Patent ID: 8637996

Claim:
A multi layered fabricated electrical device to increase the usable surface area of electrically conductive interconnects comprising: a bottom contact layer; a top contact layer; and one or more intermediate insulating metal oxide layers between the top contact layer and the bottom contact layer, wherein the top contact layer comprises: a first top contact layer portion electrically isolated from one or more other top contact layer portions, wherein the first top contact layer portion includes: a plurality of spaced apart, electrically conductive interconnects that penetrates the first top contact layer portion in an interconnect-top contact area, the interconnect-top contact area defined as a minimum rectangular area of a surface of the first top contact layer portion that contains all of the electrically conductive interconnects of the plurality of spaced apart, electrically conductive interconnects such that the interconnect-top contact area includes a top contact material area and an electrically conductive interconnect material area, wherein the percentage of the electrically conductive interconnect material area is between 10% and 90% of the interconnect-top contact area; wherein the electrically conductive interconnects are formed of a reflowed material from the top contact layer, the one or more intermediate layers and the bottom contact layer.