Suspended lattice for electrical interconnects
View Patent ↗An electrical interconnect has a circuit substrate and an electrical connection point on the circuit substrate. The electrical connection point includes a lattice of conductive material that is adjacent a gap in the circuit substrate and has anchor points that are attached to the circuit substrate. In some configurations, a conductive epoxy encapsulates at least a portion of the lattice of conductive material and may include a second electrical connection point that is bonded to the other electrical connection point through the conductive epoxy.
1. An electrical interconnect, comprising:
a circuit substrate having a first portion and a second portion discrete from the first portion; and
a gap between the first and second discrete portions of the circuit substrate, the gap forming a continuous column;
a first electrical connection point contacting the first and second discrete portions of the circuit substrate, the first electrical connection point including a three-dimensional lattice of conductive material suspended within the gap; and
a conductive epoxy encapsulating at least a portion of the first electrical connection point that is suspended within the gap, the lattice and conductive epoxy structured to form a three-dimensional electrical connection between the first electrical connection point and a second electrical connection point that is positioned adjacent the gap.
2. The electrical interconnect of claim 1 , wherein the three-dimensional lattice of conductive material is suspended entirely within the gap.
3. The electrical interconnect of claim 1 , wherein at least a portion of the conductive epoxy extends through portions of the suspended, three-dimensional lattice.
4. The electrical interconnect of claim 1 , further comprising a coverlay material in contact with the circuit substrate.
5. The electrical interconnect of claim 4 , wherein anchor points attached the first electrical connection point to the first portion and the second portion of the circuit substrate and reside in the coverlay material and contact both the coverlay material and the circuit substrate.
6. The electrical interconnect of claim 1 , wherein the lattice includes a round opening.
7. The electrical interconnect of claim 1 , wherein the lattice includes two intersecting linear portions defining four quadrant openings.
8. An electrical interconnect, comprising:
a circuit substrate having a first portion and a second portion discrete from the first portion;
a gap between the first and second discrete portions of the circuit substrate, the gap forming a continuous column;
a first electrical connection point contacting the first and second discrete portions of the circuit substrate, the first electrical connection point including a three-dimensional lattice of conductive material suspended within the gap;
a conductive epoxy encapsulating at least a portion of the first electrical connection point; and
a second electrical connection point;
wherein the conductive epoxy encapsulated first electrical connection point forms a three-dimensional, electrical bond between the first electrical connection point and the second electrical connection point.
9. The electrical interconnect of claim 8 , wherein the first electrical connection point has anchor points that connect the first electrical connection point respectively to the first discrete portion and the second discrete portion of the circuit substrate, the anchor points structured to restrict the conductive epoxy to the three-dimensional, suspended lattice of conductive material.
10. The electrical interconnect of claim 9 , further comprising a coverlay material in contact with the circuit substrate.
11. The electrical interconnect of claim 10 , wherein the anchor points reside in the coverlay material and contact both the coverlay material and the circuit substrate.