Patents by Inventor Sau Ngen Chen

Sau Ngen Chen 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).

  • Apparatus and method for cleaning glass substrates using a cool hydrogen flame
    Patent number: 7790477
    Abstract: Contaminants from surfaces of temperature sensitive substrates, such as glass substrates are removed by exposing the surfaces to a hydrogen Surface-mixed diffusion flame for a predetermined duration of time. The predetermined duration of time being insufficient to heat up the surfaces substantially thereby causing damage to the temperature sensitive substrates.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: September 7, 2010
    Assignee: Agency For Science, Technology And Research
    Inventors: David Tee Liang, Tuti Mariana Lim, Sau Ngen Chen
  • Apparatus And Method For Cleaning Glass Substrates Using A Cool Hydrogen Flame
    Publication number: 20090188534
    Abstract: Contaminants from surfaces of temperature sensitive substrates, such as glass substrates are removed by exposing the surfaces to a hydrogen Surface-mixed diffusion flame for a predetermined duration of time. The predetermined duration of time being insufficient to heat up the surfaces substantially thereby causing damage to the temperature sensitive substrates.
    Type: Application
    Filed: February 6, 2009
    Publication date: July 30, 2009
    Applicant: Agency For Science, Technology And Research
    Inventors: David Tee LIANG, Tuti Mariana Lim, Sau Ngen Chen
  • Apparatus and method for cleaning glass substrates using a cool hydrogen flame
    Patent number: 7504267
    Abstract: Contaminants from surfaces of temperature sensitive substrates, such as glass substrates are removed by exposing the surfaces to a hydrogen Surface-mixed diffusion flame for a predetermined duration of time. The predetermined duration of time being insufficient to heat up the surfaces substantially thereby causing damage to the temperature sensitive substrates.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: March 17, 2009
    Assignee: Agency For Science, Technology and Research
    Inventors: David Tee Liang, Tuti Mariana Lim, Sau Ngen Chen
  • Apparatus and method for cleaning glass substrates using a cool hydrogen flame
    Publication number: 20060005857
    Abstract: Contaminants from surfaces of temperature sensitive substrates, such as glass substrates are removed by exposing the surfaces to a hydrogen Surface-mixed diffusion flame for a predetermined duration of time. The predetermined duration of time being insufficient to heat up the surfaces substantially thereby causing damage to the temperature sensitive substrates.
    Type: Application
    Filed: November 20, 2002
    Publication date: January 12, 2006
    Inventors: David Liang, Tuti Lim, Sau Ngen Chen