Patents by Inventor Liangfan Chen

Liangfan 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).

  • Producing solar cells by surface preparation for accelerated nucleation of microcrystalline silicon on heterogeneous substrates
    Patent number: 5730808
    Abstract: Attractive multi-junction solar cells and single junction solar cells with excellent conversion efficiency can be produced with a microcrystalline tunnel junction, microcrystalline recombination junction or one or more microcrystalline doped layers by special plasma deposition processes which includes plasma etching with only hydrogen or other specified etchants to enhance microcrystalline growth followed by microcrystalline. nucleation with a doped hydrogen-diluted feedstock.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: March 24, 1998
    Assignee: Amoco/Enron Solar
    Inventors: Liyou Yang, Liangfan Chen