Semiconductor device and method of manufacturing thereof
View Patent ↗A semiconductor device and a method of manufacturing a semiconductor device. As a non-limiting example, various aspects of this disclosure provide a semiconductor device comprising one or more conductive shielding members and an EMI shielding layer, and a method of manufacturing thereof.
1. An electronic device comprising:
a signal distribution structure (SDS) having a top SDS side and a bottom SDS side, and at least a first SDS conductive layer;
a first electronic component coupled to the top SDS side and comprising a first component terminal on which a first portion of the first conductive layer is directly formed;
a second electronic component coupled to the top SDS side and comprising a second component terminal on which a second portion of the first conductive layer is directly formed;
a conductive shielding member (CSM) coupled to the top SDS side and positioned directly between the first and second electronic components;
an encapsulating material that covers at least a portion of the top side of the signal distribution structure, at least a portion of lateral sides of the first and second electronic components, and at least a portion of lateral sides of the conductive shielding member; and
an electromagnetic interference (EMI) shield layer on a top side of the encapsulating material and on a top side of the conductive shielding member, wherein the EMI shield layer is electrically coupled to the top side of the conductive shielding member.
2. The electronic device of claim 1 , wherein there is no intervening layer between a bottom side of the first electronic component and the signal distribution structure, and no intervening layer between a bottom side of the second electronic component and the signal distribution structure.
3. The electronic device of claim 1 , wherein:
the conductive shielding member (CSM) comprises a CSM seed layer and a CSM conductive layer plated directly on the CSM seed layer;
a top end of the CSM conductive layer is coplanar with a top side of the encapsulating material; and
a respective surface of each of the first electronic component, the second electronic component, the CSM seed layer, and the encapsulating material are coplanar.
4. The electronic device of claim 1 , wherein:
the conductive shielding member (CSM) comprises a CSM seed layer and a CSM conductive layer plated directly on the CSM seed layer; and
a bottom end of the CSM conductive layer is vertically higher than a bottom side of the first electronic component.
5. The electronic device of claim 1 , wherein no portion of the EMI shield layer is directly between the signal distribution structure (SDS) and the encapsulating material.
6. An electronic device comprising:
a signal distribution structure (SDS) having a top SDS side and a bottom SDS side, and at least a first SDS conductive layer;
a first electronic component coupled to the top SDS side and comprising a first component terminal coupled to the first SDS conductive layer, the first component terminal on a bottom side of the first electronic component;
a second electronic component coupled to the top SDS side and comprising a second component terminal coupled to the first SDS conductive layer, the second component terminal on a bottom side of the second electronic component;
a conductive shielding member (CSM) coupled to the top SDS side and positioned directly between the first and second electronic components, wherein a bottom side of the conductive shielding member is vertically higher than bottom side of the first electronic component;
an encapsulating material that covers at least a portion of the top SDS side, at least a portion of lateral sides of the first and second electronic components, and at least a portion of lateral sides of the conductive shielding member; and
an electromagnetic interference (EMI) shield layer on a top side of the encapsulating material and on a top side of the conductive shielding member, wherein the EMI shield layer is directly coupled to the top side of the conductive shielding member.
7. The electronic device of claim 6 , wherein the conductive shielding member comprises a seed layer coupled directly to the top SDS side.
8. The electronic device of claim 7 , wherein the encapsulating material laterally surrounds the seed layer.
9. The electronic device of claim 6 , wherein the encapsulating material laterally surrounds the entire conductive shielding member.
10. The electronic device of claim 9 , wherein the encapsulating material comprises a molded material that is molded around the conductive shielding member.
11. The electronic device of claim 6 , wherein the signal distribution structure (SDS) comprises a dielectric layer that is deposited directly on the first component terminal and directly on the second component terminal.
12. The electronic device of claim 11 , wherein the dielectric layer is deposited directly on the conductive shielding member (CSM).
13. The electronic device of claim 6 , wherein a top side of the conductive shielding member (CSM) is coplanar with a top side of the encapsulating material.
14. An electronic device comprising:
a signal distribution structure (SDS) having a top SDS side and a bottom SDS side, and at least a first SDS conductive layer;
a first electronic component coupled to the top SDS side and comprising a first component terminal coupled to the first SDS conductive layer by a solderless and adhesiveless connection;
a second electronic component coupled to the top SDS side and comprising a second component terminal coupled to the first SDS conductive layer by a solderless and adhesiveless connection;
a conductive shielding member (CSM) coupled to the top SDS side by a solderless and adhesiveless connection and positioned directly between the first and second electronic components;
an encapsulating material that covers at least a portion of the top SDS side, at least a portion of lateral sides of the first and second electronic components, and at least a portion of lateral sides of the conductive shielding member; and
an electromagnetic interference (EMI) shield layer on a top side of the encapsulating material and on a top side of the conductive shielding member, wherein the EMI shield layer is coupled to the top side of the conductive shielding member.
15. The electronic device of claim 14 , wherein the signal distribution structure (SDS) comprises an SDS dielectric layer that is deposited directly on the first component terminal, directly on the second component terminal, and directly on the conductive shielding member.
16. The electronic device of claim 15 , wherein there is no intervening layer between the SDS dielectric layer and the first electronic component and no intervening layer between the SDS dielectric layer and the second electronic component.
17. The electronic device of claim 14 , wherein the conductive shielding member (CSM) comprises a plurality of metal layers laterally surrounded by the encapsulating material.
18. The electronic device of claim 17 , wherein the plurality of metal layers comprise an electroplating seed layer, and an electroplated metal layer.
19. The electronic device of claim 14 , comprising a second conductive shielding member coupled to the top SDS side and positioned directly between the first and second electronic components.
20. The electronic device of claim 14 , wherein the signal distribution structure (SDS) comprises a plurality of dielectric layers sequentially built up on the first electronic component, on the second electronic component, on the conductive shielding member, and on the encapsulating material.