algainp 40x40 мельница тайвань optotech. algainp 40x40 мельница тайвань optotech Aluminium gallium indium phosphide Wikipedia Aluminium gallium indium phosphide is a semiconductor material that provides a platform for the development of novel multi junction photovoltaics and optoelectronic devices as it spans a direct bandgap from deep ultraviolet to infrared