A microporous coating or structure and a process for producing it

摘要

A microporous coating or structure is established as a thin metallic layer by deposition of one or more alloys on a metallic substrate, each of said alloys consisting of two or more phases, one of which can be selectively dissolved in a solution that will not significantly attack the other phase or phases. Such microporous coatings or structures are useful in the production of various product types, such as fuel cells, catalysts, microfilters, heat exchangers, micro-components and heat transfer devices.