Patents by Inventor Lev Schoichet

Lev Schoichet 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).

  • Semiconductor purification apparatus and method
    Patent number: 6534748
    Abstract: A method for protecting at least one wafer from contamination, the method including the steps of heating the wafer in an apparatus for semiconductor processing having a reaction core (102), providing a first voltage level to a wafer transfer device (108), and providing a second voltage level lower than the first voltage level, near the reaction core (102), thereby activating the protection.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: March 18, 2003
    Assignee: Sizary Ltd.
    Inventors: Yosef Zinman, Arie Ravid, Yossef Raskin, Lev Schoichet, Alex Sergienko, Ilya Roitman