Patents by Inventor Nai Wei Yu

Nai Wei Yu 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: 20190378812
    Abstract: A device for producing semiconductor bump metal layer includes a front end transfer module including a normal pressure transfer chamber, a base material carrier, a heating and carrying interlock vacuum chamber, and a cooling interlock vacuum chamber; a pre-cooking device for receiving the plurality of base materials, forming high vacuum, and baking the base materials; a rear end cleaning sputtering module for receiving the plurality of base materials and cleaning the plurality of base materials and sputtering metal layers; then the plurality of base materials being transferred to the cooling interlock vacuum chamber. The robot in the normal pressure transfer chamber transfers the base materials to the pre-cooking device so as to bake the base materials in high vacuum to remove vapors in the plurality of base materials; then the base materials are transferred to the heating and carrying interlock vacuum chamber for baking again to a predetermined level.
    Type: Application
    Filed: June 10, 2018
    Publication date: December 12, 2019
    Inventors: Yu-Hung Huang, Ying Hsien Chen, Hsin Yu Yao, Wei Liang Chan, Kuei Chang Peng, Nai Wei Yu, Yi Hsiang Chen