Filing Date: 2004-07-14.-- Priority Data: ES 200301666 (2003-07-15).-- International Publication Number: WO_2005008175 (20050127).This invention is related to the production engineering industry, and more particularly to the sector concerned with the production of photovoltaic cells, and therefore it also has a bearing on the alternative energy sector. The invention relates to the control of the methods used for texturing the surface of monocrystalline silicon, although it is also applicable to the textures developed on the surface of silicon and other multicrystalline and polycrystalline semiconductors.