H ELECTRICITY
H01 ELECTRIC ELEMENTS
H01L SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
H01L31/00 Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
H01L31/04 adapted as photovoltaic [PV] conversion devices
H01L31/042 PV modules or arrays of single PV cells
H01L31/043 Mechanically stacked PV cells