Patents by Inventor Chung-Hsiang Wei

Chung-Hsiang Wei 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: 20180090379
    Abstract: A wafer dicing method comprises providing a wafer and performing a cutting procedure and a contacting procedure. The wafer includes a plurality of dies and a metal layer, wherein the metal layer is formed on a scribe line which is formed between adjacent dies. A cutter is used to cut the metal layer along the scribe line during the cutting procedure to form a plurality of dies on the wafer, and the metal layer cut by the cutter remains a plurality of metal burrs on the dies. A brush is used to contact with the metal burrs along the cutting slot during the contracting procedure to prevent each of the metal burrs from protruding from a surface of each of the dies.
    Type: Application
    Filed: November 3, 2016
    Publication date: March 29, 2018
    Inventors: Chia-Jung Tu, Chih-Lung Chen, Wen-Hsiang Liao, Chung-Hsiang Wei, Yung-Chi Liu
  • Patent number: 9929051
    Abstract: A wafer dicing method comprises providing a wafer and performing a cutting procedure and a contacting procedure. The wafer includes a plurality of dies and a metal layer, wherein the metal layer is formed on a scribe line which is formed between adjacent dies. A cutter is used to cut the metal layer along the scribe line during the cutting procedure to form a plurality of dies on the wafer, and the metal layer cut by the cutter remains a plurality of metal burrs on the dies. A brush is used to contact with the metal burrs along the cutting slot during the contracting procedure to prevent each of the metal burrs from protruding from a surface of each of the dies.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: March 27, 2018
    Assignee: CHIPBOND TECHNOLOGY CORPORATION
    Inventors: Chia-Jung Tu, Chih-Lung Chen, Wen-Hsiang Liao, Chung-Hsiang Wei, Yung-Chi Liu