Patent ID: 8047158
Filing Date: 2011-11-01
Classification: C23C,H01J

Abstract:
1. A substrate processing apparatus, comprising: a reaction tube having an inner wall which forms a reaction chamber which is to accommodate stacked substrates; a buffer chamber having a buffer chamber hole which is adjacent to the substrates, the buffer chamber being provided in an arc space between substrates and the inner wall of the reaction tube along the stacking direction of the substrates and being disposed on the inner wall of said reaction tube; a first gas introducing section having a first gas supply hole, the first gas introducing section being provided in the buffer chamber; a second gas introducing section having a second gas supply hole, the second gas introducing section being provided in the arc space between substrates and the inner wall of the reaction tube along the stacking direction of the substrates and being disposed on the inner wall of the reaction tube; and electrodes, disposed in said buffer chamber, to generate plasma which is to activate a first substrate processing gas, wherein said first gas introducing section supplies said first processing gas into said buffer chamber via said first gas supply hole, said buffer chamber forms a space therein to activate said first processing gas by said electrodes and supplies said activated first processing gas via said buffer chamber hole into said reaction chamber, and said second gas introducing section supplies a second processing gas, which is not activated and different from said first processing gas, directly into said reaction chamber via said second gas supply hole.