Method of manufacturing a thin film photovoltaic product

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United States of America Patent

PATENT NO 11869993
APP PUB NO 20220359774A1
SERIAL NO

17624415

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Abstract

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A method of forming a photovoltaic product with a plurality of photovoltaic cells is disclosed. The method comprises depositing a stack with first and second electrode layers (12, 16) and a photovoltaic layer (14) arranged in between. The method comprises partitioning the stack. The partitioning includes forming a trench (20) extending through the second electrode layer and the photovoltaic layer to expose the first electrode layer. The stack is first irradiated with a laser beam with a first spotsize and with a first wavelength for which the photovoltaic layer has a relatively high absorption coefficient as compared to that of the second electrode layer. The stack is then irradiated with a second laser beam with a second spotsize, greater than the first spotsize, and with a second wavelength for which the photovoltaic layer has a relatively low absorption coefficient as compared to that of the second electrode layer.

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Patent Owner(s)

Patent OwnerAddress
NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO2595 DA DEN HAAG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bosman, Johan Wellerlooi, NL 18 67
Gevaerts, Veronique Stephanie Oisterwijk, NL 3 2

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