FLUID JETTING HEAD, FLUID JETTING DEVICE, AND FLUID JETTING HEAD MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To prevent a fluid flow path provided in a fluid jetting head from being closed with adhesive. SOLUTION: In the fluid jetting head, a first substrate 30 provided with a nozzle opening from which fluid is jetted and part of the fluid flow path 55 communicated with the nozzle opening and a second substrate 20 provided with the remainder of the fluid flow path 55 are joined to each other via the adhesive 80. At least one of the first substrate 30 and the second substrate 20 has a defense portion 90 for damming the flow of the adhesive 80. COPYRIGHT: (C)2009,JPO&INPIT