Patent ID: 8852990
Filing Date: 2014-10-07
Classification: H01L,Y02E,Y02P

Abstract:
1. A method of fabricating a solar cell, comprising: providing a substrate, wherein the substrate comprises a doped layer; forming a patterned material layer on the substrate, and the patterned material layer partially overlapping the doped layer, wherein the patterned material layer comprises a plurality of patterned layers; conformally forming a first metal layer on the patterned material layer and the doped layer; forming a patterned mask layer on the first metal layer, wherein the patterned mask layer totally overlaps the patterned material layer; forming a second metal layer on the doped layer not overlapped by the patterned material layer, wherein the second metal layer partially fills at least an opening of the patterned mask layer; and removing the patterned mask layer, the first metal layer between the patterned mask layer and the patterned material layer and at least one of the patterned layers of the patterned material layer.