Patent ID: 6278231
Filing Date: 2001-08-21
Classification: B81C,B82Y,G11B,G11C,H01F,H01J,Y10S

Abstract:
A nanostructure comprising:a substrate having a surface containing at least one material selected from the group consisting of semiconductors, noble metals, Mn, Fe, Co, Ni, Cu and carbon; andan anodized film disposed on the surface of said substrate, said anodized film having a nanohole,wherein said nanohole passes through said anodized film from the surface of said anodized film to the surface of said substrate, and said nanohole has a first diameter at the surface of said anodized film, and a second diameter at the surface of said substrate, and wherein said nanohole has a constriction at a location between the surface of said anodized film and the surface of said substrate, said constriction having a diameter smaller than said first and second diameters.