DescriptionLuque's patent of the npp+ bifacial solar cell.jpg
English: Graphic excerpt depicting Luque's patent ES458514A1 granted in 1978 of annpp+ silicon bifacial solar cell. Side view showing the different doping regions labeled (a):n, (d):p, (c):p+, (b):metal grid
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.