Patents by Inventor Sambath Bann

Sambath Bann 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).

  • Device for the connection of optic fibers to an integrated optic circuit and method for making the said device
    Patent number: 4836645
    Abstract: A connecting device is disclosed wherein an end of a fiber is joined to a connecting block which has one side polished and is bonded to a side, also polished, of an integrated optic circuit. The connecting block further has another side, inclined with respect to the its first side, making it possible to illuminate the side of the connecting block and to observe the image of the interference fringes sent back by the interface between the connecting block and the integrated optic circuit. According to the method of the invention, the connecting block is positioned by observing the previous image, and the bonding is then made.
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: June 6, 1989
    Assignee: Thomson-CSF
    Inventors: Herve Lefevre, Sambath Bann