Structured surface with peak-shaped elements

摘要

Structured surface, having a support layer and, connected electrically to it, peak-shaped elements each peak-shaped element exhibiting a cylindrical or conical shaped stem region adjacent to the support layer and at least two, preferably 2 to 4 peaks at the free end of the stem region. The structured surface is suitable in particular as electron emission source for ultra-flat image screens, for electron lithography or for scanning or transmission microscopy.