Patent ID: 9034670
Filing Date: 2015-05-19
Classification: H01L,Y02E

Abstract:
1. A method for manufacturing a solar cell from a semiconductor substrate having a first conductivity type, a front surface and a back surface, the method comprising in a sequence: (a) texturing the front surface to create a textured front surface; (b) creating by diffusion of a dopant of the first conductivity type a first conductivity-type doped layer in the textured front surface and a back surface field layer of the first conductivity type in the back surface; (c) removing the first conductivity-type doped layer from the textured front surface by an etching process adapted for retaining texture of the textured front surface; and (d) creating a layer of a second conductivity type on the textured front surface by diffusion of a dopant of the second conductivity type into the textured front surface.