Patents by Inventor Martin C. Geear

Martin C. Geear 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).

  • Providing optical coupling with single crystal substrate mounted electro-optic transducers
    Patent number: 5522000
    Abstract: A method of making a multilayer printed circuit upon a single crystal substrate for the mounting thereon of a semiconductor laser and an optical fibre pigtail located in a crystallographically etched groove in the substrate wherein all the photolithographic processing required to create the multilayer printed circuit is performed prior to the etching of the groove.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: May 28, 1996
    Assignee: Northern Telecom Limited
    Inventors: Peter J. Ayliffe, James W. Parker, Paul M. Harrison, Robert G. Peall, Stefano Bertolini, Martin C. Geear