Patents by Inventor Tsung-Kai Yu

Tsung-Kai Yu 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).

  • Patent number: 11495510
    Abstract: A semiconductor device package structure includes a substrate. The substrate has a circuit structure formed in a die region. The die region is defined by a plurality of scribe lines configured on the substrate. A seal ring is disposed in the substrate and located at a periphery region of the die region, and surrounds at least a portion of the circuit structure. A trench ring is disposed in the substrate between the seal ring and the scribe lines. A packaging passivation cap layer covers over the circuit structure and the seal ring, and covers at least the trench ring.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: November 8, 2022
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yu-Yuan Huang, Tsung-Kai Yu, Chen-Hsiao Wang, Kai-Kuang Ho, Kuang-Hui Tang
  • Publication number: 20210202340
    Abstract: A semiconductor device package structure includes a substrate. The substrate has a circuit structure formed in a die region. The die region is defined by a plurality of scribe lines configured on the substrate. A seal ring is disposed in the substrate and located at a periphery region of the die region, and surrounds at least a portion of the circuit structure. A trench ring is disposed in the substrate between the seal ring and the scribe lines. A packaging passivation cap layer covers over the circuit structure and the seal ring, and covers at least the trench ring.
    Type: Application
    Filed: February 3, 2020
    Publication date: July 1, 2021
    Applicant: United Microelectronics Corp.
    Inventors: YU-YUAN HUANG, Tsung-Kai Yu, Chen-Hsiao Wang, Kai-Kuang Ho, Kuang-Hui Tang