FLAECHIGER METALLGEGENSTAND, VERFAHREN ZU SEINER HERSTELLUNG SOWIE KATALYSATOR AUS DIESEM METALLGEGENSTAND

摘要

An article having an aluminum substrate, an unsealed, porous anodic oxide layer thereon and electrolytically deposited, randomly distributed discrete metal islands having a root portion anchored in one or more pores of the oxide layer. The metal islands extend from the root portion above the surface of the oxide layer in a bulbous, undercut configuration.