| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid jetting head suppressing the occurrence of separation and cracks, irrespective of temperature environment. SOLUTION: The liquid jetting head is provided with a flow channel forming substrate 201 wherein a pressure generating chamber 203 is formed, a plurality of liquid jetting head main bodies 200 each provided with a nozzle plate 208 wherein a plurality of nozzles 207 for discharging the liquid in the pressure generating chamber 203 driven by a piezoelectric element 212 are formed, a fixing plate 300 bonded to the nozzle plate 208 and fixing the plurality of liquid jetting head main bodies 200, and a head case 222 covering the plurality of liquid jetting head main bodies 200. A reinforcing member 500 which suppresses the deformation of the liquid jetting head main bodies 200 caused by heat is fixed over the fixing plate 300 and the head case 222, suppressing the occurrence of separation and cracks irrespective of temperature environment, even if the liquid jetting head main bodies 200 are composed of laminated and bonded members of materials different in the coefficient of linear expansion. COPYRIGHT: (C)2007,JPO&INPIT
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