CN102916258A

CN102916258A - Antenna module and manufacturing method thereof

Info

Publication number: CN102916258A
Application number: CN2012103509531A
Authority: CN
Inventors: 竺炜棠; 林奕嘉
Original assignee: Advanced Semiconductor Engineering Inc
Current assignee: Advanced Semiconductor Engineering Inc
Priority date: 2012-09-20
Filing date: 2012-09-20
Publication date: 2013-02-06

Abstract

The invention provides an antenna module and a manufacturing method thereof. The manufacturing method includes that a plurality of phase regulators are embedded in a substrate, a plurality of antennas are arranged on the substrate and electrically connected to the phase regulators respectively, and then at least one lens is arranged on the substrate and covers the antennas. The antenna module is capable of improving directivity of transmission signals of the antennas by the aid of the lenses and changing radiation fields by means of switching the phase regulators of the antennas.

Description

Anneta module and manufacture method thereof

Technical field

The present invention relates to a kind of Anneta module and manufacture method thereof, particularly relate to a kind of Anneta module and manufacture method thereof with a plurality of antenna elements.

Background technology

In a wireless network, for example wireless PAN (personal area network), WLAN (LAN), wireless WAN (Wide Area Network), cellular network, if when providing wireless connections and communication between will the device in any wireless network or system, then equipment needs receiver and the transmitter (or transceiver) of antenna, with other element emission (transmission) required signal in this wireless network effectively, the perhaps required signal of other element reception in the wireless network since then.

In existing wireless telecommunication system, the antenna of wireless device generally is sealing or is installed on printed circuit board (PCB) or the base plate for packaging.Yet, under the situation that the demand of wireless telecommunications increases gradually, wireless device need arrange more antenna, and needs to change the wave frequency (such as high frequency or low frequency) that each antenna sends according to different user demands, thereby increases the design and manufacture difficulty of the antenna of wireless device.

Therefore, be necessary to provide a kind of Anneta module and manufacture method thereof, to solve the existing problem of prior art.

Summary of the invention

One embodiment of the invention are to provide a kind of Anneta module, and described Anneta module comprises substrate, a plurality of antenna, at least one lens and a plurality of phase regulator.Antenna is to be arranged on the substrate, and lens are to be arranged on the substrate, and cover antenna, and phase regulator is to be embedded in the substrate, and is electrically connected at antenna respectively.

Another embodiment of the present invention is to provide a kind of manufacture method of Anneta module.In the manufacture method of this Anneta module, at first, provide a substrate, wherein substrate is embedded with a plurality of phase regulators, then, a plurality of antennas are set on substrate, wherein phase regulator is to be electrically connected at respectively antenna, then, at least one lens are set on substrate, and cover described antenna.

But Anneta module scioptics of the present invention improve the directive property of the signal transmission of antenna, and then can improve gain and the transmitting-receiving quality of signal.Again, the phase modulation of the phase regulator by switching each antenna can flexibly be adjusted the radiation field shape of whole Anneta module, to meet various signals transmission demands

For foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:

Description of drawings

Figure 1A shows the top view according to the Anneta module of one embodiment of the invention;

Figure 1B shows the fragmentary cross-sectional view according to the Anneta module of one embodiment of the invention;

Fig. 2 A to Fig. 2 J shows the schematic diagram according to the lens of a plurality of embodiment of the present invention;

Fig. 3 A to Fig. 3 D shows the manufacturing flow chart according to the Anneta module of one embodiment of the invention;

4A to Fig. 4 C shows the manufacturing flow chart according to the Anneta module of another embodiment of the present invention;

Fig. 5 shows the schematic diagram according to the lens of another embodiment of the present invention; And

Fig. 6 shows the schematic diagram according to the lens of another embodiment of the present invention.

Embodiment

Below the explanation of each embodiment be with reference to additional graphic, can be in order to the specific embodiment of implementing in order to illustration the present invention.The direction term that the present invention mentions, such as " on ", D score, 'fornt', 'back', " left side ", " right side ", " interior ", " outward ", " side " etc., only be the direction with reference to annexed drawings.Therefore, the direction term of use is in order to explanation and understands the present invention, but not in order to limit the present invention.

In the drawings, the unit of structural similarity is to represent with same numeral.

Please refer to Figure 1A and Figure 1B, Figure 1A shows the top view according to the Anneta module of one embodiment of the invention, and Figure 1B shows the fragmentary cross-sectional view according to the Anneta module of one embodiment of the invention.The Anneta module 100 of the present embodiment can arrange in pairs or groups or be arranged on the electronic installation (not shown), is used for transmitting or receiving wireless signal.Anneta module 100 comprises substrate 110, a plurality of antenna 120, at least one lens 130 and a plurality of phase regulator (Phase Shifter) 140.Antenna 120 is to be arranged on the substrate 110, lens 130 are to be arranged on the substrate 110 and to cover antenna 120, phase regulator 140 is to be embedded in the substrate 110 and by the circuit layer 112 in the substrate 110 to be electrically connected at respectively antenna 120, to adjust the phase place of 120 receiving and transmitting signals of antenna.

Shown in Figure 1A and Figure 1B, substrate 110 can for example be printed circuit board (PCB) (PCB) or flexible printed wiring board (FPC).In the present embodiment, the lower surface of substrate 110 can be provided with Connection Element 111, and for example soldered ball or projection are to connect or to be installed on the electronic installation.Have at least one circuit layer 112 in the substrate 110, in the present embodiment, can be used as the electrically connect with Connection Element 111, antenna 120 and the phase regulator 140 of lower surface.

Antenna 120 is to be arranged on the side surface of substrate 110, and be electrically connected with circuit layer in the aforesaid substrate 110, antenna 120 is used for the transmitting/receiving wireless signal, and a plurality of (at least two) antenna 120 can be arranged on the substrate 110, and form an antenna array (for example 3 * 3 or 2 * 2), wherein the width of each antenna 120 can be 2 ~ 3 millimeters (mm), 2.5mm for example, but the material that the width optic placode of antenna is used and adjusting, for example: use ceramic substrate, because the effective dielectric constant of ceramic substrate is higher, and the loss meeting of signal is less, therefore width can be shorter, to guarantee the transmission quality of signal.Lens 130 are to be covered in accordingly respectively on each antenna 120, for the directive property of the signal transmission that improves antenna 120, and then can improve the gain of signal and receive and dispatch quality.Described " directive property (directional) " refers to that the electromagnetic wave that antenna 120 sends is to be close to parallel parallel wave (but not isotropic radial wave), though the narrow orientation that the antenna that directive property is strong only can limit to electromagnetic transmission to, relative transmission range can be distant.

Shown in Figure 1A and Figure 1B, lens 130 are made by transparent material, for example glass, silica gel or plastic material (such as PC).The upper surface of lens 130 has one or more convex structure, with the directive property of the signal transmission that improves antenna 120.In the present embodiment, a plurality of lens 130 are to be arranged on the substrate 110 and to cover respectively antenna 120.Each lens 130 has an arc chambers 131, is used for accommodating antenna 120, and can enlarge in advance the signal transmission of antenna 120.Wherein the length of each lens 130 or diameter are 3 ~ 5mm, 3.5mm for example, the size of the length of lens or diameter visible radiation body is made change, for example the radiant body width diminishes, the diameter of lens also can and then diminish, to guarantee the directive property of signal, namely can change in order to the radial electromagnetic wave that antenna 120 is sent and be close to parallel electromagnetic wave.And the internal diameter of arc chambers 131 approximately can be 2.5 ~ 4mm.The effect of arc chambers 131 is to provide a space (medium is air) to make antenna 120 send first radial electromagnetic wave, radial electromagnetic wave then enters to change in the material (medium is glass, silica gel or plastic material) of lens 130 again and is close to parallel electromagnetic wave, will be close to parallel electromagnetic wave outside again and be emitted in the extraneous air.

Shown in Figure 1A and Figure 1B, phase regulator 140 for example is microswitch or the diode that micro-electromechanical technology (MEMS) is made, and it is electrically connected at respectively antenna 120, is used for individually adjusting the phase place of the signal transmission of one or more antennas 120.When antenna 120 transmitting/receiving wireless signal, by changing the signal phase of the one or more antennas 120 in the antenna array, can indirectly change the radiation field shape of the antenna array of Anneta module 100.Therefore, according to different user demand, for example be used for the electronic product of high frequency or low frequency, the phase modulation of the phase regulator 140 by switching each antenna 120 can flexibly be adjusted the radiation field shape of Anneta module 100 integral body, to meet various signals transmission demands.

Please refer to Fig. 2 A to Fig. 2 J, it shows the schematic diagram according to the lens of more than one embodiment of the present invention.In Fig. 2 A and 2B the present embodiment, lens 130 can be V-arrangement (V-cut) lens,, in Fig. 2 C and 2D embodiment, lens 130 can be the waveform lens,, in Fig. 2 E and 2F embodiment, lens 130 can be the prism matrix lens,, in Fig. 2 G to 2I embodiment, lens 130 can be the dot pattern lens, or in Fig. 2 J embodiment, lens 130 can be Fresnel lens (Fresnel lens).

Please refer to Fig. 3 A to Fig. 3 D, it shows the manufacturing flow chart according to the Anneta module of one embodiment of the invention.When making the Anneta module 100 of the present embodiment, at first, as shown in Figure 3A, substrate 110 is provided, and antenna 120 is set on substrate 110, wherein be embedded with circuit layer (not indicating) and phase regulator 140 in the substrate 110, phase regulator 140 is to be electrically connected at respectively antenna 120 by circuit layer.Then, lens 130 are set on substrate 110, and cover antenna 120.At this moment, shown in Fig. 3 B and Fig. 3 C, the lower surface of lens 130 can be provided with fixedly pin 132, be used for lens 130 plants are fixed in the corresponding through hole (indicating) of substrate 110, after lens 130 were inserted on the substrate 110, fixedly the end 132a of pin 132 exposed to outside the lower surface of substrate 110.Then, shown in Fig. 3 D, hot melt is the exposing end 133a of pin 132 and become the anchor portion of a distortion fixedly, with fixed lens 130 firmly on substrate 110.

Please refer to Fig. 4 A to Fig. 4 C, it shows the manufacturing flow chart according to the Anneta module of another embodiment of the present invention.When making the Anneta module 100 of the present embodiment, at first, shown in Fig. 4 A, substrate 110 is provided, and antenna 120 is set on substrate 110, wherein is embedded with circuit layer (not indicating) and phase regulator 140 in the substrate 110, phase regulator 140 is to be electrically connected at respectively antenna 120.Then, lens 130 are set on substrate 110, and cover antenna 120.At this moment, shown in Fig. 4 B, can form adhesion layer 101 in the upper surface of substrate 110.Then, shown in Fig. 4 C, by adhesion layer 101, lens 130 are fixed on the substrate 110.Lens 130 then, shown in Fig. 4 C, can heat adhesion layer 101, so that can more firmly be fixed on the substrate 110.

Please refer to Fig. 5, it shows the schematic diagram according to the lens of another embodiment of the present invention.In another embodiment, lens 230 (or lens) are to be covered on a plurality of antennas 120, these lens 230 have a plurality of arc chambers 231 and a plurality of convex structure 233, and arc chambers 231 is the lower surfaces that are formed at lens 230, with the corresponding accommodating antenna 120 of difference.Convex structure 233 for example is hemisphere or prismatic convex structure, and convex structure 233 can be respectively to being positioned at antenna 120, for the directive property of the signal transmission that improves antenna 120.

Please refer to Fig. 6, it shows the schematic diagram according to the lens of another embodiment of the present invention.In another embodiment, compared to Figure 1B, the Connection Element 311 of substrate 110 lower surfaces can be pin (Leads), is used for connecting or being installed on electronic installation.

In sum; although the present invention discloses as above with preferred embodiment; but above preferred embodiment is not to limit the present invention; those of ordinary skill in the art; without departing from the spirit and scope of the present invention; all can do various changes and retouching, so protection scope of the present invention is as the criterion with the scope that claim defines.

Claims

1. Anneta module, it is characterized in that: described Anneta module comprises:

One substrate has a upper surface, a lower surface and at least one circuit layer, and wherein said circuit layer is between described upper surface and described lower surface;

A plurality of antennas are arranged at the upper surface of described substrate;

At least one lens are arranged at the upper surface of described substrate, and cover described antenna; And

A plurality of phase regulators are embedded in the described substrate, and are electrically connected at respectively circuit layer and the described antenna of described substrate.

2. Anneta module according to claim 1, it is characterized in that: the lower surface of described substrate is provided with Connection Element, and wherein said Connection Element is electrically connected at the circuit layer of described substrate.

3. Anneta module according to claim 1, it is characterized in that: described at least one lens are a plurality of lens, and it covers respectively described antenna.

4. Anneta module according to claim 3, it is characterized in that: each described lens has an arc chambers, is used for accommodating described antenna.

5. Anneta module according to claim 1, it is characterized in that: described at least one lens are lens, and described lens have a plurality of convex structures, described convex structure is respectively to being positioned at described antenna.

6. Anneta module according to claim 5, it is characterized in that: described lens have a plurality of arc chambers, with respectively corresponding accommodating described antenna.

7. the manufacture method of an Anneta module, it is characterized in that: described manufacture method comprises:

One substrate is provided, and wherein said substrate is embedded with at least one circuit layer and a plurality of phase regulator;

A plurality of antennas are set on described substrate, wherein said phase regulator is circuit layer and the described antenna that is electrically connected at respectively described substrate; And

At least one lens are set on described substrate, and cover described antenna.

8. manufacture method according to claim 7, it is characterized in that: when described lens being set on described substrate the time, the lower surface of described lens is provided with fixedly pin, be used for described lens are inserted in described substrate, after described lens were inserted on the described substrate, the end of described fixedly pin was to expose to outside the lower surface of described substrate.

9. manufacture method according to claim 8 is characterized in that: after described lens are inserted on the described substrate, and the described end of exposing of the described fixedly pin of hot melt.

10. manufacture method according to claim 7 is characterized in that: when described lens being set on described substrate the time, by adhesion layer, described lens are fixed on the described substrate.