Patents by Inventor Zhi-Liang Liu

Zhi-Liang Liu 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).

  • Patent number: 8057781
    Abstract: The invention provides a fabrication method for a chalcopyrite powder. The fabrication method includes: (a) mixing a Group IB compound and a Group IIIA compound in a solvent; (b) drying or precipitating the solution of step (a) to obtain a precursor containing Group IB and Group IIIA elements; (c) mixing a solution or powder containing a Group VIA compound with the precursor; and (d) heating the mixture of step (c) to obtain the chalcopyrite powder.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: November 15, 2011
    Assignee: National Taiwan University
    Inventors: Chung-Hsin Lu, Chung-Hsien Wu, Szu-Chia Chien, Zhi-Liang Liu
  • Publication number: 20100329967
    Abstract: The invention provides a fabrication method for a chalcopyrite powder. The fabrication method includes: (a) mixing a Group IB compound and a Group IIIA compound in a solvent; (b) drying or precipitating the solution of step (a) to obtain a precursor containing Group IB and Group IIIA elements; (c) mixing a solution or powder containing a Group VIA compound with the precursor; and (d) heating the mixture of step (c) to obtain the chalcopyrite powder.
    Type: Application
    Filed: June 10, 2010
    Publication date: December 30, 2010
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Chung-Hsin Lu, Chung-Hsien Wu, Szu-Chia Chien, Zhi-Liang Liu