Patents by Inventor Tasi Hau Hong

Tasi Hau Hong 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).

  • Periodically poled element having a suppressing structure for the domain spreading
    Patent number: 7515794
    Abstract: A periodically poled element comprises a ferroelectric substrate having a top surface, a bottom surface, a top electrode structure including at least one conductor positioned on the top surface, and a suppressing structure including at least one insulator positioned on the top surface and a gap separating the insulator from the conductor. The ferroelectric substrate has a predetermined polarization direction, the conductor is configured to form an inverted domain with an inverted polarization direction in the ferroelectric substrate as a predetermined voltage is applied during a poling process, and the suppressing structure is configured to suppress the spreading of the inverted domain during the poling process.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: April 7, 2009
    Assignee: HC Photonics Corp.
    Inventors: Tze Chia Lin, Tasi Hau Hong, Ming Hsien Chou