Patent ID: 7960277

Claim:
A method of manufacturing an electronic device, comprising: forming a conductive pattern over a first insulating film, the first insulating film being formed over a substrate; forming a second insulating film to cover the first insulating film and the conductive pattern; forming a hole in the second insulating film over the conductive pattern; forming a supporting film for supporting a catalyst over a bottom surface of the hole and an upper surface of the second insulating film; forming a catalyst element on an upper surface of the supporting film, the catalyst element being made of at least one of catalyst particles and a catalyst film; growing carbon element cylindrical structures on the catalyst element; forming a buried insulating film in a clearance among the carbon element cylindrical structures and over the second insulating film, and in the hole; and polishing the carbon element cylindrical structures, the buried insulating film, and the supporting film to remove the carbon element cylindrical structures, the buried insulating film, and the supporting film over an upper surface of the second insulating film and to leave the buried insulating film and the carbon element cylindrical structures in the hole as a via.