Patent ID: 9211709
Filing Date: 2015-12-15
Classification: B41J

Abstract:
1. A liquid droplet jetting apparatus configured to jet liquid droplets of a liquid, comprising: a channel structure in which a liquid channel including a plurality of nozzles is formed; an energy applying device which is configured to apply jetting energy for jetting the liquid droplets from the nozzles to the liquid in the liquid channel, and includes a plurality of first contact points disposed on a surface of the energy applying device; a wiring board arranged to face the surface of the energy applying device and connected to the energy applying device, including: a sealing material arranged, between the wiring board and the energy applying device, to surround at least a part of an area, of the wiring board, in which the first contact points and the second contact points are arranged; and a recess-protrusion portion formed in an area, of the wiring board, which is positioned between the sealing material and the second contact points and which includes at least one of a recessed portion and a protrusion portion; wherein the recess-protrusion portion is formed at least in part by a dummy wiring line which is not electrically connected to the second contact points and which protrudes toward the energy applying device; wherein the second contact points form a contact point array arranged in a first direction; and wherein the dummy wiring line includes: