Patents by Inventor Mark A. Wardas

Mark A. Wardas 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).

  • High numerical aperture objective lens manufacturable in wafer form
    Patent number: 6049430
    Abstract: A composite micro-lens for use in an optical or magneto-optical information storage system, made up of one or more lens elements which, when coupled in assembly, provide a desired numerical aperture. The design may provide, if necessary, a photo resist lens, a shaped ball lens, or one or more contoured surfaces within the composite construction to correct for aberrations. The composite lens designed in this manner allowing for the use of wafer-level assembly processes to provide high volume production capabilities. It is further intended that this micro-lens design support integration in an optical or magneto-optical head design.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: April 11, 2000
    Assignee: Seagate Technology
    Inventors: John F. Heanue, Mark A. Wardas