To reduce power loss in a transparent electrode with a high sheet resistance in a thin-film solar cell that uses an amorphous semiconductor layer, without having to use a complex patterning process. A large number of holes are formed through an insulating substrate, while a third electrode layer with...http://www.google.com/patents/US5421908?utm_source=gb-gplus-sharePatent US5421908 - Thin-film solar cell and method for the manufacture thereof
