Ink jet printer head, its manufacturing method and ink

摘要

PCT No. PCT/JP97/00088 Sec. 371 Date Sep. 3, 1997 Sec. 102(e) Date Sep. 3, 1997 PCT Filed Jan. 17, 1997 PCT Pub. No. WO97/27059 PCT Pub. Date Jul. 31, 1997In an ink jet printer head which ejects ink drops from a nozzle (11) formed on the surface of the nozzle plate (1), wherein a metal layer (13) and a sulfur compound layer (14) are formed on the surface of the nozzle. Gold atoms of the metal layer (13) and sulfur atoms of the sulfur compound layer (14) are bonded covalently and form a water repellant thin film. Since ink does not remain on the nozzle surface, problems such as ink drops being pulled by residue ink and the ejection direction of ink drops being bent are eliminated.