An ink-jet printhead having a thin film substrate, the substrate including a plurality of thin film layers including a gold thin film layer overlying a tantalum thin film layer, an underlying passivation layer and an aluminum thin film layer underlying the passivation layer. A portion of the substrate...http://www.google.de/patents/US6260952?utm_source=gb-gplus-sharePatent US6260952 - Apparatus and method for routing power and ground lines in a ink-jet printhead
