Patents by Inventor Michael Deprado

Michael Deprado 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).

  • Process for obtaining a lift-off imaging profile
    Patent number: 5922503
    Abstract: A process for obtaining a lift-off imaging profile which comprises the steps of:a) providing a first layer of plasma etchable material wherein said material has a film thickness less than about 0.5 .mu.m (micrometer);b) providing a second layer comprising a photoimageable material on top of the first layer;c) forming a pattern in said second layer which comprises the steps of selectively exposing and developing the second layer;d) reacting the second layer with an organosilicon material; ande) etching the first layer isotropically in an oxygen atmosphere.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: July 13, 1999
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Mark A. Spak, Ralph R. Dammel, Michael Deprado