Patent ID: 8115096

Claim:
A solar cell apparatus comprising: a back-contact solar cell having, on its back side, a first contact having a first polarity and a second contact having a second polarity, wherein said first contact comprises a plurality of fingers and said second contact comprises a plurality of fingers that interdigitate between the fingers of said first contact; a first conductive layer having planar finger shapes matching that of the first contact such that said first conductive layer has substantially the same size and shape fingers as the first contact, wherein the first conductive layer is positioned adjacent to the back side of the back-contact solar cell and substantially overlays and is in electrical contact with the first contact and not in electrical contact with said second contact; an insulating layer disposed on said first conductive layer covering the first conductive layer and having an array of via holes wherein said via holes are aligned over said second contact; and a second conductive layer disposed on said insulating layer so that said insulating layer is disposed between said first conductive layer and said second conductive layer, and wherein said second conductive layer comprises an array of electrical connecting pins that are aligned with and insert through said via holes and make electrical contact with said second contact.