This paper presents a new silicon solar-cell structure improved by texturisation of the front surface using silicon micromachining technologies. A 'honeycomb'-textured front surface has been obtained through a photolithographical process to generate patterns (disc holes) on the front surface followed by isotropic etching (in HNO3: HF: CH3COOH) until the wells joined together. For front-surface loss characterisation, the spectral dependence of the

This paper presents a new solar cell structure obtained by the front surface texturization of multicrystalline silicon substrate by laboratory technology and main equipments used in characterization of such devices. The structure consists of an antireflection coating, a silicon active layer, front and back wafer contacts. The main objective was the minimizing the production cost maintaining the device performances. For these reasons the general technology