Patents by Inventor Hooi Boon Teoh

Hooi Boon Teoh 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).

  • Publication number: 20230230903
    Abstract: A semiconductor chip is provided. The semiconductor chip may include a front side including a control chip contact and a first controlled chip contact, a back side including a second controlled chip contact, a backside metallization formed over the back side in contact with the second controlled chip contact, and a stop region extending at least partially along an outer edge of the back side between a contact portion of the backside metallization and the outer edge of the back side. The contact portion is configured to be attached to an electrically conductive structure by a die attach material, a surface of the stop region is recessed with respect to a surface of the contact portion, and/or the surface of the stop region has a lower wettability with respect to the die attach material than the contact portion.
    Type: Application
    Filed: December 21, 2022
    Publication date: July 20, 2023
    Applicant: Infineon Technologies AG
    Inventors: Hooi Boon TEOH, Hao ZHUANG, Oliver BLANK, Paul Armand CALO, Markus DINKEL, Josef Höglauer, Daniel Hölzl, Wee Aun JASON LIM, Gerhard Thomas Nöbauer, Ralf OTREMBA, Martin Pölzl, Ying Pok SAM, Xaver Schlögel, Chee Voon TAN
  • Publication number: 20220173020
    Abstract: An electrical connection structure includes a first metallic lead having a first contact area, a second metallic lead having a second contact area, and a connection region connecting the first and second leads with each other. The connection region includes a trench. The trench includes a planar rectangular horizontal floor surface and vertical walls adjacent to the planar rectangular floor surface.
    Type: Application
    Filed: December 1, 2021
    Publication date: June 2, 2022
    Inventors: Wee Boon Tay, Wei Hing Tan, Hooi Boon Teoh