Patents Assigned to Ralf Stein
  • Patent number: 8227052
    Abstract: The invention relates to a method for plasma-assisted chemical vapour deposition for coating or material removal on the inner wall of a hollow body (42). The method involves introducing a gas lance (44) into the hollow body (42) and forming a cavity plasma (45) to form a plasma cloud arranged at the tip of the gas lance by applying an electric radio-frequency field to an RF electrode (41).
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: July 24, 2012
    Assignee: Ralf Stein
    Inventor: Oliver Nöll
  • Publication number: 20090280276
    Abstract: The invention relates to a method for plasma-assisted chemical vapour deposition for coating or material removal on the inner wall of a hollow body (42). The method involves introducing a gas lance (44) into the hollow body (42) and forming a cavity plasma (45) to form a plasma cloud arranged at the tip of the gas lance by applying an electric radio-frequency field to an RF electrode (41).
    Type: Application
    Filed: July 11, 2007
    Publication date: November 12, 2009
    Applicant: Ralf Stein
    Inventor: Oliver Nöll