Method of producing a photovoltaic cell with a...

Details Method of producing a photovoltaic cell with a... Method of producing a photovoltaic cell with a...

2011-07-05

2011-07-05

Richards, N Drew (Department: 2895)

Semiconductor device manufacturing: process

Making device or circuit responsive to nonelectrical signal

Responsive to electromagnetic radiation

C438S072000

Reexamination Certificate

active

07972894

ABSTRACT:
A method of producing a photovoltaic cell. A passivation layer based on an intrinsic amorphous semiconductor is deposited on a back surface of a substrate based on a crystalline semiconductor. A first sacrificial mask including at least one through-opening on the passivation layer is screen-printed at a temperature less than or equal to 250° C. A doped amorphous semiconductor layer of a first type of conductivity is deposited at least in the opening. The first sacrificial mask is removed, leaving at least one doped amorphous semiconductor pad of the first type of conductivity remaining at the opening of the first sacrificial mask.

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