Patents by Inventor Yong-suk Tak

Yong-suk Tak 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).

  • SEMICONDUCTOR DEVICES HAVING A CONTACT PLUG AND FABRICATION METHODS THEREOF
    Publication number: 20090072350
    Abstract: Provided are a semiconductor device and a method of fabricating the same. The semiconductor device includes an insulating layer that is formed on a supporting layer and has a contact hole. A first contact plug is formed on an inner wall and bottom of the contact hole. A second contact plug buries the contact hole and is formed on the first contact plug. A conductive layer is connected to the first contact plug and the second contact plug. The bottom thickness of the first contact plug formed on the bottom of the contact hole is thicker than the inner wall thickness of the first contact plug formed on the inner wall of the contact hole.
    Type: Application
    Filed: November 13, 2008
    Publication date: March 19, 2009
    Inventors: Wan-don Kim, Jin-yong Kim, Yong-suk Tak, Jung-hee Chung, Ki-chul Kim, Oh-seong Kwon