A process for forming an image is disclosed wherein a photo-sensitive material composed of a support and a layer of a photo-sensitive composition containing a diazonium compound, an o-quinonediazide compound or an aromatic azide is exposed and developed by heating in intimate contact with a peeling development...http://www.google.com/patents/US4334006?utm_source=gb-gplus-sharePatent US4334006 - Peel-apart process for forming relief images