Electronic device assemblies including conductive vias having two or more conductive elements
View Patent ↗Electronic devices include a substrate with first and second pairs of conductive traces extending in or on the substrate. A first conductive interconnecting member extends through a hole in the substrate and communicates electrically with a first trace of each of the first and second pairs, while a second conductive interconnecting member extends through the hole and communicates electrically with the second trace of each of the first and second pairs. The first and second interconnecting members are separated from one another by a distance substantially equal to a distance separating the conductive traces in each pair. Electronic device assemblies include a transmitting device configured to transmit a differential signal through a conductive structure to a receiving device. The conductive structure includes first and second pair of conductive traces with first and second interconnecting members providing electrical communication therebetween.
1. An electronic device assembly, comprising:
a substrate comprising electrically insulating material;
a first interconnecting member comprising electrically conductive material and extending from a first plane on or in the substrate to a second plane on or in the substrate, the second plane offset from the first plane;
a second interconnecting member comprising electrically conductive material and extending from a third plane on or in the substrate to a fourth plane on or in the substrate, the fourth plane offset from the third plane, wherein at least a portion of the second interconnecting member is positioned between portions of the first interconnecting member;
a first trace comprising electrically conductive material extending in the first plane and electrically coupled to the first interconnecting member;
a second trace comprising electrically conductive material extending in the third plane and electrically coupled to the second interconnecting member, the second trace being separated from the first trace by a distance that is at least substantially equal to a distance separating the first interconnecting member from the second interconnecting member, wherein the first plane is offset from the third plane;
a first dielectric material disposed between the first interconnecting member and the second interconnecting member; and
a second dielectric material disposed between the first trace and the second trace, the second dielectric material exhibiting a dielectric constant that is different from a dielectric constant of the first dielectric material.
2. The electronic device assembly of claim 1 , further comprising a third trace comprising electrically conductive material extending in the second plane and electrically coupled to the first interconnecting member.
3. The electronic device assembly of claim 1 , further comprising a fourth trace comprising electrically conductive material extending in the fourth plane and electrically coupled to the second interconnecting member.
4. The electronic device assembly of claim 1 , further comprising:
a third trace comprising electrically conductive material extending in the second plane and electrically coupled to the first interconnecting member; and
a fourth trace comprising electrically conductive material extending in the fourth plane and electrically coupled to the second interconnecting member.
5. The electronic device assembly of claim 4 , wherein the second plane is offset from the fourth plane.
6. The electronic device assembly of claim 4 , wherein the third trace and the fourth trace extend at least substantially in parallel to the first trace and the second trace.
7. The electronic device assembly of claim 1 , wherein:
the first interconnecting member has a substantially hollow cylindrical shape; and
the second interconnecting member having a substantially solid cylindrical shape.
8. The electronic device assembly of claim 6 , wherein the first trace extends vertically over each of the second trace, the third trace, and the fourth trace along at least a portion of lengths of the second trace, the third trace, and the fourth trace.
9. An electronic device, comprising:
an electrically conductive first trace extending in a first plane;
an electrically conductive second trace extending at least substantially in parallel to the electrically conductive first trace in a third plane offset from the first plane;
an electrically conductive first interconnecting member electrically coupled to the electrically conductive first trace, and extending away from the first plane at least partially through a substrate to a second plane on or in the substrate, the second plane offset from the first plane, the substrate comprising electrically insulating material;
an electrically conductive second interconnecting member electrically coupled to the second trace and extending away from the third plane at least partially through the substrate to a fourth plane on or in the substrate, the fourth plane offset from the third plane, the second interconnecting member being separated from the first interconnecting member by a distance that is at least substantially equal to a distance separating the first trace from the second trace, wherein at least a portion of the second interconnecting member is positioned between portions of the first interconnecting member;
a first dielectric material disposed between the first interconnecting member and the second interconnecting member; and
a second dielectric material disposed between the first trace and the second trace, the second dielectric material exhibiting a dielectric constant that is different from a dielectric constant of the first dielectric material.
10. The electronic device of claim 9 , wherein the electrically conductive second interconnecting member comprises a solid cylindrical conductive structure extending from the second trace away from the third plane.
11. The electronic device of claim 9 , wherein the electrically conductive first interconnecting member comprises a hollow cylindrical conductive structure extending from the first trace away from the first plane.
12. The electronic device of claim 11 , wherein the electrically conductive second interconnecting member extends completely through the hollow cylindrical conductive structure of the electrically conductive first interconnecting member.
13. The electronic device of claim 9 , wherein the electrically conductive first interconnecting member and the electrically conductive second interconnecting member are coaxially arranged.
14. The electronic device of claim 9 , further comprising:
an electrically conductive third trace extending in a second plane, the electrically conductive third trace operably coupled to the electrically conductive first interconnecting member; and
an electrically conductive fourth trace extending in a fourth plane at least substantially in parallel to the electrically conductive third trace, the electrically conductive fourth trace operably coupled to the electrically conductive second interconnecting member.
15. The electronic device of claim 14 , wherein the second plane is offset from the fourth plane.
16. The electronic device of claim 14 , wherein a distance between the electrically conductive second trace and the electrically conductive fourth trace is at least substantially equal to the distance separating the electrically conductive second interconnecting member from the electrically conductive first interconnecting member.
17. An electronic device assembly, comprising:
a substrate comprising electrically insulating material;
a first pair of conductive traces, a first trace of the first pair of conductive traces extending in a first plane on or in the substrate offset from a third plane on or in the substrate, a second trace of the first pair of conductive traces extending in the third plane at least substantially in parallel to the first trace of the first pair of conductive traces at a distance from the first trace of the first pair of conductive traces;
a second pair of conductive traces, a first trace of the second pair of conductive traces extending in a second plane on or in the substrate offset from a fourth plane on or in the substrate, a second trace of the second pair of conductive traces extending in the fourth plane at least substantially in parallel to the first trace of the second pair of conductive traces at the distance from the first trace of the second pair of conductive traces;
a first conductive interconnecting member electrically coupled to the first trace of the first pair of conductive traces and to the first trace of the second pair of conductive traces, the first conductive interconnecting member extending from the first plane to the second plane;
a second conductive interconnecting member electrically coupled to the second trace of the first pair of conductive traces and to the second trace of the second pair of conductive traces, wherein at least a portion of the second conductive interconnecting member is positioned between portions of the first conductive interconnecting member, and wherein the second conductive interconnecting member is separated from the first conductive interconnecting member by a distance that is at least substantially equal to the distance;
a first dielectric material disposed between the first conductive interconnecting member and the second conductive interconnecting member; and
a second dielectric material disposed between the first trace and the second trace of at least one of the first pair of conductive traces and the second pair of conductive traces, the second dielectric material exhibiting a dielectric constant that is different from a dielectric constant of the first dielectric material.
18. The electronic device assembly of claim 17 , wherein the first trace of the first pair of conductive traces is positioned closer to the first trace of the second pair of conductive traces than the second trace of the first pair of conductive traces is positioned to the second trace of the second pair of conductive traces.
19. The electronic device assembly of claim 17 , wherein the first conductive interconnecting member is operably coupled to an end of at least one of the first trace of the first pair of conductive traces and the first trace of the second pair of conductive traces.
20. The electronic device assembly of claim 17 , wherein the second conductive interconnecting member is operably coupled to an end of at least one of the second trace of the first pair of conductive traces and the second trace of the second pair of conductive traces.
21. The electronic device assembly of claim 17 , further comprising an electrical component operably coupled to the first trace and the second trace of the first pair of conductive traces and configured to provide a differential signal to another electrical component operably coupled to the first trace and the second trace of the second pair of conductive traces through the first conductive interconnecting member and the second conductive interconnecting member.