Patents by Inventor Xavier BELREDON

Xavier BELREDON 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).

  • IMAGE SENSOR WITH AN IMPROVED SENSITIVITY
    Publication number: 20090014764
    Abstract: An embodiment of an image sensor comprising photosensitive cells, each photosensitive cell comprising at least one charge storage means formed at least partly in a substrate of a semiconductor material. The substrate comprises, for at least one first photosensitive cell, a portion of a first silicon and germanium alloy having a first germanium concentration, possibly zero, and for at least one second photosensitive cell, a portion of a second silicon and germanium alloy having a second germanium concentration, non-zero, greater than the first germanium concentration.
    Type: Application
    Filed: July 10, 2008
    Publication date: January 15, 2009
    Applicants: STMICROELECTRONICS SA, STMICROELECTRONICS CROLLES 2 SAS
    Inventors: Perceval COUDRAIN, Philippe CORONEL, Xavier BELREDON