An ink jet tip assembly in which the individual jets are comprised of a piezoelectric cylinder having a longitudinally through bore, a glass ink nozzle disposed in the cylinder bore and a low melting temperature alloy interposed between the bore and the nozzle for anchoring the nozzle to the piezoelectric...http://www.google.com/patents/US4308546?utm_source=gb-gplus-sharePatent US4308546 - Ink jet tip assembly
