Filaments used in HF CVD
These are SEM photos of three types of metal filament used for hot filament CVD of diamond. They have been growing diamond in a 1%CH4/H2 atmosphere for about 4 hours.
These are SEM photos of three types of metal filament used for hot filament CVD of diamond. They have been growing diamond in a 1%CH4/H2 atmosphere for about 4 hours.