Patent · US Active

Method of manufacturing a solar cell with local back contacts

US9722106B2 · kind B2 · utility

0Cited by

0References

12Claims

0Family size

Assignees

IMEC · BE
TOTAL MARKETING SERVICES · FR

Inventors

Périne Jaffrennou · Brussels, BE
Johan Das · Nieuwrode, BE
Angel Uruena De Castro · Heverlee, BE

Key dates

Filing date	Oct 5, 2012
Grant date	Aug 1, 2017
Priority date	—
Expiry date	Jun 5, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to the manufacturing process of a solar cell (1) with back contact and passivated emitter, comprising a dielectric stack (10) of at least two layers consisting of at least a first dielectric layer (11) made of AlOx in contact with a p-type silicon layer (3), and a second dielectric layer (13) deposited on the first dielectric layer (11). Besides, the method of manufacturing comprising a formation step of at least one partial opening (15) preferably by laser ablation into the dielectric stack (10), sparing at least partially the aforementioned first dielectric layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.