Integrated structures of high performance active devices and passive devices
View Patent ↗Integrated structures having high performance CMOS active devices mounted on passive devices are provided. The structure includes an integrated passive device chip having a plurality of through wafer vias, mounted to a ground plane. The structure further includes at least one CMOS device mounted on the integrated passive device chip using flip chip technology and being grounded to the ground plane through the through wafer vias of the integrated passive device chip.
1. A structure comprising:
an integrated passive device chip having a plurality of through wafer vias, mounted to a ground plane; and
at least one CMOS device mounted on the integrated passive device chip using flip chip technology and being grounded to the ground plane through the through wafer vias of the integrated passive device chip.
2. The structure of claim 1 , wherein the through wafer vias extend entirely through the integrated passive device chip.
3. The structure of claim 1 , wherein the through wafer vias are non-insulated through wafer vias.
4. The structure of claim 1 , wherein the integrated passive device chip is positioned between the at least one CMOS device and the ground plane such that the at least one CMOS device is remotely positioned from the ground plane and does not make direct contact thereto.
5. The structure of claim 1 , wherein the through wafer vias are coupled to a metal back plane of the integrated passive device chip.
6. The structure of claim 1 , wherein the ground plane is a package substrate.
7. The structure of claim 1 , further comprising bond pads mounted to the integrated passive device chip and wire bonds leading from the bond pads to signal lines.
8. The structure of claim 7 , wherein the at least one CMOS device is devoid of the bond pads and through wafer vias.
9. The structure of claim 1 , wherein the at least one CMOS device is a shield for devices on the integrated passive device chip.
10. The structure of claim 1 , wherein the at least one CMOS device is at least two CMOS devices.
11. The structure of claim 1 , wherein the integrated passive device chip is a heat sink to the ground plane for the CMOS device.
12. A structure, comprising:
a package substrate;
an integrated passive device chip mounted to the substrate package by a plurality of through wafer vias extending from a top surface to a bottom surface of the integrated passive device chip;
bond pads coupled to the integrated passive device chip and wire bonds leading from the bond pads to signal lines; and
at least one CMOS device mounted on the integrated passive device chip using flip chip technology and being grounded to the ground plane through the integrated passive device chip and electrically connected to the signal lines through the wire bonds extending from the integrated passive device chip.
13. The structure of claim 12 , wherein the through wafer vias extend entirely through the integrated passive device chip.
14. The structure of claim 12 , wherein the through wafer vias are non-insulated through wafer vias.
15. The structure of claim 12 , wherein the at least one CMOS device is mounted to a surface of the integrated passive device chip, opposite of the package substrate.
16. The structure of claim 12 , wherein the through wafer vias are coupled to a metal back plane of the integrated passive device chip.
17. The structure of claim 12 , wherein the package substrate is a ground plane.
18. The structure of claim 12 , wherein the at least one CMOS device is devoid of the bond pads and through wafer vias.
19. The structure of claim 12 , wherein the at least one CMOS device is a shield for devices on the integrated passive device chip.
20. A method of forming a structure, comprising:
forming a plurality of through wafer vias in an integrated passive device chip;
mounting the integrated passive device chip on a ground plane; and
mounting at least one CMOS device with active components on the integrated passive device chip using flip chip technology, the mounting grounds the at least one CMOS device to the ground plane, wherein the at least one CMOS device is mounted to the integrated passive device chip on a surface remote from the ground plane.