Patents by Inventor Robert T. Haraga

Robert T. Haraga 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 improving the radiation hardness of an integrated circuit bipolar transistor
    Patent number: 5200347
    Abstract: A method is provided for use with an integrated circuit which includes a npn bipolar transistor on which a variable thickness oxide layer has been formed, the method for improving the radiation hardness of the transistor comprising the steps of: removing the variable thickness oxide layer; and forming a new oxide layer on the transistor, the new oxide layer having less overall volume than the removed variable thickness oxide layer.
    Type: Grant
    Filed: February 14, 1991
    Date of Patent: April 6, 1993
    Assignee: Linear Technology Corporation
    Inventors: Jia-Tarng Wang, Robert T. Haraga, Wadie N. Khadder