CN101719587A

CN101719587A - Built-in antenna of mobile phone

Info

Publication number: CN101719587A
Application number: CN200910255766A
Authority: CN
Inventors: 余章军
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-23
Filing date: 2009-12-23
Publication date: 2010-06-02
Also published as: WO2011076118A1

Abstract

The invention relates to a built-in antenna of a mobile phone, which is characterized in that the surface of an injection moulding antenna base or the back of a mobile phone shell is provided with a plurality of built-in antennae with laminated structures; and the laminated structures respectively include a first ink or paint layer, a second chemical coppering or nickeling layer, a third copper plating or chemical coppering layer, a fourth nickel plating or chemical nickeling layer and a fifth gold plating or chemical gilding layer from inside to outside. A printing or spraying processing method is adopted, a paint film has very thin thickens, and a plating layer positioned behind the paint film is also very thin; in addition, the invention can meet the performance requirements of antennae when the total thickness is generally about 30 micrometers without occupying the inner space of the mobile phone basically.

Description

A kind of built-in antenna of mobile phone

Technical field

The present invention relates to a kind of built-in antenna of mobile phone, some built-in aerials with layer structure are established at the particularly a kind of antenna base surface or phone housing back side in injection mo(u)lding.

Background technology

Along with the application of 3G, 4G cell phone is more and more, mobile phone requires the antenna of configuration also more and more, because customer requirement mobile phone weight is more and more lighter, volume is more and more littler, and thickness is more and more thinner, so the built-in aerial of mobile phone is had higher requirement.

Traditional built-in aerial manufacture method, its material is other materials such as beryllium copper, brass, copper-nickel alloy, stainless steel, at first carry out accurate punching mold design manufacturing by the Antenna Design figure, carry out punching molding again, re-plating copper, electroplated Ni, electrogilding, and then by sweat soldering or riveted joint, be connected on the antenna base, antenna base is that injection mo(u)lding gets by PC or the manufacturing of other plastic materials process mould.As the described a kind of built-in antenna of mobile phone of patent No. ZL200520041592.8, adopt low frequency radiation body and two kinds of difform metal micro-strip pasters of high frequency radiation body, adopt as latten(-tin), materials such as ocean copper-nickel alloy are carried out accurate punching, bending forming, electronickelling then, electrogilding are taken, are placed on the metal ground plate at the bottom of being pasted on the injection molded antenna of vinyon, as the manufacture method of antenna.Said method adopts sheet metal to carry out the accurate punching moulding, bending, and manufacturing procedure is more, and investment goods is more, and has taken a large amount of metal materials and processing cost, and small product size is bigger simultaneously, has taken a large amount of spaces.

And for example a kind of built-in antenna of cell phone and manufacture method thereof, application number 200710122188, publication number 101145633 is described, and this method comprises: A, design bicolor injection mould, B, use can not be carried out the injection moulding first time by plated material, the shaped support part; Use the electrodepositable material to carry out the injection moulding second time, the shaped radiation part; C, the integral body that partly is made of described holder part and described radiation fin is electroplated.The method need be opened bicolor injection mould, the die cost height, higher 3 times than common die cost, injection moulding simultaneously also will be adopted the double-shot moulding machine, the expense height, be more than 2 times of common injection moulding cost, efficient has only 50% of common injection molding machine, and the finished product rate is also very low in follow-up electroplating process, produce in enormous quantities more difficultly, cost is higher.

Summary of the invention

Purpose of the present invention is that a kind of built-in antenna of mobile phone will be provided, and it can be located at the shell back side of the antenna base or the mobile phone of mobile phone.The antenna base of its use adopts common PC or plastic material injection mouldings such as PP or PET or POM or PE or PP0 or PPS or PA to process.Printing or the employed printing ink of spraying process or paint raw materials are the common ABS printing ink of electrodepositable, or ABS paint, or use modified polystyrene printing ink, or modified polystyrene paint, or use epoxy resin printing ink, or epoxy resin paint, perhaps be added with the printing ink of conductive metal powder, or be added with the paint of conductive metal powder; Electroplating technology adopts common ABS plastic cement electroplating technology or chemical plating process, just electroplate by the antenna pattern that prints or spray out like this and gone up the multiple layer metal rete, the thickness of these metallic diaphragms can be by the design performance requirement of antenna, wait and control by electroplating technological parameter such as size of current, time length, its production technology is very ripe, and highly stable, there is not technical difficulty.

A kind of built-in antenna of mobile phone of the present invention, it is characterized in that: some built-in aerials with layer structure are established at the antenna base surface or the phone housing back side in injection mo(u)lding, its layer structure is respectively ground floor ink lay or skin of paint from the inside to the outside, second layer chemical plating copper layer or chemical Ni-plating layer, the 3rd layer of copper electroplating layer or chemical plating copper layer, the 4th layer of electroless nickel layer or chemical Ni-plating layer.

Described ink lay is ABS ink lay or modified polystyrene ink lay or epoxy resin printing ink layer or the ink lay that is added with conductive metal powder; Described skin of paint is ABS skin of paint or modified polystyrene skin of paint or epoxy resin skin of paint or the skin of paint that is added with conductive metal powder.

In order to make the better effects if of antenna, the present invention can set up layer 5 electrogilding layer or chemical gilding layer.

The invention has the beneficial effects as follows, adopt the construction method of printing or spraying, the paint film layer very thin thickness, thereafter electrodeposited coating is also very thin, its gross thickness generally just can reach the performance requirement of antenna about 30 microns, cause does not take the mobile phone inner space substantially, and the making of can constructing at the phone housing back side, does not need other injection moulding antenna base.Can arrange multiple antenna on the mobile phone.

Description of drawings

Fig. 1 is located at the base schematic diagram for antenna of the present invention.

Fig. 2 is the layer structure schematic diagram of antenna of the present invention.

Among the figure: 1. ink lay or skin of paint, 2. chemical plating copper layer or chemical Ni-plating layer, 3. copper electroplating layer or chemical plating copper layer, 4. electroless nickel layer or chemical Ni-plating layer, 5. electrogilding layer or chemical gilding layer, 6. base, 7. built-in aerial.

Embodiment

A kind of built-in antenna of mobile phone of the present invention, as shown in Figure 1, 2, the built-in aerial 7 with layer structure is established on antenna base 6 surfaces in injection mo(u)lding, its layer structure is respectively ground floor ink lay or skin of paint 1 from the inside to the outside, second layer chemical plating copper layer or chemical Ni-plating layer 2, the 3rd layer of copper electroplating layer or 3, the four layers of electroless nickel layer of chemical plating copper layer or chemical Ni-plating layer 4, layer 5 electrogilding layer or chemical gilding layer 5.Concrete procedure of processing is as follows:

1. the injection mo(u)lding antenna base adopts commercially available PC or plastic materials such as PP or PET or PP0 or PPS or PA or POM or PE, processes by mold injection.Also shouldn't antenna base, directly make built-in aerial at the injection molded phone housing back of PC material.

2. printing or spray process are used common pad printer or wire mark machine or spraying equipment.By the antenna pattern of designing requirement, use ABS printing ink or modified polystyrene printing ink or epoxy resin printing ink or be added with the printing ink of conductive metal powder; Or with ABS paint or modified polystyrene paint or epoxy resin paint or be added with the paint of conductive metal powder, print or spray process.

3. the workpiece that will 2. handle well toasts, and makes its bone dry.

4. electroplating processes, to 3. handle workpiece well by common ABS plastic cement electroplating technology electroplating processes, if directly printing or spraying conductive paint can directly carry out electroless copper, chemical nickel plating, chemical gilding is handled, just electroplate by the antenna pattern that prints or spray out like this and gone up the multiple layer metal rete, the thickness of these metallic diaphragms can be by the design performance requirement of antenna, wait and control by electroplating technological parameter such as size of current, time length, present plastic cement electroplating technology maturation, highly stable, no longer auspicious here stating.

Claims

1. built-in antenna of mobile phone, it is characterized in that: some built-in aerials with layer structure are established at the antenna base surface or the phone housing back side in injection mo(u)lding, its layer structure is respectively ground floor ink lay or skin of paint from the inside to the outside, second layer chemical plating copper layer or chemical Ni-plating layer, the 3rd layer of copper electroplating layer or chemical plating copper layer, the 4th layer of electroless nickel layer or chemical Ni-plating layer.

2. according to the described a kind of built-in antenna of mobile phone of claim 1, it is characterized in that: described ink lay is ABS ink lay or modified polystyrene ink lay or epoxy resin printing ink layer or the ink lay that is added with conductive metal powder; Described skin of paint is ABS skin of paint or modified polystyrene skin of paint or epoxy resin skin of paint or the skin of paint that is added with conductive metal powder.

3. according to claim 1 or 2 described a kind of built-in antenna of mobile phone, it is characterized in that: set up layer 5 electrogilding layer or chemical gilding layer.