Patents by Inventor Bonnie A. Swanson

Bonnie A. Swanson 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 of forming light emitting diode by LPE
    Patent number: 5284781
    Abstract: A liquid phase epitaxial (LPE) melt is formed to be oversaturated with gallium arsenide, and to have a first temperature. A surface of a gallium arsenide substrate is converted to a first P-type layer (12). Subsequently, the first P-type layer (12) and the substrate (11) are covered with the LPE melt. A N-type layer (13) is formed on the first P-type layer (12) by reducing the first temperature of the LPE melt to a second temperature. A second P-type layer (14) is formed on the N-type layer (13) by reducing the second temperature of the LPE melt to a third temperature.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: February 8, 1994
    Assignee: Motorola, Inc.
    Inventors: Arumugam Satyanarayan, Bonnie A. Swanson, Frank M. Richie