Lithographic printing plates suitable for imaging by means of laser devices that emit in the near-infrared region. Laser output either ablates one or more plate layers or physically transforms a surface layer, in either case resulting in an imagewise pattern of features on the plate. The image features...http://www.google.es/patents/US5487338?utm_source=gb-gplus-sharePatente US5487338 - Lithographic printing plates for use with laser-discharge imaging apparatus
Lithographic printing plates for use with laser-discharge imaging apparatus
