Patent ID: 8393718

Claim:
An inkjet head comprising: an ink tank plate that includes a nozzle configured to discharge a liquid and a first and a second ink tank of which a portion is formed by a vibrating plate provided with an electromechanical transducer; a drive circuit member connected to the electromechanical transducer through a wiring member to apply a voltage to the electromechanical transducer so as to generate a pressure in the first and second ink tanks to discharge a liquid from the nozzle; a liquid supply plate stacked approximately in parallel with the drive circuit member on the ink tank plate to guide a liquid to the first and second ink tanks; and a sealing material that hermetically seals an electrical connection between at least the drive circuit member and the wiring member, wherein the liquid supply plate is configured to be bonded to the ink tank plate so as to be flush with an upper surface of the ink tank plate where the drive circuit member is mounted, and the liquid supply plate includes a concave portion being formed in a location corresponding to the electromechanical transducer in the ink tank plate side, and the electromechanical transducer is received by the concave portion, wherein the liquid supply plate further includes a receptacle hole formed between the first and second ink tanks, and the drive circuit member is arranged inside the receptacle hole, and wherein the drive circuit member has a thickness smaller than the thickness of the liquid supply plate.