Patents Examined by Kiet T. Mguyen
  • Scanning tunneling microscope
    Patent number: 4992660
    Abstract: A scanning tunneling microscope using a tip which can be easily replaced. The microscope includes a piezoelectric drive mechanism for driving the tip, a tip holder to which the tip is attached, and a sample holder. The tip holder can be detachably mounted to the piezoelectric drive mechanism. The Z-axis of a coordinate system extends through the tip holder and across the sample surface during observation. A replacement rod for replacng the tip holder is mounted so as to be movable along the Z-axis.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: February 12, 1991
    Assignee: Jeol Ltd.
    Inventor: Hideo Kobayashi