Patents by Inventor Cho Sang

Cho Sang 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).

  • CMOS image sensor and method for fabricating the same
    Publication number: 20070034916
    Abstract: A CMOS image sensor and a method for fabricating the same are provided. A CMOS image sensor includes: a plurality of photodiodes a predetermined distance apart on a semiconductor substrate; an insulation layer on an entire surface of the semiconductor substrate; a passivation layer on the insulation layer; a plurality of color filters on the passivation layer corresponding to the photodiodes; a planarization layer on an entire surface of the semiconductor substrate including the color filters; and a microlens on the planarization layer corresponding to each of the color filters and having a bottom diameter of 2.5 to 3.0 ?m.
    Type: Application
    Filed: August 14, 2006
    Publication date: February 15, 2007
    Inventor: Cho Sang