Process for producing a carbon nanotube aggregate, the carbon nanotube aggregate, the catalyst particle dispersed film, the electron-emitting devices, and field emission displays

A method of manufacturing a carbon nanotube aggregate of controlling the growth density of the carbon nanotubes on the substrate, the catalyst particle dispersed film including a catalyst particle dispersed film in which the metal catalyst particles having a predetermined particle diameter are dispersed in disorder particles preparing a forming substrate, as a base point of the metal catalyst particles by thermal decomposition of an organic compound vapor and a thermal CVD step for growing carbon nanotubes, the method of manufacturing the carbon nanotube aggregate.