Three dimensional passive multi-component structures
Stacked arrays of components are disclosed. In one embodiment, a first and a second layer of components are electrically and mechanically coupled to an interposer with an encapsulated third layer of components disposed between the first and second layers. The first layer can be configured to attach the stacked array to a host printed circuit board. The interposer can couple signals between the components on the first and second layers.
1. A vertically stacked integrated array, comprising:
a substrate having a first surface and a second surface, the second surface opposite the first surface;
a first passive component coupled to the first surface;
a support component coupled to the second surface and suitable for mechanical attachment to a host printed circuit board (PCB) such that the support component substantially supports the vertically stacked integrated array on the host PCB, wherein the support component comprises a first discrete terminal and a second discrete terminal, the first discrete terminal configured to electrically couple the support component to an external circuit arranged on the host PCB;
edge plating disposed along a first edge and a second edge of the substrate, the edge plating electrically coupling the first passive component to the second discrete terminal;
a second passive component encapsulated within the substrate, the second passive component disposed between the first edge and the second edge of the substrate; and
an electrically conductive pathway disposed substantially within the substrate, the electrically conductive pathway electrically coupling the second passive component to the support component.
2. The vertically stacked integrated array as recited in claim 1 , wherein the support component is an inductor.
3. The vertically stacked integrated array as recited in claim 1 , wherein the support component is a diode.
4. The vertically stacked integrated array as recited in claim 1 , wherein the support component is a resistor.
5. The vertically stacked integrated array as recited in claim 1 , wherein the support component is a capacitor.
6. The vertically stacked integrated array as recited in claim 1 , wherein the electrically conductive pathway is a via.
7. The vertically stacked integrated array as recited in claim 1 , wherein the second passive component is electrically coupled to the external circuit by way of the electrically conductive pathway and the support component.
8. The vertically stacked integrated array as recited in claim 1 , wherein the first passive component is a high frequency decoupling capacitor, the second passive component is a mid-range decoupling capacitor and the support component is a bulk decoupling capacitor.
9. The vertically stacked integrated array as recited in claim 1 , wherein the first edge is opposite the second edge.
10. The vertically stacked integrated array as recited in claim 1 , wherein the substrate is a PCB.
11. The vertically stacked integrated array as recited in claim 1 , wherein the first passive component, the second passive component, and the support component are electrically coupled in parallel.
12. A vertically stacked integrated array, comprising:
a substrate having a first surface and a second surface, the second surface opposite the first surface;
a first passive component coupled to the first surface;
a plurality of support components coupled to the second surface and suitable for mechanical attachment to a host printed circuit board (PCB) such that the plurality of support components substantially supports the vertically stacked integrated array on the host PCB, wherein each of the support components comprises at least two discrete terminals, and wherein a first discrete terminal of at least one of the support components is configured to be electrically coupled to circuitry of the host PCB;
a first and second conductive edge plate disposed on the substrate, wherein at least one of the first and second conductive edge plates electrically couples the first passive component to a second discrete terminal of the at least one support component;
a second passive component encapsulated within the substrate and disposed between the first and second conductive edge plates; and
an electrically conductive pathway disposed substantially within the substrate, the electrically conductive pathway electrically coupling the second passive component to at least one of the support components.
13. The vertically stacked integrated array as recited in claim 12 , wherein at least one of the support components is selected from the group consisting of a resistor, an inductor, a capacitor and a diode.
14. The vertically stacked integrated array as recited in claim 12 , wherein the plurality of support components are electrically coupled in series.
15. The vertically stacked integrated array as recited in claim 12 , wherein the first passive component, the second passive component, and one or more of the support components are electrically coupled in parallel.
16. The vertically stacked integrated array as recited in claim 12 , wherein the first and second conductive edge plates are disposed on opposite ends of the substrate.
17. The vertically stacked integrated array as recited in claim 12 , wherein the electrically conductive pathway is a via.
18. The vertically stacked integrated array as recited in claim 12 , wherein the second passive component is electrically coupled to the host PCB by way of the electrically conductive pathway and one or more of the support components.
19. The vertically stacked integrated array as recited in claim 12 , wherein the first passive component is a high frequency decoupling capacitor, the second passive component is a mid-range decoupling capacitor and at least one of the support components is a bulk decoupling capacitor.