Patent ID: 6039511
Filing Date: 2000-03-21
Classification: C23C,F04C,H01L

Abstract:
An apparatus for carrying spherical objects comprising:a housing;a cylindrical rotor arranged in the housing, including a plurality of recess grooves which are open to the outer circumferential surface, the plurality of recess grooves being arranged radially from the center of the rotor;a guide ring arranged in the housing, the guide ring including an inner hole, the section of which is elliptical, in which the cylindrical rotor is accommodated;a plurality of vanes slidably arranged in each recess groove so that a forward end portion of each of the vanes can be contacted with an inner wall of the inner hole;a first carrier atmosphere feeding pipe connected with a converting section of the guide ring in which the inner hole is changed from a small diameter section to a large diameter section;a first carrier atmosphere discharging pipe connected with a converting section of the guide ring in which the inner hole is changed from a large diameter section to a small diameter section;a second carrier atmosphere feeding pipe connected with a converting section of the guide ring in which the inner hole is changed from a small diameter section to a large diameter section; anda second carrier atmosphere discharging pipe connected with a converting section of the guide ring in which the inner hole is changed from a large diameter section to a small diameter section.