Patents by Inventor Ranida WONGPIYA

Ranida WONGPIYA 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).

  • WAFER STACK WITH MgO DIRECTLY ON INSULATING LAYER
    Publication number: 20230152611
    Abstract: A method includes depositing a crystalline magnesium oxide (MgO) seed layer directly on an amorphous insulating cladding layer by a physical vapor deposition (PVD) process, and depositing a crystalline electro-optic layer directly on the crystalline MgO seed layer.
    Type: Application
    Filed: April 1, 2021
    Publication date: May 18, 2023
    Inventors: Mark THOMPSON, Ranida WONGPIYA, Chia-Ming CHANG