Patent ID: 6527908
Filing Date: 2003-03-04
Classification: C23C,H01J

Abstract:
A plasma process apparatus, comprising:a processing chamber having an internal wall surface for internally performing processing using plasma; a shower plate serving as-a microwave radiating member having one wall surface facing an interior of said processing chamber and other wall surface that is located opposite to the one wall surface and that faces the internal wall surface of said processing chamber, being disposed such that at least a space is formed between the other wall surface and a portion of the internal wall surface of said processing chamber; and reactive gas supply means for supplying into said processing chamber a reactive gas caused to attain a plasma state by said microwaves, wherein said reactive gas supply means includes a reactive gas supply passage having the space formed between the other wall surface of said microwave radiating member and a portion of the internal wall surface of said processing chamber, said plasma process apparatus further comprising: a microwave transmission preventing member disposed on a region between said reactive gas supply passage and the other wall surface of said microwave radiating member, said microwave radiating member propagating and radiating microwaves within said processing chamber other than within said gas supply passage.