Patent ID: 6337003
Filing Date: 2002-01-08
Classification: B01J,C23C,G11B

Abstract:
A vacuum apparatus comprising:a transport chamber having an air-tight space for transporting an object to be treated having a first and a second openings formed in a wall forming said transport chamber, a treating chamber having an airtight space which communicates with said transport chamber through said first opening, a transport mechanism provided in said transport chamber for transporting a susceptor on which an object to be treated is placed between said first and second opening, and a drive mechanism for a vacuum apparatus provided on said transport mechanism for driving said susceptor so as to open and close airtight said first and second opening, said drive mechanism for a vacuum apparatus further comprising: an air bag stored in said container, a means for supplying a pressurized gas in said air bag, wherein a part of said air bag is projected from said open end of the air bag container by supplying said air bag with a pressurized gas by said pressurized gas supply means, thereby moving said susceptor to said first or second opening to close it airtight.