Patent ID: 11894472
Assignee: MAXEON SOLAR PTE. LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A solar cell, comprising:
a substrate having a back surface and an opposing light-receiving surface;
a plurality of N-type and P-type semiconductor regions disposed in or above the back surface of the substrate;
a conductive contact structure disposed on the plurality of N-type and P-type semiconductor regions, the conductive contact structure comprising metal foil portions in alignment with corresponding ones of the N-type and P-type semiconductor regions, wherein one or more of the metal foil portions extends laterally beyond the substrate; and
a patterned epoxy material layer disposed on the conductive contact structure, the patterned epoxy material layer disposed on and in alignment with the metal foil portions, and the patterned epoxy material layer coating a top, a bottom and ends of each of the one or more of the metal foil portions that extends laterally beyond the substrate.