Patents Assigned to Sichuan Yinhe Chemical Co., Ltd.
  • Burnthrough formulations
    Patent number: 8889471
    Abstract: For solar cell fabrication, the addition of precursors to printable media to assist etching through silicon nitride or silicon oxide layer thus affording contact with the substance underneath the nitride or oxide layer. The etching mechanism may be by molten ceramics formed in situ, fluoride-based etching, as well as a combination of the two.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: November 18, 2014
    Assignee: Sichuan Yinhe Chemical Co., Ltd.
    Inventors: Ovadia Abed, Yunjun Li, James P. Novak, Samuel Kim, Patrick Ferguson