Method of fabricating thinned free-standing metallic hydrogen-selective palladium-bearing membranes and novel pin-hole-free membranes formed thereby
AssigneeWalter Juda Associates, Inc.
InventorsWalter Juda, Charles W. Krueger, R. Todd Bombard
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Abstract
A new method of creating thin free-standing pin hole-free hydrogen-selective palladium-bearing membranes that comprises thinning cold-rolled membranes by chemical etching or electrochemically electrolyzing of at least one membrane surface, and novel membranes produced thereby and including membranes with selected portions only thereof so thinned.
Claims9
The method of fabricating a flat, substantially pin hole-free, hydrogen-selective palladium-bearing metal sheet membrane, comprising the steps of annealing said membrane, removing substantially uniformly from at least a portion of one surface thereof a sufficient amount of said metal to produce a significantly thinned but still free-standing, substantially pin hole-free foil membrane, said removing being done by one of chemical and anodic electrochemical dissolution and the further step of reactivating said membrane.
Dependencies are inferred from the claim text.