A method for forming a thin film multi-layer structure member having at least one of at least one kind of a semiconductor thin film controlled in valence electron and a semiconductor thin film regulated in band gap comprises the step of forming at least one layer of the semiconductor thin films on a...http://www.google.de/patents/US4868014?utm_source=gb-gplus-sharePatent US4868014 - Method for forming thin film multi-layer structure member
