Patents by Inventor Abe Jun

Abe Jun 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).

  • Piezoelectric oxide single crystal substrate
    Patent number: 10361357
    Abstract: Disclosed is a piezoelectric oxide single crystal substrate used in a surface acoustic wave device and the like which undergoes scarce warpage and is not easy to break or get scratched and has good a temperature characteristic. A piezoelectric oxide single crystal substrate has a concentration profile such that the Li concentration differs between the substrate surface and a middle part of the substrate; in particular, the concentration profile is such that, in the direction of the thickness of the substrate, the closer the measuring point is to the substrate surface, the higher becomes the Li concentration, and the closer the measuring point is to the thickness-wisely middle part of the substrate, the lower becomes the Li concentration.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: July 23, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Tanno Masayuki, Abe Jun, Kuwabara Yoshinori
  • PIEZOELECTRIC OXIDE SINGLE CRYSTAL SUBSTRATE
    Publication number: 20170054068
    Abstract: Disclosed is a piezoelectric oxide single crystal substrate used in a surface acoustic wave device and the like which undergoes scarce warpage and is not easy to break or get scratched and has good a temperature characteristic. A piezoelectric oxide single crystal substrate has a concentration profile such that the Li concentration differs between the substrate surface and a middle part of the substrate; in particular, the concentration profile is such that, in the direction of the thickness of the substrate, the closer the measuring point is to the substrate surface, the higher becomes the Li concentration, and the closer the measuring point is to the thickness-wisely middle part of the substrate, the lower becomes the Li concentration.
    Type: Application
    Filed: April 30, 2015
    Publication date: February 23, 2017
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Tanno Masayuki, Abe Jun, Kuwabara Yoshinori