Patents by Inventor Shujie Fei

Shujie Fei 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).

  • JOINED BODY, METHOD OF MANUFACTURING JOINED BODY, AND METHOD OF EVALUATING ORGANIC RESIDUES OF JOINED BODY
    Publication number: 20240429108
    Abstract: What is provided is a joined body in which a first member and a second member are joined through a solder layer therebetween, in which the joined body is dipped in isopropanol to extract organic residues contained in the joined body, a UV absorption spectrum of an extract having the extracted organic residues is measured, the obtained UV absorption spectrum is normalized with the absorbance set to 100 at a wavelength of 207 nm, and the absorbance at a wavelength of 300 nm obtained from the normalized UV absorption spectrum is 4 or less.
    Type: Application
    Filed: September 2, 2022
    Publication date: December 26, 2024
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Shujie Fei, Tsukasa Yasoshima, Kazuki Hirose