A printing plate for use in lithographic printing has a thermally responsive recording material. A plate is fabricated with a photosensitive emulsion affixed to an upper surface of an aluminum substrate. The plate is first chemically processed so that it is capable of accepting ink (i.e., oleophilic)....http://www.google.es/patents/US5934197?utm_source=gb-gplus-sharePatente US5934197 - Lithographic printing plate and method for manufacturing the same
Lithographic printing plate and method for manufacturing the same
