430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF |
269 | DF | IMAGING AFFECTING PHYSICAL PROPERTY OF RADIATION SENSITIVE MATERIAL, OR PRODUCING NONPLANAR OR PRINTING SURFACE - PROCESS, COMPOSITION, OR PRODUCT {17} |
270.1 | DF | .~ Radiation sensitive composition or product or process of making {5} |
270.11 | DF | .~.~ Optical recording nonstructural layered product having a radiation sensitive composition layer claimed or solely disclosed as optically reorderable and optically machine readable {2} |
270.12 | .~.~.~ Having read-write layer of 100 per cent inorganic composition {1} | |
270.13 | DF | .~.~.~.~> Which changes phase during recording |