Patent ID: 6355109
Filing Date: 2002-03-12
Classification: C23C,H01J

Abstract:
A vacuum processing apparatus for applying a designated process to an object to be processed in a vacuum atmosphere, said apparatus comprising:a processing vessel for applying the designated process to the object introduced thereinto; a susceptor located in the processing vessel for mounting the object thereon; a toroidal shaped vacuum pump including a motor therein for sucking exhaust gas from the processing vessel to form a vacuum in the vessel, the toroidal shaped vacuum pump being arranged below the processing vessel and being coaxial with the susceptor, the toroidal shaped vacuum pump defining a column-shaped space that is surrounded by the vacuum pump and that is located below the susceptor, and a driving mechanism for moving the susceptor up and down, the driving mechanism being arranged below the susceptor and received within the column-shaped space surrounded by the toroidal vacuum pump.