Patents by Inventor Hyeong-Woo Jang

Hyeong-Woo Jang 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).

  • Intelligent power integrated circuit
    Patent number: 6229179
    Abstract: A semiconductor device, more particularly, an intelligent power integrated circuit formed on a substrate where a power device and a control device are formed is provided. The intelligent power integrated circuit includes a handling substrate for a first conductivity type, a substrate for a power device of a second conductivity type where a first buffer layer of a concentration higher than that of the substrate for the power device is formed around a surface contacting with the handling substrate, a substrate for a control device formed on an insulating layer partially formed on the substrate for the power device, a control device formed on the substrate for the control device, and a power device vertically formed through the substrate for the power device and the handling substrate.
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: May 8, 2001
    Assignee: Fairchild Korea Semiconductor Ltd.
    Inventors: Chang-Sub Song, Hyeong-Woo Jang, Sin-Kook Jang