Nickel is introduced into the construction of the rear electrical contacts on silicon solar cells to reduce contact resistance between the aluminum contact material and the silver pads. In one embodiment, the nickel is applied as an intermediate layer between the silicon substrate and each silver pad....http://www.google.fr/patents/US5118362?utm_source=gb-gplus-shareBrevet US5118362 - Electrical contacts and methods of manufacturing same
Electrical contacts and methods of manufacturing same
