Patents by Inventor Pho Ling Fu

Pho Ling Fu 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: 20090256172
    Abstract: A laser annealing method includes forming a nitrogen-doped layer on a semiconductor layer, the nitrogen-doped layer having a nitrogen concentration of at least 3×1020 atoms/cc, irradiating a first area of the nitrogen-doped layer in a low oxygen environment with a laser beam and irradiating a second area of the nitrogen-doped layer in a low oxygen environment with a laser beam, a part of the second area overlapping with the first area.
    Type: Application
    Filed: April 7, 2009
    Publication date: October 15, 2009
    Inventors: Kian Kiat Lim, Atsushi Nakamura, Kai Pheng Tan, Eng Soon Lim, Pho Ling Fu, Takaaki Kamimura