Patent ID: 8007650

Claim:
A process for manufacturing a metal nanotube comprising: a step for providing a film having a penetrated hole; a step for forming a cathode having a thickness of 10 to 80 nm and a pinhole on one surface of the film, wherein the pinhole is formed on the penetrated hole, and the cathode is exposed on the bottom of the penetrated hole; a step for contacting the surface of the cathode with a container disposed over and blocking the bottom of the penetrated hole; a step for filling an electrolyte solution containing metal ions between the cathode and an anode; a step for applying a voltage to the electrolyte solution to electrochemically precipitate a metal on the inner surface of the penetrated hole and generate gas in the pinhole and the penetrated hole; and a step for immersing the film in a solvent to remove the film, to give a metal nanotube.