FIG. 1A depicts a view in perspective of an embodiment of a layer or sheet of copper with graphene applied to a surface of the copper sheet.

FIG. 1B depicts a side view in cross-section of the embodiment of FIG. 1A.

FIG. 2 is a cross-sectional view of an example embodiment of a printed circuit board (PCB) including conductive signal trace structures disposed within the PCB and connecting with vias extending through portions of the PCB.

FIG. 3A depicts an enlarged view of a portion of the PCB of FIG. 2, including a conductive signal trace structure connecting a pair of vias.

FIG. 3B depicts a cross-sectional view of the conductive signal trace structure of FIG. 3A.

FIG. 4 depicts a cross-sectional view of an alternative embodiment of a conductive signal trace structure.

FIG. 5 depicts a cross-sectional view of another alternative embodiment of a conductive signal trace structure.

FIGS. 6A and 6B depict cross-sectional views of example embodiments a conductive signal wire structure.

FIG. 7 depicts an example embodiment of a PCB including a component connected with the PCB via the conductive signal wire structure of FIG. 6A or 6B.