Patents by Inventor Guann-Pyng Li Li

Guann-Pyng Li Li 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).

  • Acoustic substrate
    Patent number: 8824707
    Abstract: A micromachined microphone or speaker embedded within, or positioned on top of, a substrate suitable for carrying microelectronic chips and components. The acoustic element converts sound energy into electrical energy which is then amplified by electronic components positioned on the surface of the substrate. Alternatively, the acoustic element may be driven by electronics to produce sound. The substrate can be used in standard microelectronic packaging applications.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: September 2, 2014
    Assignee: The Regents of the University of California
    Inventors: Mark Bachman, Guann-Pyng Li Li