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HIGH PHOTOELECTRIC CONVERSION EFFICIENCY SOLAR-CELL AND MANUFACTURING METHOD FOR HIGH PHOTOELECTRIC CONVERSION EFFICIENCY SOLAR-CELL
HIGH PHOTOELECTRIC CONVERSION EFFICIENCY SOLAR-CELL AND MANUFACTURING METHOD FOR HIGH PHOTOELECTRIC CONVERSION EFFICIENCY SOLAR-CELL
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机译:高光电转换效率的太阳能电池及其制造方法
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摘要
The present invention is a method for manufacturing a solar cell, including the steps of: forming unevenness on both of main surfaces of a semiconductor substrate of a first conductivity type; forming an emitter layer on a first main surface of the semiconductor substrate; forming a diffusion mask on the emitter layer; removing the diffusion mask in a pattern; forming a base layer on the portion where the diffusion mask have been removed; removing the remaining diffusion mask; forming a dielectric film on the first main surface; forming a base electrode on the base layer; and forming an emitter electrode on the emitter layer. This provides a method for manufacturing a solar cell that can bring high photoelectric conversion efficiency while decreasing the number of steps.
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