Photovoltaic cell with thick silicon oxide and silicon nitride passivation and fabrication
CA 2598228 C · Owner: Choulat, Patrick · Inventors: Agostinelli, Guido; Beaucarne, Guy; Choulat, Patrick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for the production of a photovoltaic device for instance solar cell, is disclosed, comprising the steps of providing a substrate having a front main surface and a rear surface; depositing a dielectric layer on the rear surface, wherein the dielectric layer has a thickness larger than 100 nm; depositing a passivation layer comprising hydrogenated SiN on top of the dielectric layer and forming back contacts through the dielectric layer and the passivation layer. A method for the production of a photovoltaic device for instance solar cell, is also disclosed comprising the steps of providing , a substrate having a front main surface and a rear surface; depositing a dielectric …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed March 16, 2006 and granted July 23, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 16, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.