Patents by Inventor Michel Thomas Duffy

Michel Thomas Duffy 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).

  • Apparatus improvements for growing single crystalline silicon sheets
    Patent number: 4099924
    Abstract: Mechanical components such as dies and crucibles, which come in contact with a silicon melt during the formation of single crystalline shaped silicon particles, e.g. thin sheets or ribbons, are coated with silicon oxynitride deposited by chemical vapor deposition techniques.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: July 11, 1978
    Assignee: RCA Corporation
    Inventors: Samuel Berkman, Michel Thomas Duffy, Kyong-Min Kim, Glenn Wherry Cullen