Patent ID: 6148762
Filing Date: 2000-11-21
Classification: C23C,H01L,Y10S

Abstract:
A plasma processing apparatus, comprising:a susceptor pin for supporting a substance to be processed, said susceptor pin being disposed to pass through a hole formed to a susceptor, projecting from the upper surface of the susceptor when the susceptor falls and falling by its own weight when the susceptor rises so as to be buried in the hole said susceptor pin comprising a pin main body and a shaft engaged with the pin main body so that the shaft can be adjusted to freely expand and contract;an expanded diameter portion formed to said shaft by expanding a part of said shaft, said guide comprised of an upper guide and a lower guide detachably attached to the upper guide, and a stopper disposed to the lower guide so that the stopper is abutted against and supports said shaft when said susceptor pin falls; anda guide for guiding the rising and falling directions of said susceptor pin,wherein said susceptor pin and said guide are composed of ceramics.