Patent ID: 7699438
Filing Date: 2010-04-20
Classification: B41J,H05K

Abstract:
1. An inkjet head comprising: a piezoelectric element with a plurality of connecting terminal sections for producing pressure to eject an ink; a wiring board having an insulating film, a plurality of wires provided on the insulating film, and land sections connected to the wires; and electrically conductive brazing filler metals for connecting the terminal sections of the piezoelectric element and the land sections of the wiring board respectively, wherein the wires and the land sections are provided on both surfaces of the insulating film, and the piezoelectric element is connected to the land section on one surface of the insulating film through the electrically conductive brazing filler metal, the land section provided on the one surface is connected to the wire through a connection section thinner than the land section and the wire connected to the land section, the wire provided on the one surface has a width wider than a width of the wire provided on a other surface of the insulating film, and one or a plurality of the wires on the other surface are provided to face the wire on the one surface with the insulating film therebetween.