A novel method of producing an improved thin hydrogen-selective palladium-alloy membrane, through solid-solid interdiffusion of thin films or layers of palladium and a palladium-enhancing metal, such as copper, subjected in the presence of a reducing agent, such as hydrogen, to an elevated temperature...http://www.google.de/patents/US6238465?utm_source=gb-gplus-sharePatent US6238465 - Method of producing thin palladium-copper and the like, palladium alloy membranes by solid-solid metallic interdiffusion, and improved membrane