Optical elements are made using micro-jet printing methods to precisely control the type, position and amount of polymer deposited onto a substrate. In preferred embodiments, the proportions of two or more different polymer compositions are varied over the course of the deposition process to deposit...http://www.google.de/patents/US20080254210?utm_source=gb-gplus-sharePatent US20080254210 - OPTICAL ELEMENTS AND METHODS FOR MAKING THEREOF
