Patents by Inventor Sung Woon Choo

Sung Woon Choo 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).

  • REGULATING VALVE
    Publication number: 20200200286
    Abstract: A regulating valve is disclosed. The regulating valve includes a cover mechanism and a controller controlling the cover ring. The cover mechanism includes a plurality of blades that forms a cover for a valve port of the regulating valve. When the plurality of blades are pulled away from each other, an opening formed by the plurality of blades is centered and flows uniform through to the process chamber.
    Type: Application
    Filed: October 25, 2019
    Publication date: June 25, 2020
    Inventors: GEUNHO KIM, SUNG-WOON CHOO
  • Optical color sensor system
    Patent number: 8188560
    Abstract: An optical color sensor system is provided including providing a substrate having an optical sensor therein and forming a passivation layer over the substrate. The passivation layer is planarized and color filters are formed over the passivation layer. A planar transparent layer is formed over the color filters and microlenses are formed on the planar transparent layer over the color filters.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: May 29, 2012
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Guy Eristoff, Kian Siong Ang, Sung Woon Choo, Hao Wang
  • OPTICAL COLOR SENSOR SYSTEM
    Publication number: 20090026568
    Abstract: An optical color sensor system is provided including providing a substrate having an optical sensor therein and forming a passivation layer over the substrate. The passivation layer is planarized and color filters are formed over the passivation layer. A planar transparent layer is formed over the color filters and microlenses are formed on the planar transparent layer over the color filters.
    Type: Application
    Filed: September 30, 2008
    Publication date: January 29, 2009
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING LTD.
    Inventors: Guy Eristoff, Kian Siong Ang, Sung Woon Choo, Hao Wang
  • Optical color sensor system
    Patent number: 7446386
    Abstract: An optical color sensor system is provided including providing a substrate having an optical sensor therein and forming a passivation layer over the substrate. The passivation layer is planarized and color filters are formed over the passivation layer. A planar transparent layer is formed over the color filters and microlenses are formed on the planar transparent layer over the color filters.
    Type: Grant
    Filed: October 15, 2005
    Date of Patent: November 4, 2008
    Assignee: Chartered Semiconductor Manufacturing Ltd.
    Inventors: Guy Eristoff, Kian Siong Ang, Sung Woon Choo, Hao Wang