Compliant printed circuit semiconductor package
A package for at least one semiconductor device and a method for making the package. At least one dielectric layer is selectively printed on at least a portion of the semiconductor device creating first recesses aligned with a plurality of the electrical terminals. A conductive material is printed in the first recesses forming contact members on the semiconductor device. At least one dielectric layer is selectively printed on at least a portion of the package to create a plurality of second recesses corresponding to a target circuit geometry. A conductive material is printed in at least a portion of the second recesses to create a circuit geometry. The circuit geometry includes a plurality of exposed terminals electrically coupled to the electric terminals on the semiconductor device.
1. A package for a semiconductor device having electrical terminals, the package comprising:
a substrate including at least one semiconductor device;
a first dielectric layer selectively printed on at least a portion of the semiconductor device comprising first recesses aligned with a plurality of the electrical terminals;
a conductive material printed in the first recesses forming contact members on the semiconductor device;
a second dielectric layer selectively printed on at least a portion of the first dielectric layer comprising second recesses aligned with a plurality of the first recesses;
a conductive material printed in at least a portion of the second recesses comprising a circuit geometry;
a third dielectric layer selectively printed on at least a portion of the second dielectric layer comprising third recesses aligned with a portion of the circuit geometry;
a conductive material printed in the third recesses comprising a plurality of exposed terminals that are offset from, and electrically coupled to the electric terminals on the semiconductor device by the circuit geometry; and
a compliant material deposited in recesses in one or more of the first, second or third dielectric layers adjacent to a plurality of the exposed terminals to permit the exposed terminals to move within the dielectric layers relative to the substrate.
2. The package of claim 1 comprising a conductive plating layer on one or more of the contact members, the exposed terminals, and the circuit geometry.
3. The package of claim 1 wherein the conductive material comprises one of sintered conductive particles or a conductive ink.
4. The package of claim 1 comprising a compliant material located between the exposed terminals and the substrate.
5. The package of claim 1 comprising at least one printed electrical device on one of a dielectric layer or the substrate and electrically coupled to at least a portion of the circuit geometry.
6. The package of claim 1 wherein the exposed terminals extend above the package.
7. The package of claim 1 comprising a plurality of vias electrically coupling adjacent layers of the circuit geometry.
8. The package of claim 1 comprising:
at least one external dielectric layer extending beyond the package; and
external routing on the external dielectric layer electrically coupled to a portion of the circuit geometry.
9. The package of claim 1 comprising a plurality of semiconductor devices received by the substrate, wherein the circuit geometry comprises at least one of an inter-die circuit path or an intra-die circuit paths.
10. The package of claim 1 comprising:
at least two vertically stacked semiconductor devices; and
a plurality of through silicon vias electrically coupling at least two of the stacked semiconductor devices.
11. The package of claim 1 comprising a plurality of semiconductor devices receive by the substrate and electrically coupled by the circuit geometry.
12. The package of claim 1 wherein conductive traces in the circuit geometry comprise substantially rectangular cross-sectional shapes.
13. The package of claim 1 wherein a conductive material, a non-conductive material, and a semi-conductive material are printed on a single layer.
14. An electrical assembly comprising:
the package of claim 1 ; and
a circuit member with a plurality of contact pads electrically coupled to the exposed terminals on the package.
15. The electrical interconnect assembly of claim 14 wherein the circuit member is selected from one of a dielectric layer, a printed circuit board, a flexible circuit, a bare die device, an integrated circuit device, organic or inorganic substrates, or a rigid circuit.
16. A package for a semiconductor device having electrical terminals, the package comprising:
at least one first dielectric layer selectively printed directly on at least a portion of the semiconductor device creating first recesses aligned with a plurality of the electrical terminals;
a conductive material located in the first recesses forming contact members that are electrically coupled to the electric terminals on the semiconductor device;
at least one second dielectric layer selectively printed on at least one first dielectric layer to create a plurality of second recesses corresponding to a target circuit geometry;
a conductive material located in at least a portion of the second recesses comprising circuit geometry located on the semiconductor device, the circuit geometry comprising a plurality of exposed terminals that are offset from, and electrically coupled to the contact members by the circuit geometry; and
a compliant material deposited in additional recesses in one or more of the first or second dielectric layers adjacent to a plurality of the exposed terminals, wherein the complaint material permits the exposed terminals to move within the dielectric layers relative to the substrate.
17. The package of claim 16 comprising:
a substrate supporting the semiconductor device; and
encapsulating material retaining the semiconductor device to the substrate, whereby the semiconductor device is electrically accessible via the exposed terminals.
18. The package of claim 1 wherein the resilient material permits the exposed terminal to move relative to the substrate.
19. The package of claim 1 wherein the resilient material permits the exposed terminal to move in at least three degrees of freedom relative to the substrate.