Patents by Inventor Kwang Myoung Roh

Kwang Myoung Roh 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).

  • Method of producing a fully planarized concave transistor
    Patent number: 5677210
    Abstract: A fully planarized concave transistor is produced having a structure, wherein a lightly doped drain(LDD) region and a source/drain region are formed and accumulated on a semiconductor substrate in a predetermined pattern, a thick insulating layer is formed on the surface and the sidewall of the source/drain, a gate formed between the source and drain, with a gate insulating layer is formed between the source and the gate, and between the drain and the gate to insulate therebetween.
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: October 14, 1997
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventors: Chan Kwang Park, Yo Hwan Koh, Seong Min Hwang, Kwang Myoung Roh