A process and apparatus for the production of an orientation layer on a plane surface of a plate, and a liquid crystal substrate plate produced thereby. By the process of evaporation from a source, orientation layers are deposited on the plane surfaces of a plurality of liquid crystal substrate plates...http://www.google.com.au/patents/US4705359?utm_source=gb-gplus-sharePatent US4705359 - Process and apparatus for the production of an orientation layer on a plane surface of a plate, and liquid crystal substrate plate produced thereby
