Patents by Inventor Mai NAGATA

Mai NAGATA 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: 10131826
    Abstract: An adhesive film for a semiconductor chip with a through electrode, which is used for stacking multiple semiconductor chips each with a through electrode on a semiconductor wafer, which can favorably connect the through electrodes while suppressing formation of voids, and which can reduce the length of burrs protruding around the semiconductor chips. An adhesive film for a semiconductor chip with a through electrode, to be used for stacking multiple semiconductor chips each with a through electrode on a semiconductor wafer, the adhesive film having a minimum melt viscosity of 50 to 2500 Pa·s and a thixotropic index at 140° C. of 8 or lower.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: November 20, 2018
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Mai Nagata, Kohei Takeda, Toshio Enami
  • Publication number: 20170183548
    Abstract: The present invention aims to provide an adhesive film for a semiconductor chip with a through electrode, which is used for stacking multiple semiconductor chips each with a through electrode on a semiconductor wafer, which can favorably connect the through electrodes while suppressing formation of voids, and which can reduce the length of burrs protruding around the semiconductor chips. The present invention relates to an adhesive film for a semiconductor chip with a through electrode, to be used for stacking multiple semiconductor chips each with a through electrode on a semiconductor wafer, the adhesive film having a minimum melt viscosity of 50 to 2500 Pa·s and a thixotropic index at 140° C. of 8 or lower.
    Type: Application
    Filed: March 25, 2015
    Publication date: June 29, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Mai NAGATA, Kohei TAKEDA, Toshio ENAMI