Patents by Inventor Takeshi Uragami

Takeshi Uragami 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).

  • Publication number: 20080053485
    Abstract: A method for cleaning and drying a substrate in order to restrain formation of minute defects on a substrate surface when the substrate is dried by supplying the vapor of an organic solvent such as IPA. The method comprises the steps of: rinsing a surface of the substrate in a rising bath with pure water after wet processing of the substrate surface with liquid chemicals; lifting the substrate from the rinsing bath at a speed determined in advance by making a substrate surface hydrophobic, after rinsing the substrate; and removing moisture from the substrate surface by supplying an organic solvent to the substrate for a specified time, after lifting the substrate, the organic solvent being water soluble and lowering surface tension of the pure water.
    Type: Application
    Filed: July 27, 2007
    Publication date: March 6, 2008
    Inventors: Takayuki Yanase, Yasuyuki Deguchi, Takeshi Uragami, Akihiko Komori