TW201806237A - Antenna module and method of manufacturing the same, and portable electronic device - Google Patents

Abstract

The prevent invention provides an antenna module and a method of manufacturing the same, and a portable electronic device. The antenna module includes an antenna structure and an electronic structure. The antenna structure includes a radiation body and a conductive coil. One part of the conductive coil is embedded inside the radiation body, and another part of the conductive coil is exposed from the radiation body. The electronic structure includes a circuit substrate disposed on the top side of the radiation body and electrically connected to the conductive coil and an electronic element disposed on the circuit substrate and electrically connected to the circuit substrate. Therefore, it is easy for the antenna structure to output radiation energy due to the partially-exposed conductive coil.

Description

Antenna module and manufacturing method thereof, and portable electronic device

The invention relates to an antenna module and a manufacturing method thereof, and a portable electronic device, in particular to an antenna module applied to a radio frequency identification system or a near field communication system, a manufacturing method thereof and an antenna module mounted therein Group of portable electronic devices.

Mobile phones or any type of mobile communication device have become a portable device for modern people. In the past, the main functions of mobile communication devices were limited to functions such as making calls, sending text messages, or wireless Internet access. However, with the advancement of technology and the convenience of mobile phones, the industry has begun to envision the integration of certain functions required for daily life into mobile phones, such as contactless smart cards. The so-called non-contact smart card is a wafer that is placed in the card by a close-range sensing method. At present, there are many applications for contactless smart cards in daily life, such as contactless credit cards with PayPass TM and VISA WAVE specifications, leisure cards for mass transit systems, iSSH cards with 7-11, and access control with ID identification. Cards and membership cards and more. The above-mentioned smart card can provide users with many very convenient services in daily life. Therefore, all the developers are actively researching and developing the smart card functions with various uses into the mobile phone that everyone will carry with them, so that the original is used for listening. Phone phones can also be used to swipe cards, as e-wallets, to take the mass transit system, or to identify themselves.

The above-mentioned mobile phone with near field communication technology is usually equipped with a near field pass. The antenna, however, the near field communication antenna needs to use the wire to complete the electrical connection of the IC chip, which is time consuming and costly.

The technical problem to be solved by the present invention is to provide an antenna module and a manufacturing method thereof, and a portable electronic device with an antenna module mounted therein.

In order to solve the above technical problem, one of the technical solutions adopted by the present invention is to provide an antenna module including: an antenna structure and an electronic structure. The antenna structure includes a radiating body and a conductive coil. The electronic structure includes a circuit substrate disposed on a top end of the radiation body and electrically connected to the conductive coil, and an electronic component disposed on the circuit substrate and electrically connected to the circuit substrate.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a method for fabricating an antenna module, comprising: first, fabricating an antenna structure, the antenna structure including a radiation body and a conductive coil And then, an electronic structure is formed, the electronic structure including a circuit substrate and an electronic component disposed on the circuit substrate and electrically connected to the circuit substrate; and then placing the electronic structure in the On the top end of the antenna structure, the circuit substrate is disposed on a top end of the radiation body and electrically connected to the conductive coil.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a portable electronic device having an antenna module mounted therein, wherein the antenna module includes: an antenna structure and An electronic structure. The antenna structure includes a radiating body and a conductive coil. The electronic structure includes a circuit substrate disposed on a top end of the radiation body and electrically connected to the conductive coil, and an electronic component disposed on the circuit substrate and electrically connected to the circuit substrate.

An advantageous effect of the present invention is that the technical solution provided by the present invention can be adopted by: "the electronic structure includes a first end disposed on the top of the radiation body and electrically connected a technical feature of the circuit substrate of the conductive coil and an electronic component disposed on the circuit substrate and electrically connected to the circuit substrate, wherein the electronic component is mounted by the antenna structure The antenna module and a portable electronic device with an antenna module mounted therein.

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings.

P‧‧‧Portable electronic device

M‧‧‧Antenna Module

1‧‧‧Antenna structure

10‧‧‧radiation ontology

100‧‧‧Based radiation layer

101‧‧‧First radiation layer

102‧‧‧second radiation layer

1021‧‧‧ first side

1022‧‧‧second side

103‧‧‧ Third radiation layer

1031‧‧‧First side

1032‧‧‧second side

104‧‧‧Top radiation layer

1040‧‧‧ upper surface

11‧‧‧Electrical coil

111‧‧‧First conductive layer

1111‧‧‧First left side surface

1112‧‧‧ first right side surface

112‧‧‧Second conductive layer

1121‧‧‧Second left side surface

1122‧‧‧Second right side surface

113A‧‧‧First conductive connection layer

1130A‧‧‧ first connecting surface

113B‧‧‧Second conductive connection layer

1130B‧‧‧Second connection surface

114A‧‧‧3rd conductive connection layer

1140A‧‧‧ third connecting surface

114B‧‧‧4th conductive connection layer

1140B‧‧‧Four connection surface

115A‧‧‧First Conductive Extension

1150A‧‧‧First extended surface

115B‧‧‧Second conductive extension layer

1150B‧‧‧Second extension surface

116A‧‧‧5th conductive connection layer

116B‧‧‧6th conductive connection layer

117A‧‧‧first extraction electrode

1170A‧‧‧First electrode surface

117B‧‧‧second extraction electrode

1170B‧‧‧Second electrode surface

2‧‧‧Electronic structure

20‧‧‧ circuit board

200‧‧‧Electrical contacts

21‧‧‧Electronic components

1 is a flow chart of a method for fabricating an antenna module in which an electronic component is mounted by an antenna structure according to the present invention.

2 is a perspective view showing the antenna structure of the antenna module of the present invention.

3 is a cross-sectional view showing the antenna structure of the antenna module of the present invention.

4 is a perspective view of a conductive coil of an antenna structure of an antenna module of the present invention.

FIG. 5 is a perspective view of the electronic structure of the antenna module of the present invention.

FIG. 6 is a perspective view of an antenna module in which an electronic component is mounted by an antenna structure according to the present invention.

FIG. 7 is a functional block diagram of a portable electronic device with an antenna module installed therein according to the present invention.

The following is a specific embodiment to illustrate an embodiment of the present invention relating to an "antenna module and a method for fabricating the same, and a portable electronic device with an antenna module mounted therein", which can be used by those skilled in the art. The disclosure discloses the advantages and effects of the present invention. The present invention may be carried out or applied in various other specific embodiments, and various modifications and changes can be made without departing from the spirit and scope of the invention. In addition, the drawings of the present invention are merely illustrative and are not intended to be construed in terms of actual dimensions. The following embodiments will further explain the related technical content of the present invention, but the disclosure is not intended to limit the technical scope of the present invention.

Referring to FIG. 1 to FIG. 6 , the present invention provides a method for fabricating an antenna module M, which includes: first, an antenna structure 1 is formed as shown in FIG. 1 and FIG. 2 , and the antenna structure 1 includes a radiation body. 10 and a conductive coil 11, wherein a part of the conductive coil 11 is buried in the radiation body 10, and another part of the conductive coil 11 is exposed outside the radiation body 10 (S100); and then, as shown in FIG. 1 and FIG. An electronic structure 2 is formed. The electronic structure 2 includes a circuit substrate 20 and an electronic component 21 (S102) disposed on the circuit substrate 20 and electrically connected to the circuit substrate 20, wherein the bottom end of the circuit substrate 20 has a plurality of Conductive contact 200; then, as shown in FIG. 1 and FIG. 6, the electronic structure 2 is placed on the top end of the antenna structure 1 to complete the fabrication of an antenna module M in which the electronic component 21 is mounted by an antenna structure, wherein the circuit The substrate 20 is disposed on the top end of the radiation body 10 and electrically connected to the conductive coil 11 through a plurality of conductive contacts 200 (S104). For example, according to different design requirements, the inductance value provided by the antenna module M can be adjusted by the magnetic permeability of the radiation body 10 and the number of turns of the conductive coil 11, and the resistance value provided by the antenna module M can be electrically conductive. The line width of the coil 11 is adjusted.

It should be noted that since the antenna structure 1 and the electronic structure 2 can be separately manufactured, the fabrication of the antenna structure 1 and the electronic structure 2 can be completed separately under the condition of using the original processing equipment or processing method, which can effectively reduce The manufacturing cost and the flexibility of the antenna structure 1 and the electronic structure 2 are matched. For example, the electronic structure 2 can be directly attached to the antenna structure 1, so that the overall volume of the antenna module M can be effectively reduced.

Accordingly, the present invention provides an antenna module M including an antenna structure 1 and an electronic structure 2 as shown in FIG. 2, FIG. 5 and FIG. First, the antenna structure 1 includes a radiating body 10 and a conductive coil 11 in which a portion of the conductive coil 11 is buried within the radiating body 10, and another portion of the conductive coil 11 is exposed outside the radiating body 10. In addition, the electronic structure 2 includes a circuit substrate 20 disposed on the top end of the radiation body 10 and electrically connected to the conductive coil 11 , and a circuit board 20 disposed on the circuit substrate 20 and electrically connected to the circuit substrate through the plurality of conductive contacts 200 . 20 electronic component 21. For example, the electronic component 21 can be any kind of IC chip, and the antenna module M can be applied to a Radio Frequency Identification (RFID) or a Near Field Communication (NFC) system.

It is worth noting that most of the conductive coils 11 are buried in the radiation body 10, so that most of the conductive coils 11 can be protected by the radiation body 10 to improve the environmental tolerance of the conductive coils 11 and improve The overall reliability of the antenna structure 1. In addition, since another portion of the conductive coil 11 can be exposed outside the radiation body 10, the radiant energy of the antenna structure 1 can be made to be easily emitted.

Further, as shown in FIG. 2 to FIG. 4, the radiation body 10 includes a base radiation layer 100, a first radiation layer 101 disposed on the base radiation layer 100, and a first radiation layer 101. The second radiation layer 102, a third radiation layer 103 disposed on the second radiation layer 102, and a top radiation layer 104 disposed on the third radiation layer 103. That is, the base radiation layer 100, the first radiation layer 101, the second radiation layer 102, the third radiation layer 103, and the top radiation layer 104 may be connected to each other as a single radiation body 10. In addition, the radiation body 10 may be made of a magnetic conductive material or a dielectric material, for example, a magnetic conductive material may be mainly composed of a transition element of iron, cobalt, nickel, an alloy thereof, or the like, and capable of directly or indirectly generating a magnetic substance. For example, the base radiation layer 100 has a substrate magnetic permeability μ4, the first radiation layer 101 has a first magnetic permeability μ1, the second radiation layer 102 has a second magnetic permeability μ2, and the third radiation layer 103 has a third. The magnetic permeability μ3, the top radiation layer 104 has a top magnetic permeability μ5, and the first magnetic permeability μ1, the second magnetic permeability μ2, and the third magnetic permeability μ3 are both larger than the substrate magnetic permeability μ4 and the top magnetic permeability μ5, wherein The magnetic permeability may range from 1 ≦μ1, μ2, μ3, μ4, and μ5≦100.

It should be noted that when the magnetic permeability used for the substrate permeability μ4 and the tip permeability μ5 is very low, for example, μ4=1 and μ5=1, all of the conductive coils 11 may be buried in the radiation body 10. In this way, the radiant energy of the antenna structure 1 (or the energy of the radiating body 10) can be easily emitted. The advantages.

Further, as shown in FIG. 2 to FIG. 4, the conductive coil 11 includes a plurality of first conductive layers 111 connected between the first radiation layer 101 and the second radiation layer 102, and a plurality of connected to the second radiation layer. a second conductive layer 112 between the 102 and the third radiation layer 103, a plurality of first conductive connection layers 113A connected to a first side end 1021 of the second radiation layer 102, and a plurality of connected to the second radiation layer 102. a second conductive connection layer 113B of the second side end 1022, at least one third conductive connection layer 114A connected to a first side end 1031 of the third radiation layer 103, and at least one first connection to the third radiation layer 103 a fourth conductive connecting layer 114B of the two side ends 1032, at least one first conductive extending layer 115A disposed on the third radiating layer 103 and electrically connected to the at least one third conductive connecting layer 114A, at least one disposed on the third radiation The second conductive extension layer 115B on the layer 103 and electrically connected to the at least one fourth conductive connection layer 114B, the at least one fifth conductive connection layer 116A electrically connected to the at least one first conductive extension layer 115A, at least one electrical a sixth conductive connection layer connected to the at least one second conductive extension layer 115B 116B, at least one first extraction electrode 117A electrically connected to at least one fifth conductive connection layer 116A and partially exposed from the top radiation layer 104, and at least one electrically connected to the at least one sixth conductive connection layer 116B and from the top end The second extraction electrode 117B is partially exposed by the radiation layer 104. In addition, each of the first conductive connection layers 113A is electrically connected between the corresponding first conductive layer 111 and the corresponding second conductive layer 112, and each of the second conductive connection layers 113B is electrically connected to the corresponding first Between a conductive layer 111 and a corresponding second conductive layer 112, at least one third conductive connection layer 114A is electrically connected between the corresponding first conductive connection layer 113A and at least one first conductive extension layer 115A, and The at least one fourth conductive connection layer 114B is electrically connected between the corresponding second conductive connection layer 113B and the at least one second conductive extension layer 115B. In addition, as shown in FIG. 3 to FIG. 6 , the two conductive contacts 200 of the circuit substrate 20 can be electrically connected to the at least one first extraction electrode 117A and the at least one second extraction electrode 117B, respectively.

Further, in conjunction with FIG. 2 to FIG. 4, each of the first conductive layers 111 Each of the second conductive layers 112 has a second left surface 1121. Each of the first conductive connection layers 113A has a first connection surface 1130A, and at least one third conductive connection layer 114A has a first surface. The third connection surface 1140A, the at least one first conductive extension layer 115A has a first extension surface 1150A, and the first left side surface 1111, the first connection surface 1130A, the second left side surface 1121, the third connection surface 1140A, and the first extension surface The 1150A will be in line with each other. In addition, each of the first conductive layers 111 has a first right side surface 1112 disposed opposite to the first left side surface 1111, and each of the second conductive layers 112 has a second right side surface 1122 opposite to the second left side surface 1121. Each of the second conductive connection layers 113B has a second connection surface 1130B, at least one fourth conductive connection layer 114B has a fourth connection surface 1140B, and at least one second conductive extension layer 115B has a second extension surface 1150B, and A right side surface 1112, a second connecting surface 1130B, a second right side surface 1122, a fourth connecting surface 1140B, and a second extending surface 1150B are aligned with each other. In addition, at least one first extraction electrode 117A has a first electrode surface 1170A, at least one second extraction electrode 117B has a second electrode surface 1170B, and the first electrode surface 1170A, the second electrode surface 1170B, and the top radiation layer 104 The upper surfaces 1040 are aligned with each other.

It is to be noted that, in conjunction with FIG. 6 and FIG. 7 , the present invention further provides a portable electronic device P, and an antenna module M is mounted inside the portable electronic device P. First, the antenna module M includes an antenna structure 1 and an electronic structure 2. The antenna structure 1 includes a radiating body 10 and a conductive coil 11. A portion of the conductive coil 11 is buried within the radiation body 10, and another portion of the conductive coil 11 is exposed outside the radiation body 10. In addition, the electronic structure 2 includes a circuit substrate 20 disposed on the top end of the radiation body 10 and electrically connected to the conductive coil 11 and an electronic component 21 disposed on the circuit substrate 20 and electrically connected to the circuit substrate 20.

[Advantageous Effects of Embodiments]

In summary, the beneficial effects of the present invention are that the technical party provided by the present invention The electronic structure 2 includes a circuit substrate 20 disposed on the top end of the radiation body 10 and electrically connected to the conductive coil 11 and an electronic component 21 disposed on the circuit substrate 20 and electrically connected to the circuit substrate 20 According to the technical feature, an antenna module M in which the electronic component 21 is mounted by the antenna structure 1 and a portable electronic device P in which the antenna module M is mounted are manufactured.

Furthermore, since the antenna structure 1 and the electronic structure 2 can be separately manufactured, the fabrication of the antenna structure 1 and the electronic structure 2 can be completed separately under the condition of using the original processing equipment or processing method, which can effectively reduce The manufacturing cost and the flexibility of the antenna structure 1 and the electronic structure 2 are matched. For example, the electronic structure 2 can be directly attached to the antenna structure 1, so that the overall volume of the antenna module M can be effectively reduced.

Furthermore, most of the conductive coils 11 are buried in the radiation body 10, so that most of the conductive coils 11 can be protected by the radiation body 10 to improve the environmental tolerance of the conductive coils 11 and improve The overall reliability of the antenna structure 1. In addition, since another portion of the conductive coil 11 can be exposed outside the radiation body 10, the radiant energy of the antenna structure 1 can be made to be easily emitted.

The above disclosure is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, equivalent technical changes made by using the present specification and the contents of the drawings are included in the application of the present invention. Within the scope of the patent.

M‧‧‧Antenna Module

1‧‧‧Antenna structure

10‧‧‧radiation ontology

11‧‧‧Electrical coil

2‧‧‧Electronic structure

20‧‧‧ circuit board

200‧‧‧Electrical contacts

21‧‧‧Electronic components

Claims (10)

An antenna module includes: an antenna structure including a radiation body and a conductive coil; and an electronic structure, the electronic structure including a top portion of the radiation body and electrically connected to a circuit substrate of the conductive coil and an electronic component disposed on the circuit substrate and electrically connected to the circuit substrate. The antenna module of claim 1, wherein a part of the conductive coil is buried in the radiation body, and another part of the conductive coil is exposed outside the radiation body, wherein the radiation The body includes a base radiation layer, a first radiation layer disposed on the base radiation layer, a second radiation layer disposed on the first radiation layer, and a first radiation layer disposed on the second radiation layer a third radiation layer and a top radiation layer disposed on the third radiation layer, and the radiation body is made of a magnetic conductive material or a dielectric material, wherein the base radiation layer has a substrate magnetic permeability, The first radiation layer has a first magnetic permeability, the second radiation layer has a second magnetic permeability, the third radiation layer has a third magnetic permeability, and the top radiation layer has a top magnetic permeability, and The first magnetic permeability, the second magnetic permeability, and the third magnetic permeability are both greater than the substrate permeability and the tip permeability. The antenna module of claim 2, wherein the conductive coil comprises a plurality of first conductive layers connected between the first radiation layer and the second radiation layer, and a plurality of connected to the first a second conductive layer between the second radiation layer and the third radiation layer, a plurality of first conductive connection layers connected to a first side end of the second radiation layer, and a plurality of connected to the second radiation layer a second conductive connection layer at a second side end, at least one third conductive connection layer connected to a first side end of the third radiation layer, and at least one second side end connected to the third radiation layer The fourth conductive connection layer is disposed on the third radiation layer and electrically connected to at least one a first conductive extension layer of the third conductive connection layer, at least one second conductive extension layer disposed on the third radiation layer and electrically connected to the at least one fourth conductive connection layer, and at least one electrical property a fifth conductive connection layer connected to the at least one first conductive extension layer, at least one sixth conductive connection layer electrically connected to the at least one second conductive extension layer, at least one electrically connected to the at least one a first conductive connection layer and a first extraction electrode exposed from the top radiation layer portion and at least one electrically connected to the at least one of the sixth conductive connection layer and exposed from the top radiation layer portion a second extraction electrode, wherein each of the first conductive connection layers is electrically connected between the corresponding first conductive layer and the corresponding second conductive layer, and each of the second conductive connection layers Electrically connecting between the corresponding first conductive layer and the corresponding second conductive layer, the at least one third conductive connection layer being electrically connected to the corresponding first conductive connection layer and at least one The first conductive extension The at least one fourth conductive connection layer is electrically connected between the corresponding second conductive connection layer and the at least one second conductive extension layer, and the circuit substrate is electrically connected to the at least one first The extraction electrode and the at least one second extraction electrode. The antenna module of claim 3, wherein each of the first conductive layers has a first left side surface, and each of the second conductive layers has a second left side surface, each of the first conductive layers The connection layer has a first connection surface, at least one of the third conductive connection layers has a third connection surface, at least one of the first conductive extension layers has a first extension surface, and the first left side surface The first connecting surface, the second left surface, the third connecting surface, and the first extending surface are aligned with each other, wherein each of the first conductive layers has a reverse opposite to the first left surface a first right side surface, each of the second conductive layers having a second right side surface opposite to the second left side surface, each of the second conductive connection layers having a second connection surface, at least one The fourth conductive connection layer has a fourth connection surface, at least one of the second conductive extension layers has a second extension surface, and the first right side surface, the first The second connecting surface, the second right surface, the fourth connecting surface and the second extending surface are aligned with each other, wherein at least one of the first extraction electrodes has a first electrode surface and at least one second lead The electrode has a second electrode surface, and the first electrode surface, the second electrode surface, and the top surface of the tip radiation layer are aligned with each other. A method for fabricating an antenna module, comprising: fabricating an antenna structure, the antenna structure including a radiation body and a conductive coil; and fabricating an electronic structure, the electronic structure including a circuit substrate and a An electronic component on the circuit substrate and electrically connected to the circuit substrate; and placing the electronic structure on a top end of the antenna structure, wherein the circuit substrate is disposed on a top end of the radiation body and electrically Connected to the conductive coil. The method of manufacturing the antenna module of claim 5, wherein a part of the conductive coil is buried in the radiation body, and another part of the conductive coil is exposed outside the radiation body, wherein The inductance value of the antenna module can be adjusted by the magnetic permeability of the radiation body and the number of turns of the conductive coil, and the resistance of the antenna module can be adjusted by the line width of the conductive coil. A portable electronic device is internally mounted with an antenna module, wherein the antenna module includes: an antenna structure, the antenna structure includes a radiation body and a conductive coil; and an electronic structure, The electronic structure includes a circuit substrate disposed on a top end of the radiation body and electrically connected to the conductive coil, and an electronic component disposed on the circuit substrate and electrically connected to the circuit substrate. The portable electronic device of claim 7, wherein the conductive coil a portion of the conductive body is buried in the radiation body, and another portion of the conductive coil is exposed outside the radiation body, wherein the radiation body includes a base radiation layer, and a first portion disposed on the base radiation layer a radiation layer, a second radiation layer disposed on the first radiation layer, a third radiation layer disposed on the second radiation layer, and a top radiation layer disposed on the third radiation layer And the radiation body is made of a magnetic conductive material or a dielectric material, wherein the base radiation layer has a substrate magnetic permeability, the first radiation layer has a first magnetic permeability, and the second radiation layer Having a second magnetic permeability, the third radiation layer has a third magnetic permeability, the top radiation layer has a top magnetic permeability, and the first magnetic permeability, the second magnetic permeability, and the third All of the magnetic permeability are greater than the substrate permeability and the tip permeability. The portable electronic device of claim 8, wherein the conductive coil comprises a plurality of first conductive layers connected between the first radiation layer and the second radiation layer, and a plurality of connected a second conductive layer between the second radiation layer and the third radiation layer, a plurality of first conductive connection layers connected to a first side end of the second radiation layer, and a plurality of connected to the second a second conductive connection layer of a second side end of the radiation layer, at least one third conductive connection layer connected to a first side end of the third radiation layer, and at least one second connected to the third radiation layer a fourth conductive connection layer at the side end, at least one first conductive extension layer disposed on the third radiation layer and electrically connected to the at least one third conductive connection layer, at least one disposed on the third radiation layer a second conductive extension layer electrically connected to the at least one fourth conductive connection layer, and at least one fifth conductive connection layer electrically connected to the at least one first conductive extension layer, at least one electrically connected to a sixth conductive connection layer of at least one of the second conductive extension layers And at least one first extraction electrode electrically connected to the at least one fifth conductive connection layer and exposed from the top radiation layer portion and at least one electrically connected to the at least one sixth conductive connection layer a second extraction electrode in which the top radiation layer portion is exposed, wherein each of the first conductive connection layers is electrically connected to the corresponding first conductive layer and Between the corresponding second conductive layers, each of the second conductive connection layers is electrically connected between the corresponding first conductive layer and the corresponding second conductive layer, at least one The third conductive connection layer is electrically connected between the corresponding first conductive connection layer and the at least one first conductive extension layer, and the at least one fourth conductive connection layer is electrically connected to the corresponding second conductive layer The circuit board is electrically connected to the at least one first extraction electrode and the at least one second extraction electrode. The portable electronic device of claim 9, wherein each of the first conductive layers has a first left side surface, and each of the second conductive layers has a second left side surface, each of the An electrically conductive connection layer has a first connection surface, at least one of the third electrically conductive connection layers has a third connection surface, at least one of the first electrically conductive extension layers has a first extension surface, and the first left side surface The first connecting surface, the second left surface, the third connecting surface, and the first extending surface are aligned with each other, wherein each of the first conductive layers has a first left side a first right side surface disposed opposite to each other, each of the second conductive layers having a second right side surface disposed opposite to the second left side surface, each of the second conductive connection layers having a second connection surface At least one of the fourth conductive connection layers has a fourth connection surface, at least one of the second conductive extension layers has a second extension surface, and the first right side surface, the second connection surface, the The second right side surface, the fourth connecting surface and the second extending surface are aligned with each other, wherein at least one of the first extraction electrodes has a first electrode surface, and at least one of the second extraction electrodes has a second electrode a surface, and the first electrode surface, the second electrode surface, and the top surface of the tip radiation layer are aligned with each other.