Patents by Inventor Chong-Chieh Cheng

Chong-Chieh Cheng 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).

  • Publication number: 20110101285
    Abstract: A conductive paste includes: at least one metal powder, an organic vehicle, a glass and a surfactant having a representative formula as follows: Mx(R)y(Q)z, wherein M is selected from a metal element and a semiconductive element, R is hydrophilic group directly connected to M and one will be able to hydrolyze by water to form another hydrophilic group, and Q is a hydrophobic group. The hydrophilic functional group of the surfactant will attach on the metal powder surface closely. Therefore, the surfactant can disperse the metal powder in the organic vehicle well and prevent paste from aggregating.
    Type: Application
    Filed: March 3, 2010
    Publication date: May 5, 2011
    Inventors: Chu-Lung Chao, Yu-Chen Chang, Chong-Chieh Cheng, Ying-Chih Lu, Cheng-Hsun Lin, Wen-Jui Huang