Patents by Inventor Alekber Yu Kasumov

Alekber Yu Kasumov 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: 7301159
    Abstract: A focused ion beam apparatus having two pieces of probers brought into contact with two points of a surface of a sample, a voltage source for applying a constant voltage between the two points with which the probers are brought into contact, and an ammeter for measuring a current flowing between the two points, in which a conductive film is formed to narrow a gap thereof between the two points by operating a deflection electrode and a gas gun and the current flowing between the two points is monitored, and when the current becomes a predetermined value, a focused charged particle beam irradiated to the surface of the sample is made OFF by the blanking electrode.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: November 27, 2007
    Assignee: Riken & SII NanoTechnology Inc.
    Inventors: Toshiaki Fujii, Masao Abe, Kunji Shigeto, Minuru Kawamura, Alekber Yu Kasumov, Kazuhito Tsukagoshi, Yoshinobu Aoyagi