A method for producing a nozzle rim for a printer involves depositing a first sacrificial layer upon a substrate and then removing portions of the sacrificial layer so as to form a blank. A nozzle layer is then deposited over the surface of the blank. Subsequently, the nozzle layer and sacrificial layer...http://www.google.de/patents/US6974206?utm_source=gb-gplus-sharePatent US6974206 - Method for producing a nozzle rim for a printer
