An inkjet head provided with a plurality of pressure chambers includes an actuator unit for the plurality of pressure chambers. The actuator unit includes a plurality of inactive layers and at least one active layer, both made of piezoelectric material. The plurality of inactive layers are arranged on...http://www.google.fr/patents/US20030103117?utm_source=gb-gplus-shareBrevet US20030103117 - Inkjet head for inkjet printing apparatus
Numéro de demande: 10/305,947 Numéro de publication: US 2003/0103117 A1 Date de dépôt: 29 nov. 2002 Brevet délivré: US6783214 ( Date de délivrance 31 août 2004)
