A pyroelectric film has a pattern of interconnected electrodes formed on one major surface, and a pattern of discrete electrodes and electrically conductive patches formed on the other major surface. The film 21 is supported by pillars connected to the patches, the pillars also producing a path for electrical...http://www.google.fr/patents/US4996428?utm_source=gb-gplus-shareBrevet US4996428 - Thermal imaging device
