Patents by Inventor Ted Darwall

Ted Darwall 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).

  • Method of protecting light sensitive regions of integrated circuits
    Patent number: 6133060
    Abstract: A semiconductor device includes at least one active region. A thick dielectric film with an opaque layer embedded therein is deposited over the light sensitive active regions to provide protection from incident light without detrimentally affecting the optical properties of an uppermost optically active layer. An active layer is deposited over the thick dielectric film.
    Type: Grant
    Filed: January 21, 1998
    Date of Patent: October 17, 2000
    Assignee: Mitel Corporation
    Inventors: Ted Darwall, Luc Ouellet