Electronic package structure and fabrication method thereof
An electronic package structure is provided, including a substrate with an electronic component, an antenna element and a shielding element disposed on the substrate. The shielding element is positioned between the antenna element and the electronic component to prevent electromagnetic interference (EMI) from occurring between the antenna element and the electronic component. A method for fabricating the electronic package structure is also provided.
1. An electronic package structure, comprising:
a substrate having a surface;
at least one electronic component disposed on the substrate;
an antenna element disposed on the surface of the substrate and electrically connected to the substrate; and
a shielding element disposed on the surface of the substrate and between the antenna element and the electronic component,
wherein the shielding element and the antenna element are arranged side by side in a horizontal direction relative to the surface of the substrate and in contact with the surface of the substrate, and a height of the antenna element is the same as a height of the shielding element.
2. The electronic package structure of claim 1 , wherein the substrate has a circuit electrically connected to the antenna element.
3. The electronic package structure of claim 1 , wherein the substrate has a grounding pad electrically connected to the shielding element.
4. The electronic package structure of claim 1 , wherein the antenna element is a metal frame.
5. The electronic package structure of claim 1 , wherein the shielding element is a metal frame or a metal cover.
6. The electronic package structure of claim 1 , wherein the shielding element is free from being electrically connected to the antenna element.
7. The electronic package structure of claim 1 , wherein the shielding element is electrically connected to the antenna element.
8. The electronic package structure of claim 1 , wherein the shielding element has a plurality of legs spaced apart from one another.
9. The electronic package structure of claim 1 , wherein the shielding element has a wall-shaped leg disposed between the antenna element and the electronic component.
10. The electronic package structure of claim 1 , further comprising an encapsulant formed on the substrate and encapsulating the electronic component, the antenna element and the shielding element.
11. The electronic package structure of claim 10 , wherein a portion of a surface of the antenna element is exposed from the encapsulant.
12. The electronic package structure of claim 11 , wherein the portion of the surface of the antenna element is flush with a surface of the encapsulant.
13. The electronic package structure of claim 10 , wherein a portion of a surface of the shielding element is exposed from the encapsulant.
14. The electronic package structure of claim 13 , wherein the portion of the surface of the shielding element is flush with a surface of the encapsulant.
15. The electronic package structure of claim 10 , further comprising a metal layer formed on the encapsulant.
16. The electronic package structure of claim 15 , wherein the metal layer is electrically connected to at least one of the antenna element and the shielding element.
17. The electronic package structure of claim 15 , wherein the metal layer has separated first and second regions, and wherein the first region is electrically connected to the shielding element, and the second region is electrically connected to the antenna element.
18. The electronic package structure of claim 17 , wherein the second region is formed on at least one of the upper surface of the encapsulant and the side surface of the encapsulant.
19. The electronic package structure of claim 1 , further comprising a connecting portion connecting the antenna element and the shielding element.
20. The electronic package structure of claim 19 , wherein the connecting portion, the antenna element and the shielding element form an open or closed ring-shaped plane.
21. The electronic package structure of claim 19 , further comprising an encapsulant formed on the substrate and encapsulating the electronic component, the antenna element, the connecting portion and the shielding element.
22. The electronic package structure of claim 19 , wherein a portion of a surface of the connecting portion is exposed from the encapsulant.
23. The electronic package structure of claim 22 , wherein the portion of the surface of the connecting portion is flush with a surface of the encapsulant.
24. The electronic package structure of claim 19 , further comprising a supporting portion extending from the antenna element and the shielding element, wherein at least one assisting region is defined on the substrate around an outer periphery of the electronic component, the antenna element and the shielding element with the supporting portion located on the assisting region.
25. The electronic package structure of claim 24 , wherein the shielding element is a metal cover covering the electronic component and a portion of the surface of the substrate.
26. The electronic package structure of claim 1 , wherein the substrate has a circuit layer exposed from a side surface thereof.
27. The electronic package structure of claim 26 , further comprising an encapsulant and a metal layer, wherein the encapsulant is formed on the substrate and encapsulates the electronic component, the antenna element, and the shielding element, and wherein the metal layer is electrically connected to the circuit layer and disposed on at least one of the side surface of the substrate and a side surface of the encapsulant.