TW201703608A - Metal shell permeable to antenna signal having a plurality of micro-pores for allowing antennal signals to penetrate through - Google Patents

Abstract

A metal shell permeable to antenna signal comprises at least an antenna-signal-permeable zone which comprises a groove and a plurality of micro-pores penetrating through the groove. The groove includes at least a first groove and at least a second groove, where the first groove and the second groove are arranged with the plurality of the micro-pores; the second groove intersects with the first groove. The antenna signal can be transmitted and received through the micro-pores of the metal shell without being shielded thereby; meanwhile, a metal shell full of metallic texture is provided.

Description

Antenna signal permeable metal housing

The invention relates to a metal casing, in particular to a metal casing with a transparent antenna signal. The microporous design of the metal casing enables the antenna signal to transmit and receive through the microhole.

According to the existing smart phone (Smartphone), tablet (Tablet), notebook (Notebook) and other communication devices, in order to achieve the purpose of communication (ie, transmitting and receiving antenna signals), generally in the metal housing 4 of the communication devices An additional configuration of the plastic case 40 for antenna signal penetration (as shown in FIG. 1 and FIG. 2, FIG. 1 is exemplified by a metal case 4 of a smart phone, and FIG. 2 is a metal case of a notebook). Body 4 is an example) to prevent the antenna signal from being completely obscured by the metal casing.

Although the plastic shell 40 is disposed on the metal casing 4, the antenna signal is prevented from being shielded by the metal casing 4, and the effect of transmitting and receiving the antenna signal is achieved. However, as the technology continues to advance, the requirements for the above communication device are getting higher and higher. In addition to the functional requirements, it is also an important factor in consideration of price and overall appearance. However, in the case of the metal casing 4 of the conventional communication device, the plastic casing 40 is disposed on the metal casing 4 to lose the aesthetic appearance of the overall appearance, and the plastic casing 40 and the metal casing 4 are required to be integrated into one. (Insert Molding) technology, the need to increase the process of making the casing, the manufacturing cost is relatively high, is bound to increase the price of the communication device.

In order to solve the foregoing problem, in the prior art, a slit 41 is provided on the metal casing (as shown in FIG. 3, FIG. 3 is exemplified by a metal casing 4 of a smart phone), and the gap 41 is filled therein. Plastic 42 for antenna signal penetration, such as Polyphenylene sulfide (PPS) or poly Polybutylene terephthalate (PBT) or the like passes through the slit 41 and the plastic 42 filling the slit 41 to reduce the complexity of the appearance of the metal casing 4 under the transmittable and receiving antenna signals.

Although the slit 41 can improve the texture of the metal casing, the full metal texture is not yet achieved. Further, opening the slit in the metal casing 4 is a process in which the plastic 42 is thermally bonded and the slit 41. Joining is another process, and more manufacturing processes result in more manufacturing costs.

In view of this, there is a need to provide a metal housing with an antenna signal that can be penetrated to improve the overall metal texture and integrity of the metal housing while transmitting and receiving antenna signals.

The main purpose of the present invention is to provide a metal casing with a transparent antenna signal. The micro-hole design of the metal casing enables the antenna signal to transmit and receive through the micro-hole.

In order to achieve the above object, the antenna signal permeable metal housing provided by the present invention comprises at least one antenna signal transmission region, the antenna signal transmission region includes a trench and a plurality of micropores formed and penetrated through the trench . Further, the micropores are disposed in the trench in an array.

Another object of the present invention is to provide a metal casing with a transparent antenna signal, and the first trench and the second trench intersecting on the metal casing can converge the antenna signal transmitted or received, and transmit through the micro The hole achieves the function of transmitting and receiving.

In order to achieve the above object, the antenna signal permeable metal housing provided by the present invention comprises at least one antenna signal transmission region, and each of the antenna signal transmission regions includes a trench and a plurality of micro-forms formed and penetrated through the trench hole. The trench includes: at least one first trench, the first trench is provided with the micro holes; and at least one second trench, the second trench is provided with the micro holes, and the second A trench intersects the first trench.

The above and other objects, features, and advantages of the present invention will become more apparent from the accompanying drawings.

1‧‧‧Metal shell

11‧‧‧Antenna signal penetration zone

111‧‧‧ trench

112‧‧‧Micropores

113‧‧‧First trench

End of 113a‧‧

114‧‧‧Second trench

End of 114a‧‧

115‧‧‧Insulation film

116‧‧‧Waterproof glue

2‧‧‧Antenna

3‧‧‧Printed circuit board

4‧‧‧Metal housing

40‧‧‧ plastic case

41‧‧‧ gap

42‧‧‧ plastic

5‧‧‧Printed antenna

C‧‧‧micropore center distance

D1‧‧‧First distance

D2‧‧‧Second distance

D3‧‧‧ third distance

D4‧‧‧ fourth distance

H‧‧‧ Depth

L‧‧‧ diameter

T‧‧‧ thickness

W‧‧‧ slot width

Figure 1 is a schematic view of a conventional plastic device for antenna signal penetration (1); Figure 2 is a schematic diagram of a gap and plastic for the antenna signal penetration of the existing communication device; Figure 3 is a conventional communication device for antenna signal penetration FIG. 4 is a top view of the metal casing through which the antenna signal can be penetrated; FIG. 5 is a cross-sectional view of the AA of FIG. 4; FIG. 6 is a metal casing of FIG. FIG. 7 is a schematic view showing the surface treatment of the metal casing of the present invention; FIG. 8 is a schematic view showing the micropore treatment of the metal casing of the present invention; FIG. 9 is a perspective view of the antenna signal according to another embodiment of the present invention. FIG. 10 is a cross-sectional view taken along line BB of FIG. 9; FIG. 11 is a cross-sectional view of CC in FIG. 9; FIG. 12a is a schematic view showing a printed signal antenna attached to an antenna signal penetration area shown in FIG. 12b is a schematic diagram of attaching a printed antenna to the antenna signal penetration area shown in FIG.

4 is a top view of a metal casing through which an antenna signal can be penetrated according to an embodiment of the present invention, and FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4.

Referring to FIG. 4, the antenna signal penetrated by the antenna of the present invention The casing 1 is selected from the materials of aluminum alloy or stainless steel, and the color can be arbitrarily selected, and the aluminum alloy is one selected from the aluminum alloys of the 5, 6 and 7 series.

The metal housing 1 includes at least one antenna signal transmission region, and each of the antenna signal transmission regions includes a trench and a plurality of micro holes formed and penetrated through the trench. In the embodiment, the metal housing 1 is exemplified by two antenna signal transmission areas 11 . The antenna signal transmission area 11 includes a trench 111 and a plurality of micro holes 112 . Each of the micro holes 112 is disposed on the trench 111 in an array and is used to penetrate the trench 111.

Referring to FIG. 5, the thickness T of the metal casing 1 is between 0.5 mm and 1 mm. The depth H of the trench 111 is between 0.1 mm and 0.5 mm. The diameter L of each of the micropores 112 is between 0.03 mm and 0.3 mm, and the distance C between the adjacent micropores 112 is 0.4 mm to 1 mm.

FIG. 6 is a schematic view showing the implementation of the metal casing of FIG. 4. FIG.

Referring to FIG. 4 and FIG. 6 , the metal casing 1 can replace the casing or the protective casing of a communication device such as a smart phone, a tablet, or a notebook, so that the communication devices are provided. The antenna 2 faces the antenna signal transmission area 11 or directly faces the groove 111, so that the antenna signal (electromagnetic wave) emitted by the antenna 2 and the antenna signal (electromagnetic wave) to be received can pass through the metal casing 1 The micropores 112 on the trenches 111 are not obscured by the metal casing 1. Therefore, the communication devices using the metal casing 1 of the present invention do not need to additionally configure a plastic casing for antenna signal penetration, and it is not necessary to additionally provide a slot on the casing, and fill the gap in the slot. Polyphenylene sulfide (PPS), polybutylene terephthalate (PBT) and other plastics for antenna signal penetration, in addition to solving the existing housing of these communication devices Complexity, such as the elimination of the Insert Molding process or the Thermal Bonding process, while maintaining the aesthetic (eg, full metal texture) and integrity of the appearance of the communication devices.

In addition, by using the metal casing 1, the above-mentioned communication equipment The antenna 2 used for mounting can be mounted or laid on a printed circuit board (PCB) to reduce the overall thickness of the communication devices by about 0.5 mm to 1 mm.

Figure 7 is a schematic view showing the surface treatment of the metal casing of the present invention.

Referring to FIG. 7 , when the metal shell is made of stainless steel, the metal shell 1 may be subjected to an aqueous nano-coating (ANC) treatment, or when the metal shell 1 is made of an aluminum alloy. The metal casing 1 may be subjected to anodizing treatment or Aqua Nano-Coating (ANC) treatment. The foregoing process can form an insulating film 115 on the surface of the metal casing 1. In addition to making the surface of the metal casing smoother, the antenna signal (electromagnetic wave) is not absorbed by the metal casing 1 through the insulating film 115. Or interference, and then through the microholes 112.

Figure 8 is a schematic view showing the micropore treatment of the metal casing of the present invention.

Referring to FIG. 8, the micro-hole 112 of the metal casing 1 can be filled with a waterproof glue 116 to provide waterproofing. The waterproof adhesive 116 may be an optically transparent optical transparent adhesive (OCA) or a non-transparent PET (polyethylene terephthalate) adhesive (for example, black Mylar adhesive).

9 is a top view of a metal casing through which an antenna signal can be penetrated, FIG. 10 is a cross-sectional view taken along line B-B of FIG. 9, and FIG. 11 is a cross-sectional view taken along line C-C of FIG.

Referring to FIG. 9 , in the embodiment, the metal housing 1 is also exemplified by two antenna signal transmission areas 11 (the same embodiment), and the antenna signal transmission area 11 includes a trench 111 and Several micro holes 112. The difference between the trench 111 and the micro-hole 112 in this embodiment is that the trench 111 includes at least one first trench 113 and at least one second trench 114, and each micro-hole 112 is disposed in the trench. The groove 111 is used to penetrate the groove 111. In detail, each of the micro holes 112 is disposed in each of the first trenches 113 and the second trenches 114 , and is configured to penetrate the first trenches 113 and the second trenches 114 .

Please refer to Figure 10 and Figure 11 together with Figure 9. The thickness T of the metal casing 1 is between 0.5 mm and 1 mm. The depth H of the trench 111 is between 0.1 mm and 0.5 mm, that is, the depth H of each of the first trenches 113 and each of the second trenches 114 is between 0.1 mm and 0.5 mm. The groove width W of each of the first trenches 113 and each of the second trenches 114 is between 0.4 mm and 0.8 mm. When the first trenches 113 are plural (ie, two or more), each of the first trenches 113 is parallel to each other, and is disposed at an interval equal to one of the first distances D1, which are two adjacent The distance between the slots of the first trench 113, the first distance D1 is between 2 mm and 5 mm; and when the second trench 114 is plural (ie, two or more), each of the second trenches 114 The two distances D2 are the distances of the slots of the two adjacent second grooves 114, and the second distance D2 is between 2 mm and 5 mm. Each of the first trenches 113 intersects with each of the second trenches 114 such that the first trenches 113 and the second trenches 114 communicate with each other. The center point of the end 113a of each of the first trenches 113 is separated from the adjacent second trenches 114 by a third distance D3, and the third distance D3 is between 2 mm and 5 mm, and the end 114a of each of the second trenches 114 The center point is spaced apart from the adjacent first trench 113 by a fourth distance D4, which is between 2 mm and 5 mm. In addition, the diameter L of each of the micro holes 112 is between 0.03 mm and 0.3 mm, and the center distance C of the micro holes of the adjacent two micro holes 112 is 0.4 mm to 1 mm. That is, each of the micro holes 112 is disposed on each of the first trenches 113 and the second trenches 114 at intervals.

It can be seen from the above that the metal casing 1 of the present embodiment has the advantages and functions of the previous embodiment, in particular, the first trench 113 and the second trench 114 provided by the trench 111 intersect and can converge. Antenna signal transmitted or received.

In addition, the metal casing 1 of the present embodiment can also be subjected to anodizing or Aqua Nano-Coating (ANC) processing, so as to avoid absorption or interference of the antenna signal, as detailed in FIG. 7 above, and no further description is provided herein. . The micropores 112 of the metal casing 1 can also be filled with waterproof glue to provide waterproofing or light transmission and light shielding (as shown in FIG. 8 above), which will not be further described herein.

Referring to FIG. 12a and FIG. 12b, in the above embodiment, the printed antenna 5 is attached to the antenna signal transmitting area 11 corresponding to the antenna mounting position to reinforce the transmission of the antenna signals passing through the micro holes 112. Receiving, wherein the printed antenna 5 is a prior art product using a reinforced antenna signal, the internal structure thereof is not separately described herein.

In the above, it is merely described that the present invention is an embodiment or an embodiment of the technical means for solving the problem, and is not intended to limit the scope of implementation of the present invention. That is, the equivalent changes and modifications made in accordance with the scope of the patent application of the present invention or the scope of the invention are covered by the scope of the invention.

1‧‧‧Metal shell

11‧‧‧Antenna signal penetration zone

111‧‧‧ trench

112‧‧‧Micropores

113‧‧‧First trench

End of 113a‧‧

114‧‧‧Second trench

End of 114a‧‧

D1‧‧‧First distance

D2‧‧‧Second distance

D3‧‧‧ third distance

D4‧‧‧ fourth distance

Claims (13)

A metal housing through which an antenna signal can pass, comprising at least one antenna signal transmission region, the antenna signal transmission region comprising a trench and a plurality of micropores formed and penetrating through the trench. The metal casing permeable to the antenna signal according to claim 1, wherein the metal casing has a thickness of between 0.5 mm and 1 mm, and the groove has a depth of between 0.1 mm and 0.5 mm. The metal casing that can be penetrated by the antenna signal according to claim 2, wherein the micro holes are arranged in an array on the groove, and the diameter of each of the micro holes is between 0.03 mm and 0.3 mm, adjacent to each other The center distance of the micro holes of the holes is 0.4mm~1mm. The metal casing permeable to the antenna signal of claim 2, wherein the trench comprises: at least one first trench, the first trench having a groove width of between 0.4 mm and 0.8 mm, each of the a groove is provided with the micropores, each of the micropores having a diameter of between 0.03 mm and 0.3 mm; and at least one second groove having a groove width of between 0.4 mm and 0.8 mm. Each of the second trenches is provided with the micropores, each of the micropores having a diameter between 0.03 mm and 0.3 mm, wherein the second trench intersects the first trench. The metal casing that can be penetrated by the antenna signal according to claim 4, wherein the center distances of the microholes of the adjacent two micro holes are 0.4 mm to 1 mm apart. The metal housing through which the antenna signal of claim 4 is permeable, wherein the first trench is plural, the first trenches are parallel to each other, and are disposed at an equal first distance interval, the first A distance is the distance between the slots of two adjacent first grooves, and the first distance is between 2 mm and 5 mm. The metal casing that can be penetrated by the antenna signal according to claim 4, wherein the second trench is plural, the second trenches are parallel to each other, and are disposed at an interval equal to one second distance, the first The two distances are the distances of the slots of two adjacent second grooves, and the second distance is between 2 mm and 5 mm. The antenna casing of the antenna signal according to claim 6, wherein a center point of the end of each of the first trenches is a third distance from the adjacent second trench, and the third distance is between 2 mm and 5 mm. between. The antenna casing of the antenna signal according to claim 7, wherein the center point of the end of each of the second trenches is a fourth distance from the adjacent first trench, and the fourth distance is between 2 mm and 5 mm. between. The metal casing permeable to the antenna signal according to claim 1, wherein the metal casing is selected from the group consisting of aluminum alloy or stainless steel, and the aluminum alloy is selected from one of the aluminum alloys of the 5, 6 and 7 series. The metal casing permeable to the antenna signal according to claim 10, wherein when the metal casing is made of an aluminum alloy, it is subjected to anodization or Aqua Nano-Coating (ANC) treatment. The metal casing that can be penetrated by the antenna signal according to claim 10, wherein the metal casing is made of stainless steel, and is subjected to an Aqua Nano-Coating (ANC) treatment. The metal casing permeable to the antenna signal according to claim 1, wherein the microhole is filled with a waterproof glue, which is an optically transparent optical transparent adhesive (OCA) or is opaque. PET (Polyethylene terephthalate) glue.