodiment
Below with reference to Fig. 1 to Fig. 3, the antenna with insert injection moulding manufacture that the utility model provides is described in detail, it is several the utility model optional embodiments, can think, those skilled in the art, in the scope not changing the utility model spirit and content, can modify to it and polish.
Embodiment one:
As shown in Figure 1; the antenna that the insert injection moulding that the present embodiment provides manufactures; comprise the first plastic layer 1, metal level 2, second plastic layer 3 and heat-barrier coating 4; wherein; metal level 2 is for be overlying on the first plastic layer by LED or LEP technique; first plastic layer is the carrier of antenna metal circuit, and the second plastic layer is then in order to waterproof or attractive in appearance and Bao Mo are injection-moulded on entire physical that carrier and metallic circuit form.In the present embodiment, metal level 2 is covered with heat-barrier coating 4 above by the whole of the coated part of the second plastic layer 3 or metal level 2.In addition, the first plastic layer 1 is provided with heat-barrier coating 4 by coated partly or entirely outer of the second plastic layer 3, and the second plastic layer 3 is located at above this heat-barrier coating 4 having heat-barrier coating 4 place.
Wherein, heat-barrier coating 4 for by spraying, bat printing, stencil or infiltrate and be covered on the first plastic layer 1.The material of heat-barrier coating is ink; described ink comprises polyamide, cellulose nitrate, vinyl chloride, vinyl acetate copolymer resins, chlorinated polypropylene, polyurethane, acrylic acid oligomer, acrylic monomers, epoxy resin, one or more combinations in the materials such as acrylic resin, chlorinated rubber, alkyd, polyurethane.In addition, the thickness of the heat-barrier coating in the present embodiment is 5 ~ 150um.
The manufacture method of above-mentioned antenna is as follows:
When adopting LDS or LEP manufacture technics antenna, before injection moulding second plastic layer, first at metal level and the first plastic layer, the part or all of outer surface coated by the second plastic layer is arranged heat-barrier coating; Subsequently there is injection moulding second plastic layer above heat-barrier coating place.When heat-barrier coating is set, specifically by spraying, bat printing, to stencil or described heat-barrier coating covers on the first plastic layer and on metal level by the mode that infiltrates.This method can not destroy the structure of the first plastic layer and metal level, and require lower to the material etc. of technique, the first plastic layer when making to manufacture antenna, the antenna performance of manufacture does not affect by the course of processing.
Embodiment two:
The present embodiment is the preferred embodiment of embodiment one, and itself and embodiment one difference are as described below:
Also be provided with glue layer 5 between the heat-barrier coating 4 of the antenna structure of the present embodiment and described second plastic layer 3, be overlying on heat-barrier coating 4 at glue layer 5, and heat-barrier coating 4 for by spraying, bat printing, stencil or infiltrate and be covered on the first plastic layer 1.The material of glue layer is thermosetting cement, and its basic ingredient is bismaleimide-triazine resin (BT resin), epoxy resin, phenol an aromatic plant metioned in ancient books resin+acrylonitrile-butadiene rubber, the one wherein such as acrylic (PMMA).Glue layer 5 can increase the bond effect of heat-barrier coating and the second plastic layer better.
Embodiment three:
The present embodiment is the preferred embodiment of embodiment two, and itself and embodiment one difference are as described below:
The heat-barrier coating 4 of the antenna structure of the present embodiment is sandwich construction; also comprise successively: stiffening layer 43, anti-impacting layer 42 and heat-resistant layer 41; wherein, stiffening layer 43 is positioned at the side near metal level 2, and is provided with above-mentioned glue layer 5 between heat-resistant layer 41 and the second plastic layer 3.
Certainly; in other preferred embodiments; order between stiffening layer 43 in heat-barrier coating, anti-impacting layer 42 and heat-resistant layer 41 can freely adjust as required when implementing; heat-barrier coating is on the basis that can meet heat insulation and guard metal layer and the first plastic layer, and those skilled in the art also freely can arrange the function that its number of plies and each layer realize as required.
In the present embodiment, by heat-barrier coating being set to the sandwich construction with multiple difference in functionality characteristic, this heat-barrier coating can be made to have, and structural stability is good, shock resistance and heatproof etc. characteristic, when injection moulding the second plastic layer, and guard metal layer better.
The thickness of the heat-barrier coating 4 in the present embodiment is 150um.
Preferably, the thickness of the heat-barrier coating in antenna structure provided by the utility model is not limited to 5um ~ 150um, can carry out free setting by those skilled in the art according to the setting of the material of actual needs and different heat-barrier coatings.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; any those skilled in the art is in the technical scope that the utility model discloses; the distortion do the utility model or replacement, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.
Claims (6)
1. the antenna of an insert injection moulding manufacture; comprise the first plastic layer, the metal level be overlying on the first plastic layer; and second plastic layer; it is characterized in that; metal level by the coated part of the second plastic layer or metal level whole above and the first plastic layer be provided with heat-barrier coating by the part or all of outer surface that the second plastic layer is coated; second plastic layer is located at the top of this heat-barrier coating; wherein, described metal level is the metal level be overlying on by the method for LDS or LEP on described first plastic layer.
2. the antenna of insert injection moulding manufacture according to claim 1, it is characterized in that, described heat-barrier coating is covered on described first plastic layer and metal level.
3. the antenna of insert injection moulding manufacture according to claim 1, it is characterized in that, the material of described heat-barrier coating is ink.
4. the antenna of insert injection moulding manufacture according to claim 1, it is characterized in that, be also provided with glue layer between described heat-barrier coating and described second plastic layer, the material of described glue layer is thermosetting cement.
5. the antenna of insert injection moulding manufacture according to claim 1, it is characterized in that, described heat-barrier coating is one or more layers structure, and when described heat-barrier coating is sandwich construction, described heat-barrier coating also comprises: stiffening layer, anti-impacting layer and heat-resistant layer.
6. the antenna that the insert injection moulding according to any one of claim 1 to 5 manufactures, it is characterized in that, the thickness of described heat-barrier coating is 5um ~ 150um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520394338.XU CN204927504U (en) | 2015-06-10 | 2015-06-10 | Antenna that inserts was moulded plastics and is made |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520394338.XU CN204927504U (en) | 2015-06-10 | 2015-06-10 | Antenna that inserts was moulded plastics and is made |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204927504U true CN204927504U (en) | 2015-12-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520394338.XU Expired - Fee Related CN204927504U (en) | 2015-06-10 | 2015-06-10 | Antenna that inserts was moulded plastics and is made |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204927504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868245A (en) * | 2015-06-10 | 2015-08-26 | 上海安费诺永亿通讯电子有限公司 | Antenna manufactured by insert injection molding, and method for manufacturing antenna by insert injection molding |
| CN111864341A (en) * | 2019-04-30 | 2020-10-30 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
-
2015
- 2015-06-10 CN CN201520394338.XU patent/CN204927504U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868245A (en) * | 2015-06-10 | 2015-08-26 | 上海安费诺永亿通讯电子有限公司 | Antenna manufactured by insert injection molding, and method for manufacturing antenna by insert injection molding |
| CN111864341A (en) * | 2019-04-30 | 2020-10-30 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| CN111864341B (en) * | 2019-04-30 | 2022-05-06 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20200610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |