Patents by Inventor Patrick Choulat

Patrick Choulat has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090301557
    Abstract: A method for the production of a photovoltaic device, for instance a solar cell, is disclosed. In one aspect, the method comprises providing a substrate having a front main surface and a rear surface. The method further comprises depositing a dielectric layer on the rear surface, wherein the dielectric layer has a thickness larger than about 100 nm. The method further comprises 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. In another aspect, corresponding photovoltaic devices, for instance solar cell devices, are also disclosed.
    Type: Application
    Filed: September 14, 2007
    Publication date: December 10, 2009
    Applicant: Interuniversitair Microelektronica Centrum (IMEC) vzw
    Inventors: Guido Agostinelli, Guy Beaucarne, Patrick Choulat