Patent ID: 6358324
Filing Date: 2002-03-19
Classification: C23C,H01J

Abstract:
A microwave plasma processing apparatus, comprising:a process chamber in which an object to be processed is subjected to plasma processing under a predetermined negative pressure environment; a susceptor provided in the process chamber, the susceptor being configured to hold the object thereon; a susceptor moving member connected to the susceptor; a first bellows provided at a bottom of the process chamber off-center therefrom, the first bellows being connected to the susceptor moving member so as to allow a vertical movement of the susceptor moving member while providing a hermetic seal to the process chamber to maintain the predetermined negative pressure environment in the process chamber; a susceptor moving mechanism provided outside the process chamber, the susceptor moving mechanism being operable to move the susceptor moving member in the vertical direction within the process chamber; and a vacuum pump communicated with the process chamber via an inlet opening at a bottom of the process chamber and at a center portion thereof.