Patents by Inventor David Hwa Chieh Shih

David Hwa Chieh Shih 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).

  • Low-leakage diodes and methods of forming the same
    Patent number: 8441305
    Abstract: Low leakage diodes and methods of forming the same are disclosed. In one embodiment an apparatus includes a designed or parasitic bipolar transistor having an emitter, a base and a collector. The bipolar transistor is configured to operate as a diode, the diode having reverse-biased and forward-biased modes of operation. The emitter and base operate as first and second terminals of the diode, respectively. The collector is configured to receive a collector bias voltage, which is controlled relative to a voltage of the emitter to reduce a diffusion leakage current of the diode when the diode is in the reverse-biased mode of operation.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: May 14, 2013
    Assignee: Analog Devices, Inc.
    Inventor: David Hwa Chieh Shih
  • LOW-LEAKAGE DIODES AND METHODS OF FORMING THE SAME
    Publication number: 20120049934
    Abstract: Low leakage diodes and methods of forming the same are disclosed. In one embodiment an apparatus includes a designed or parasitic bipolar transistor having an emitter, a base and a collector. The bipolar transistor is configured to operate as a diode, the diode having reverse-biased and forward-biased modes of operation. The emitter and base operate as first and second terminals of the diode, respectively. The collector is configured to receive a collector bias voltage, which is controlled relative to a voltage of the emitter to reduce a diffusion leakage current of the diode when the diode is in the reverse-biased mode of operation.
    Type: Application
    Filed: August 30, 2010
    Publication date: March 1, 2012
    Applicant: ANALOG DEVICES, INC.
    Inventor: David Hwa Chieh Shih