H - Electricity – 01 – L
Patent
H - Electricity
01
L
356/198, 345/22,
H01L 31/04 (2006.01) G01R 31/02 (2006.01) H01L 31/075 (2006.01) H01L 31/18 (2006.01)
Patent
CA 1209234
ABSTRACT OF THE DISCLOSURE Systems and methods for detecting and eliminating latent and existing short circuit current paths through photovoltaic devices of the type including at least one semicon- ductor region overlying a substrate and a layer of conductive light transmissive material overlying the at least one semiconductor region are disclosed. The latent paths are first converted to existing short circuit current paths by applying a bias voltage to the devices. The short circuit current paths which are eliminated extend through the at least one semiconductor region from the substrate to the layer of conductive light transmissive material, The resistivity of the short cir- cuit current paths is increased substantially at the interface between the conductive light trans- missive material and the semiconductor region by isolating electrically the conductive light transmissive material from the short circuit current paths.
439225
Cannella Vincent D.
Izu Masatsugu
Energy Conversion Devices Inc.
Gowling Lafleur Henderson Llp
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