Patent ID: 8936949
Filing Date: 2015-01-20
Classification: H01L,H02S,Y02E

Abstract:
1. A manufacturing method of a solar cell in which a light receiving side electrode including grid electrodes is provided on one side of a semiconductor substrate, comprising: a first step of forming an impurity diffusion layer on one side of the semiconductor substrate of a first conductivity type, the diffusion layer having a second conductivity-type impurity diffused therein; a second step of measuring a sheet resistance value of the impurity diffusion layer at a plurality of measurement points in a surface of the impurity diffusion layer; and a third step of dividing the surface of the impurity diffusion layer into a plurality of areas corresponding to the measured sheet resistance values of the surface of the impurity diffusion layer, setting a distance between adjacent grid electrodes for each of the areas, and forming the grid electrodes, which are electrically connected to the impurity diffusion layer, on the impurity diffusion layer based on the areas corresponding to the measured sheet resistance values.