Patents by Inventor Patrick Calella

Patrick Calella 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 for internal laser welding of metallized optical components for attachment of optical fibers
    Patent number: 5337383
    Abstract: A method for internal laser welding of metallized optical components for attachment of optical fibers which comprises the steps of: milling a "V" groove in one end face of a fiber carrier; aligning an optical fiber in the "V" groove; polishing end faces of an integrated optics chip and the fiber carrier assembly; depositing chromium layers on integrated optics chip and the fiber carrier assembly; depositing eutectic alloy on chromium layers; optically aligning the optical fiber and a wave guide in the integrated optics chip; and applying a pulse laser beam for an internal laser weld between the end face of the integrated optics chip and the end face of the fiber carrier assembly.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: August 9, 1994
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Mario E. DeAngelis, Douglas Troast, Patrick Calella