Patent ID: 8807078
Filing Date: 2014-08-19
Classification: C03B,C23C,H01J,Y02P

Abstract:
1. A plasma microwave resonant cavity, comprising: a resonant cavity housing; and a waveguide device connected to the resonant cavity housing, wherein coaxial through-holes are defined on two ends of the resonant cavity housing along an axial direction of the resonant cavity; wherein a glass inner liner is disposed via the through-holes at the two ends and penetrates the body of the resonant cavity and the through-holes at the two ends, wherein the glass inner liner comprises a glass cylinder and a glass stop ring disposed at two ends of the glass cylinder; wherein an external thread is provided at one or two ends of the glass cylinder, and wherein the glass stop ring is connected to an end of the glass cylinder through a screw hole disposed therein.