Patent ID: 6582780
Filing Date: 2003-06-24
Classification: C23C

Abstract:
A hot filament CVD reactor comprising:a hot filament array; a substrate holder for holding a substrate substantially parallel to said hot filament array and within a gas path; a substrate heater connected to said substrate holder downstream from said substrate within said gas path; a substrate cooler functionally connected to said substrate heater and said substrate holder and positioned downstream of said substrate within said gas path; a rotating axle functionally connected to said substrate cooler, said substrate heater and said substrate holder, said axle slidably connected to a wall of said reactor for lateral movement of said substrate cooler, said substrate heater and said substrate holder; and a moving apparatus connected to said axle and adapted to rotate said substrate cooler, said substrate heater and said substrate holder continually 180 degrees back and forth during a coating process to ensure a uniform distribution of a CVD coating on the surface of the substrate.