TW201308749A - Communication antenna of thin film type mobile device - Google Patents

Abstract

The invention relates to a communication antenna of thin film type mobile device and, more particularly, to an antenna disposed on a housing of the mobile device for receiving signal and improving the effect of transmitting and receiving signal. The communication antenna mainly comprises a plastic substrate, and a metal layer coated onto the plastic substrate bonded via an interface layer, wherein the metal layer is engraved with isolation loops of in different shapes and different areas, so that the inner edges of the isolation loops are employed to form antennas of in different shapes and different areas. Then, a protective layer of insulating material is coated on the engraved metal layer to cover the metal layer and the isolation loops, so as to be connected to the receiving and transmitting circuit of the mobile device, thereby increasing the effect of transmitting and receiving signal for the mobile device.

Description

Thin film mobile device communication antenna

The present invention relates to a thin film type mobile device communication antenna, and more particularly to a thin film type mobile device communication antenna for connecting to a mobile communication device to improve the receiving and transmitting effects of the mobile communication device.

According to the general mobile phone and other mobile devices, the antenna is usually placed in the internal circuit. However, due to the narrow internal circuit, the antenna cannot have a large application area, which affects the effect of receiving and transmitting. In view of this, the applicant has been adhering to the experience of many years of experience in this business. After continuous research and experimentation, Yan Mengsheng improved the antenna structure of a mobile device and prayed for the improvement of the receiving and transmitting effects of mobile communication devices.

The main object of the present invention is to provide a thin film type mobile device communication antenna for connecting to a receiving and transmitting circuit of a mobile device, thereby improving the receiving effect of the mobile device.

The aforementioned film type mobile device communication antenna comprises a plastic substrate, a metal layer coated on the plastic substrate and an interface layer, and an isolation circuit of different shapes and different areas is engraved in the metal layer to make the inner edge of the isolation circuit Forming film antennas of different shapes and different areas, and coating the metal layer encapsulated in the engraved layer with a protective layer of high and low molecular insulating materials, covering the metal layer and the isolation circuit for connection to the mobile communication device And send the circuit to improve the receiving and sending effect of the mobile device.

The above-mentioned thin film type mobile device communication antenna, wherein the metal layer uses a high voltage arc to melt the metal material at a high temperature, and then sprays the molten metal liquid onto the formed plastic substrate via high pressure air, and the plastic substrate is first Applying an adhesive layer to form a bonding medium between the plastic and the metal, so that the molten metal liquid and the plastic layer are firmly integrated to form a metal conductive layer.

The aforementioned film type mobile device communication antenna, wherein the metal layer is a metal material of different alloys such as zinc and aluminum.

The above-mentioned film type mobile device communication antenna, wherein the interface layer can be a resin adhesive such as acrylic resin, epoxy resin, silicone resin, PU resin, thermoplastic resin, etc., for spraying on the surface of the plastic substrate to form a bonding layer. Interface layer.

Please refer to the first, second and third figures, which are perspective views and cross-sectional views of the present invention. As shown, the present invention comprises a plastic substrate 1, a metal layer 3 coated on the plastic substrate 1 with the interface layer 2, and a protective layer 5 coated on the metal layer 3. Wherein, the plastic substrate 1 is a mobile communication device casing which is formed into different shapes by injection molding, and the isolation circuit 4 of different shapes is engraved in the metal layer 3 so that the depth of the isolation circuit 4 is at least equal to the interface layer 2 So that the inner edge of the isolation circuit 4 forms the antenna A of different shapes, and then the protective layer 5 of the insulating material is applied to the metal layer 3 after the etching, and the metal layer 3 and the isolation circuit 4 are covered, and the connection is made. The receiving and transmitting circuits of the mobile device are used to improve the receiving and transmitting effects of the mobile device.

Please refer to the fourth drawing, which is a manufacturing flow chart of a preferred embodiment of the present invention. Please cooperate with the third figure. As shown in the figure, the manufacturing steps of the present invention mainly include:

1. Injection molding into a plastic substrate 1 of a mobile device casing of different shapes.

2. Applying the interface layer 2 to the plastic substrate 1 , the interface layer 2 may be a resin adhesive such as acrylic resin, epoxy resin, silicone resin, PU resin, thermoplastic resin, etc., for spraying on the plastic substrate 1 The surface forms a bonded interface layer 2.

3. High-temperature arc is used to melt the metal material of different alloys such as zinc and aluminum at a high temperature, and then the molten metal liquid is sprayed on the formed plastic substrate 1 through high-pressure air to form the metal layer 3, and the plastic substrate is The first layer is coated with a layer of interface layer 2 to form a bonding medium between the plastic and the metal, so that the molten metal liquid and the plastic layer are firmly integrated to form a metal conductive layer.

4. The isolation circuit 4 of different shapes and different areas is engraved on the metal layer 3 so that the depth of the isolation circuit 4 is at least equal to the interface layer 2, so that the inner edge of the isolation circuit 4 forms the antenna A of different shapes.

5. coating a protective layer 5 on the surface of the metal layer 3 of the isolation circuit 4, so that the protective layer 5 is coated with the metal layer 3 and the isolation circuit 4, which is an insulating material such as paint or baking varnish, and The isolation circuit 4 and the antenna A engraved by the metal layer 3 are applied with a high- and low-molecular resin coating before the protective layer 5 is applied to constitute package insulation.

According to the foregoing process, the antenna A formed by the mobile device casing is connected to the receiving and transmitting circuit inside the mobile device, and since the antenna A is located outside the mobile device, not only the metal layer 3 is not Affect the collection and transmission, and improve the effect of receiving and sending.

Please refer to the fifth figure, which is a diagram of an embodiment of the invention connected to the receiving and transmitting circuit. Please cooperate with the first figure. As shown in the figure, after the antenna A of the present invention is completed, the wire 61 is connected to the antenna A through the plastic substrate 1 so that the other end of the wire 61 is connected to the inside of the mobile device. The receiving and transmitting circuit 62 is configured to increase the effect of receiving and transmitting by the antenna A by the receiving and transmitting circuit 62.

Please refer to the sixth drawing, which is a diagram of an embodiment of the present invention. Please cooperate with the first figure. As shown in the figure, after the casing of the present invention is assembled into the mobile device 6 (mobile phone), the antenna A is hidden in the casing of the mobile device 6 (usually disposed on the back of the casing). The antenna A is not shielded by the metal layer 3, so that the receiving and transmitting effects can be improved. And since the antenna A is covered by the protective layer 5, the surface of the casing of the mobile device 6 is kept smooth without affecting the aesthetic appearance.

Please refer to the seventh figure, which is another embodiment of the invention made into a finished product. Please cooperate with the first figure. As shown in the figure, after the casing of the present invention is assembled into another type of mobile device 7 (mobile phone), the antenna A is hidden in the casing of the mobile device 7 (usually installed in the machine). The back of the case makes the antenna A not obscured by the metal layer 3, thereby improving the receiving and transmitting effects. And since the antenna A is covered by the protective layer 5, the surface of the casing of the mobile device 7 is kept smooth without affecting the aesthetic appearance.

Please refer to the eighth figure, which is a diagram of another embodiment of the present invention. Please cooperate with the first figure. As shown in the figure, the antenna A of the present invention can engrave loops of different shapes and different areas according to the requirements of communication sensitivity. In this embodiment, the antenna A of a larger area is used to match the receiving and transmitting effects required by the mobile device 6.

The foregoing embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the invention.

In summary, the present invention uses a plastic substrate, a metal layer bonded to the plastic substrate, and an isolation circuit engraved on the metal layer to form an antenna for the mobile device for connection to the receiving and transmitting circuits of the mobile device. The receiving and sending effect of the mobile device. For a practical design, it is an invention of innovation. It is necessary to file a patent application according to law, and the Bureau of Public Security will review it and grant patents as soon as possible.

1. . . Plastic substrate

2. . . Interface layer

3. . . Metal layer

4. . . Isolation loop

5. . . The protective layer

A. . . antenna

6. . . Mobile device

61. . . wire

62. . . Receiving and transmitting circuit

7. . . Mobile device

The first figure is a perspective view of the present invention.

The second drawing is a cross-sectional view of the present invention.

The third figure is another cross-sectional view of the present invention.

The fourth drawing is a manufacturing flow diagram of a preferred embodiment of the present invention.

The fifth figure is a diagram showing an embodiment of the connection between the present invention and the receiving and transmitting circuit.

The sixth drawing is a diagram of an embodiment of the present invention produced as a finished product.

Figure 7 is a diagram showing another embodiment of the present invention made into a finished product.

The eighth figure is another embodiment of the invention made into a finished product.

1. . . Plastic substrate

2. . . Interface layer

3. . . Metal layer

4. . . Isolation loop

5. . . The protective layer

A. . . antenna

61. . . wire

Claims (9)

A film type mobile device communication antenna comprises: an antenna disposed on a casing of a mobile device; a metal layer disposed around the antenna; and is disposed between the antenna and the metal layer to form an isolated isolation circuit. The invention relates to a process for a communication device of a film type mobile device, comprising: a plastic substrate formed by injection molding into a casing of a different shape mobile device; an interface layer coated on the plastic substrate; and a metal layer coated by the interface layer and the plastic substrate The isolation circuit of different shapes and different areas is engraved in the metal layer, so that the depth of the isolation circuit is at least equal to the interface layer, so that the inner edge of the isolation circuit forms antennas with different shapes and different areas; the metal layer and the isolation The circuit and the antenna are coated with a protective layer. The process of the communication device for a thin film type mobile device according to claim 2, wherein the metal layer is formed by high-pressure arc melting the metal material into a molten metal at a high temperature, and then spraying on the formed and coated with an interface layer. Plastic substrate. The process of the communication device for a thin film type mobile device according to the second aspect of the invention, wherein the high temperature molten metal liquid is sprayed on the plastic substrate by high pressure air. The process of the communication device for a thin film type mobile device according to the second aspect of the invention, wherein the metal material of the metal layer is a different alloy such as zinc or aluminum. The process of the communication device of the thin film type mobile device described in claim 2, wherein the interface layer is a resin adhesive such as an acrylic resin or an epoxy resin for spraying on the surface of the plastic substrate to form a bonded structure. Interface layer. The process of the communication device for a thin film type mobile device according to the second aspect of the invention, wherein the interface layer is a resin adhesive such as silicone resin, PU resin or thermoplastic resin for spraying on the surface of the plastic substrate to form a device. Bonded interface layer. For example, in the process of the communication device of the thin film type mobile device described in claim 2, the isolation circuit and the antenna engraved by the metal conductive layer are coated with high and low molecular resin paint to form package insulation. For example, the process of the communication device of the thin film type mobile device described in claim 2, wherein the metal layer, the isolation circuit and the protective layer coated by the antenna are insulating materials such as paint or baking varnish.