Patents by Inventor Peter Hyun Kee Chang

Peter Hyun Kee Chang 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: 20180290882
    Abstract: According to various embodiments, there is provided a method for fabricating a semiconductor package, the method including forming a cap structure and a pillar from a first wafer; bonding the first wafer to a second wafer; and filling a gap between the pillar and the cap structure with a mold compound.
    Type: Application
    Filed: June 10, 2016
    Publication date: October 11, 2018
    Inventors: Daniel Minwoo Rhee, Peter Hyun Kee Chang
  • Publication number: 20180209791
    Abstract: According to various embodiments, there is provided a motion measurement device including a first proof mass and a second proof mass, each of the first proof mass and the second proof mass configured to be at least partially rotatable in-plane; a pair of resonators arranged between the first proof mass and the second proof mass; wherein a first resonator of the pair of resonators is configured to resonate at a first frequency and a second resonator of the pair of resonators is configured to resonate at a second frequency; and a determination circuit configured to determine an acceleration based on the first frequency and the second frequency.
    Type: Application
    Filed: July 7, 2016
    Publication date: July 26, 2018
    Applicant: Agency for Science, Technology and Research
    Inventor: Peter Hyun Kee CHANG
  • Publication number: 20160111980
    Abstract: According to embodiments of the present invention, an energy harvesting device is provided. The energy harvesting device includes a microchannel arranged to receive a fluid, a bluff body arranged to interact with the fluid flowing through the microchannel to generate a vortex fluid street, and an energy harvesting element arranged to interact with the vortex fluid street to harvest energy from the fluid. According to further embodiments of the present invention, a method of harvesting energy is also provided.
    Type: Application
    Filed: June 23, 2014
    Publication date: April 21, 2016
    Inventors: Chengliang Sun, Xiaojing Mu, Peter Hyun Kee Chang, Qingxin Zhang, Alex Yuandong Gu, Wei Mong Tsang