Manufacturing a solar cell with backside contacts

Details Manufacturing a solar cell with backside contacts Manufacturing a solar cell with backside contacts

2007-05-15

2007-05-15

Mayekar, Kishor (Department: 1753)

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

C136S255000, C136S244000, C136S261000, C257S465000, C257S466000, C257S461000, C257S459000, C257S436000, C257S437000, C438S098000, C438S071000, C438S072000, C438S081000, C438S083000, C216S024000, C216S017000, C216S018000

Reexamination Certificate

active

10496371

ABSTRACT:
A solar cell involving a silicon wafer having a basic doping, a light-receiving front side and a backside, which is provided with an interdigital semiconductor pattern, which interdigital semiconductor pattern has a first pattern of at least one first diffusion zone having a first doping and a second pattern of at least one second diffusion zone, separated from the first diffusion zone(s) and having a second doping that differs from the first doping, wherein each second diffusion zone is arranged along the sides of at least one groove extending from the backside into the silicon wafer.

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