Shielded device packages having antennas and related fabrication methods
Shielded device packages and related fabrication methods are provided. An exemplary device package includes one or more electrical components, a molding compound overlying the one or more electrical components, a conductive interconnect structure within the molding compound, a conductive frame structure laterally surrounding the one or more electrical components and the interconnect structure, and a shielding structure overlying the one or more electrical components. The shielding structure is electrically connected to the frame structure and at least a portion of the molding compound resides between the shielding structure and the one or more electrical components.
1. A device package comprising:
one or more electrical components;
a molding compound overlying the one or more electrical components;
a conductive interconnect structure within the molding compound; a conductive frame structure laterally surrounding the one or more electrical components and the interconnect structure; and
a shielding structure overlying the one or more electrical components, wherein:
the shielding structure is electrically connected to the frame structure;
at least a portion of the molding compound resides between the shielding structure and the one or more electrical components;
the shielding structure contacts a first surface of the frame structure; and
the first surface of the frame structure is aligned with a second surface of the portion of the molding compound.
2. The device package of claim 1 , wherein a third surface of the interconnect structure is aligned with the first surface and the second surface.
3. The device package of claim 1 , wherein the shielding structure comprises a planar structure having an opening aligned with the interconnect structure.
4. The device package of claim 1 , wherein an intermediate portion of the frame structure resides between the interconnect structure and the one or more electrical components.
5. The device package of claim 4 , the intermediate portion of the frame structure defining a first enclosed region and a second enclosed region, wherein:
the interconnect structure resides within the first enclosed region; and
the one or more electrical components reside within the second enclosed region.
6. The device package of claim 1 , wherein the shielding structure contacts the frame structure.
7. The device package of claim 1 , wherein the interconnect structure is electrically isolated from the shielding structure.
8. The device package of claim 1 , wherein:
the shielding structure includes an opening concentrically aligned with the interconnect structure; and
a circumference of the opening is greater than a circumference of the interconnect structure.
9. The device package of claim 1 , further comprising an antenna structure overlying the shielding structure, wherein the antenna structure is electrically connected to the interconnect structure.
10. The device package of claim 9 , further comprising a dielectric material overlying the shielding structure, wherein the antenna structure overlies the dielectric material.
11. The device package of claim 10 , further comprising a via within the dielectric material, the via overlying the interconnect structure, wherein the antenna structure is electrically coupled to the via.
12. The device package of claim 1 , further comprising:
a routing structure, wherein the one or more electrical components, the frame structure, the interconnect structure, and the molding compound overlie the routing structure; and
a connection structure to receive a reference voltage, wherein the routing structure provides a first electrical connection between the connection structure and the frame structure.
13. The device package of claim 12 , further comprising an antenna structure overlying the shielding structure, wherein:
the antenna structure is electrically connected to the interconnect structure; and
the interconnect structure provides a second electrical connection between the routing structure and the antenna structure.
14. The device package of claim 1 , wherein:
a second portion of the molding compound resides laterally between the frame structure and the one or more electrical components; and
the frame structure resides laterally between the second portion of the molding compound and a third portion of the molding compound.
15. A method of fabricating a device package, the method comprising:
providing a frame structure circumscribing one or more electrical components, the frame structure having a first surface;
forming a molding compound overlying the one or more electrical components, the molding compound having a second surface aligned with the first surface, wherein a first portion of the molding compound resides between the frame structure and the one or more electrical components;
forming an interconnect structure within the molding compound, the frame structure circumscribing the interconnect structure; and
providing a shielding structure overlying the one or more electrical components, wherein the shielding structure is electrically connected to the frame structure and a second portion of the molding compound resides between the one or more electrical components and the shielding structure.
16. The method of claim 15 , further comprising forming an antenna structure overlying the shielding structure, wherein the antenna structure is electrically connected to the interconnect structure.
17. The method of claim 16 , further comprising:
forming a dielectric layer overlying the shielding structure and the interconnect structure; and
forming a conductive via within the dielectric layer, the conductive via contacting at least a portion of the interconnect structure, wherein forming the antenna structure comprises forming a conductive material on the dielectric layer, the conductive material being patterned to provide an electrical connection to the conductive via.
18. The method of claim 16 , further comprising:
forming a routing structure on the frame structure and the one or more electrical components; and
forming a connection interface for receiving a ground reference voltage on the routing structure, wherein the routing structure is configured to provide a first electrical connection between the interconnect structure and an interface of an electrical component of the one or more electrical components and a second electrical connection between the frame structure and the connection interface.
19. A device package comprising:
one or more electrical components;
a molding compound overlying the one or more electrical components, the molding compound having a planar upper surface;
a conductive interconnect structure within the molding compound, the interconnect structure having a first surface aligned with the planar upper surface of the molding compound;
a conductive frame structure circumscribing the one or more electrical components and the interconnect structure, the frame structure having a second surface aligned with the planar upper surface of the molding compound, at least a first portion of the molding compound residing laterally between the frame structure and the one or more electrical components and a second portion of the molding compound circumscribes the frame structure;
a shielding structure overlying the one or more electrical components, the shielding structure contacting the second surface of the frame structure and at least a third portion of the molding compound residing between the shielding structure and the one or more electrical components; and
an antenna structure overlying the shielding structure, wherein the antenna structure is electrically coupled to the interconnect structure.