CN203839504U - Mobile phone battery cover - Google Patents

Abstract

The utility model discloses a mobile phone battery cover. The mobile phone battery cover comprises an FPC antenna, an IML mold, and a plastic cement layer. The plastic cement layer is matched with the shape and size of the IML mold. The FPC antenna is provided with a contact. A position, corresponding to the contact, on the plastic cement layer is provided with a hole. The FPC antenna is attached onto the IML mold. The plastic cement layer is attached onto the IML mold and completely covers the FPC antenna while enabling the contact to be exposed from the hole. The mobile phone battery cover not only can save the space occupied by the mobile phone antenna, but also can ensure that the antenna can never be damaged.

Description

A kind of mobile phone battery cover

Technical field

The utility model relates to mobile phone, particularly relates to a kind of mobile phone battery cover.

Background technology

Mobile phone industry is pursued thin at present, so it is quite valuable that the space of interior of mobile phone just shows, a lot of cell phone manufacturers want to reduce antenna and take up space, even antenna does not take up space, at present, can make antenna away from movement by some technique, when mobile phone signal can be strengthened, reduce taking mobile phone inner space, such technique is as LDS and printed antenna, but, printed antenna is limited to expensive ink and low yield, LDS technique must be used special injection raw material, and need to activate with high laser equipment, process with the change plating of high pollution again, cost is high like this, and not environmental protection.

Summary of the invention

Technical problem to be solved in the utility model is: make up above-mentioned the deficiencies in the prior art, propose a kind of mobile phone battery cover, can save antenna for mobile phone and take up space and can guarantee that antenna is damaged never.

Technical problem of the present utility model is solved by following technical scheme:

A kind of mobile phone battery cover, comprise FPC(Flexible Printed Circuit) antenna, IML(In Molding Label) matrix and plastic layer, shape and the size of described plastic layer and described IML matrix all match, described FPC antenna is provided with a contact, on described plastic layer, the position of corresponding described contact is provided with a hole, described FPC antenna is fitted on described IML matrix, and described plastic layer is fitted in and on described IML matrix, covers described FPC antenna completely and make described contact exposed at described hole place.

The beneficial effect that the utility model is compared with the prior art is: the FPC antenna that mobile communication function is received signal by the utility model is arranged in battery cover, contact with movement by exposed contact, do not take the space of interior of mobile phone, and, plastic layer and IML matrix wrap up the FPC antenna except contact completely, make FPC antenna damaged never, promoted mobile phone signal intensity.

Brief description of the drawings

Fig. 1 is the structural section schematic diagram of the mobile phone battery cover in the utility model embodiment;

Fig. 2 is the structural representation of the IML matrix of the mobile phone battery cover in the utility model embodiment.

Embodiment

Preferred embodiment the utility model is described in further detail to contrast accompanying drawing combination below.

The utility model provides a kind of mobile phone battery cover, in one embodiment, as shown in Figure 1, this mobile phone battery cover comprises FPC antenna 1, IML matrix 2 and plastic layer 3, described plastic layer 3 all matches with shape and the size of described IML matrix 2, described FPC antenna 1 is provided with a contact 11, on described plastic layer 3, the position of corresponding described contact 11 is provided with a hole 31, described FPC antenna 1 is fitted on described IML matrix 2, and described plastic layer 3 is fitted in and on described IML matrix 2, covers described FPC antenna 1 completely and make described contact 11 exposed at described hole 31 places.

Wherein, described contact 11 is gold-plated copper post, the top of the described FPC antenna 1 that described contact 11 arranges, and the thickness of FPC antenna is 0.1-0.15mm, in this example, thickness is 0.1mm.As shown in Figure 2, described IML matrix 2 comprises patterned IML film 21, ink layer 22 and adhesive layer 23, described ink layer 22 is located between described IML film 21 and adhesive layer 23, described FPC antenna 1 and plastic layer 3 are all fitted on described adhesive layer 23, the thickness of wherein said IML film 21 can be 0.075-0.125mm, and in this example, thickness is 0.125mm, and described ink layer has 6～7 layers, in this example, be 6 layers, described adhesive layer 23 is arranged on the ink layer of the superiors.The thickness of every one deck ink layer is 0.003-0.004mm, and the thickness of described adhesive layer is 0.003-0.004mm, and in this example, the thickness of every layer of ink layer and adhesive layer is 0.003mm.

The fabrication processing of the mobile phone battery cover of above embodiment is as follows:

1, FPC antenna 1 is made: Copper Foil is cut into suitable size, make flow process by the routine of this area FPC antenna and make FPC antenna, the thickness of FPC antenna is 0.1mm, and welds the gold-plated copper post of a Φ 3mm on FPC top as the contact 11 being connected with movement.

2, the making of IML matrix 2

2.1, IML processing film: can be processed into the pattern with various effects by surface processing techniques such as NCVM, UV embossing, silk screen printings, thickness is the IML film 21 of 0.125mm, the material of IML film can be PET, PMMA, PC etc., adopts PET in this example.

2.2, IML film printing: can be according to the performance of the injection raw material of selecting and mould structure, on the IML film of making, print 6-7 layer ink layer 22, ink can adopt Japanese empire IPX ink, every layer thickness 0.003mm, and then on the ink layer of the superiors, print one deck adhesive layer 23, binding agent can adopt the IPX of kingdom binding agent, and adhesive layer thickness is 0.003mm, after every layer of ink layer and adhesive layer are completed for printing, toasts 30 minutes at 95 DEG C.

2.3, IML matrix hot pressing/die-cut: open moulding and die cutting die according to product 3D, the IML film printing is carried out to moulding and die-cut, form IML matrix 2.

3, FPC antenna laminating: locate laminating (in Anawgy accuracy error 0.1mm) by the profile of FPC antenna and the profile of pore structure and die-cut rear IML matrix and pore structure on tool, joint tool heating and temperature control is at 30-35 DEG C, then closes 5-6 minute with defeating of 20N.

4, injection moulding: the IML matrix after laminating FPC antenna is implanted to injection moulding on injection mold, form plastic layer 3, after injection moulding, plastic layer 3 wraps up FPC antenna completely, and the only exposed contact for being connected with movement, hole place on plastic layer 3, reaches the product structure and the functional requirement that need.

Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of ordinary skill in the field; without departing from the concept of the premise utility; can also make some being equal to substitutes or obvious modification, and performance or purposes identical, all should be considered as belonging to protection range of the present utility model.

Claims (8)

1. a mobile phone battery cover, it is characterized in that: comprise FPC antenna, IML matrix and plastic layer, shape and the size of described plastic layer and described IML matrix all match, described FPC antenna is provided with a contact, on described plastic layer, the position of corresponding described contact is provided with a hole, described FPC antenna is fitted on described IML matrix, and described plastic layer is fitted in and on described IML matrix, covers described FPC antenna completely and make described contact exposed at described hole place.

2. mobile phone battery cover as claimed in claim 1, is characterized in that: described contact is gold-plated copper post, the top of the described FPC antenna that described contact arranges.

3. mobile phone battery cover as claimed in claim 1, it is characterized in that: described IML matrix comprises patterned IML film, ink layer and adhesive layer, described ink layer is located between described IML film and adhesive layer, and described FPC antenna and plastic layer are all fitted on described adhesive layer.

4. mobile phone battery cover as claimed in claim 1, is characterized in that: the thickness of described IML film is 0.075-0.125mm.

5. mobile phone battery cover as claimed in claim 3, is characterized in that: described ink layer has 6～7 layers, and described adhesive layer is arranged on the ink layer of the superiors.

6. mobile phone battery cover as claimed in claim 5, is characterized in that: the thickness of every one deck ink layer is 0.003-0.004mm.

7. mobile phone battery cover as claimed in claim 5, is characterized in that: the thickness of described adhesive layer is 0.003-0.004mm.

8. mobile phone battery cover as claimed in claim 1, is characterized in that: the thickness of described FPC antenna is 0.1-0.15mm.