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1. (WO2018005386) METALLIZATION STRUCTURES FOR SOLAR CELLS

Pub. No.:    WO/2018/005386    International Application No.:    PCT/US2017/039334
Publication Date: Fri Jan 05 00:59:59 CET 2018 International Filing Date: Tue Jun 27 01:59:59 CEST 2017
IPC: H01L 31/0224
H01L 31/0216
H01L 31/0368
H01L 31/0392
H01L 31/18
Applicants: SUNPOWER CORPORATION
TOTAL MARKETING SERVICES
Inventors: MOORS, Matthieu
KIM, Taeseok
HARDER, Nils-Peter
Title: METALLIZATION STRUCTURES FOR SOLAR CELLS
Abstract:
Solar cells having conductive contacts are described. In an example, a solar cell can include a protective layer disposed over a substrate, where the protective layer comprises a contact hole. A first metal layer disposed over the protective layer, where the first metal layer is electrically connected to the substrate through the contact hole. A second metal layer disposed over the first metal layer and a bond region disposed between the first metal layer and the second metal layer, where the bond region is located above a region of the protective layer without a contact hole.