Patents by Inventor Yung-Min PAI

Yung-Min PAI 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: 11097299
    Abstract: A slurry spraying mask includes a holding portion and a mask portion. The holding portion includes a holding portion opening. The mask portion includes a first layer and a second layer. The first layer includes a first tapered structure, the second layer includes a second tapered structure. The first tapered structure and the second tapered structure are arranged coaxially. A gap exists between the first layer and the second layer. The apex of the first tapered structure includes a first aperture, the apex of the second tapered structure includes a second aperture, and the second aperture is overlapped with the first aperture. The apex of the second tapered structure passes through the holding portion opening such that the mask portion is localized to the holding portion.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: August 24, 2021
    Assignee: Hermes Epitek Corp.
    Inventors: Yung-Min Pai, Pao-Chi Chi, Jih-Jenn Huang
  • Publication number: 20190240691
    Abstract: A slurry spraying mask includes a holding portion and a mask portion. The holding portion includes a holding portion opening. The mask portion includes a first layer and a second layer. The first layer includes a first tapered structure, the second layer includes a second tapered structure. The first tapered structure and the second tapered structure are arranged coaxially. A gap exists between the first layer and the second layer. The apex of the first tapered structure includes a first aperture, the apex of the second tapered structure includes a second aperture, and the second aperture is overlapped with the first aperture. The apex of the second tapered structure passes through the holding portion opening such that the mask portion is localized to the holding portion.
    Type: Application
    Filed: January 31, 2019
    Publication date: August 8, 2019
    Inventors: Yung-Min PAI, Pao-Chi CHI, Jih-Jenn HUANG